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DATA SHEET
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)