bq29411
Overview
The bq2941x is a secondary overvoltage protection IC for 2-, 3-, or 4-cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit. It includes a programmable delay circuit for overvoltage detection time.
- 2-, 3-, or 4-Cell Secondary Protection
- Low Power Consumption ICC < 2 µA [VCELL(ALL) < V(PROTECT)]
- Fixed High Accuracy Overvoltage Protection Threshold - bq29410 = 4.35 V - bq29411 = 4.40 V - bq29412 = 4.45 V - bq29413 = 4.50 V - bq29414 = 4.55 V - bq29415 = 4.60 V - bq29419 = 4.30 V
- Programmable Delay Time of Detection
- High Power Supply Ripple Rejection
- Stable During Pulse Charge Operation
