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ADP3502 Datasheet CDMA Power Management System

Manufacturer: Analog Devices

General Description

RESET OUTPUT ADP3502 STAY-ALIVE TIMER The ADP3502 is a multifunction chip optimized for CDMA-1x cell phone power management.

It offers a total power solution for the handset baseband and RF section, including LDOs to power 11 subsystems.

Also integrated are a real-time clock (RTC), serial bus interface, and charging control for Li-Ion/ Li-Polymer batteries.

Overview

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Key Features

  • 11 LDOs Optimized for Specific CDMA Subsystems 4 Backup LDOs for Standby Mode Operation Ultra Low Standby Supply Current High Accuracy Battery Charger (0.7%) 3 Li-Ion Battery Charge Modes 5 mA Precharge Low Current Charge Full Current Charge Integrated RTC Ambient Temperature:.
  • 30؇C to +85؇ C 64-Lead 7 mm ؋ 7 mm ؋ 1 mm TQFP Package.