Datasheet > ADP3502

ADP3502

更新时间： 2024-02-14 14:02:52

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
36页	671K
描述
CDMA Power Management System

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ADP3502 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	7 X 7 MM, 1 MM HEIGHT, PLASTIC, MS-026ABD, TQFP-64
针数：	64	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.88	可调阈值：	YES
模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT	JESD-30 代码：	S-PQFP-G64
JESD-609代码：	e0	长度：	7 mm
信道数量：	4	功能数量：	1
端子数量：	64	最高工作温度：	85 °C
最低工作温度：	-30 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TFQFP	封装等效代码：	TQFP64,.35SQ,16
封装形状：	SQUARE	封装形式：	FLATPACK, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	3.6,5/12 V
认证状态：	Not Qualified	座面最大高度：	1.2 mm
子类别：	Power Management Circuits	最大供电电流 (Isup)：	0.7 mA
最大供电电压 (Vsup)：	12 V	最小供电电压 (Vsup)：	5 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
温度等级：	OTHER	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.4 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7 mm	Base Number Matches：	1

ADP3502 数据手册

CDMA Power Management System

ADP3502

FEATURES

FUNCTIONAL BLOCK DIAGRAM

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

LOGIC

ANALOG

BLOCK

BATTERY

CHARGER

POWER ON

KEYPAD I/F

GPIO

DELAY 10ms

INTERRUPT

CONTROL

REFERENCE

LDO

CONTROL

LDO1TO LDO11

Ambient Temperature: –30؇C to +85؇C

64-Lead 7 mm

7 mm

1 mm TQFP Package

VOLTAGE

DETECTOR

SERIAL I/F

RESET

APPLICATIONS

CDMA/CDMA2000/PCS Handsets

RTC

COUNTER

32kHz OUTPUT

CONTROL

ADP3502

RESET

OUTPUT

STAY-ALIVE

TIMER

GENERAL DESCRIPTION

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. Sophisticated controls are available for

power-up during battery charging, keypad interface, GPIO/INT

function, and RTC function.

The ADP3502 is optimized for CDMA handsets powered by

single-cell Li-Ion batteries. Its high level of integration sig-

nificantly reduces the design effort, number of discrete

components, and solution size/cost. The main-sub LDO

structure reduces the standby current consumption, and as a

result, greatly extends the standby time of the phone. System

operation has been proven to be fully compatible with

MSM51xx-based designs.

The ADP3502 comes in a 64-lead 7 mm × 7 mm × 1 mm

TQFP package and is specified over a wide temperature range of

–30°C to +85°C.

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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

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

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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