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CX20460

Power Management Integrated Circuit for GSM and GPRS Applications

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PRODUCT SUMMARY

CX20460 Power Management Integrated Circuit for GSM and

GPRS Applications

Applications

• GSM and GPRS handsets/data modules

Features

• Power on/off control

• Generation of system voltages from a single power source

• Eight regulators

• Built-in linear battery charger

• Analog multiplexer

• Generation of system power on reset

• Overcurrent limiting

• Step-up DC/DC converter

• 48-pin LGA 7.0x7.0 mm package

• 3 V and 5 V Subscriber Identity Module (SIM) support including

level shifting

Description

Skyworks Power Management Integrated Circuit (PMIC) integrates

all the power supply and battery charging functions of a low

power wireless system into one package. The device is designed

for Global System for Mobile communications (GSM) and General

Packet Radio Service (GPRS) cellular handset applications. The

CX20460 PMIC is easily programmable using a two-wire serial

interface to ensure maximum flexibility for a wide variety of

designs.

The device provides the following functions:

• Voltage switching, conversion, and regulation

• Power management control logic

• Charging and monitoring of system battery

• SIM interface

The device is packaged in a 48-pin 7.0 x 7.0 mm Land Grid Array

(LGA). The LGA includes a downset paddle, which should be

connected to the board ground plane.

• CX20460-11 with a 1.20 mm chip height (For previous designs).

• CX20460-12 with a 1.00 mm chip height

• CX20460-32 with a 1.00 mm chip height

The CX20460 PMIC block diagram is shown in Figure 1. The

device package is shown in Figure 2 through Figure 4.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

103185C • Skyworks Proprietary and Confidential information. • Products and product information are subject to change without notice. • July 28, 2004

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