Description
www.ti.com bq29410, bq29411, bq29412 bq29413, bq29414 bq29415, bq29419 SLUS669G * AUGUST 2005 * REVISED AUGUST 2008 VOLTAGE PROTECTI.
The bq2941x is a secondary overvoltage protection IC for 2-, 3-, or 4-cell lithium-ion battery packs that incorporates a high-accuracy precision overv.
Features
* 1
* 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
Applications
* 2nd-Level Overvoltage Protection in Li-Ion Battery Packs in:
* Notebook Computers
* Portable Instrumentation