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CX20460 PDF Data sheet ( 特性 )

部品番号 CX20460
部品説明 Power Management Integrated Circuit for GSM and GPRS Applications
メーカ SkyWorks
ロゴ SkyWorks ロゴ 


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CX20460 Datasheet, CX20460 PDF,ピン配置, 機能
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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