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LP3947
Single Cell Li-Ion LDO Battery Charger IC, Up to 1A, Support USB charging scheme
Schematic Symbol
Pin Configuration (15 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | EN | input |
| 2 | SCL | input |
| 3 | SDA | bidirectional |
| 4 | BATT | power_out |
| 5 | V_{T} | power_out |
| 6 | VB_{SENSE} | input |
| 7 | MODE | input |
| 8 | DIFF_AMP | output |
| 9 | Ts | input |
| 10 | EOC | open_collector |
| 11 | GND | power_in |
| 12 | CHG | open_collector |
| 13 | ISEL | input |
| 14 | CHG_IN | power_in |
| 15 | EP | power_in |
Footprint
ConfirmedPackage_SON/WSON-14-1EP_4.0x4.0mm_P0.5mm_EP2.6x2.6mm
Pad Layout
Pads (19)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |