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TPS65720, TPS657201, TPS657202, T...
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TPS65720, TPS657201, TPS657202, TPS65721
SLVS979C – OCTOBER 2009 – REVISED MAY 2018
TPS6572x Power Management IC (PMIC) With Battery Charger, One Step-Down Converter and One LDO
1 Features
1 Battery Charger With Power Path Management 28-V Rated Power Path With:
– 100-mA Input Current Limit – 500-mA Input Current Limit 300-mA Charge Current 200-mA Step-Down Converter for TPS65720 400-mA Step-Down Converter for TPS65721, TPS657201, TPS657202 Up to 92% Efficiency VIN Range for DCDC Converter From 2.3 V to 5.6 V 2.25-MHz Fixed Frequency Operation Power Save Mode at Light Load Current Output Voltage Accuracy in PWM Mode ±2% 100% Duty Cycle for Lowest Dropout 1 General Purpose 200-mA LDO VIN Range for LDO From 1.8 V to 5.6 V I2C Compatible Interface 4GPIOs Available in a 25-Ball DSBGA With 0.4-mm Pitch and in 4-mm × 4-mm 32-Pin WQFN Package
2 Applications
Bluetooth Headsets Handheld Equipment Wearables, Smart Watches Portable Accessories
3 Description
The TPS6572x device is a small power management unit targeted for Bluetooth headsets or other portable low-power consumer-end equipments. The device contains an USB friendly Lithium-Ion battery charger, a highly efficient step-down converter, a low-dropout linear
regulator, and additional supporting functions. The device is controlled by an I2C interface. Several settings can be customized by the use of nonvol...