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HT4936S 데이터시트(PDF) 1 Page - Hotchip Technology Co.,Ltd

부품명 HT4936S
상세설명  The built-in maximum 1 A linear charging mode of charging current is adjustable
PDF  7 Pages
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제조업체  HOTCHIP [Hotchip Technology Co.,Ltd]
홈페이지  http://www.hotchip.com.cn/English/Index/index.html
Logo HOTCHIP - Hotchip Technology Co.,Ltd

HT4936S 데이터시트(HTML) 1 Page - Hotchip Technology Co.,Ltd

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HT4936S
1/7
移动电源管理方案
www.hotchip.com.cn
Ver1.1
典型应用电路图
产品概述
HT4936S 是一款新构架的单片移动电源管
理芯片,采用先进的充放端口共用技术,以及
同步整流技术,外围元件少,性能优秀,可以
组建出良好的 1A-in/1A-out 4LEDs 移动电源。
主要特点
◆ 内置最大 1A 线性充电模式,充电电流外部可
调;
◆ 涓流/恒流/恒压三段式充电,4.20V/4.35V 可
选,支持对 0V 电池充电;
◆ 内置充电能根据温升自动降低充电电流,130
度开始下降,最低可降至 0;
◆ 升压使用同步整流电路,效率最高超过
90%,发热低,固定 5.1V 输出,不需要外部
电 阻设置;
◆ 升压输出电流 1A(BTP=3.6V);
◆ 具有恒功率输出功能,有完整的过流,短路
保护,内置温度保护过温自动停止升压;
◆ 负载插入自动启动升压,负载移除自动休
眠;
◆ 四灯指示方式,更准确指示电池电量,同时
具备电池低压提醒功能;
◆ 具有一个设置苹果 D+,D-分压电阻设置端口
DPDN,具备一个 NTC 设置端口,可以控
制系统安全工作温度
◆ 可以直接驱动 LED 手电灯,驱动电流 50mA
◆ 固定开关频率 1MHZ;
◆ 电池过充、过放保护;
◆ 4KV ESD;
◆ SOP16 封装;
典型应用
◆ 移动电源
◆ 各种备用电源
◆ 锂电池充电器与电量指示


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