Datasheet > ADP3405

ADP3405

更新时间： 2024-11-22 22:53:39

品牌	Logo	应用领域
亚德诺 - ADI		GSM
页数	文件大小	规格书
12页	151K
描述
GSM Power Management System

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中文翻译

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ADP3405 数据手册

GSM Power Management System

ADP3405

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Handles all GSM Baseband Power Management

Functions

VBAT

Four LDOs Optimized for Specific GSM Subsystems

Charges Li-Mn Coin Cell for Real-Time Clock

Charge Pump and Logic Level Translators for 3 V and 5 V

GSM SIM Modules

ADP3405

DIGITAL

VCC

LDO

Narrow Body 4.4 mm 28-Lead TSSOP Package

RESET

APPLICATIONS

GSM/DCS/PCS Handsets

TeleMatic Systems

ICO/Iridium Terminals

PWRONKEY

RTC LDO

VRTC

ROWX

POWER-UP

SEQUENCING

AND

PROTECTION

LOGIC

XTAL OSC

LDO

PWRONIN

ANALOGON

RESCAP

VTCXO

VCCA

GENERAL DESCRIPTION

ANALOG

LDO

CHRON

The ADP3405 is a multifunction power management system IC

optimized for GSM cell phones. The wide input voltage range of

3.0 V to 7.0 V makes the ADP3405 ideal for both single cell Li-Ion

and three cell NiMH designs. The current consumption of the

ADP3405 has been optimized for maximum battery life, featuring

a ground current of only 150 µA when the phone is in standby

(digital LDO, and SIM card supply active). An undervoltage lock-

out (UVLO) prevents the startup when there is not enough energy

in the battery. All four integrated LDOs are optimized to power

one of the critical sub-blocks of the phone. Their novel anyCAP^®

architecture requires only very small output capacitors for stability,

and the LDOs are insensitive to the capacitors’ equivalent series

resistance (ESR). This makes them stable with any capacitor,

including ceramic (MLCC) types for space-restricted applications.

SIMBAT

CAP+

CAP؊

CHARGE

VSIM

PUMP

SIMPROG

SIMON

BUFFER

REFOUT

DGND

REF

SIMGND

RESETIN

CLKIN

LOGIC LEVEL

TRANSLATION

AGND

DATAIO

CLK RST

I/O

A step-up converter is implemented to supply both the SIM

module and the level translation circuitry to adapt logic signals

for 3 V and 5 V SIM modules. Sophisticated controls are avail-

able for power-up during battery charging, keypad interface, and

charging of an auxiliary backup battery for the real-time clock.

These allow an easy interface between ADP3405, GSM proces-

sor, charger, and keypad. Furthermore, a reset circuit and a

thermal shutdown function have been implemented to support

reliable system design.

anyCAP is a registered trademark of Analog Devices, Inc.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site:www.analog.com

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中文翻译

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与ADP3405相关器件

型号	品牌	获取价格	描述	数据表
ADP3405ARU	ADI	获取价格	GSM Power Management System
ADP3405ARU-REEL	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, 4.40 MM, TSSOP-28
ADP3405ARU-REEL	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, 4.40 MM, TSSOP-28, Power Management Circuit
ADP3405ARU-REEL7	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28, 4.40 MM, TSSOP-28
ADP3408	ADI	获取价格	GSM Power Management System
ADP3408ACP-1.8	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32, 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-
ADP3408ACP-1.8-RL	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32, 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-
ADP3408ACP-1.8-RL7	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32, 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-32
ADP3408ACP-2.5-RL7	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32, 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-32
ADP3408ARU-1.8	ETC	获取价格	Analog IC

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