·2,3, or 4-Cell Secondary Protection
· Low Power Consumption lcc<2uA
[ VCELL(ALL)<VIPROTEcDl
· Fixed High Accuracy Overvoltage Protection Threshold
-bq29410=4.35V-bq29411=4.40V-bq29412=4.45V-bq29413=4.50V-bq29414=4.55V-bq29415=4.60V-bq29419=4.30V
· Programmable Delay Time of Detection
· High Power Supply Ripple Rejection
· Stable During Pulse Charge Operation
APPLICATIONS
·20d.Level Overvoltage Protection in Li-lon Battery Packs in:
-Notebook Computers
-Portable Instrumentation
-Portable Equipment
DESCRIPTION
The bq2941x is a secondary overvoltage protection IC for 2-,3-, or 4-cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltagedetection circuit. it includes a programmable delay circuit for overvoltage detection time.
Feature
- 2-, 3-, or 4-Cell SecondaryProtection
- 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
- APPLICATIONS
- 2nd-Level Overvoltage Protection in Li-Ion Battery Packs in:
- Notebook Computers
- Portable Instrumentation
- Portable Equipment
- 2nd-Level Overvoltage Protection in Li-Ion Battery Packs in:
(Picture:Pinout / Diagram)
