TPS657201 Series
2-Channel Power Management IC (PMIC) with battery charger, one step-down converter and one LDO
Manufacturer: Texas Instruments
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Key Features
• Battery Charger With Power Path Management28-V Rated Power Path With:100-mA Input Current Limit500-mA Input Current Limit300-mA Charge Current200-mA Step-Down Converter for TPS65720400-mA Step-Down Converter for TPS65721, TPS657201, TPS657202Up to 92% EfficiencyVINRange for DCDC Converter From 2.3 V to5.6 V2.25-MHz Fixed Frequency OperationPower Save Mode at Light Load CurrentOutput Voltage Accuracy in PWM Mode ±2%100% Duty Cycle for Lowest Dropout1 General Purpose 200-mA LDOVINRange for LDO From 1.8 V to 5.6 VI2C Compatible Interface4GPIOsAvailable in a 25-Ball DSBGA With 0.4-mm Pitch and in 4-mm × 4-mm 32-Pin WQFN PackageBattery Charger With Power Path Management28-V Rated Power Path With:100-mA Input Current Limit500-mA Input Current Limit300-mA Charge Current200-mA Step-Down Converter for TPS65720400-mA Step-Down Converter for TPS65721, TPS657201, TPS657202Up to 92% EfficiencyVINRange for DCDC Converter From 2.3 V to5.6 V2.25-MHz Fixed Frequency OperationPower Save Mode at Light Load CurrentOutput Voltage Accuracy in PWM Mode ±2%100% Duty Cycle for Lowest Dropout1 General Purpose 200-mA LDOVINRange for LDO From 1.8 V to 5.6 VI2C Compatible Interface4GPIOsAvailable in a 25-Ball DSBGA With 0.4-mm Pitch and in 4-mm × 4-mm 32-Pin WQFN Package
Description
AI
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 nonvolatile memory which is factory programmed.
The 2.25-MHz step-down converter enters a low-power mode at light load for maximum efficiency across the widest possible range of load currents. For low-noise applications the devices can be forced into fixed-frequency PWM mode using the I2C-compatible interface.
The device allows the use of small inductors and capacitors to achieve a small solution size. The TPS65720 provides an output current of up to200 mA on the DC-DC converter while TPS657201, TPS657202, and TPS65721 provide up to 400 mA. The TPS6572x also integrates one 200-mA LDO. The LDO operates with an input voltage range from 1.8 V to 5.6 V, thus allowing it to be supplied from the output of the step-down converter or directly from the system voltage.
The TPS65720, TPS657201, and TPS657202 come in a small 25-ball 2-mm × 2-mm wafer chip scale package (DSBGA) with 0.4-mm ball pitch or a4-mm × 4-mm WQFN package with a 0.4-mm pitch (TPS65721).
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 nonvolatile memory which is factory programmed.
The 2.25-MHz step-down converter enters a low-power mode at light load for maximum efficiency across the widest possible range of load currents. For low-noise applications the devices can be forced into fixed-frequency PWM mode using the I2C-compatible interface.
The device allows the use of small inductors and capacitors to achieve a small solution size. The TPS65720 provides an output current of up to200 mA on the DC-DC converter while TPS657201, TPS657202, and TPS65721 provide up to 400 mA. The TPS6572x also integrates one 200-mA LDO. The LDO operates with an input voltage range from 1.8 V to 5.6 V, thus allowing it to be supplied from the output of the step-down converter or directly from the system voltage.
The TPS65720, TPS657201, and TPS657202 come in a small 25-ball 2-mm × 2-mm wafer chip scale package (DSBGA) with 0.4-mm ball pitch or a4-mm × 4-mm WQFN package with a 0.4-mm pitch (TPS65721).