BQ294502, BQ294504, BQ294506, BQ294512, BQ294522 BQ294524, BQ294532, BQ294533, BQ294534, BQ294582, BQ294592
SLUSAJ3K – SEPTEMBER 2011 – REVISED AUGUST 2022
BQ2945xy Over
voltage Protection For 2-Series and 3-Series Cell Li-Ion Batteries
1 Features
• 2-series and 3-series cell over
voltage 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 over
voltage protection:
±10 mV • Low power consumption ICC ≈ 1 µA
(VCELL(ALL) VPROTECT) • Low leakage current per cell input 100 nA • Small package footprint
– 6-pin SON
2 Applications
• Second-level protection in Li-ion batt...