Datasheet > LD8108A

LD8108A

更新时间： 2024-11-10 01:21:23

品牌	Logo	应用领域
通嘉科技 - LEADTREND		/
页数	文件大小	规格书
13页	971K
描述
AC/DC Speedy Chargeâ¢ Controller for Charge 2.0 USB Interface

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LD8108A 数据手册

LD8108A

08/02/2016

AC/DC Speedy Charge™ Controller for

Qualcomm® Quick Charge 2.0 USB Interface

REV. 00

General Description

Features



Speedy Charge^TMtechnology

The LD8108A is an AC/DC Speedy Charge™

controller for Qualcomm® Quick Charge™ 2.0 (QC2.0)

USB interface receiver for High Voltage Dedicated

Charging Port (HVDCP) charger solution.



Compatible with Qualcomm® Quick Charge™ 2.0

class-A portable devices charger solution

Fast discharging from HVDCP voltage to 5V

Active dummy load for PSR controller

Secondary side over temperature detection

Low operating current



The device can receive QC2.0 signal from D+ and D-

of USB interface for HVDCP control. Paired with LD5718A

series primary-side regulation (PSR) controllers, LD8108A

will send the digital data by a single photocouplier to PSR

controller and change output regulation.

VCC max. rating up to 30V

Applications

LD8108A provides typical 300mA discharging current

for output from HVDCP voltage to 5V in order to meet a

short discharge time. Active dummy load function is built

in LD8108A to keep output regulation while in no load

condition. LD8108A implements temperature detection

function which will send digital data to shutdown PSR

controller during over temperature condition.



Quick Charge™ 2.0 based HVDCP charger



AC/DC Speedy Charger for Smart phone and Tablet

The LD8108A is available in both SOP-8 package.

Typical Application

Input

EMI

Filter

Input

DIS

VCC

OUT

LD8108A

DET

OPTOD

OTD

D+

D-

GND

LD5718A

NTC

COMP

OPTO/

OTP

GND

NTC

Leadtrend Technology Corporation www.leadtrend.com.tw

LD8108A-DS-00 August 2016

12 3 4 5 6 7...13

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