Texas Instruments BQ29442DRBT, Battery Protection IC, 2 ~ 4 Cell Li-Ion, Over Voltage Fault Protection, 8-VDFN Exposed Pad, 8-SON (3x3), -40°C to 110°C.
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Operating temperature | -40°C ~ 110°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Battery Protection |
| Case | 8-VDFN Exposed Pad |
| Number of cells | 2 ~ 4 |
| Fault protection | Over Voltage |
| Battery chemistry | Lithium Ion |
The BQ29442DRBT monitors 2 to 4 series-connected lithium-ion cells, triggering an output on over-voltage detection. This covers the common 7.4 V (2S) through 14.8 V (4S) nominal pack voltages used in power tools, portable medical gear, and battery-backed industrial instruments.
It supports 2 to 4 series lithium-ion cells and provides over-voltage fault protection.