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ADP3522 Datasheet GSM Power Management System

Manufacturer: Analog Devices

General Description

PWRONIN ANALOG LDO TCXOEN SIMEN RESCAP MEMORY LDO RTC LDO REF BUFFER VMEM TCXO LDO VAN The ADP3522 is a multifunction power system chip optimized for GSM/GPRS handsets, especially those based on the Analog Devices AD20msp430 system solution with 1.8 V digital baseband processors, such as the AD6525, AD6526, and AD6528.

It contains six LDOs, one to power each of the critical GSM subblocks.

Sophisticated controls are available for powerup during battery charging, keypad interface, and RTC alarm.

Overview

GSM Power Management System ADP3522.

Key Features

  • Handles all GSM Baseband Power Management 6 LDOs Optimized for Specific GSM Subsystems Li-Ion Battery Charge Function Optimized for the AD20msp430 Baseband Chipset Reduced Package Size: 5 mm ؋ 5 mm LFCSP-32.