Battery Management
T H E
W O R L D
L E A D E R
D S P
I N
Order your free
copy of the
AN ANALOG AND
MIXED-SIGNAL
new
PRODUCT BULLETIN
‘Power
Management
Selection
Guide’
(see back cover or reply card for details)
3Q 2000
A N A L O G
A N D
focus on:
Battery Management
Charge Management
2
➤ Programmable, multi-chemistry
charge management IC
➤ Linear Li-Ion/Li-Polymer with
integrated power FET
3
➤ Linear Li-Ion/Li-Polymer charge
4
➤ Cost-effective, fast-charge-
management IC
➤ Li-Ion charge management IC with
switch-mode controller
management IC for NiCd/NiMH
➤ Fast-charge-management IC with
Gas gauges and
battery monitors
for accurate capacity
monitoring
Page
switch-mode controller
5
➤ Dual NiCd/NiMH fast-charge
Battery Monitoring
6
➤ Precision battery monitoring IC
➤ Flash-based precision battery
monitoring IC
Gas Gauging
7
➤ Smart battery system (SBS)
v1.1-compatible gas gauge IC
➤ SBS v1.1 Li-Ion gas gauge IC with
protector interface
8
9
➤ Primary lithium gas gauge IC
➤ Lithium-Ion gas gauge IC with single
Charge current/Regulation voltage
management IC
➤ Linear sealed-lead-acid chargemanagement IC
Gas Gauge
Li-Ion
Li-Polymer
NiMH
NiCd
6
Voltage
2
1
Proper voltage
regulation point
maximizes charge
2
Low regulation
point reduces
charge
Expected
end of
charge
Increased
capacity
50%
F
Battery
state-of-charge
1
Current
E
Charge
management ICs
minimize charge time,
maximize charge
capacity
Page
2
Time
wire HDQ interface
➤ Nickel-chemistry gas gauge with
single-wire HDQ interface
➤ Gas gauge for high discharge
rate applications
B a t t e r y P ro t e c t i o n
10
➤ Industry’s smallest single-cell
11
➤ Battery protection IC for three or
battery protection solution
➤ Battery protection IC for two
Li-Ion cells
four Li-Ion cells
Lithium-Ion protectors
integrate MOSFETs
for industry’s
Page
smallest solution
Resources
11
14
4.55 mm
0.8
mm
3.4
mm
10
UCC3952A
Actual size
➤ Selection guides and
application reports
➤ Evaluation modules
Includes
Benchmarq Products
from Texas Instruments
R e a d S i n e O n o n l i n e at w w w. t i . c o m / s c / s i n e o n
Benchmarq Products
from Texas Instruments
■ BATTERY MANAGEMENT SINE ON
TEXAS INSTRUMENTS
3Q 2000
2
Charge Management
Programmable, multi-chemistry
charge management IC
Linear Li-Ion/Li-Polymer charge management IC with integrated Power FET
bq2000
bq2400x
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/device.html
Replace device with bq2000 or bq2000t
Get samples, EVMs and datasheets at:
www.ti.com/sc/docs/products/analog/device.html
Replace device with bq24001, bq24002, bq24003, bq24004,
bq24005 or bq24006
E VA L U AT I O N
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➤ Safe management of fast-charge for NiCd, NiMH or LiIon/Li-Pol battery packs
➤ Integrated high-frequency, switching controller for
efficient and simple charger design
➤ Pre-charge qualification for detecting shorted, damaged
or overheated cells
➤ Fast-charge termination by peak voltage (bq2000), rate
of temperature rise (∆T/∆t) (bq2000T), minimum current
(Li-Ion), maximum temperature and maximum charge
time
➤ Selectable top-off mode for achieving maximum capacity
in NiMH batteries
➤ Programmable trickle-charge mode for reviving deeply
discharged batteries and for post-charge maintenance
➤ Built-in battery removal and insertion detection
➤ Sleep mode for low power consumption
➤ Packaging: 8-pin TSSOP, SOIC and DIP
➤ Pricing starts at $1.87 each in quantities of 1,000
➤ Highly-integrated solution with FET pass-transistor and
reverse-blocking Schottky diode and thermal shutdown
➤ Ideal for linear charger designs using one- or two-cell
Li-Ion battery packs with coke or graphite anodes
➤ Meets USB power specifications: charge current can be
supplied from either USB hub or wall adapter
➤ Up to 1.2-A continuous charge current with low-dropout
voltage (0.7 V max)
➤ Safety charge timer during pre-conditioning and fast
charge
➤ Integrated voltage and current regulation with programmable charge current
➤ Various charge status output options for driving a single
LED, bi-color LED, two LEDs or host processor interface
➤ Low-power sleep mode (1 µA)
➤ Packaging: 20-pin TSSOP PowerPAD™
➤ Pricing starts at $1.89 in quantities of 1,000
Switch-mode, multi-chemistry charger
Linear Li-Ion/Li-Polymer charger
Current sense
DC+
DC +
Out
In
VSENSE
ISNS
Timer-program
input
RC
MOD
BAT
bq2000
bq2000T
SNS
Voltage sense
and chemistry
select
Current sense
TS
Thermistor
Safety timer
selection
TMR SEL
Voltage regulation
selection
VSEL
Charge
enable
Voltage
sense
Thermistor
APG / therm
EN
Temperature sense
STAT 1 STAT 2
LED
Temperature sense
LED
display
➤ Applications include:
• Cellular telephones
• Desktop chargers
• Notebook PCs
• Internet audio players
• Personal digital assistants (PDAs)
LED
Display
➤ Applications include
• Cellular telephones
• PDAs
• Pagers
• Consumer electronics: digital cameras, MP3 players
For technical support and ordering literature, see page 15.
Benchmarq Products
from Texas Instruments
SINE ON BATTERY MANAGEMENT ■
3Q 2000
TEXAS INSTRUMENTS
Charge Management
Advanced linear Li-Ion/Li-Polymer
charge management IC
Advanced Li-Ion charge management
IC with switch-mode controller
bq2057
bq2954
Get samples, EVMs and datasheets at:
www.ti.com/sc/docs/products/analog/device.html
Replace device with bq2057, bq2057c, bq2057t, or bq2057tw
Get samples, EVMs and datasheets at:
www.ti.com/sc/docs/products/analog/bq2954.html
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➤ Ideal for low-dropout linear charger design for
one- (bq2057/2057C) and two-cell (bq2057T/2057W)
applications
➤ Proprietary AutoComp™ feature for dynamic compensation
of battery pack’s internal impedance
➤ ±1% voltage regulation accuracy over operating
temperature and supply voltage
➤ Battery conditioning, temperature monitoring and
charge termination
➤ Sleep mode for low power consumption
➤ Charge status display shows charge in progress, charge
complete and fault conditions
➤ Packaging: 8-pin TSSOP and SOIC
➤ Pricing starts at $1.55 each in quantities of 1,000
➤ Safe management of fast-charge for Li-Ion battery packs
➤ Integrated pulse-width modulation control for current
and voltage regulation
➤ ±1% voltage regulation accuracy
➤ Fast charge terminated by user-selectable minimum
current and maximum time
➤ Pre-charge qualification detects shorted or damaged cells
while conditioning battery
➤ Charging continuously qualified by temperature and
voltage limits
➤ Advanced dual-LED charge status display with three
user-selectable modes
➤ Built-in battery removal and insertion detection
➤ Packaging: 16-pin SOIC and 16-pin DIP
➤ Pricing starts at $2.66 each in quantities of 1,000
Linear Li-Ion charger (1 cell, 4.2 volts)
Switch-mode Li-Ion charger
Current sense
DC+
DC+
Voltage sense
SNS
CC
BAT
bq2057C
Thermistor
STAT
TS
Temperature sense
MOD
Safety timer
settings
TM
Charge
termination
selection
ITERM
Display
mode
BAT
bq2954
SNS
Current sense
TS
DSEL
LED1
Thermistor
LED2
LED
display
➤ Applications include:
• Cellular telephones
• PDAs
• Digital cameras
• Pagers
• Internet audio players
• Consumer electronics
Voltage sense
Temperature sense
LED
display
➤ Applications include:
• Cellular telephones
• Desktop chargers
• Notebook and palm-top computers
• Data-collection equipment
Read Sine On online at www.ti.com/sc/sineon
3
Benchmarq Products
from Texas Instruments
■ BATTERY MANAGEMENT SINE ON
TEXAS INSTRUMENTS
3Q 2000
4
Charge Management
Cost-effective, fast-charge
management for NiCd/NiMH packs
NiCd/NiMH fast-charge-management
IC with switch-mode controller
bq2002
bq2004
Get samples, EVMs and datasheets at:
www.ti.com/sc/docs/products/analog/device.html
Replace device in URL with bq2002, bq2002e, bq2002f
or bq2002g
Get samples, EVMs and datasheets at:
www.ti.com/sc/docs/products/analog/device.html
Replace device in URL with bq2004, bq2004e or bq2004h
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➤ Safe management of fast-charge for NiCd and NiMH
battery packs
➤ Gated control of an external current source
➤ Pre-charge qualification for detecting shorted, damaged
or overheated cells
➤ Fast-charge termination by peak voltage, -∆V, rate of
temperature rise (∆T/∆t), maximum temperature and
maximum charge time*
➤ Synchronous voltage sampling for noise immunity
➤ Trickle-charge mode for reviving deeply discharged
batteries and for post-charge maintenance
➤ Sleep mode for low power consumption
➤ Packaging: 8-pin SOIC and DIP
➤ Pricing starts at $1.40 each in quantities of 1,000
*Varies by model. Check individual datasheets for details.
➤ Safe management of fast-charge for NiCd and NiMH
battery packs
➤ Hysteretic PWM switch-mode current regulation for
high-efficiency charger design
➤ Pre-charge qualification of temperature and voltage
➤ Fast-charge termination by peak voltage, -∆V, rate of
temperature rise (∆T/∆t), maximum temperature and
maximum charge time
➤ Advanced dual-LED charge status display with three
user-selectable modes
➤ Trickle-charge mode for reviving deeply discharged
batteries and for post-charge maintenance
➤ Discharge-before-charge option for conditioning NiCd
batteries
➤ Packaging: 16-pin SOIC and DIP
➤ Pricing starts at $2.33 each in quantities of 1,000
Switch-mode NiCd/NiMH charger
NiCd/NiMH charger
Charge
DC+
Constant
current
source
Optional
discharge
Voltage
sense
CC
Discharge-before
charge command
BAT
Safety
timer
settings
Charge
inhibit
TM
Safety timer
setting
Temperature
sense
bq2002
TS
INH
MOD
DCMD
TM1, 2
Charge termination
selection
VSEL
Display mode
DSEL
DIS
Voltage
sense
BAT
bq2004
SNS
LED1
LED2
TS
Temperature
sense
Thermistor
LED
Temperature
sense
Thermistor
LED display
LED display
➤ Applications include:
• Power tools
• Digital cameras
• Internet audio players
• PDAs
• Cellular telephones
• Consumer electronics
Current sense
➤ Applications include:
• Desktop chargers
• Power tools
• Notebook and palm-top computers
• Portable medical equipment
• Two-way radios
• Consumer electronics
For technical support and ordering literature, see page 15.
Benchmarq Products
from Texas Instruments
SINE ON BATTERY MANAGEMENT ■
3Q 2000
TEXAS INSTRUMENTS
5
Charge Management
Dual NiCd/NiMH fast-charge management IC with switch-mode controller
Linear sealed-lead-acid,
charge management IC
bq2005
UC3906
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/bq2005.html
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/uc3906.html
ODUC
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➤ Sequential safe management of fast-charge for two NiCd
or NiMH battery packs
➤ Hysteretic PWM switch-mode current regulation for
high-efficiency charger design
➤ Pre-charge qualification of temperature and voltage
➤ Fast-charge termination by –∆V, rate of temperature rise
(∆T/∆t), maximum temperature and maximum charge
time
➤ Dedicated LED charge status display for each pack
➤ Trickle-charge mode for reviving deeply discharged
batteries and for post-charge maintenance
➤ Discharge-before-charge option for conditioning NiCd
batteries
➤ Packaging: 20-pin SOIC and DIP
➤ Pricing starts at $2.46 each in quantities of 1,000
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➤ Two user-selectable charge algorithms
➤ Temperature-compensated internal reference tracks battery’s requirements for optimum charge
➤ Charge-complete indication
➤ Advanced three-LED charge status display with three
user-selectable modes
➤ Precision voltage reference tracks battery requirements
over a range of temperatures
➤ Under-voltage lockout (UVLO) increases system reliability
➤ Differential current sense inputs
➤ Available in industrial temperature range
➤ Low standby current
➤ Packaging: 16-pin SOIC or DIP
➤ Pricing starts at $3.17 each in quantities of 1,000
Linear sealed-lead-acid charger
Dual NiCd/NiMH charger
VIN
RS
DC+
Charge
Pack select
Driver
Pack select
VSENSE
ILIM
MODA
Discharge control
command
DCMD
Safety timer
setting
TM1,2
Temperature
threshold
Charge termination
selection
MODB
BATA
SNSA
bq2005
BATB
SNSB
DVEN
CHA
FCCA
CHB
FCCB
VIN
Current sense
TSA
TCO
UC3906
Voltage
sense
Temperature sense
Voltage
sense
TSB
Current sense
Thermistor
LED
display
➤ Applications include:
• Desktop chargers
• Power tools
• Dual-bay chargers
STATE
GND
Thermistor
Temperature
sense
➤ Applications include:
• UPS systems
• Emergency lighting systems
• Fire and burglar alarm systems
• Portable tools and instruments
• Computer backup systems
• Cordless phones
• Access-control devices
Read Sine On online at www.ti.com/sc/sineon
Benchmarq Products
from Texas Instruments
■ BATTERY MANAGEMENT SINE ON
TEXAS INSTRUMENTS
3Q 2000
6
Battery Monitoring
Precision battery monitoring IC
Flash-based precision battery
monitoring IC
bq2018
bq2019
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/bq2018.html
Get samples, EVMs and datasheets at:
www.ti.com/sc/docs/products/analog/bq2019.html
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➤ Allows host to accurately track remaining capacity of
battery packs
➤ Communicates battery information to host controller using
a single-wire interface
➤ Internal offset error-calculation for maximum measurement accuracy
➤ Resolves signals less than 12.5 µV
➤ 128 bytes of NVRAM
➤ Low power: operating current <80 µA, sleep current
<10 µA, data-retention current <50 nA
➤ Internal timebase and temperature sensor for minimum
component count
➤ Packaging: 8-pin TSSOP or narrow SOIC
➤ Pricing starts at $2.00 each in quantities of 1,000
bq2018 single-cell application
VCC
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➤ Allows host to accurately track remaining capacity of
battery packs
➤ 96 bytes of Flash memory to store critical battery
parameters
➤ 8 bytes of ID ROM provide a unique system identification
code
➤ Offset error correction automatically applies to charge and
discharge counting for maximum measurement accuracy
➤ Resolves signal less than 3.05 µV
➤ Internal temperature sensor with 1° C resolution
eliminates need for a thermistor in the battery pack
➤ Programmable output port provides a control signal within
the battery pack
➤ Communicates battery information to host controller using
a single-wire interface
➤ Low power: operating current <80 µA, sleep current
<1.5 µA
➤ Packaging: 8-pin TSSOP
➤ Pricing starts at $2.40 in quantities of 1,000
bq2019 measurement accuracy
bq2018
Remaining battery capacity
after 4 days of standby mode
Single wire
to host
Ω
4 days
800 mAh
Sense resistor
inputs
Sense
resistor
bq2018-to-system display interface
320 mAh
Battery pack
PACK+
BAT+
bq2018
Circuit
Battery
stack
Raw
data
HDQ
C
Program
BAT-
System display
PACKHost controller
➤ Applications include
• Cellular telephones
• PDAs
Formatted
data
Battery capacity reporting error
*ADC w/244 µV of resolution and 2 LSB of accuracy
➤ Applications include
• Cellular telephones
• PDAs
• Handheld or portable computers
For technical support and ordering literature, see page 15.
Benchmarq Products
from Texas Instruments
SINE ON BATTERY MANAGEMENT ■
3Q 2000
TEXAS INSTRUMENTS
7
Gas Gauging
Smart Battery System (SBS)
v1.1-compatible gas gauge IC
SBS v1.1 Li-Ion gas gauge IC with
protector interface
bq2060
bq2063
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/bq2060.html
Get samples, EVMs and datasheets at:
www.ti.com/sc/docs/products/analog/bq2063.html
APP
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➤ Accurately measures available capacity in Li-Ion, NiMH,
NiCd, Lithium-Ion and lead-acid batteries
➤ Supports SBS Smart Battery Data Specification v1.1
➤ Supports the two-wire SMBus v1.1 interface with PEC or
1-wire HDQ16 for communication with host
➤ Reports individual cell voltages
➤ Monitors and provides control to charge and discharge
FETs in Li-Ion protection circuit
➤ Provides 15-bit resolution for voltage, temperature and
current measurements
➤ Measures charge flow using a V-to-F converter with offset
of less than 20 µV after calibration
➤ Low operating current (180 µA typical)
➤ Drives a four- or five-segment LED display for indicating
remaining battery capacity
➤ Packaging: 28-pin, 150-mil SSOP
➤ Pricing starts at $4.32 each in quantities of 1,000
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M P L
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➤ Accurately measures available capacity in Li-Ion batteries
➤ Supports SBS Smart Battery Data Specification v1.1
➤ Directly interfaces with protector IC for maximum safety
and minimal component count
➤ Signals protector on out-of-tolerance battery conditions
including over-voltage, under-voltage, over-current,
over-temperature
➤ Provides independent safety output signal for optional
pack shutdown
➤ EEPROM programming for easy upgrade similar to bq2060
➤ Measures charge flow using a V-to-F converter with offset
less than 20 µV after calibration
➤ Low operating current (180 µA typ)
➤ Packaging: 28-pin, 150-mil SSOP
➤ Pricing starts at $4.32 in quantities of 1,000
Typical smart battery application
Pack +
Typical smart battery application
VBAT+
VBAT+
PACK+
LEOS
VCC
CVR
VCC
VCC
Charge FET control
REG
VCC
LEDs
Protector
IC
Discharge FET control
Protector
circuit
EEPROM
bq2063
Battery
cells
Protector/GG
interface
VSS
Cell 4 input
Sense resistor
Cell 3 input
EEPROM
VOUT
Clock
Data
bq2060
Sense resistor inputs
Battery
cells
Cell 2 input
Cell 1 input
SMBus to
host system
Pack-
Smart battery system (SBS)
Push button
Sense resistor inputs
SMBus to
Host system
➤ Applications include:
•
Notebook PCs
•
Medical/test equipment
•
Portable instruments
•
Handheld devices
Sense
resistor
Host system
Smart battery pack
PACK-
PACK+
SMBus
Smart
charger
➤ Applications include
• Notebook PCs
• Medical/test equipment
• Portable instruments
• Handheld devices
Read Sine On online at www.ti.com/sc/sineon
PACK-
bq2063
Circuit
Benchmarq Products
from Texas Instruments
■ BATTERY MANAGEMENT SINE ON
TEXAS INSTRUMENTS
3Q 2000
8
Gas Gauging
Primary lithium gas gauge IC
Lithium-Ion gas gauge IC
with single-wire HDQ interface
bq2052
bq2050H
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/bq2052.html
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/bq2050h.html
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➤ Accurately measures available capacity in lithium sulfur
dioxide (LiSO2) and lithium manganese dioxide (LiMnO2)
batteries
➤ Suitable for in-system or battery-pack integration
➤ Accommodates a wide range of pack capacities
(1 Ah to 15 Ah)
➤ Automatically adjusts for battery discharge inefficiencies
based on rate and temperature
➤ Low operating current (120 µA typical)
➤ Measures a wide dynamic discharge range
➤ Measures and reports battery temperature, voltage and
discharge current in addition to capacity
➤ Reports remaining capacity using two, four or five LEDs
➤ Single-wire communication interface (HDQ bus) for
reporting critical battery parameters back to the system
controller
➤ Packaging: 16-pin narrow SOIC
➤ Pricing starts at $4.20 each in quantities of 1,000
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➤ Accurate measurement of capacity in Lithium-Ion (Li-Ion)
batteries
➤ Automatic compensation for rate and temperature
➤ Provides low-cost battery management solution for pack
integration
➤ Circuit fits in 1/2 square inch of PCB
➤ Low operating current (120 µA typical)
➤ Monitors and controls charge FET in Li-Ion pack protection circuit
➤ Direct drive of five LEDs to indicate remaining battery
capacity
➤ Register-compatible with TI’s bq2014H
➤ Packaging: 16-pin, narrow SOIC
➤ Pricing starts at $4.22 each in quantities of 1,000
bq2050H-based smart battery pack
VCC
bq2052 in-system primary battery monitor
REF
bq2050H
Regulator
LEDs
PACK+
Regulator
LEDs
Battery voltage
input
VCC
REF
bq2052
Push button
LiSO2
or
LiMnO2
Battery voltage
input
Sense input
HDQ port
to host
Sense
resistor
System
load
PACK-
bq2050H enhances Li-Ion pack safety
Push Button
Sense resistor
input
Sense
resistor
Charger
Discharge
control
HDQ port
to host
PSTAT
Load
bq2050H
Charge
control
CFC
SR
➤ Applications include
• Medical/test equipment
• Communication equipment
• Military radios
• Portable instruments
VSS
RS
➤ Applications include:
• Notebook PCs
• Medical/test equipment
• Portable instruments
• Handheld devices
For technical support and ordering literature, see page 15.
Benchmarq Products
from Texas Instruments
SINE ON BATTERY MANAGEMENT ■
3Q 2000
TEXAS INSTRUMENTS
9
Gas Gauging
Nickel-chemistry gas gauge IC
with single-wire HDQ interface
Nickel/lead-acid gas gauge
for high discharge rate applications
bq2014H
bq2013H
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/bq2014h.html
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/bq2013h.html
APP
REPORT
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➤ Accurately measures available capacity in NiCd and NiMH
batteries
➤ Automatic compensation for rate and temperature
➤ Low-cost battery management solution for pack
integration
➤ Circuit fits in 1/2 square inch of PCB
➤ Low operating current (120 µA typical)
➤ Less than 100 nA of data-retention current
➤ Single-wire communication interface (HDQ bus) for
critical battery parameters
➤ Interfaces with an external charge controller, such as
the bq2004H from TI
➤ Direct drive of five LEDs to indicate remaining battery
➤ Register-compatible with TI’s bq2050H
➤ Packaging: 16-pin narrow SOIC
➤ Pricing starts at $3.98 each in quantities of 1,000
E VA L U AT I O N
D ATA
SHEETS
APP
REPORT
S
A
E
E
M P L
D ATA
SHEETS
T
A
E VA L U AT I O N
S
T
S
S
ODUC
P
R
M P L
MODULE
➤ Accurately measures available capacity in NiCd, NiMH and
lead-acid batteries
➤ Accommodates large pack capacities (>2 Ah)
➤ Automatically adjusts for battery self-discharge, chargeefficiencies and circuit-offset error
➤ Low operating current (120 µA typical)
➤ Measures a wide dynamic discharge range
➤ Accommodates a low-value sense resistor (<10 mΩ)
➤ Measures and reports battery temperature and voltage
➤ Reports remaining capacity using five LEDs
➤ Single-wire communication interface (HDQ bus) for
reporting critical battery parameters back to the system
controller
➤ Packaging: 16-pin narrow SOIC
➤ Pricing starts at $3.98 each in quantities of 1,000
bq2013H-based smart battery pack
bq2014H-based smart battery pack
Regulator
LEDs
Regulator
LEDs
PACK+
VCC
REF
REF
bq2014H
PACK+
VCC
bq2013H
Battery voltage
input
Battery voltage
input
Push button
Sense input
HDQ port
to host
Push button
Sense input
HDQ port
to host
PACK-
Sense
resistor
PACK-
➤ Applications include:
• Notebook PCs
• Medical/test equipment
• Portable instruments
• Handheld devices
Sense
resistor
➤ Applications include:
• Power-assist bicycles
• Other power-assist applications
• Medical/test equipment
• Portable instruments
Read Sine On online at www.ti.com/sc/sineon
Benchmarq Products
from Texas Instruments
10 ■ BATTERY MANAGEMENT SINE ON
TEXAS INSTRUMENTS
3Q 2000
Battery Protection
Industry’s smallest single-cell,
Li-Ion battery protection solution
Battery protection IC
for two Li-Ion cells
UCC3952/A
UCC3911
Get samples, EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/device.html
Replace device with ucc3952-x or ucc3952a-x, where x is
1, 2, 3 or 4
Get samples, EVMs and datasheets at:
www.ti.com/sc/docs/products/analog/device.html
Replace device with ucc3911-x where x is 1, 2, 3 or 4
ODUC
D ATA
SHEETS
APP
REPORT
E VA L U AT I O N
D ATA
SHEETS
APP
REPORT
MODULE
S
E
S
A
E VA L U AT I O N
T
P
R
M P L
MODULE
➤ Protects sensitive Lithium-Ion cells from over-charge and
over-discharge conditions
➤ 50-mΩ integrated power FET reduces cost and increases
reliability
➤ Proven short-circuit protection increases system safety
➤ Four different over-charge voltage options provide system
flexibility: UCC3952/A-1, -2, -3 and -4
➤ 5-µA supply current prolongs battery life
➤ 18-pin BCC package meets the latest trend for cellular
phone batteries and saves over 50% board space vs. 16-pin
TSSOP
➤ Tolerant to 16-V (UCC3952) and 18-V (UCC3952A) input
voltages
➤ Suitable for in-car charging applications (UCC3952A)
➤ Packaging: 16-pin TSSOP, 16-pin SOIC or 18-pin Bump
Chip Carrier™ (BCC) (UCC3952A)
➤ Pricing starts at $1.73 each in quantities of 1,000
➤ Protects sensitive Lithium-Ion cells from over-charge and
over-discharge conditions
➤ 75-mΩ integrated power FET reduces cost and increases
reliability
➤ Proven short-circuit protection increases system safety
➤ Four different over-charge voltage options provide system
flexibility: UCC3911-1, -2, -3 and -4
➤ 18-µA supply current prolongs battery life
➤ Packaging: 16-pin SOIC
➤ Pricing starts at $3.26 each in quantities of 1,000
Two-cell Li-Ion battery protector
Clock
Pack +
Cell 1
Load
One-cell Li-Ion battery protector
Charger
Cell 2
Cell voltage
select
Compare
and
latch
REF
+ Battery pack +
Pack –
UCC3911
Battery
pack
Under voltage
Over voltage
Over current
Over temperature
– Battery pack –
UCC3952A
➤ Applications include
• Cellular telephones
• Pagers
• PDAs
➤ Applications include
• Cellular telephones
• Pagers
• PDAs
For technical support and ordering literature, see page 15.
Benchmarq Products
from Texas Instruments
Battery Protection
Battery protection IC
for three or four Li-Ion cells
Get EVMs, datasheets and app reports at:
www.ti.com/sc/docs/products/analog/device.html
Replace device in URL with ucc3957-1, ucc3957-2, ucc3957-3
or ucc3957-4
D ATA
SHEETS
Application Reports
To access any of the following application reports, type the URL
www.ti.com/sc/psheets/abstracts/apps/litnumber.htm
and replace litnumber with the number in parentheses beside the title.
For a complete list of analog application reports, visit
www.ti.com/sc/docs/apps/analog/index.htm
UCC3957
EVA LU ATION
SINE ON BATTERY MANAGEMENT ■ 11
3Q 2000
TEXAS INSTRUMENTS
APP
REPORT
MODULE
➤ Precision voltage reference (±50 mV) allows for full
battery charge restoration
➤ High-side protection MOSFETs prevent loss of system
ground
➤ Two-tier current-limiting scheme increases system
flexibility
➤ Smart discharge circuitry eliminates high-dissipation
discharge
➤ Low quiescent current (30 µA) provides longer battery life
➤ Four over-voltage protection threshold options:
UCC3957-1, -2, -3 and –4
➤ Packaging: 16-pin SSOP
➤ Pricing starts at $2.35 each in quantities of 1,000
Three-cell Li-Ion battery protector
Charge management:
• High efficiency dual-chemistry charger using the bq2000 (slua013)
• 20 W miniature dual-stage fast Lithium-Ion charger using bq2954 (slua070)
• Improved charging methods for lead-acid batteries using the UC3906
(slua115)
• Simple switchmode lead-acid battery charger (slua055)
• Implementing multi-state charge algorithm with the UC3909 switchmode
(slua098)
• An off-line lead-acid charger based on the UC3909 (slua058)
• Using the bq2000/T to control fast charge (slua064A)
• Using the bq2003 to control fast charge (slua003)
• Step-down switching current - regulation using the bq2003 fast-charge IC
(slua007)
• Using the bq2005 to control fast charge (slua010)
• Using the bq2031 to charge lead-acid batteries (slua017)
• Switch-mode power conversion using the bq2031 (slua019)
• Using NiMH and Li-Ion batteries in portable applications (slua015)
Gas gauging & battery monitoring
• Designed to go: Universal battery monitor using the bq2018 power minder IC
(slua016)
• DM2382 gas gauge peripheral and Li-Ion pack protection demo board
(sluu054)
• Using the bq2040, smart-battery-system gas gauge IC (slua233)
Pack+
• Using the bq2010, a tutorial for gas gauging (slua014)
• Using the bq2050 to monitor lead-acid batteries (slua021)
Battery protection
UCC3957
• DM2382 gas gauge peripheral and Li-Ion pack protection demo board
(sluu054)
Pack-
➤ Applications include
• Notebook PCs
• Medical/test equipment
• Portable instrumentation
• Handheld devices
Read Sine On online at www.ti.com/sc/sineon
Benchmarq Products
from Texas Instruments
12 ■ BATTERY MANAGEMENT SINE ON
TEXAS INSTRUMENTS
3Q 2000
Selection Guide for Charge Management
Battery
chemistry
Multi-chemistry
Lithium-Ion
Lithium-Polymer
NiMH, NiCd
Lead Acid
IC
part number
EVM
part number
DIP-8, SOIC-8,
TSSOP-8
DIP-8
SOIC-8
TSSOP-8
bq2000
DV2000S1
bq2000T
DV2000TS1
Minimum current, maximum time
TSSOP-20
PowerPAD™
bq24001
bq24002
bq24003
bq24004
bq24005
bq24006
BQ24001EVM
BQ24002EVM
BQ24003EVM
BQ24004EVM
BQ24005EVM
BQ24006EVM
Maximum current, maximum
temperature
TSSOP-8
SOIC-8
bq2057/C/T/W
DV2057
DV2057C
DV2057T
DV2057W
Minimum current, maximum time
DIP-16
SOIC-16
bq2954
DV2954S1L
DV2954S1H
Minimum current, maximum time
DIP-20
SOIC-20
UCC3956
n/a
-∆V, PVD, maximum temperature,
maximum time
∆T/∆t, maximum temperature,
maximum time
-∆V, PVD, maximum temperature,
maximum time
DIP-8
SOIC-8
DIP-8
SOIC-8
DIP-16
SOIC-16
bq2002/C/E/F/G
DV2002L2
bq2002D/T
DV2002TL2
bq2003
-∆V, PVD, ∆T/∆t, maximum temperature,
maximum time
DIP-16
SOIC-16
bq2004/E/H
DV2003L1
DV2003S1
DV2003S2
DV2004L1
DV2004S1
DV2004ES1
DV2004HS1
-∆V, ∆T/∆t, maximum temperature,
maximum time
DIP-20
SOIC-20
bq2005
DV20051
DV200551
Maximum voltage, - ∆2V, minimum
current, maximum time
DIP-16
SOIC-16
bq2031
DV2031S2
Maximum voltage, minimum current
DIP-16
SOIC-16
UC3906
n/a
Maximum voltage, minimum current
DIP-20
SOIC-20
UC3909
n/a
Key features
Charge termination method
Package
• Complete charge management for NiCd/
NiMH and Li-Ion/Li-Pol
• Integrated high-frequency switching
controller
• Pre-charge qualification
• Programmable trickle-charge mode for
reviving deeply discharged batteries
• Highly-integrated solution with FET passtransistor and reverse-blocking Schottky and
thermal shutdown
• Ideal for linear charger design for single- or twocell Li-Ion packs with Coke or Graphite anodes
powered from an external power source or a
USB hub
• Up to 1.2 A continuous-charge current with
low-dropout voltage
• Various charge status output options for
driving single, two or bi-color LEDs or host
processor interface
• Low-power sleep mode
• Low-dropout linear charger for single-and
two-cell applications
• Proprietary AutoComp™ feature for dynamic
compensation of battery pack’s internal
impedance
• Battery conditioning, temperature monitoring
and charge termination
• Integrated pulse-width modulation control for
current and voltage regulation
• ±1% voltage regulation accuracy
• Advanced dual-LED charge status display
with three user-selectable modes
• Integrated pulse-width modulation control for
current and voltage regulation
• Programmable charge termination
• Differential current sense inputs
• Gated control of an external current source
• Simple low-cost charger implementation
• Sleep mode for low power consumption
PVD, minimum current, maximum
temperature, maximum time
∆T/∆t, minimum current, maximum
temperature, maximum time
• Integrated high-frequency switching controller
• Discharge-before-charge option for
conditioning NiCd batteries
• Integrated high-frequency switching
controller
• Advanced dual-LED charge status display
with three user-selectable modes
• Discharge-before-charge option for
conditioning NiCd batteries
• Sequential safe management of fast charge
for two NiCd or NiMH battery packs
• Integrated high-frequency switching controller
• Discharge-before-charge option for
conditioning NiCd batteries
• Integrated pulse-width modulation control for
current and voltage regulation
• Three user-selectable charge algorithms to
accommodate cyclic and stand-by applications
• Advanced three-LED charge status display
with three user-selectable modes
• Linear controller
• Temperature-compensated internal reference
• Differential current sense inputs
• Integrated pulse-width modulation control for
current and voltage regulation
• Differential current sense inputs
For technical support and ordering literature, see page 15.
Benchmarq Products
from Texas Instruments
SINE ON BATTERY MANAGEMENT ■ 13
3Q 2000
TEXAS INSTRUMENTS
Selection Guide for Gas Gauging
Battery
Battery pack
capacity
Communication
interface
Key features
Package
IC
EVM
part number part number
800-6,000
800-6,000
800-10,000
1-wire DQ
1-wire HDQ
2-wire SMBus or
Remaining power (Wh) indication
Register-compatible with bq2014H
SBS rev 1.1-compliant with
SOIC-16
SOIC-16
SSOP-28
bq2050
bq2050H
bq2063*
EV2050
BQ2050HEVM-002
BQ2063EVM-001*
Primary Lithium
1,000-12,000
1-wire HDQ16
1-wire HDQ
SOIC-16
bq2052
BQ2052EVM-001
NiCd
800-2,000
500-6,000
1-wire DQ
1-wire DQ
protector IC interface
Programmable discharge efficiency
compensation
See bq2011 family Selection Guide
5 or 6 LED outputs
SOIC-16
SOIC-16
bq2011/J/K
bq2010
EV2011
EV2010
500-6,000
500-6,000
500-6,000
2,000-15,000
1-wire DQ
1-wire DQ
1-wire HDQ
1-wire HDQ
Slow-charge control
External charge-control support
Register-compatible with bq2050H
Programmable offset and load
compensation
SOIC-16
SOIC-16
SOIC-16
SOIC-16
bq2012
bq2014
bq2014H
bq2013H
EV2012
EV2014
BQ2014HEVM-001
BQ2013HEVM-001
800-10,000
800-10,000
800-10,000
2-wire SMBus
2-wire SMBus
2-wire SMBus
SBS rev. 1.0-compliant
SBS rev. 0.95-compliant
SBS rev. 1.0-compliant
with 5 LEDs
SOIC-16
SOIC-16
SOIC-16
bq2040
bq2092
bq2945
BQ2040EVM-001 (NiMH)
n/a
n/a
800-10,000
2-wire SMBus or
1-wire HDQ16
SBS rev. 1.1-compliant
SSOP-28
bq2060
BQ2060EVM-001 (Li-Ion)
BQ2060EVM-002 (NiMH)
chemistry
Li-Ion
NiCd/NiMH
NiCd/NiMH/Lead Acid
NiCd/NiMH/Lead
Acid/Li-Ion
* Product preview
Selection Guide for Battery Monitoring
Battery
Battery pack
chemistry
capacity
Communication
interface
Key features
Any
Any
1-wire HDQ
Any
Any
1-wire HDQ
Analog peripheral for µC
Analog peripheral with Flash
Package
SOIC-8 or
TSSOP-8
TSSOP-8
IC
EVM
part number part number
bq2018
BQ2018EVM-001
bq2019
BQ2019EVM-001
for µC
Selection Guide for Battery Protection
Battery
chemistry
Number of
cells protected Protection types
Key features
Package
IC
part number
1
Overcharge, overdischarge,
overcurrent
Internal MOSFET (50 mΩ total)
TSSOP-16
BCC-18
UCC3952-1, -2, -3, -4
UCC3952A-1, -2, -3, -4
UCC3952EVM-009
2
Overcharge, overdischarge,
overcurrent
Internal MOSFET (80 mΩ total)
SOIC-16
UCC3911-1, -2, -3, -4
UCC3911EVM-025
3 or 4
Overvoltage, undervoltage,
overcurrent
Smart-discharge circuitry
SSOP-16
UCC3957-1, -2, -3, -4
UCC3957EVM-029
Li-Ion
Read Sine On online at www.ti.com/sc/sineon
EVM
part number
Benchmarq Products
from Texas Instruments
14 ■ BATTERY MANAGEMENT SINE ON
TEXAS INSTRUMENTS
3Q 2000
Battery Management Evaluation Modules
Gas Gauging Evaluation Modules (EVMs)
PC-based EVMs allow quick evaluation of battery gas gauge ICs in the target application.
Gas gauging EVMs include:
➤
➤
➤
➤
Circuit board with gas gauge IC, current sense resistor and battery capacity LED indicators
Interface circuit and serial cable for PC interface
PC software to monitor all gas gauge functions and internal registers
PC software User Guide and other documentation
Gas gauge circuit module connects
directly to the application's battery
and the EV2200 PC-interface board.
The EV2200 PC-interface board
allows the PC to talk to the gas
gauge IC using the PC serial port.
Gas Gauge Evaluation Kit PC GUI polls and logs the accessible
gas gauge registers for monitoring and analysis of gas gauge
operation in the application.
Visit
power.ti.com
for samples, EVMs, technical information and more
For technical support and ordering literature, see page 15.
Benchmarq Products
from Texas Instruments
SINE ON BATTERY MANAGEMENT ■ 15
3Q 2000
TEXAS INSTRUMENTS
Charge Management EVMs
Charge management EVMs provide a development environment for each charge IC. The EVMs illustrate typical circuit
implementations for the ICs using gating, switching or linear
charge control topologies. With the EVMs, the user can
evaluate the performance of a charge management IC
solution with a battery pack.
TI Worldwide Technical Support
Internet
TI Semiconductor Home Page: www.ti.com/sc
TI Distributors: www.ti.com/sc/docs/general/distrib.htm
—————————————————————————
Product Information Centers
Americas
Charge Management EVMs include:
➤ EVM documentation and schematic
➤ Single board with complete charge management
circuit for each IC
Phone
+1(972) 644-5580
Fax
+1(972) 480-7800
Internet
www.ti.com/sc/ampic
—————————————————————————
Europe, Middle East, and Africa
➤ Direct connections for a power supply and battery
allow plug-and-play
➤ On-board jumpers to configure charge management IC for various charge levels and parameters,
safety timers and status indicators
➤ On-board charge status LED indicators
➤ Multiple EVMs for some ICs to meet different
charge and power requirements
Phone
Belgium (English)
+32 (0) 27 45 55 32
France
+33 (0) 1 30 70 11 64
Germany
+49 (0) 8161 80 33 11
Israel (English)
1800 949 0107
Italy
800 79 11 37
Netherlands (English)
+31 (0) 546 87 95 45
Spain
+34 902 35 40 28
Sweden (English)
+46 (0) 8587 555 22
United Kingdom
+44 (0) 1604 66 33 99
Fax
+44 (0) 1604 66 33 34
Email
[email protected]
Internet
www.ti.com/sc/epic
—————————————————————————
Japan
The charge management EVM
connects directly to a power
supply and a battery pack
Battery Protection EVMs
A complete line of EVMs is also available for
the protection ICs. Battery protection EVMs
include a typical protection circuit module
that connects directly to a battery for insystem evaluation. Some EVMs combine
the pack protection circuitry with a TI gas
gauge device for full battery monitoring
system evaluation. EVMs come with a
comprehensive user's guide.
UCC3952EVM-009 connections for the single-cell, pack+ and
pack- for quick connection and evaluation
Safe Harbor Statement
This publication may contain forward-looking statements that involve a number of risks and uncertainties. These “forward-looking statements” are intended to qualify for the safe harbor from liability established by the Private Securities Litigation Reform
Act of 1995. These forward-looking statements generally can be identified by phrases such as TI or its management “believes,”
“expects,” “anticipates,” “foresees,” “forecasts,” “estimates” or other words or phrases of similar import. Similarly, such statements herein that describe the company’s products, business strategy, outlook, objectives, plans, intentions or goals also are
forward-looking statements. All such forward-looking statements are subject to certain risks and uncertainties that could cause
actual results to differ materially from those in forward-looking statements. Please refer to TI’s most recent Form 10-K for more
information on the risks and uncertainties that could materially affect future results of operations. We disclaim any intention or
obligation to update any forward-looking statements as a result of developments occurring after the date of this publication.
Phone
International
+81-3-3344-5311
Domestic
0120-81-0026
Fax
International
+81-3-3344-5317
Domestic
0120-81-0036
Internet
International
www.ti.com/sc/jpic
Domestic
www.tij.co.jp/pic
—————————————————————————
Asia
Phone
International
Domestic
Australia
China
Hong Kong
India
Indonesia
Korea
Malaysia
New Zealand
Philippines
Singapore
Taiwan
Thailand
Fax
Email
Internet
+886-2-23786800
Local Access Code
1-800-881-011
00-800-8800-6800
800-96-1111
000-117
001-801-10
001-800-8800-6800
1-800-800-011
000-911
105-11
800-0111-111
080-006800
0019-991-1111
886-2-2378-6808
[email protected]
www.ti.com/sc/apic
TI Number
-800-800-1450
—
-800-800-1450
-800-800-1450
-800-800-1450
—
-800-800-1450
-800-800-1450
-800-800-1450
-800-800-1450
—
-800-800-1450
050200
Important Notice: The products and services of Texas Instruments and its subsidiaries described
herein are sold subject to TI’s standard terms and conditions of sale. Customers are advised to obtain
the most current and complete information about TI products and services before placing orders. TI
assumes no liability for applications assistance, customer’s applications or product designs, software
performance, or infringement of patents. The publication of information regarding any other
company’s products or services does not constitute TI’s approval, warranty or endorsement thereof.
© Copyright 2000 Texas Instruments
Sine On, PowerPAD and the 'red and black banner' device are trademarks of Texas Instruments.
AutoComp is a trademark of Unitrode Corp. Bump Chip Carrier (BCC) is a trademark of Fujitsu
Microelectronics, Inc. All trademarks are the property of their respective owners.
Read Sine On online at www.ti.com/sc/sineon
T H E
W O R L D
L E A D E R
I N
D S P
A N D
A N A L O G
Order a
Battery Management Evaluation Module (EVM)
%
for 50 off!
call 1-800-477-8924 and ask for ext. 4941
bq2060EVM-001 Gas Gauge EVM
DV2057C Charger EVM
(standard price $99)
(standard price $50)
➤ Complete evaluation system
for the bq2060 SBS, version
1.1-compliant gas gauge IC
➤ Preprogrammed bq2060
EEPROM for quick setup
➤ Includes PC software and
interface board for easy
evaluation
➤ Software allows reprogramming for different
applications
➤ Complete evaluation and
development system for
bq2057C Lithium-Ion (Li-Ion)
charge management IC
➤ Ready-to-use charger board
with a linear implementation
for charge of a one-cell, 4.2-V
Li-Ion battery
➤ Features all charge management functions of the bq2057C
like battery pre-conditioning, AutoComp™ charge-rate
compensation, safety timer and charge termination
➤ Direct battery connection
(Limit one discounted EVM per customer. Offer expires March 31, 2001.)
Get the latest on TI’s power management products in the new
‘Power Management Selection Guide’
The new Power Management Selection Guide provides a single, concise tool
to obtain information quickly about TI’s high-performance power management products.
The selection guide layout enables anyone, from a new system designer to
an experienced power designer, to review key areas rapidly for each of
the represented product spaces, to identify a family that meets the
design’s needs and then select the corresponding TI device number.
Key features of the guide include parametric values, specification
tables and a resource section identifying additional information and
tools. A power supply decision tree is also included to help quickly
identify the type of device required.
To order your copy, call 1-800-477-8924, ask for ext. 4735, or return
the enclosed reply card today.
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