adp3500

CDMA Power Management System (Pre-Release)

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概述

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 to +85 °C
64pin 7 x 7 LQFP package

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 Current Charge, Full Current Charge, and Regulator modes, and is designed for Li-Ion/Li-Polymer batteries.