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BQ2501x
500mA Li-Ion Charger w/Integrated 150mA Synchronous Buck Converter, QFN-14
Schematic Symbol
Pin Configuration (21 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | NC | no_connect |
| 2 | FB | input |
| 3 | GND | passive |
| 4 | EN | input |
| 5 | AC | power_in |
| 6 | USB | power_in |
| 7 | STAT1 | open_collector |
| 8 | STAT2 | open_collector |
| 9 | GND | passive |
| 10 | NC | no_connect |
| 11 | NC | no_connect |
| 12 | ISET1 | input |
| 13 | ISET2 | input |
| 14 | ~{PG} | output |
| 15 | ~{CE} | input |
| 16 | BAT/OUT | power_out |
| 17 | BAT/OUT | power_in |
| 18 | GND | power_in |
| 19 | SW | power_out |
| 20 | FPWM | input |
| 21 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/Texas_VQFN-RHL-20_ThermalVias
Pad Layout
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Pads (41)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | 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 |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | thru hole |
| 21 | thru hole |
| 21 | smd |
| 21 | smd |
| 21 | thru hole |
| 21 | thru hole |
| 21 | smd |
| 21 | thru hole |
| 21 | thru hole |
| 21 | smd |
| 21 | smd |
| 21 | thru hole |
| 21 | thru hole |