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RT9527L 是用于小电流充电应用的低成本单节锂离子电池充电器,它可以由交流适配器或USB端口供电,没有电源输入时则处于休眠状态。它以优化的算法完成充电过程,可有预充电、快速充电和恒压充电多种工作模式,它会处于恒压充电模式直至电池充满条件达成为止。充电电流可用一只电阻进行设定。其内部热反馈电路通过对内核温度进行调节,使充电速率在任何环境温度下都处于最有状态。其输入端 VIN 的最高耐压能力为 28V,欠压保护和过压保护功能也集成于其中。其封装为 WDFN-8L 2x2。建议的接面温度范围为-40°C至125°C,而环境温度范围则为-40°C至85°C。
输入端最高耐压 28V
集成功率 MOSFET
充电电流可调
可编程充电安全定时器
ISET 引脚短路保护
充电状态指示器
交流适配器状态正常指示器
充电终止电流是快充电流的10%
欠压保护
过压保护
热反馈优化充电速率
符合 RoHS 规范,不含卤素
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