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Bq25185 Usb Dc Solar Lithium Ion Polymer Charger
Adafruit
A flexible USB/DC/solar charger board for LiPoly, LiIon or LiFePO4 batteries with adjustable current and voltage settings.
In stock
Specifications
8- Operating Voltage
- 5V (USB), 5 ~ 18V (DC/Solar) [input] / 4.5V-max (output)
- Logic Level
- N/A
- Clock Speed
- N/A
- Flash
- N/A
- Ram
- N/A
- Gpio Count
- 4 (S1, S2, IS, TH)
- Dimensions
- N/A
- Connectivity
- USB, DC/Solar [input], JST-PH [output]
Pinout
10Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| USB Type C | usb | POWER | 5V up to 1A |
| DCIN | dc_in | POWER | 5 ~ 18V input, solar-friendly |
| BATT | battery_output | POWER | 3.7V nominal / 4.2V max output |
| LOAD | load_output | POWER | 4.5V-max regulated output, up to 1A current |
| TH | thermistor | GND | Thermistor pad for charge rate adjustment |
| VS | voltage_setting | GND | Voltage setting pad for LiFePO4 batteries |
| IS | current_setting | GND | Current setting pad for charge rate adjustment |
| S1 | status_1 | GPIO | Connected to FAULT LED |
| S2 | status_2 | GPIO | Connected to CHRG LED |
| /CE | chip_enable | GND | Chip enable pad |
Interactive pinout
Highlight:
BOARD
Click a pin to copy its name · tap a tag above to spotlight a bus.