Datasheet > AAT3601IIH-T1

AAT3601IIH-T1

更新时间： 2024-02-04 13:13:57

品牌	Logo	应用领域
ANALOGICTECH		便携式
页数	文件大小	规格书
37页	981K
描述
Total Power Solution for Portable Applications

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数据手册

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AAT3601IIH-T1 数据手册

PRODUCT DATASHEET

AAT3601178

Total Power Solution for Portable Applications

General Description

Features

•

The AAT3601 is a member of AnalogicTech’s Total Power

Management IC^TM(TPMIC^TM) product family. It contains a

single-cell Lithium Ion/Polymer battery charger, a fully

integrated step-down converter and 5 low dropout (LDO)

regulators. The device also includes 2 load switches for

dynamic power path/sleep mode operation, making it

ideal for small portable short-range communications

enabled mobile devices and telephones.

Voltage Regulator V_INRange: 4.5V to 6V

Complete Power Integration

Integrated Load Switches to Power Converters from

AC Adapter or Battery Automatically

Low Standby Current

▪

•

200μA (typ) w/LDO1, LDO2 and LDO5 Active,

No Load

▪

One Step-Down Buck Converter (NP)

1.24V, 300mA Output

1.5MHz Switching Frequency

▪

The battery charger is a complete thermally regulated

constant current/constant voltage linear charger. It

includes an integrated pass device, reverse blocking pro-

tection, high accuracy current and voltage regulation,

charge status, and charge termination. The charging

current and the charge termination current as well as

recharge voltage are programmable with either an exter-

nal resistor and/or by a standard I²C interface.

▪

Fast Turn-On Time (120μs typ)

▪

Five LDOs Programmable by I²C

•

LDO1: 3.4V, 150mA (PE)

LDO2: 3.4V, 300mA (NP)

LDO3: 1.24V, 300mA (PE)

LDO4: 1.85V, 300mA (NP)

LDO5: 1.85V, 300mA (PE)

PSRR: 60dB @10kHz

Noise: 50μVrms

▪

The step-down DC/DC converter is integrated with inter-

nal compensation and operates at a switching frequency

of 1.5MHz, thus minimizing the size of external compo-

nents while keeping switching losses low and efficiency

greater than 95%. All LDO output voltages are program-

mable using the I²C interface.

▪

•

One Battery Charger

Digitized Thermal Regulation

Charge Current Programming up to 1.4A

Charge Current Termination Programming

Automatic Trickle Charge for Battery Preconditioning

▪

The five LDOs offer 60dB power supply rejection ratio

(PSRR) and low noise operation making them suitable for

powering noise-sensitive loads. The LDOs and DC/DC

converter are separated into Permanent-Enabled (PE)

and Non-Permanent (NP) enabled supplies.

(2.8V Cutoff)

Watchdog (WDI) Timer Input

Two Reset (RSTIN, RSTLPW) Timer Outputs

▪

•

Separate Enable Pins for PE and NP Supplies

Digital Programming of Major Parameters via I²C

Over-Current Protection

Over-Temperature Protection

5x5mm TQFN55-36 Package

All six voltage regulators operate with low quiescent cur-

rent. The total no load current when the 3 PE LDOs are

enabled is only 200μA.

The device includes a watchdog timer input and two

reset outputs for the watchdog and LDO regulation. The

device also can be programmed through a standard I²C

interface.

Applications

•

Digital Cameras

GSM or CDMA Cellular Phones

Handheld Instruments

PDAs and Handheld Computers

Portable Media Players

Short-Range Communication Headsets

The AAT3601 is available in a thermally enhanced low

profile 5x5x0.8mm 36-pin TQFN package.

w w w . a n a l o g i c t e c h . c o m

3601.2008.07.1.1

12 3 4 5 6 7...37

中文翻译

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与AAT3601IIH-T1相关器件

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AAT3603	ANALOGICTECH	获取价格	Total Power Solution for Portable Applications
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AAT3607INJ-T1	SKYWORKS	获取价格	Power Supply Support Circuit, Adjustable, 6 Channel, TDFN-28
AAT3608IIC-1-T1	SKYWORKS	获取价格	Power Supply Management Circuit, Adjustable, 8 Channel, TQFN-40
AAT3608IIC-1-T1	ANALOGICTECH	获取价格	Power Management Circuit,
AAT3620IWO-4.2-T1	SKYWORKS	获取价格	Power Supply Management Circuit, PDSO14,
AAT3663	ANALOGICTECH	获取价格	1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
AAT3663_08	ANALOGICTECH	获取价格	1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications
AAT3663-4.2-1	ANALOGICTECH	获取价格	1A Linear Li-Ion Battery Charger for Single and Dual Cell Applications

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