Datasheet Summary
BQ2946
SLUSAS0E
- DECEMBER 2011
- REVISED APRIL 2021
BQ2946xx Single-Cell Protector for Li-Ion Batteries
1 Features
- Single-Cell Overvoltage Monitor for Secondary Protection
- Fixed Programmable Delay Timer
- Fixed Overvoltage Protection (OVP) Threshold
- Available Range of 3.85 V to 4.6 V
- Fixed OVP Delay Option: 4 s or 6.5 s
- High-Accuracy OVP:
± 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 battery packs in:
- Tablets
- Slates
- Portable equipment and instrumentation
3 Description
The BQ2946xx family of products is a...