Datasheet Summary
SLUSB15J
- SEPTEMBER 2012
- REVISED MAY 2021
BQ2947 Overvoltage Protection for 2-Series to 4-Series Cell Li-Ion Batteries with External Delay Capacitor
1 Features
- 2-, 3-, and 4-series cell overvoltage protection
- External capacitor-programmed delay timer
- Factory programmed OVP threshold (threshold range 3.85 V to 4.6 V)
- Output options: active high or open drain active low
- High-accuracy overvoltage protection: ±10 mV
- Low power consumption ICC ≈ 1 µA
(VCELL(ALL) < VPROTECT)
- Low leakage current per cell input < 100 nA
- Small package footprint
- 8-pin WSON (2.00 mm x 2.00 mm)
2 Applications
- Notebooks
- UPS battery backup
100 Ω
3 Description
The BQ2947 family is an...