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Schematic, Printed-Circuit Board Layout, and Bill of Materials

Figure 10. Bottom Layer

5.3 Bill of Materials

Table 2. PWR125A Bill of Materials

Count

-001 RefDes Value Description Size Part Number MFR

2 C1-2 22µF Capacitor, Ceramic Chip, 10V, X5R, 10% 0805 STD STD

1 C3 47µF Capacitor, Tantalum, 8V, 35milliohm, 20% 3528(B) T520B476M008ATE035 Kemet

2 C4-5 10nF Capacitor, Ceramic, 25V, X5R, 10% 0603 Std Std

0 C6-7 open Capacitor, Ceramic 1210 Std Std

0 C8 open Capacitor, Ceramic 0805 Std Std

0 C9 Capacitor, Ceramic, 50V, C0G, 5% 0603 Std Std

7 J1-7 PEC02SAAN Header, Male 2-pin, 100mil spacing 0.100 inch x 2 PEC02SAAN Sullins

1 JP1 PEC03SAAN Header, 3 pin, 100mil spacing 0.100 x 3 PEC03SAAN Sullins

1 L1 1.0 µH Inductor, Power, 4.5A, ±20% 0.157 x 0.157 inch XFL4020-102ML Coilcraft

1 R1 200k Resistor, Chip, 1/16W, 1% 0603 Std Std

1 R2 158k Resistor, Chip, 1/16W, 1% 0603 Std Std

1 R3 500k Resistor, Chip, 1/16W, 1% 0603 Std Std

1 R4 1.00M Resistor, Chip, 1/16W, 1% 0603 Std Std

0 TP1 STD Test Point, O.032 Hole 0.032 Std Std

1 U1 TLV62090RGT IC, 3A High Efficient Synchronous Step Down Converter QFN-16 TLV62090RGT TI

1 – – Shunt, 100-mil, Black 0.100 929950-00 3M

1 – – PCB 1.8 x 1.8 x 0.031 inch PWR125 Any

1 – – Label (See note 5) 1.25 x 0.25 inch THT-13-457-10 Brady

SLVU693B–March 2012–Revised May 2012 TLV62090EVM-125 Evaluation Module

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