STBC03 Datasheet | STMicroelectronics

Features - Charges single-cell Li-Ion batteries with CC/CV algorithm and charge termination - Fast charge current up to 650 m A adjustable by external resistor - Pre-charge current from 1 m A - Adjustable floating voltage up to 4.45 V - Integrated low quiescent LDO regulator - Automatic power path management - Auto-recharge function - Embedded protection circuit module (PCM) featuring battery overcharge, battery over-discharge and battery overcurrent protections - Charging timeout - Shipping mode feature allows battery low leakage when over-discharged - Very low battery leakage in over-discharge and shutdown mode - Charger enable input - Charge/fault status output - Battery voltage pin to allow external gauging - Two 3 Ω SPDT load switches - Available in Flip Chip 30, 400 µm pitch package - Rugged ±4 k V HBM, ESD protection on the most critical pins Applications - Smart watches and wearable devices - Fitness and medical accessories - Li-Ion and other Li-Poly battery rechargeable equipment Description The STBC03 is a highly integrated power management, embedding a linear battery charger, a 150 m A LDO, 2 SPDT load switches, and a protection circuit module (PCM) to prevent the battery from being damaged under fault conditions. The STBC03 uses a CC/CV algorithm to charge the battery; the fast charge and the pre-charge current can be both independently programmed using dedicated resistors. The termination current is set to 5% of the programmed fast charge current, but has fixed values for fast charge currents lower than 20 m A. The battery floating voltage value is programmable and can be set to a value up to 4.45 V. The STBC03 also features a charger enable input to stop the charging process anytime. The STBC03 is automatically powered off from the connected battery when the IN pin is not connected to a valid power source (battery mode). A battery under/overtemperature condition can be detected by using an external circuitry (NTC thermistor). The STBC03 draws less than 10...