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Bill of Materials, Board Layout, and Schematic
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4 Bill of Materials, Board Layout, and Schematic
4.1 Bill of Materials
Table 1. Bill of Materials
bq24351 RefDes Value Description Size Part Number MFR
1 C1 1 µF Capacitor, ceramic, 35-V, X5R, 10% 603 Std Std
3 C2, C3, C5 1 µF Capacitor, ceramic, 10-V, X7R, 10% 603 Std Std
1 C4 0.1 µF Capacitor, ceramic, 16-V, X7R, 10% 805 Std Std
1 C6 0.1 µF Capacitor, ceramic, 10-V, X7R, 10% 603 Std Std
1 C7 220 µF Capacitor, electrolytic, 25-V, 20% 0.327 inch × 0.327 UUD1E221MNL1GS Nichicon
inch (8.3 mm × 8.3
mm)
1 D1 BZT52C6V8S Diode, zener, 200-mW, 6.8-V SOD-323 BZT52C6V8S General
3 D2, D3, D6 Green Diode, LED, green, 2.1-V, 20-mA, 6-mcd 603 LTST-C190GKT LITE-ON
2 D4, D7 Red Diode, LED, red, 2.1-V, 20-mA, 6-mcd 603 LTST-C190CKT Lite-On
1 D5 BAT54C Diode, dual Schottky, 200-mA, 30-V SOT23 BAT54C Vishay/LITE-
ON
2 J1, J4 ED1514/2DS Terminal block, 2-pin, 6-A, 3.5-mm 0.27 inch × 0.25 ED1514/2DS OST
inch (6.86 mm ×
6.35 mm)
2 J2, J3 ED1516/4DS Terminal block, 4-pin, 6-A, 3.5-mm 0.55 inch × 0.25 ED1516/4DS OST
inch (14 mm × 6.35
mm)
5 JP1, JP4, JP5, PEC02SAAN Header, 2-pin, 100-mil (2.54-mm) spacing 0.100 inch (2.54 PEC02SAAN Sullins
JP6, JP7 mm) × 2
2 JP2, JP3 PTC03SAAN Header, male 3-pin, 100-mil (2.54-mm) spacing, 0.100 inch (2.54 PTC03SAAN Sullins
(36-pin strip) mm) × 3
5 929950-00 Shorting jumpers, 2-pin, 100-mil (2.54-mm) 929950-00 3M/ESD
spacing
2 R1, R2 0 Resistor, chip, 1/16-W, 1% 402 Std Std
0 R3, R4 0 Resistor, chip, 1/16-W, 1% 402 Std Std
2 R5, R6 200 kΩ Resistor, chip, 1/16-W, 5% 402 Std Std
2 R7, R8 200 kΩ Resistor, chip, 1/16-W, 5% 603 Std Std
2 R9, R10 0.2 Ω Resistor, metal film, 1/4-W, 1% 1206 Std Std
1 R11 20 kΩ Resistor, chip, 1/16-W, 5% 603 Std Std
1 R12 100 kΩ Resistor, chip, 1/16-W, 5% 603 Std Std
1 R13 100 Ω Resistor, chip, 1/16-W, 5% 603 Std Std
1 R14 6.2 kΩ Resistor, chip, 1/16-W, 5% 603 Std Std
4 R15, R16, R17, 1.5 kΩ Resistor, chip, 1/16-W, 5% 603 Std Std
R18
1 R19 51 Ω Resistor, chip, 1/16-W, 5% 603 Std Std
4 6-32 NYL nuts NY HN 632 H620-ND Building
Fasteners
4 ST1, ST2, ST3, 4816 Standoff, M/F, hex 6-32 NYL, 0.500 inch (12.7 sf_thvt_325_rnd 4816 Keystone
ST4 mm)
8 TP1, TP2, TP3, White Test point, white, thru hole, color-keyed 0.100 × 0.100 inch 5002 Keystone
TP4, TP5, TP6, (2.54 mm × 2.54
TP7, TP8 mm)
1 TP9 White Test point, white, thru hole, color-keyed 0.100 × 0.100 inch 5001 Keystone
(2.54 mm × 2.54
mm)
1 U1 bq24351DSG IC, overvoltage and overcurrent charger front-end SON-8 bq24351DSG TI
1 U2 bq2057CSN IC, charge management, one- or two-cell Li-Ion SOIC(SN) bq2057CSN TI
or Li-Pol charger
1 — HPA666 PCB, 2.8-inch × 2.8-inch × 0.062-inch (7.11-cm × PCB Any
7.11-cm × 1.58-mm)
Notes: 1. Number 0 in left side columns means do not use this component.
2. Std in part number column means standard manufacturer’s part number.
6
bq24351EVM for Li-Ion Charger Front-End Protection IC SLUU455–October 2010
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