Description
bq29440, bq2944L0 bq29441, bq29442, bq29443, bq29449, bq2944L9 www.ti.com SLUSA15C * JUNE 2010 * REVISED NOVEMBER 2010 Voltage Prot.
The bq2944x is a secondary overvoltage protection IC for 2-series, 3-series, or 4-series cell Li-Ion battery packs that incorporates a high-accuracy p.
Features
* 1
* 2-Series, 3-Series, or 4-Series Cell Secondary Protection
* External Capacitor-Controlled Delay Timer
* Low Power Consumption ICC < 2 µA Typical [VCELL(ALL) < VPROTECT]
* High-Accuracy Overvoltage Protection: ±25 mV with TA = 0°C to 60°C
* Fixed Overvoltag
Applications
* Second-Level Protection in Li-Ion Battery Packs
* Notebook Computers
* Power Tools