L9856
High voltage high-side driver
Features
■
■
■
■
■
■
■
■
■
■
■
High voltage rail up to 160 V dV/dt immunity ±50 V/nsec in full temperature range
Driver current capability:
500 mA source,
500 mA sink
Switching times 100 ns rise/fall with 2.5 nF load
CMOS/TTL Schmitt trigger inputs with hysteresis
Under voltage lock out
Clamping on V
CC
Loading circuit for external Bootstrap capacitor
Inverting input
Reset circuitry
SO-8 package
SO-8
Description
The L9856 is an high voltage device, manufactured with the BCD "OFF-LINE" technology.
It has the capability of driving N-Channel Power
MOS transistors. The upper (floating) section is enabled to work with voltage rail up to 160 V. The logic Inputs are CMOS/TTL compatible for ease of interfacing with controlling devices.
Table 1.
Device summary
Order code Operating temp range,
C
L9856
L9856TR
-40 to +125
-40 to +125
Package
SO-8
SO-8
Packing
Tube
Tape and Reel
September 2013 Rev 3 1/14
www.st.com
1
3
4
5
Contents
Contents
1
2
L9856
Block diagram andpin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3
Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.5
Logic table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2/14
L9856
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logic table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3/14
List of figures
List of figures
L9856
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2.
Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3.
Input/output timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4.
Reset timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 5.
SO-8 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4/14
L9856
1
Block diagram andpin description
Block diagram andpin description
Figure 1.
Block diagram
V
CC
RES-
IN-
GND
Undervoltage
RESET
VB to VS
Undervoltage
RESET VCC to GND
Logic
Pulse Filter
Level Shifter
"ON"
Level Shifter
"OFF"
Pulse Filter
FLIP FLOP
Break before
Make
Delay
V
B
H
O
V
S
Figure 2.
Pin connection (top view)
V
CC
IN-
GND
RESET-
3
4
1
2
6
5
8
7
V
B
H
O
NC
V
S
Table 2.
Pin #
7
8
5
6
3
4
1
2
V
CC
IN-
GND
RESET-
V
S
NC
H
O
V
B
Pin function
Pin name Description
Driver supply, typical 5V
Driver control signal input (negative logic)
Ground
Driver enable signal input (negative logic)
MOSFET source connection
No connection (no bondwire)
MOSFET gate connection
Driver output stage supply
5/14
Electrical specifications L9856
2.2
Table 3.
Thermal data
Symbol Parameter Value
R th(j-amb)
Thermal resistance junction to ambient Max.
150
Unit
°C/W
Absolute maximum ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to GND, all currents are defined positive into any lead. An operation above the absolute maximum limit is not implied and can damage the part.
Table 4.
Absolute maximum ratings
Value
Symbol Parameter Units
Min.
-0.3
Max.
20 V V
BS
V
B
V
S
V
HO
V
CC
V
IN
I
IN
V
RES
V esd
V
CDM dV/dt
T
J
T stg
T
L
High side floating supply voltage.
High side driver output stage voltage neg. transient: 0.5 ms, external MOSFET off.
High side floating supply offset voltage neg. transient 0.1 µs, repetitive pulse over lifetime at every switching event.
Output voltage gate connection.
Supply voltage.
Input voltage.
Input injection current. Full function, no latchup; (guaranteed by design). Test at 5 V and 7 V on Eng. Samples.
Reset input voltage.
Electrostatic discharge voltage (human body model).
Charge device model CDM, EOS/ESD Ass.
Std 5.3. Number of discharges per pin: 6.
Allowable offset voltage slew rate.
Junction temperature.
Storage temperature.
Lead temperature (Soldering, 10 seconds) 3 times Bosch soldering profile acc. to Bosch soldering conditions, Gen. Spec.
-5
-8
V
S
- 0.3
-0.3
-0.3
---
-0.3
2k
500
-50
-55
-55
-
166
150
V
B
+ 0.3
20
V
CC
+ 0.3
+1
V
CC
+ 0.3
50
150
150
300
V
V
V
V
V mA
V
V
V
V/nsec
°C
6/14
L9856 Electrical specifications
2.3
Table 5.
Symbol
V
B
(1)
V
S
Recommended operating conditions
For proper operations the device should be used within the recommended conditions.
Recommended operating conditions
Value
Parameter Units
High side driver output stage voltage
High side floating supply offset voltage
Min.
VS+4.4
Max.
VS+18 V
V
HO
V
CC
V
IN
V
RES dV/dt
(2)
Output voltage gate connection
Supply voltage
Input voltage
Reset input voltage
Allowable offset voltage slew rate
F
S
Switching frequency
1.
Reset-Logic functional for V
BS
> 2V, independent from V
CC
-level.
2.
Guaranteed by design.
(25°C)
(125°C)
-3.2
-2.9
V
S
4.4
0
0
-50
V
CC
V
CC
50
200
150
150
V
B
6.5
V
V
V
V
V
V/nsec kHz
Table 6.
Symbol
Electrical characteristics
Unless otherwise specified, V
CC
= 5 V, V
BS
= 7 V, V
S
= 0 V, IN = 0 V, RES = 5 V, load R = 50
, C = 2.5 nF. Unless otherwise noted, these specifications apply for an operating ambient temperature range of -40 °C <
T amb
< 125 °C.
Parameter Test condition Min. Typ.
Max.
Unit
V
CC
supply
V
V
CCUV+
CCUV-
V
CC
supply undervoltage positive going threshold
V
CC
supply undervoltage negative going threshold
V
CCUVHYS
V
CC
supply undervoltage lockout hysteresis
V
CC
rising from 0 V
V
CC
dropping from 5 V t d
UVCC
Undervoltage lockout response time
V
CC
steps either from 6.5 V to 2.7 V or from 2.7 V to
6.5 V
I
QCC
V
CC
supply current
2.8
0.02
0.5
0.3
4.3
0.6
20
400
V
s
µA
7/14
Electrical specifications L9856
Table 6.
Electrical characteristics (continued)
Unless otherwise specified, V
CC
= 5 V, V
BS
= 7 V, V
S
= 0 V, IN = 0 V, RES = 5 V, load R = 50
, C = 2.5 nF. Unless otherwise noted, these specifications apply for an operating ambient temperature range of -40 °C <
T amb
< 125 °C.
Parameter Test condition Min. Typ.
Max.
Unit Symbol
I
PKSo1
I
PKSo2
I
PKSo3
I
PKSo4
I
HO,off t r1 t r2 t r3 t r4
I
PKSi1
I
PKSi2
V
BS
supply
V
BSUV+
V
BS
supply undervoltage positive going threshold
V
CC rising from 0 V
V
BSUV-
V
BSUVHYS
V
BS
supply undervoltage lockout hysteresis td
I
UVBS
QBS1
V
BS
supply undervoltage negative going threshold
V
CC
dropping from 5 V
Undervoltage lockout response time
V
BS
steps either from 6.5 V to 2.7 V or from 2.7 V to 6.5V
static mode,
IN = 0 V or 5 V
V
BS
supply current
I
QBS2
V
BS
V
BS
drop due to output turn-on static mode, V
BS
= 16 V,
IN = 0 V or 5 V
C
BS
= 1
µF, td
IG-IN
= 3
s, t
TEST
= 100
s
Gate driver characteristics
I
I
PKSi3
PKSi4 t t t t f1 f2 f3 f4
Peak output source current
HO off state leakage current
Output rise time
Peak output sink current
Output fall time
T j
= 25 °C
V
BS
= 16V , T j
V
BS guaranteed by design
T j
= 16 V
= 25 °C
V
BS
= 16 V, T j
V
BS
= 16 V
IN = 5 V
= 25 °C
= 25 °C
IN = 5 V, T j
= 25 °C
IN = 5 V, T j
= 25 °C
V
BS
= 16 V
IN = 5 V, V
BS
= 16 V
IN = 5 V, T j
= 25 °C
IN = 5 V,
V
BS
= 16 V, IN = 5 V,
T j
= 25 °C
V
BS
= 16 V, IN = 5 V,
2.8
0.02
0.5
250
150
0.3
500
300
0.2
0.3
0.1
0.15
4.3
0.4
20
100
200
210
120 250
70 150
250 500
150 300
120
70
0.2
0.3
0.1
0.15
250
150
1
0.4
0.5
0.2
0.3
0.4
0.5
0.2
0.3
V
V
µs
µA
µA mV mA
µA
s mA
µs
8/14
L9856 Electrical specifications
Table 6.
Electrical characteristics (continued)
Unless otherwise specified, V
CC
= 5 V, V
BS
= 7 V, V
S
= 0 V, IN = 0 V, RES = 5 V, load R = 50
, C = 2.5 nF. Unless otherwise noted, these specifications apply for an operating ambient temperature range of -40 °C <
T amb
< 125 °C.
Parameter Test condition Min. Typ.
Max.
Unit Symbol
t t t t plhi phli plhr phlr
Input-to-output turn-on propagation delay (50 % input level to 10 % output level)
Input-to-output turn-off propagation delay (50 % input level to 90 % output level)
RES-to-output turn-on propagation delay (50 % input level to 10% output level)
RES-to-output turn-off propagation delay (50 % input level to 90 % output level)
Input characteristics
0.1
0.1
0.1
0.1
0.35
0.4
0.4
0.4
µs
V
INH
High logic level input threshold 0.6 V
CC
V
CC
= 5V V
V
INL
Low logic level input threshold
60 100
0.28
V
CC
250
5 k
µA
R
IN
I
IN
High logic level input resistance
High logic level input current
V
V
R
RESH
RESL
RES
High logic level RES input threshold
Low logic level RES input threshold
High logic level RES Input resistance
I
RES
Low logic level input current
Recharge characteristics
t t on_rech off_rech
V
RECH
Recharge transistor turn-on propagation delay
Recharge transistor turn-off propagation delay
Recharge output transistor onstate voltage drop
Deadtime characteristics
DT
DT
HOFF
HON
V
V
V
V
IN
= V
CC
= 5V
RES
S
= 5V
1 mA forced on recharge path on
CC
= 0
High side turn-off to recharge gate turn-on
V
CC
= 5 V
Recharge gate turn-off to high side turn-on
0.6 V
CC
60
3
0.5
3
0.1
100
6
0.1
6
0.4
0.28
V
CC
250
5
9
0.5
1.2
9
0.7
k
µA
µs
µs
V
µs
9/14
Electrical specifications L9856
Note:
Table 7.
Logic table
Supply voltages and thresholds
V cc
< V
CCUV-
X
X
> V
CCUV+
> V
CCUV+
V
BS
X
X
X
> V
BSUV+
< VB
SUV-
X means independent from signal.
RESET-
X
LOW
X
HIGH
HIGH
Signals
IN-
X
X
HIGH
LOW
LOW
Output
Ho
OFF
OFF
OFF
ON
OFF
Recharge path
ON
ON
ON
OFF
OFF
10/14
L9856
Figure 3.
Input/output timing diagram
t t t t t t
Figure 4.
Reset timing diagram
t t
Timing diagrams
t t t t t t t t
11/14
Package information L9856
In order to meet environmental requirements, ST (also) offers these devices in ECOPACK
® packages. ECOPACK
®
packages are lead-free. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard
JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
Figure 5.
SO-8 mechanical data and package dimensions
DIM.
A
A1
A2 b c
D
(1)
E
E1
(2)
mm inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
0.100
1.250
0.280
1.750
0.250 0.0039
0.0492
0.480 0.0110
0.0689
0.0098
0.0189
0.170
0.230 0.0067
0.0091
4.800
4.900
5.000 0.1890 0.1929 0.1969
5.800
3.800
6.000
3.900
6.200 0.2283 0.2362 0.2441
4.000 0.1496 0.1535 0.1575
e h
L
0.250
0.400
1.270
0.500 0.0098
1.270 0.0157
0.0500
0.0197
0.0500
L1 k ccc
0˚
1.040
8˚
0.100
0˚
0.0409
Notes: 1. Dimensions D does not include mold flash, protrusions or gate burrs.
Mold flash, potrusions or gate burrs shall not exceed 0.15mm in total (both side).
2. Dimension “E1” does not include interlead flash or protrusions. Interlead flash or protrusions shall not exceed 0.25mm per side.
8˚
0.0039
OUTLINE AND
MECHANICAL DATA
SO-8
12/14
0016023 D
L9856 Revision history
Table 8.
Date
29-Jun-2007
Document revision history
30-May-2008
20-Sep-2013
Revision
1
2
3
Changes
Initial release.
Update Features section on page 1.
Updated
Table 4: Absolute maximum ratings on page 6
.
Updated
Table 5: Recommended operating conditions on page 7
.
Updated disclaimer.
13/14
L9856
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