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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。
/content/dam/richtek-eds/resources/product-specifications/rt94/rt9481/images/circuit/59510hkdjy.jpg
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<li class="mv5"><p>系统</p></li><li class="mv5">高精准度电压和电流调节<br>►充电电压调节精度:±1%<br>►充电电流调节精度:±0.1A<br>►±3%升压USBOUT电压</li><li class="mv5">过温保护</li><li class="mv5">反向漏电保护功能，预防电池漏电</li><li class="mv5">内置USBOUT DCP 控制器</li><li class="mv5">内置USBOUT 连接/分离检测</li><li class="mv5">内置USBOUT 轻载检测</li><li class="mv5">内置电流调节负载开关</li><li class="mv5">热调节及输出电流短路保护</li><li class="mv5">内置符合BC1.2检测的电源转接器</li><li class="mv5">内置精准的ADC以测量VBAT, VBUS, TS, IBAT , USBOUT和IUSBOUT</li><li class="mv5">内置线性稳压器 (LDO)</li><li class="mv5">事件通知时输出中断</li><li class="mv5">搭配400kHz的I<SUP>2</SUP>C接口<br><p>充电模式</p></li><li class="mv5">充电电压调节:3.65V~4.6V</li><li class="mv5">充电电流调节:0.7A~2.7A</li><li class="mv5">最小输入电压调节(MIVR):4.2V~4.8V</li><li class="mv5">一般输入电流调节(AICR):0.1A~2A</li><li class="mv5">充电终端电流:0.7A~2.7A</li><li class="mv5">预充门坎:2.3V~3.8V</li><li class="mv5">预充电流:0.2A~0.5A</li><li class="mv5">热调节</li><li class="mv5">VMID欠压保护</li><li class="mv5">VBUS过压保护</li><li class="mv5">电池过压保护</li><li class="mv5">不良电源转接器检测<br><p>升压模式</p></li><li class="mv5">升压输出电流高达3A</li><li class="mv5">升压输出电压:3.65V~5.2V</li><li class="mv5">电池欠压保护:2.5V~3.2V</li><li class="mv5">VMID过压保护</li>
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