
Bill of Materials, Board Layout, and Schematic  | www.ti.com  | 
4 Bill of Materials, Board Layout, and Schematic
4.1Bill of Materials
Table 1. Bill of Materials
bq24351  | RefDes  | Value  | Description  | Size  | Part Number  | MFR | 
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1  | C1  | 1 µF  | Capacitor, ceramic,   | 603  | Std  | Std  | 
  | 
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3  | C2, C3, C5  | 1 µF  | Capacitor, ceramic,   | 603  | Std  | Std  | 
  | 
  | 
  | 
  | 
  | 
  | 
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1  | C4  | 0.1 µF  | Capacitor, ceramic,   | 805  | Std  | Std  | 
  | 
  | 
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1  | C6  | 0.1 µF  | Capacitor, ceramic,   | 603  | Std  | Std  | 
  | 
  | 
  | 
  | 
  | 
  | 
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1  | C7  | 220 µF  | Capacitor, electrolytic,   | 0.327 inch × 0.327  | UUD1E221MNL1GS  | Nichicon  | 
  | 
  | 
  | 
  | inch (8.3 mm × 8.3  | 
  | 
  | 
  | 
  | 
  | 
  | mm)  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
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1  | D1  | BZT52C6V8S  | Diode, zener,   | BZT52C6V8S  | General  | |
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3  | D2, D3, D6  | Green  | Diode, LED, green,   | 603  | ||
  | 
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2  | D4, D7  | Red  | Diode, LED, red,   | 603  | ||
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1  | D5  | BAT54C  | Diode, dual Schottky,   | SOT23  | BAT54C  | Vishay/LITE-  | 
  | 
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  | 
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  | 
  | ON  | 
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2  | J1, J4  | ED1514/2DS  | Terminal block,   | 0.27 inch × 0.25  | ED1514/2DS  | OST  | 
  | 
  | 
  | 
  | inch (6.86 mm ×  | 
  | 
  | 
  | 
  | 
  | 
  | 6.35 mm)  | 
  | 
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  | 
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2  | J2, J3  | ED1516/4DS  | Terminal block,   | 0.55 inch × 0.25  | ED1516/4DS  | OST  | 
  | 
  | 
  | 
  | inch (14 mm × 6.35  | 
  | 
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  | 
  | 
  | mm)  | 
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5  | JP1, JP4, JP5,  | PEC02SAAN  | Header,   | 0.100 inch (2.54  | PEC02SAAN  | Sullins  | 
  | JP6, JP7  | 
  | 
  | mm) × 2  | 
  | 
  | 
  | 
  | 
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  | 
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2  | JP2, JP3  | PTC03SAAN  | Header, male   | 0.100 inch (2.54  | PTC03SAAN  | Sullins  | 
  | 
  | 
  | mm) × 3  | 
  | 
  | |
  | 
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5  | 
  | Shorting jumpers,   | 
  | 3M/ESD | ||
  | 
  | 
  | spacing  | 
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2  | R1, R2  | 0  | Resistor, chip,   | 402  | Std  | Std  | 
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0  | R3, R4  | 0  | Resistor, chip,   | 402  | Std  | Std  | 
  | 
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2  | R5, R6  | 200 kΩ  | Resistor, chip,   | 402  | Std  | Std  | 
  | 
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2  | R7, R8  | 200 kΩ  | Resistor, chip,   | 603  | Std  | Std  | 
  | 
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  | 
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2  | R9, R10  | 0.2 Ω  | Resistor, metal film,   | 1206  | Std  | Std  | 
  | 
  | 
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  | 
  | 
  | 
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1  | R11  | 20 kΩ  | Resistor, chip,   | 603  | Std  | Std  | 
  | 
  | 
  | 
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  | 
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1  | R12  | 100 kΩ  | Resistor, chip,   | 603  | Std  | Std  | 
  | 
  | 
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  | 
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1  | R13  | 100 Ω  | Resistor, chip,   | 603  | Std  | Std  | 
  | 
  | 
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  | 
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1  | R14  | 6.2 kΩ  | Resistor, chip,   | 603  | Std  | Std  | 
  | 
  | 
  | 
  | 
  | 
  | 
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4  | R15, R16, R17,  | 1.5 kΩ  | Resistor, chip,   | 603  | Std  | Std  | 
  | R18  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
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  | 
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1  | R19  | 51 Ω  | Resistor, chip,   | 603  | Std  | Std  | 
  | 
  | 
  | 
  | 
  | 
  | 
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4  | 
  | 
  | NY HN 632  | Building  | ||
  | 
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  | 
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  | Fasteners  | 
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4  | ST1, ST2, ST3,  | 4816  | Standoff, M/F, hex   | sf_thvt_325_rnd  | 4816  | Keystone  | 
  | ST4 | 
  | mm)  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
8  | TP1, TP2, TP3,  | White  | Test point, white, thru hole,   | 0.100 × 0.100 inch  | 5002  | Keystone  | 
  | TP4, TP5, TP6,  | 
  | 
  | (2.54 mm × 2.54  | 
  | 
  | 
  | TP7, TP8  | 
  | 
  | mm)  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | 
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1  | TP9 | White  | Test point, white, thru hole,   | 0.100 × 0.100 inch  | 5001  | Keystone  | 
  | 
  | 
  | 
  | (2.54 mm × 2.54  | 
  | 
  | 
  | 
  | 
  | 
  | mm)  | 
  | 
  | 
  | 
  | 
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  | 
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1  | U1  | bq24351DSG  | IC, overvoltage and overcurrent charger   | bq24351DSG  | TI  | |
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1  | U2  | bq2057CSN  | IC, charge management, one- or   | SOIC(SN)  | bq2057CSN  | TI  | 
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  | 
  | or   | 
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1  | —  | HPA666  | PCB,   | 
  | PCB | Any  | 
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Notes: 1.  | Number 0 in left side columns means do not use this component.  | 
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2.  | Std in part number column means standard manufacturer’s part number.  | 
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6  | bq24351EVM for   | SLUU455   | 
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