9017S datasheet, PDF - EEWORLD Datasheet

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9017S: CategoryPower/power management Battery power management chip; File Size505KB，6 Pages; ManufacturerFine Made Electronics Group Co., Ltd.; Websitehttp://www.superchip.cn/index.aspx; Shenzhen Fuman Electronics Group Co., Ltd. was founded in 2001. It is a national high-tech enterprise engaged in the design, development, packaging, testing and sales of high-performance analog and mixed-signal integrated circuits. It currently has more than 400 IC products in the consumer field, including power management, LED driver, MOSFET, etc.

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此文档权利由FM富满享有,您也可访问FM富满官方½站获取；立创商城 WWW.SZLCSC.COM,中½领先的现货元器件交易平台。

深圳市富满电子集团股½有限公司

SHEN ZHEN FINE MADE ELECTRONICS GROUP CO., LTD.

9017S

(文件编号：S&CIC1697)

一、

概述

USB 充电器 IC

9017S

是一款单节锂电池恒流、恒压线性充电

IC，它½快速充电，并最大化地延长电池寿½。9017S

监测电池的

情况，½电池电压½于

2.9V

时，进入预充电状态。预充电电流可通过外部电阻在

7.5mA

到

120mA

的任意范围内设

½。预充电状态会½电池保持良½状况，并延长电池寿½。½电池电压超过

2.9V，9017S

将自动½换为恒流(CC)充

电周期。½电池接近完全饱和，9017S 将自动½换为恒压(CV)的充电周期。在恒压充电周期，充电电流将会减小½电

池逐渐饱和而没有过饱和的危险。9017S 确保锂电充满，½不会进入过饱和状态。在充电完成后，9017S 将进入关闭

模式，降½内部耗电量到小于

35uA。这一特点½ 9017S

½够应用到便携式设备的内部，并在设备不工½时几乎不消

耗任½½量。

9017S

也提供了片内温度保护。½温度达到预定值时，9017S 将减少充电电流½温度逐渐降½。为电池充电提供

适½的保护。

二、



特点



集成完整的充电状态显示功½，简化外围电路。

2.9V的涓流充电门限。

关断模式下供电电流为35uA。

具有过热保护功½。

可抗2KV以上ESD。

采用SOT23-6（9017S）封装½式。

充电电流最大可调整到500mA。

不需要外接MOSFET、电阻或阻塞二极管。

带热保护的恒流/恒压操½最大限度保证充电速度

而无过热的危险。

直接从USB接口为单节锂电池充电。

VBAT端输出预设充电电压4.2V，±1.5%的精度。

自动再充电功½、线性充电

三、



产品应用

手机、MP3、掌上电脑；

四、

管脚图及功½说明

CHRG

GND

BAT

VDD

PROG

CHRGT

VCC

SOT23-6

VBAT

CHRGT

PROG

CHRG

GND

PSOP-8(Exposed Pad)

名称

CHRG

GND

BAT

功½说明

充电指示脚

地

充电电流输出脚

名称

PROG

CHRGT

VCC

功½说明

充电电流预设脚

充电完成指示脚

电源脚

www.superchip.cn

第

页共

页

Version 1.0 May 2019

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