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Bill of Materials, Board Layout, and Schematics

6 Bill of Materials, Board Layout, and Schematics

6.1 Bill of Materials

Table 4. Bill of Materials

Count

RefDes Value Description Size Part Number MFR

-001 -002

2 2 C1, C5 0.1uF Capacitor, Ceramic, 0.1-uF, 25-V, X7R, 10% 1206 Std Std

1 1 C2 1uF Capacitor, Ceramic, 1uF, 25-V, X7R, 10% 1206 Std Std

1 1 C3 1uF Capacitor, Ceramic, 1-uF, 6.3V, X5R, 20% 0805 Std Std

1 1 C4 22uF Capacitor, Ceramic, 22uF, 10V, X5R, 20% 1206 ECJ-HVB1A226M Panasonic

2 2 C6, C7 0.1uF Capacitor, Ceramic, 0.1uF, 25V, X7R, 10% 0603 Std Std

0 0 C8 DNP Capacitor, Ceramic, Low Inductance, vvV, [temp], 0603 Std Std

[tol]

1 1 D1 Red Diode, LED, Red, 1.8-V, 20-mA, 20-mcd 0603 LTST-C190CKT Liteon

1 1 D2 BZX84C6v2T Diode, Zener, 6.2-V, 350-mW SOT-23 BZX84C6V2-7-F Diodes

3 3 J1, J2, J4 ED1514 Terminal Block, 2-pin, 6-A, 3.5mm 0.27 x 0.25 ED555/2DS OST

1 1 J3 ED555/4DS Terminal Block, 4-pin, 6-A, 3.5mm 0.55 x 0.25 inch ED555/4DS OST

1 0 J5 Connector, Male Straight 2x5 pin, 100mil spacing, 0.338 x 0.788 inch N2510-6002-UB 3M

4 Wall

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

5 5 JP2, JP3, PEC02SAAN Header, Male 2-pin, 100mil spacing, 0.100 inch x 2 PEC02SAAN Sullins

JP4, JP5,

JP6

1 1 Q1 NTR4101P Trans, PChan FET -20V, 3.2A, Rds 0.070 Ohm SOT-23 NTR4101PT1G OnSemi

0 1 R1 24.3k Resistor, Chip, 1/16W, 1% 0603 Std Std

0 1 R2 11.3k Resistor, Chip, 1/16W, 1% 0603 Std Std

2 2 R3, R5 1k Resistor, Chip, 1/16W, 1% 0603 Std Std

1 1 R4 1.5k Resistor, Chip, 1/16W, 1% 0603 Std Std

1 1 R6 10k Potentiometer, 1/4 in. Cermet, 12-Turn, Top-Adjust 0.25x0.17 inch 3266W-103LF Bourns

1 1 R7 200k Potentiometer, 1/4 Cermet, 12-Turn, Top-Adjust 0.25x0.17 inch 3266W-204LF Bourns

1 0 R8 0 Resistor, Chip, 1/16W, 5% 0603 Std Std

1 0 U1 BQ25050DQC IC, 1A, Single-Input, Single Cell Li-Ion BATTERY TDFN-10 BQ25050DQC TI

CHARGER with 50mA LDO and Minimum System

Voltage Support

0 1 U1 BQ25060DQC IC, 1A, Single-Input, Single Cell Li-Ion BATTERY TDFN-10 BQ25060DQC TI

CHARGER with 50mA LDO and Minimum System

Voltage Support

1 1 — PCB, 2 In x 1.875 In x 0.031 In HPA577 Any

6 6 — Shunt, 100-mil, Black 0.100 929950-00 3M

SLUU438–July 2010 bq25050/bq25060EVM