TPS65471 Description
TPS65471 integrates a Li-ion linear charger, power path management, four LDO regulators, 4.25-V synchronous boost converter and 4.25-V LDO regulator, three LED drivers and one motor driver. With the power path circuitry, USB-port, AC-DC adapter and Li-ion battery power can be switched seamlessly as the power source of 3.2-V LDO output regulators. This prevents instability in the system.
TPS65471 Key Features
- 1 40-Pin QFN package (6 mm x 6 mm) with PowerPAD™
- Integrated Dynamic Power Path Circuitry (VBUS, VAC, VBAT) With Power Good Signal Outputs and Reverse Current Protection
- 550-mA Li-Ion Battery Charger With 2 State Pins and Safety Timers
- Integrated 4.25-V Synchronous Boost Converter (PWM) and LDO to Provide Voltage Source for LEDs
- 4 LDOs for Each Function in the System
- USB Suspend Mode
- Reset Output
- 3 LED Drivers With PWM Control
- Integrated 3.0-V LDO Regulators
- Integrated 3.2-V LDO Regulators