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RT7885 是将 USB PD 协议控制器和双向 Buck-Boost 控制器集成于一体的移动电源完全解决方案，使用了电流限制可调、工作频率可调的峰值电流模式控制架构，其内含的 ARM Cortex™-M0 MCU 可完成通讯协议处理、保护和客户定义的各种功能，内建的电荷泵可驱动低成本的 N-MOSFET 以实现电源路径管理，是外部元件少、成本低廉的移动电源支持 USB PD 应用的最佳选择。
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<div class="spec-list"><ul class="lv1"><li>对通讯协议的支持 <ul class="lv2"> <li></li><li>支持 USB-C 型接口和 PD 协议 </li><li>支持双重角色电源（DRP）应用 </li><li>支持通过 DP/DM 实施的私家协议 </li></ul> </li><li>对 2~4 节串联电池的支持 <ul class="lv2"> <li></li><li>恒流/恒压充电、充电终止、复充和充电超时保护 </li><li>电芯间的均衡控制 </li></ul> </li><li>双向 Buck 或 Boost 特性 <ul class="lv2"> <li></li><li>峰值电流模式控制架构 </li><li>工作频率可程控 </li><li>充电模式和供电模式下的输出电流、电压均可程控 </li><li>以脉冲跨越模式（PSM）提升轻载效率 </li><li>可程控实施缆线压降补偿 </li></ul> </li><li>以硬件和固件为基础的保护特性 <ul class="lv2"> <li></li><li>转换器输入电流限制阈值可调 </li><li>过压保护和欠压保护阈值可调 </li><li>外围过热保护阈值可调 </li></ul> </li><li>I<sup>2</sup>C 接口支持 Master/Slave 模式 </li><li>提供 LED 驱动器和 GPIO 接口 </li><li>内建支持 VBUS 快速放电的泄流电路 </li><li>可经 CC1/2 或 Slave I<sup>2</sup>C 接口实施固件在线更新 </li><li>WQFN-60L 7x7 封装 </li><li>通过 USB PD DRP PD3.0/PPS 认证 （TID 2319） </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>USB-C/PD 移动电源 </li></ul></div>
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