Datasheet > MAX14578AEEWCT

MAX14578AEEWCT

更新时间： 2022-02-26 10:43:31

品牌	Logo	应用领域
美信 - MAXIM		电池
页数	文件大小	规格书
23页	2559K
描述
USB Battery Charger Detectors

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MAX14578AEEWCT 数据手册

EVALUATION KIT AVAILABLE

MAX14578E/MAX14578AE

USB Battery Charger Detectors

General Description

Features

S Compliant to USB Battery Charging Revision 1.1

The MAX14578E/MAX14578AE are USB charger detec-

tors compliant with USB Battery Charging Revision 1.1.

The USB charger-detection circuitry detects USB stan-

dard downstream ports (SDPs), USB charging down-

stream ports (CDPs), or dedicated charger ports (DCPs),

and controls an external lithium-ion (Li+) battery charger.

S Data Contact Detection for Foolproof Connector

Insertion Detection

S USB Dead-Battery Charging Support

S Charging Downstream Detection

S Apple/Sony Charger Detection

The devices implement USB Battery Charging Revision

1.1-compliant detection logic including data contact

detection, D+/D- short detection, charging downstream

port identification, and optional USB dead-battery charg-

ing support. Dead-battery charging support features a

45-minute (max) charge timer and weak battery voltage

S Dedicated Charger Detection

S China YD/T1591-Compliant Charger Detection

S Internal Switches Isolate the USB Transceiver

During the Charger Detection Process

monitor controlled by I C communication (MAX14578E

S V

Connection Capable of 28V

BUS

only.) The MAX14578AE features an enable (EN) input

S Device Status Change Interrupt

S Low Supply Current

and an LDO output.

In addition, the internal USB switch is compliant to

Hi-Speed USB, full-speed USB, and low-speed USB

signals. The devices feature low on-resistance, low

on-resistance flatness, and very low capacitance. The

devices also feature high-ESD protection up to Q15kV

Human Body Model on the CD+ and CD- pins.

S High-ESD Protection on CD+ and CD-

15ꢀV Human Body ꢁodel

8ꢀV IEC ꢂ1ꢃꢃꢃ-ꢄ-2 Contact Discharge

Applications

DSC and Camcorder

Media Players

In addition, the MAX14578E/MAX14578AE feature Apple

and Sony charger detection that allows identification of

resistor-divider networks on D+/D-.

Cell Phones

The MAX14578E/MAX14578AE are available in both a

12-bump, 0.4mm pitch, 1.3mm x 1.68mm WLP package

and 16-pin TQFN package, and operate over the -40NC

to +85NC extended temperature range.

e-Book Readers

Mobile Internet Devices (MIDs)

Ordering Information/Selector Guide

PART

I C

Yes

LDO

TEꢁP RANGE

-40NC to +85NC

PIN-PACKAGE

12 WLP

TOP ꢁARK

+ABW

AJA

ꢁAX1ꢄ578EEWC+T

MAX14578EETE+T

ꢁAX1ꢄ578AEEWC+T

MAX14578AEETE+T

16 TQFN-EP*

12 WLP

Yes

+ABX

16 TQFN-EP*

AJB

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

T = Tape and reel.

For pricing, delivery, and ordering information, please contact Maxim Direct at

1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.

19-5821; Rev 2; 9/12

12 3 4 5 6 7...23

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