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Bill of Materials, Board Layout, and Schematics

4 Bill of Materials, Board Layout, and Schematics

4.1 Bill of Materials

Count RefDes Value Description Size Part Number MFR

1 C2 1.0uF Capacitor, Ceramic, 25V, X5R, 10% 0603 STD STD

1 C8 1.0uF Capacitor, Ceramic, 6.3V, X5R, 10% 0402 STD STD

4 C1, C4, C9, 0.1uF Capacitor, Ceramic, 25V, X5R, 10% 0402 STD STD

C10

3 C3, C5, C6 4.7uF Capacitor, Ceramic, 25V, X5R, 10% 0805 STD STD

1 C7 10uF Capacitor, Ceramic, 10V, X5R, 20% 0603 STD STD

1 C11 47uF Capacitor, Ceramic, 10V, X5R, 10% 1210 STD STD

2 D1, D2 BAT54C Diode, Dual Schottky, 200-mA, 30-V SOT23 BAT54C Vishay-Liteon

1 D3 LTST-C190GKT Diode, LED, Green, 2.1V, 10-mA, 6-mcd 0603 LTST-C190GKT Lite On

1 D4 LTST-C193KRKT Diode, LED, Red, 2V, 5-mA, 26-mcd 0603 LTST-C193KRKT Lite On

1 J2 N2510-6002RB Connector, Male Straight 2x5 pin, 100mil spacing, 4 Wall 0.338 x 0.788 inch N2510-6002RB 3M

4 J1, J3, J7, J8 ED555/2DS Terminal Block, 2-pin, 6-A, 3.5mm 0.27 x 0.25 inch ED555/2DS OST

8 J4-6, J9, J10-13 PEC02SAAN Header, Male 2-pin, 100mil spacing, 0.100 inch x 2 PEC02SAAN Sullins

5 JP1 - JP5 PEC03SAAN Header, Male 3-pin, 100mil spacing, 0.100 inch x 3 PEC03SAAN Sullins

2 L1-2 1.0uH Inductor, SMT ±30% 2x2.5 mm 1239AS-H-1R0N Toko

1 R1 0.068 Resistor, Chip, 1/10W, 1% 0805 STD STD

1 R2 1.50k Resistor, Chip, 1/16W, 1% 0603 STD STD

1 R3 0 Resistor, Chip, 1/16W, 1% 0603 STD STD

2 R4, R5 200 Resistor, Chip, 1/16W, 1% 0603 STD STD

10 TP1-TP10 5000 Test Point, Red, Thru Hole Color Keyed 0.100 x 0.100 inch 5000 Keystone

3 TP11-TP13 5001 Test Point, Black, Thru Hole Color Keyed 0.100 x 0.100 inch 5001 Keystone

0 TP14-TP15 STD Test Point, 0.020 Hole STD STD

1 U1 BQ24140YFF IC, Switch-Mode One-Cell Li-Ion Charger WCSP BQ24140YFF TI

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

1 – PCB, 1.97" x 2.48" x 0.031" PWR003 Any

4.2 Board Layout

Figure 5. Assembly Top Layer

SLUU495A–October 2011–Revised September 2012 bq24140, Fully Integrated, Dual-Input, Switch-Mode, One-Cell, Li-Ion Charger

With Full USB Compliance and USB-OTG Support EVM

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