LP3910

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP3910 SNVS481M – NOVEMBER 2006 – REVISED DECEMBER 2015 LP3910 Power Management IC for Hard-Drive-Based Portable Media Players 1 Features 1 Two Low-Dropout Regulators With Programmable Output Voltages: – LDO1 for General Purpose Applications – LDO2 for Low-Noise Analog Applications Green and Red LED-Charger Status Drivers 4-Channel 8-Bit Dual Slope Analog-to-Digital (ADC) Converter 2 High-Efficiency DVS Buck Converters Wide Load Range Buck-Boost DC-DC Converter 400-kHz I2C-Compatible Interface Linear Constant-Current and Constant-Voltage Charger for Single-Cell Lithium-Ion Batteries USB and Adapter Charging System Power Supply Management Voltage and Thermal Supervisory Circuits Continuous Battery Voltage Monitoring Interrupt Request Output With 8 Sources 50-mΩ Battery Path Resistance 100-mA to 1000-mA Full-Rate Charge Current Using Wall Adapter Selectable 0.05C and 0.1C End-of-Charge (EOC) Current USB Current Limits of 100, 500, and 800 mA USB Pre-Qualification Current of 50 mA Selectable 4.1-V, 4.2-V or 4.38-V Battery- Termination Voltages 0.35% Battery-Termination Accuracy ±1 LSB INL/DNL on 8-Bit ADC 2 Applications Hard Drive-Based Media Players Portable Gaming Players Portable Navigation Devices 3 Description The LP3910 is a programmable system power management unit optimized for HDD-based portable media players. The device incorporates ...