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SE9093 Datasheet(PDF) 1 Page - Seaward Electronics Inc.

Part # SE9093
Description  8-Pin PMU with Linear Charger and Synchronous Boost
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Manufacturer  SEAWARD [Seaward Electronics Inc.]
Direct Link  http://www.seawardinc.com
Logo SEAWARD - Seaward Electronics Inc.

SE9093 Datasheet(HTML) 1 Page - Seaward Electronics Inc.

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北京思旺电子技术有限公司 • www.seawardinc.com.cn • 第 1 页
SE9093
8-Pin PMU with Linear Charger and Synchronous Boost
典型应用电路
产品描述
SE9093 是一款可应用于移动电源的紧凑型
PMU,将充电管理、充电指示,以及同步升压 DC-DC
功能集成于一体,尤其适用于小体积移动电源以及其
他便携式电子设备。
内置充电管理,按照标准的涓流、恒流、恒压
三段式充电方式对电池进行充电,有效保障充电安
全以及电池使用寿命,并确保电池达到满充电量.
恒压充电精度高,可达
±1%。
内置同步升压DC-DC,内部集成功率开关,外
部仅需电感电容即可实现完整的升压功能,无需外
接Schottky二极管。高达1MHz的开关频率,使得外
部电感2.2uH即可满足要求。内置短路以及过流保
护功能,无需外部开关器件即可独立实现输出短路
保护功能,在异常负载接入的情况下仍然能保障系
统安全,可靠。
驱动两颗LED指示灯,分别指示充电和升压输
出轻载的状态。
产品特性
内置线性充电管理
内置同步升压DC-DC
固定700mA恒流充电
4.2V满充电压,
±1%精度
升压DC-DC负载可达1A
固定1MHz开关频率
内部集成同步升压功率开关,
无需外挂Schottky二极管
当输出短路时能够自动限流并保护
系统空载功耗不高于150uA
充电以及放电指示
外围器件极少,大幅降低方案成本
PSOP-8L封装形式
绿色环保无卤HF封装
产品应用
移动电源
平板电路


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