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RT9513 是适合可擕式产品使用的集成化、低成本单节锂离子电池充电 IC,最适合采用交流电源转接器为之供电。当交流电源转接器被移除时,RT9513 进入睡眠模式。RT9513 采用优化的控制演算法完成充电过程,可自动选择预充模式、快充模式和恒压模式进行充电,当充电电流下降到预设的阈值时,充电过程即自动终止。它的充电电流可用外部电阻进行设定,最大值可达 1A 。内部整合的热回馈电路对内核温度进行调节以确保在任何可用环境温度范围内以最佳速率进行充电。RT9513 可以承受最高达 18V 的输入电压,其它特性包括欠压保护和输入过压保护。
RT9513 电路图
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<div class="spec-list"><ul class="lv1"><li>交流电源转接器输入端最高耐压为 18V </li><li>内部集成 P-MOSFET </li><li>交流电源转接器电源正常指示 </li><li>充电状态指示 </li><li>欠压保护 </li><li>过压保护 </li><li>自动复充 </li><li>小型10引脚 WDFN 封装 </li><li>热回馈优化充电速率 </li><li>符合 RoHS 规范,不含卤素 </li></ul></div>
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RT9513 订购信息
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<div class="spec-list"><ul class="lv1"><li>Digital Cameras </li><li>Cellular Phones </li><li>Personal Data Assistants (PDAs) </li><li>MP3 Players </li><li>Hand Held PCs </li></ul></div>
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