Datasheet
Table Of Contents
- 1 Introduction
- 2 TPS650250EVM Electrical Performance Specifications
- 3 Modifications
- 4 Schematic
- 5 Connector and Test Point Descriptions
- 5.1 J1 –VIN
- 5.2 J2 – GND
- 5.3 J3 – VINLDO/GND
- 5.4 J4 – VDCDC1
- 5.5 J5 – GND
- 5.6 J6 – VDCDC2
- 5.7 J7 – GND
- 5.8 J8 – VDCDC3
- 5.9 J9 – GND
- 5.10 J10 – VDLO1
- 5.11 J11 – GND
- 5.12 J12 – VDLO2
- 5.13 J13 – GND
- 5.14 J14 – VDD_ALIVE/GND
- 5.15 J15 – PWRFAIL/GND
- 5.16 JP1 – EN_DCDC1
- 5.17 JP2 – EN_DCDC2
- 5.18 JP3 – EN_DCDC3
- 5.19 JP4 – EN_LDO
- 5.20 JP5 – SCALE_DCDC3
- 5.21 JP6 – MODE
- 5.22 JP7 – EN_VDD_ALIVE
- 5.23 JP8 – DEF1
- 5.24 JP9 – DEF2
- 5.25 Factory Jumper Setup
- 6 EVM Assembly Drawings and Layout
6.1 Bill of Materials
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EVM Assembly Drawings and Layout
Table 3 lists the EVM components as configured according to the schematic shown in Figure 2 .
Table 3. TPS650250EVM Bill of Materials
Count RefDes Value Description Size Part Number MFR
2 C1, C5 1.0 µ F Capacitor, Ceramic, 6.3V, X5R,10% 0603 C1608X5R0J105K TDK
4 C12, C13, C14, 2.2 µ F Capacitor, Ceramic, 6.3V, X5R, 10% 0603 C1608X5R0J225K TDK
C15
9 C2, C3, C4, C6, 10uF Capacitor, Ceramic, 6.3V, X5R, 10% 0805 C2012X5R0J106K TDK
C7, C8, C9, C10,
C11
15 J1, J2, J3, J4, Header, 2 pin, 100mil spacing, (36-pin strip) 0.100 × 2 PTC36SAAN Sullins
J5, J6, J7, J8,
J9, J10, J11,
J12, J13, J14,
J15
8 JP1, JP2, JP3, Header, 3 pin, 100mil spacing, (36-pin strip) 0.100 × 3 PTC36SAAN Sullins
JP4, JP6, JP7,
JP8, JP9
0 JP5 open Header, 3 pin, 100mil spacing, (36-pin strip) 0.100 × 3 PTC36SAAN Sullins
2 L1, L3** 2.2 µ H Inductor, SMT, 1.72A, 59milliohm 0.157 × 0.157 inch VLCF4020T-2R2N1R7 TDK
1 L2** 3.3 µ H Inductor, SMT, 1.52A, 78milliohm 0.157 × 0.157 inch VLCF4020T-3R3N1R5 TDK
0 Q1 open SOT23
2 R1, R3 0 Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R10, R11 182k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R16 60.4k Resistor, Chip, 1/16W, 1% 0603 Std Std
2 R17, R18 150k Resistor, Chip, 1/16W, 1% 0603 Std Std
0 R2, R12, R13, Open Resistor, Chip, 1/16W, 1% 0603
R14, R15
1 R4 1 Resistor, Chip, 1/16W, 5% 0603 Std Std
1 R5 1.21M Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R6 499k Resistor, Chip, 1/16W, 1% 0603 Std Std
0 R7, R8 open Resistor, Chip, 1/16W, 1% 0603
2 R9, R19 100k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 U1** TPS650250RH IC, Power Management ICs for Li-Ion Powered QFN-32 TPS650250RHB TI
B Systems
1 — PCB, 2.2 In x 3.3 In x 0.064 In HPA447 Any
8 — Shunt, 100-mil, Black 0.100 929950-00 3M
Notes: 1 These assemblies are ESD sensitive, ESD precautions shall be observed.
2. These assemblies must be clean and free from flux and all contaminants.
Use of no clean flux is not acceptable.
3. These assemblies must comply with workmanship standards IPC-A-610 Class 2.
4. Ref designators marked with an asterisk ('**') cannot be substituted.
All other components can be substituted with equivalent MFG's components.
SLVU290 – July 2009 Using the TPS650250EVM Power Management IC for Li-Ion Powered Systems 13
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