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DATA SHEET
BQ2945xy Overvoltage Protection For 2-Series and 3-Series Cell Li-Ion Batteries
1 Features
- 2-series and 3-series cell overvoltage monitor
for secondary protection
- Fixed programmable delay timer
- Fixed OVP threshold
- Available range from 3.85
V to 4.6 V
- Fixed OVP delay option: 4 s or 6.5 s
- 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
2 Applications
- Second-level protection in Li-ion
battery packs in: