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RT9467是适合便携式应用的开关模式单节锂离子/聚合物电池充电器，整合了同步 PWM 控制器、功率开关、输入电流检测、高精准度电压调节和充电终止电路，充电电流通过整合感测电阻器调节，支持 USB On-The-Go (OTG) 应用。RT9467整合了D+/D-引脚，用于USB主机/充电端口检测。</br>RT9467以经过优化的控制策略进行不同模式下的充电速度调节，其模式包括预充模式及快充模式 (恒压与恒流)，所有关键的充电参数均可经过 I<sup>2</sup>C 接口进行程序设计。充电结束以后的电池电压下将到默认的阈值以下时，RT9467会重启充电流程以弥补其电能损失。当外部电源移除以后，RT9467自动进入睡眠模式以降低电池消耗。</br>它还具有欠压保护、过压保护、温度调节和反向漏电保护等功能。</br>RT9467封装为 WQFN-24L 4x4。
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<div class="spec-list"><ul class="lv1"><li>高效能5A，1.5MHz开关式充电器，带输出电感DFE252012F，TOKO <ul class="lv2"> <li></li><li>充电效率在ICHG = 2A时为90.25% </li><li>充电效率88.86%，在ICHG = 3A </li><li>充电效率在ICHG = 5A时为84.2% </li></ul> </li><li>同步1.5MHz / 0.75MHz固定频率PWM控制器，责任周期高达95% </li><li>BATFET控制的电源路径管理 </li><li>支持高电压输入 (9V / 12V) </li><li>支持高压输入转接器 (Pump Express 1.0 / 2.0) </li><li>支持从充电器输出到电池端子的IR补偿功能 </li><li>优化输入源功能以防止过载 <ul class="lv2"> <li></li><li>通过I<sup>2</sup>C进行AICR电流限制设置 </li><li>电流限制设置的ILIM引脚 </li><li>平均输入电流限制测量 </li></ul> </li><li>电池漏电减少的运输模式 <ul class="lv2"> <li></li><li>唤醒系统，退出运输模式，并通过<span class="overline">QON</span>引脚重启系统 </li></ul> </li><li>自动充电 </li><li>平均输入电流调节 (AICR)：0.1A至3.25A，50mA步阶 </li><li>充电电流调节精准度：±7% </li><li>充电电压调节精准度：±1% (0至85°C) </li><li>整体系统注意事项的保护 <ul class="lv2"> <li></li><li>降低电流和过温保护的热调节 </li><li>输入过压保护 </li><li>输入错误转接器保护 </li><li>电池过压保护 </li></ul> </li><li>支持ADC转换 <ul class="lv2"> <li></li><li>VBUS，VBAT，VSYS，REGN，TS_BAT，IBUS，IBAT，TEMP_JC </li></ul> </li><li>INT输出，通过I<sup>2</sup>C与主机通讯 (Watch Dog/轮询功能) </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>手机 </li><li>个人信息设备 </li><li>平板计算机、行动电源 </li><li>可携式仪器 </li></ul></div>
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