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bq29200, bq29209
SLUSA52C – SEPTEMBER 2010 – REVISED MARCH 2016
bq2920x Voltage Protection with Automatic Cell Balance for 2-Series Cell Li-Ion Batteries
1 Features
•1 2-Series Cell Secondary Protection • Automatic Cell Imbalance Correction with External
Enable Control – ±30-mV Enable, 0-mV Disable Thresholds
Typical • External Capacitor-Controlled Delay Timer • External Resistor-Controlled Cell Balance Current • Low Power Consumption ICC < 3 µA Typical
(VCELL(ALL) < VPROTECT) • Internal Cell Balancing Handles Current
up to 15 mA • External Cell Balancing Mode Supported • High-Accuracy Overvoltage Protection:
– ±25 mV with TA = 0°C to 60°C • Fixed Overvoltage Protection Thresholds:
4.30 V, 4.
bq29200 Datasheet
