YT4057 线性锂离子电池充电器

PublishTime：2025-03-15

YT4057是一款线性锂离子电池充电器，具备完整的涓流/恒定电流/恒定电压三段充电模式。它适用于各种USB电源和适配器电源工作环境，具有高耐压能力。该充电器采用内部PMOSFET架构和防倒充电路，无需外部检测电阻器和隔离二极管。它通过热反馈调节充电电流，限制芯片温度，并在充电电压达到4.2V时自动结束充电。当输入电压被移除时，YT4057会进入低电流状态，将电池漏电流降至2uA以下。此外，它还具备防反接功能、充电电流监测、欠压闭锁、自动再充电和充电状态显示等功能。

Brand of Product：	ChipSourceTek
Part#：	YT4057 More Part#
Product Category：	线性锂离子电池充电器、锂电池充电器 More
Application：	[ 锂电池充电器 ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：	SOT23-6L
Language：	English Chinese Chinese and English Japanese
Date of Creation：
Version Number：	Rev 1.0
Data Encoding：
Data Size：	918 KB

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