RT5002C - Richtek

RT5002C 7 + 1 Channel DC/DC PMU

The RT5002C is a complete power supply solution for digital still cameras and other handheld devices. It includes a 7+1 channel DC/DC power converter unit, a single-cell Li-ion battery charger, and an I2C control interface. The power converter unit includes one synchronous stepup converter and three synchronous step-down converters for DSP core, I/O, Motor, .

Features

Power Converter Unit : One Channel LV Sync Step-Up and Three Channel LV Sync Step-Down Up to 95% Efficiency One Sync Step-Up and One Async Inverting for CCD± bias One WLED Driver in either Sync Step-Up or Current Source Operation WLED Driver with Dimming Control Step-Up Mode with LED Open Protection (OVP7) One Low Quiescent LDO with Reverse Leakage Prevention for RTC Power Supply Preset On/Off Sequence of CH1, CH2, CH3, CH4 (1 → 3 → 4 → 2) Three Preset On/Off Sequences of CH5, CH6 (5 → 6, 6 → 5, and 5/6 at the same time) Simplified Application Circuit Input Power Chip Enable I2C Control VIN.