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Product Spec Banner
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RT7885是将USB PD协议处理器、双向Buck-Boost控制器和其他众多功能集成于一体的单晶片移动电源解决方案，采用了可程式控制工作频率和电流限制阈值的峰值电流模式控制架构，内置ARM Cortex™-M0 MCU，可支援各种通讯协定、保护功能和其他使用者所需要的功能。它内建的电荷泵电路支援对外接低成本N-MOSFET路径管控开关的控制，是移动电源在实现对USB PD协定的支援同时还具有最少化的周边元件数的解决方案。
RT7885 电路图
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<div class="spec-list"><ul class="lv1"><li>可支援的协议 <ul class="lv2"> <li></li><li>支援USB-C型介面和PD协定应用 </li><li>支援DRP双重角色应用 </li><li>支援通过DP/DM传输的其他私有协定 </li></ul> </li><li>支持对2~4节串联的电池进行充电 <ul class="lv2"> <li></li><li>支持恒流/恒压充电、终止充电、预充电和充电计时器溢出保护功能 </li><li>可实施电芯间的均衡管理 </li></ul> </li><li>双向Buck-Boost控制器的特性 <ul class="lv2"> <li></li><li>峰值电流模式控制架构 </li><li>可程式控制工作频率 </li><li>对充电、放电模式下电压、电流均可进行程式设定 </li><li>使用PSM模式提升轻载效率 </li><li>可程式控制的缆线压降补偿 </li></ul> </li><li>使用硬体和固件实施的保护 <ul class="lv2"> <li></li><li>可调节的转换器输入电流限制 </li><li>可程式控制的过压保护和欠压保护 </li><li>可调节的周边过热保护 </li></ul> </li><li>支援主/从模式的I<sup>2</sup>C介面，LED驱动器，GPIO端子 </li><li>内建VBUS快速放电电路 </li><li>可经CC1/2或I<sup>2</sup>C介面实施线上固件更新 </li><li>WQFN-60L 7x7封装 </li><li>通过USB PD3.0/PPS认证（TID 2319） </li></ul></div>
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RT7885 订购信息
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RT7885
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RT7885
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<div class="spec-list"><ul class="lv1"><li>使用USB-C型介面和PD协定的移动电源 </li></ul></div>
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