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Schematic and Bill of Materials

4.2 Bill of Materials

Table 2. TPS54262EVM Bill of Materials for 500 kHz Configuration

Count Ref Des Description Size MFR Part Number

1 C1 Capacitor, electrolytic, 220uF, 50V 10.3mm x 10.3mm Panasonic EEVFK1H221P

4 C2, C5, C6, Capacitor, ceramic, 0.1uF, 50V, 10% 0603 muRata GCM188R71H104KA57

1 C3 Capacitor, tantalum, 100uF, 16V, 10% 7343-31 AVX TPSD107M016R0060

1 C4 Capacitor, ceramic, 1uF, 50V, 10% 1206 muRata GCM31MR71H105KA55

2 C8, C11 Capacitor, ceramic, 22pF, 50V, 5% 0603 muRata GCM1885C1H220JA16

1 C9 Capacitor, ceramic, 330pF, 50V, 5% 0603 muRata GCM1885C1H331JA16

1 C10 Capacitor, ceramic, 10pF, 50V, 5% 0603 muRata GRM1885C1H100JA01

1 C12 Capacitor, ceramic, 220pF, 50V, 5% 0603 muRata GCM1885C1H221JA16

1 C13 Capacitor, ceramic, 2.2nF, 50V, 5% 0603 muRata GCM1885C1H222JA16

1 C14 Capacitor, ceramic, 150nF, 25V, 10% 0603 muRata GRM188R71E154KA01

1 C15 Capacitor, ceramic, 47nF, 50V, 10% 0603 muRata GRM188R71H473KA61

2 D1, D2 Diode, Schottky, 3A, 60V PowerDI Diodes PDS360-13

1 D3 Diode, Zener, 1A, 5V SMA MCC SMAZ5V1-TP

2 J1, J2 Terminal block, 2-pin, 6A, 3.5mm 0.25 x 0.27 OST ED1514

10 Sync, GND Test point, 52-mil 0.052 Kobiconn 151-103-RC

(x4), PH,

RST/, VBATT,

VIN, VOUT

3 Delay, LPM, Header, 6-pin, 100-mil spacing, (36-pin strip) 0.100 x 3 Sullins PEC06DAAN

1 ENA Header, 3-pin, 100-mil spacing, (36-pin strip) 0.100 x 3 Sullins PEC03SAAN

6 DELAY(x3), Connector jumper, shorting, 100-mil spacing 0.100 Sullins SPC02SYAN

ENA, LPM, SR

1 L1 Inductor, SMT, 22-uH 12.3mm x 12.3mm Coilcraft MSS1278T-223

1 R1 Resistor, chip, 187-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF1873V

1 R2 Resistor, chip, 35.7-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF3572V

1 R3 Resistor, chip, 221-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF2213V

2 R4 Resistor, chip, 2-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF2001V

3 R5, R6, R8 Resistor, chip, 30.1-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF3012V

1 R7 Do not populate 0603 Panasonic

1 R9 Resistor, chip, 68.1-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF6812V

1 R10 Resistor, chip, 47.5-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF4752V

1 R11 Resistor, chip, 49.9-Ω, 1/10W, 1% 0603 Panasonic ERJ-3EKF49R9V

1 R12 Resistor, chip, 274-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF2743V

1 R13 Resistor, chip, 2.55-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF2551V

1 R14 Resistor, chip, 82.5-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF8252V

1 R15 Resistor, chip, 2.32-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF2321V

1 R16 Resistor, chip, 15-kΩ, 1/10W, 1% 0603 Panasonic ERJ-3EKF1502V

1 U1 IC, TPS54262QPWPRQ1 TI TPS54262QPWP

- PCB, 2.3-inch x 2.3-inch x 0.062 Any TPS54262, REV A

SLVU344–October 2009 TPS54262EVM

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