ADP3500 Datasheet - Analog Devices

ADP3500 CDMA Power Management

The ADP3500 is a multifunction power system chip optimized for CDMA cell phone power management. It contains 15 LDOs. Sophisticated controls are available for power up during battery charging, keypad interface, GPIO/INT function and RTC function. The battery charger has four modes as Pre-charge, Low.

ADP3500 Features

* Handles all CDMA Baseband and RF/IF Power Management Functions LDOs Optimized for Specific CDMA Subsystems Four Backup LDOs for Stand-By mode operation Four Li-Ion Battery Charge Modes 5mA Pre Charge Low Current Charge Full Current Charge Regulator mode (no current limit) Ambient Temperature: -30 °C

ADP3500-AnalogDevices.pdf