Texas Instruments | 5Vin DM643x Power using a PMIC (Multi-output DC/DC Converter) | Application notes | Texas Instruments 5Vin DM643x Power using a PMIC (Multi-output DC/DC Converter) Application notes

Texas Instruments 5Vin DM643x Power using a PMIC (Multi-output DC/DC Converter) Application notes
Filename: PMP4022REVA_bom.xls
Date: 08/27/2008
PMP4022REVA BOM
COUNT
RefDes
Value
Description
Size
Part Number
MFR
1
C11
2.2uF
Capacitor, Ceramic, 6.3V, X5R,10%
0603
C1608X5R0J225K
TDK
1
C15
0.1uF
Capacitor, Ceramic, 6.3V, X5R,10%
0603
Std
Std
1
C16
0.01uF
Capacitor, Ceramic, 6.3V, X5R,10%
0603
Std
Std
2
C2, C3
22uF
Capacitor, Ceramic, 6.3V, X5R]
0805
C2012X5R0J226MT
TDK
2
C4, C13
1.0uF
Capacitor, Ceramic, 6.3V, X5R,10%
0603
C1608X5R0J105K
TDK
4
C5, C6, C7, C8
10uF
Capacitor, Ceramic, 6.3V, X5R, 10%
0805
C2012X5R0J106K
TDK
8
J1, J3, J4, J5, J9, J10, J13, J15
PTC36SAAN
Header, 2 pin, 100mil spacing, (36-pin strip)
0.100 x 2
PTC36SAAN
Sullins
4
JP3, JP4, JP7, JP8
Header, 3 pin, 100mil spacing, (36-pin strip)
0.100 x 3
PTC36SAAN
Sullins
1
L1
3.3uH
Inductor, 3.3uH, SMT, 3.39A, 18.3milliohm
0.300 sq"
DR74-3R3-R
Coiltronics
1
L2
3.3uH
Inductor, SMT, 3.3uH, 4.76A, 12.6milliohm
0.300 sq"
DR74-3R3-R
Coiltronics
1
R1
499K
Resistor, Chip, 499k,1/16W, 1%
0603
1
R10
100K
Resistor, Chip, 1/16W, 1%
0603
Std
Std
5
R11, R16, R17, R20, R21
0
Resistor, Chip, 1/16W, 1%
0603
Std
Std
1
R12
720k
Resistor, Chip, 1/16W, 1%
0603
Std
Std
1
R13
1.00Meg
Resistor, Chip, 1.00Meg, 1/16W, 1%
0603
Std
Std
1
R14
10.0K
Resistor, Chip, 1/16W, 1%
0603
CRCW0603-xxxx-F
Vishay
1
R15
0
Resistor, Chip, short, 1/16W, 5%
0603
CRCW0603-xxxx-F
Vishay
1
R18
100K
Resistor, Chip, 1/16W, 5%
0603
CRCW0603-xxxx-F
Vishay
1
R2
499K
Resistor, Chip, 499k, 1/16W, 1%
0603
1
R3
open
Resistor, Chip, open, 1/16W, 1%
0603
1
R4
0
Resistor, Chip, short, 1/16W, 1%
0603
1
R5
665k
Resistor, Chip, 665k, 1/16W, 1%
0603
Std
Std
1
R6
287k
Resistor, Chip, 332k, 1/16W, 1%
0603
Std
Std
1
R9
10
Resistor, Chip, 10, 1/16W, 5%
0603
Std
Std
1
U1
TPS650243RHB
IC, Power Management IC for Li-Ion Powered Systems
QFN-32
TPS650243RHB
TI
9/11/2008
DM643x – TPS650243 Test Report
DM643x – PMIC - (PMP4022-RevA)
9/11/08
The following test report includes measurements for the following output voltage rails for 5V input:
A.
B.
Start Up Waveform for all outputs
1.2V @ 1.48A Using the TPS650243 Device – DCDC1
1.
2.
3.
4.
5.
C.
1.8V @ 0.14A Using the TPS650243 Device - DCDC2
1.
2.
3.
4.
D.
Page 1 of 13
Output Voltage Ripple (Measured Full Load)
Load Transient (50% to 100% Load Step)
Load Regulation
Efficiency
Switch Node
Output Voltage Ripple (Measured Full Load)
Load Transient (50% to 100% Load Step)
Load Regulation
Efficiency
3.3V @ 0.04A Using the TPS650243 Device - LDO1
1. Output Voltage Ripple (Measured Full Load)
2. Load Transient (50% to 100% Load Step,)
Texas Instruments Power Management Solutions
9/11/2008
DM643x – TPS650243 Test Report
A Start Up Waveform All Outputs – TPS 650243
Sequence is 3.3V, 1.8V and 1.2V
Page 2 of 13
Texas Instruments Power Management Solutions
9/11/2008
DM643x – TPS650243 Test Report
A 1.2V @ 1.48A – TPS 650243 – DCDC1
1 Output Ripple Voltage
The photo below shows the output voltage ripple. The input voltage is 5V.
Channel 1: 1.2V Output - Orange (20mV/Division; AC Coupled)
Channel 4: Output Current – Blue (0.5A/Division)
1.48A External Load; 5us/Division
Page 3 of 13
Texas Instruments Power Management Solutions
9/11/2008
DM643x – TPS650243 Test Report
2 Load Transients (1.2V @ 1.48A)
The photo below shows the transient response. The current is pulsed from 0.75A to 1.48A. The input
voltage is 5V. The time-base is set to 200us/Division.
Channel 1: 1.2V Output - Orange (20mV/Division; AC Coupled)
Channel 4: Output Current - Blue (100mA/Division)
Page 4 of 13
Texas Instruments Power Management Solutions
9/11/2008
DM643x – TPS650243 Test Report
3 Load Regulation – 1.2V @ 1.48A
The load regulation is shown in the figure below. The input voltage is 5V.
Output Voltage vs. Load Current
Output Voltage (V)
1.216
1.212
1.208
1.204
1.200
1.196
0
0.2
0.4
0.6
0.8
1
1.2
1.4
Load Current (A)
Page 5 of 13
Texas Instruments Power Management Solutions
1.6
9/11/2008
DM643x – TPS650243 Test Report
4 Efficiency – 1.2V @ 1.48A
The efficiency is shown in the figure below. The input voltage is 5V.
1.2V @ 1.48A Efficiency vs. Load Current
88%
86%
Efficiency
84%
82%
80%
78%
76%
74%
72%
70%
0
0.2
0.4
0.6
0.8
1
1.2
1.4
Load Current (A)
Page 6 of 13
Texas Instruments Power Management Solutions
1.6
9/11/2008
DM643x – TPS650243 Test Report
5 Switch Node Waveforms – 1.2V @ 1.48A
The plot below shows the switching waveforms for the converter. The input is 5V.
Channel 2: Switch Node - Orange (2V/Division)
Switchnode 1.2V@1.48A External Load,
Page 7 of 13
Texas Instruments Power Management Solutions
9/11/2008
DM643x – TPS650243 Test Report
B 1.8V @ 0.14A – TPS 650243 – DCDC1
1. Output Ripple Voltage for 1.8V @ 0.14A
The photo below shows the output voltage ripple. The input voltage is 5V.
Channel 1: 1.8V Output - Orange (20mV/Division; AC Coupled)
1.8V@0.14A External Load; 5us/Division
Page 8 of 13
Texas Instruments Power Management Solutions
9/11/2008
DM643x – TPS650243 Test Report
2. Load Transients – 1.8V @ 0.14A
The photo below shows the transient response. The current is pulsed from 0.07A to 0.14A. The input
voltage is 5V. The time-base is set to 200us/Division.
Channel 1: 1.8V Output - Orange (20mV/Division; AC Coupled)
Channel 4: Output Current - Blue (100mA/Division)
Page 9 of 13
Texas Instruments Power Management Solutions
9/11/2008
DM643x – TPS650243 Test Report
3. Load Regulation – 1.8V @ 0.14A
The load regulation is shown in the figure below. The input voltage is 5V.
Output Voltage vs. Load Current
1.816
Output Voltage
1.812
1.808
1.804
1.800
1.796
1.792
0
0.05
0.1
0.15
Load Current (A)
Page 10 of 13
Texas Instruments Power Management Solutions
0.2
9/11/2008
DM643x – TPS650243 Test Report
4. Efficiency – 1.8V @ 0.14A
The efficiency is shown in the figure below. The input voltage is 5V.
Efficiency vs. Load Current
90.6%
90.5%
Efficiency
90.4%
90.3%
90.2%
90.1%
90.0%
89.9%
89.8%
89.7%
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
0.11
0.12
0.13
0.14
0.15
Load Current (A)
Page 11 of 13
Texas Instruments Power Management Solutions
0.16
9/11/2008
DM643x – TPS650243 Test Report
B 3.3V @ 0.04A – TPS 650243 – LDO1
1. Output Ripple Voltage for 3.3V @ 0.04A
The photo below shows the output voltage ripple. The input voltage is 5V.
Channel 1: 3.3V Output - Orange (20mV/Division; AC Coupled)
Channel 4: Current Output – Blue (10mA/Division)
3.3V@0.04A External Load; 5us/Division
Page 12 of 13
Texas Instruments Power Management Solutions
9/11/2008
DM643x – TPS650243 Test Report
2. Load Transients – 3.3V @ 0.04A
The photo below shows the transient response. The current is pulsed from 0.02A to 0.04A. The input
voltage is 5V. The time-base is set to 200us/Division.
Channel 1: 3.3V Output - Orange (20mV/Division; AC Coupled)
Channel 4: Output Current - Blue (10mA/Division)
Page 13 of 13
Texas Instruments Power Management Solutions
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