Texas Instruments BQ25700ARSNT, Battery Monitor, Multi-Chemistry, I2C Interface, 1~4 Cells, Fault Protection (Over Current, Over Temperature, Over Voltage), 32-WFQFN Exposed Pad, -40°C~85°C, Active.
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Interface | I²C |
| Operating temperature | -40°C~85°C(TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Battery Monitor |
| Case | 32-WFQFN Exposed Pad |
| Number of cells | 1 ~ 4 |
| Fault protection | Over Current, Over Temperature, Over Voltage |
| Battery chemistry | Multi-Chemistry |
The I2C interface lets the host microcontroller set charge current, voltage thresholds, and termination criteria without external resistors — handy when you need to tweak the profile per battery chemistry or temperature. The built-in fault protection covers over-current, over-temperature, and over-voltage, which saves external supervisory circuitry on the board.
Yes, the BQ25700ARSNT uses an I2C interface for host-controlled charge parameter programming. This is the primary control interface — no other digital bus is listed.
Yes, it supports 1 to 4 series cells. A 4-cell (16.8 V nominal Li-ion) pack is within its rated cell count range.