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RT9481 是供锂离子电池移动电源和其它便携式产品使用的全集成、易使用的电源方案,简称 EZPBS<sup>TM</sup> (Easy to Use Power Bank Solution)。它在单芯片的内部包含了具升压功能的切换式充电器、ADC转换器、USBOUT负荷开关、符合BC1.2检测的电源转接器、DCP控制器与LDO。
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<div class="spec-list"><ul class="lv1"><li><p>系统</p> </li><li>高精准度电压和电流调节 <ul class="lv2"> <li></li><li>充电电压调节精度:±1% </li><li>充电电流调节精度:±0.1A </li><li>±3%升压USBOUT电压 </li></ul> </li><li>过温保护 </li><li>反向漏电保护功能,预防电池漏电 </li><li>内置USBOUT DCP 控制器 </li><li>内置USBOUT 连接/分离检测 </li><li>内置USBOUT 轻载检测 </li><li>内置电流调节负载开关 </li><li>热调节及输出电流短路保护 </li><li>内置符合BC1.2检测的电源转接器 </li><li>内置精准的ADC以测量VBAT, VBUS, TS, IBAT , USBOUT和IUSBOUT </li><li>内置线性稳压器 (LDO) </li><li>事件通知时输出中断 </li><li>搭配400kHz的I<sup>2</sup>C接口<p>充电模式</p> </li><li>充电电压调节:3.65V~4.6V </li><li>充电电流调节:0.7A~2.7A </li><li>最小输入电压调节(MIVR):4.2V~4.8V </li><li>一般输入电流调节(AICR):0.1A~2A </li><li>充电终端电流:0.7A~2.7A </li><li>预充门坎:2.3V~3.8V </li><li>预充电流:0.2A~0.5A </li><li>热调节 </li><li>VMID欠压保护 </li><li>VBUS过压保护 </li><li>电池过压保护 </li><li>不良电源转接器检测<p>升压模式</p> </li><li>升压输出电流高达3A </li><li>升压输出电压:3.65V~5.2V </li><li>电池欠压保护:2.5V~3.2V </li><li>VMID过压保护 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>移动电源 </li></ul></div>
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