Datasheet

4.2 Bill of Materials

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Schematic and Bill of Materials

Table 1. TPS650240EVM-331 Bill of Materials

Count Ref Des Value Description Size Part Number MFR

3 C1, C4, C19 1 µ F Capacitor, Ceramic, 10V, X5R, 10% 0805 Std Std

9 C2, C3, C5, 10 µ F Capacitor, Ceramic, 10V, X5R, 10% 0805 Std Std

C11–C13,

C15–C17

4 C6, C8, C14, C18 2.2 µ F Capacitor, Ceramic, 10V, X5R, 10% 0805 Std Std

3 C7, C9, C10 10 nF Capacitor, Ceramic, 10V, X5R, 10% 0805 Std Std

7 J1, J6, J12–J16 PTC36SAAN Header, 4-pin, 100mil spacing, (36-pin strip) 0.100 × 4 PTC36SAAN Sullins

3 J2, J17, J18 PTC36SAAN Header, 2-pin, 100mil spacing, (36-pin strip) 0.100 × 2 PTC36SAAN Sullins

9 J3–J5, J7 - J11, PTC36SAAN Header, 3-pin, 100mil spacing, (36-pin strip) 0.100 × 3 PTC36SAAN Sullins

J19

3 L1, L2, L3 2.2 µ H Inductor, SMT, 2.0A, 110m Ω 0.118 × 0.118 inch LPS3015-222ML Coilcraft

1 R1 560k Resistor, Chip, 1/10-W, 1% 0805 Std Std

1 R10 240k Resistor, Chip, 1/10-W, 1% 0805 Std Std

5 R11, R17, R19, 100k Resistor, Chip, 1/10-W, 1% 0805 Std Std

R24, R26

1 R14 51k Resistor, Chip, 1/10-W, 1% 0805 Std Std

1 R15 300k Resistor, Chip, 1/10-W, 1% 0805 Std Std

1 R2 160k Resistor, Chip, 1/10-W, 1% 0805 Std Std

1 R20 200k Resistor, Chip, 1/10-W, 1% 0805 Std Std

2 R23, R25 80.6k Resistor, Chip, 1/10-W, 1% 0805 Std Std

1 R27 1.00M Resistor, Chip, 1/10-W, 1% 0805 Std Std

0 R3 - R6, R13 Open Resistor, Chip, 1/10-W, 1% 0805 Std Std

7 R7, R9, R12, R16, 0 Resistor, Chip, 1/10-W, 1% 0805 Std Std

R18, R21, R22

1 R8 1 Resistor, Chip, 1/10-W, 1% 0805 Std Std

1 U1 TPS79901DDC IC, Ultra-low Noise, High PSRR 200 mA, SOT23-5 TPS79901DDC TI

LDO Regulators

1 U2 TPS650240RHB IC, 3 DC-DC Converters QFN-32[RTV] TPS650240RHB TI

9 — Shunt, 100-mil, Black 0.100 929950-00 3M

4 — Bumper foot - clear 0.44" × 0.20" SJ-5303 3M

1 — PCB, 3.0" × 3.0" √ 0.062" HPA331 Any

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.

5. Add self-adhesive bumper feet to each corner of PCB after final assembly and wash

SLVU269 – September 2008 TPS650240EVM-331 7

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