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RTQ7880-QT是将USB-C埠控制器、PD协议处理器、Buck-Boost控制器和众多功能集成在一起的积体电路，可以作为USB PD电源供应器来使用。它内置ARM Cortex™-M0 MCU，可完成各种不同的协议收发处理，完成Buck-Boost转换器的智慧控制，实现各种保护功能和用户指定的功能。它所实现的保护功能是以硬体为基础的，可进行电感峰值电流限制、VBUS过压保护、VO欠压保护、VCONN电流限制等等，响应速度快，即使在MCU不活动时也能实施保护动作。用它形成的USB-PD供电端解决方案功能完善、性能卓越、周边元件少，PCB设计简单、容易。
RTQ7880-QT 电路图
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<div class="spec-list"><ul class="lv1"><li>支援USB-C型介面PD供电端应用 </li><li>通过AEC-Q100 Grade 2认证 </li><li>工作环境温度范围：-40°C~105°C </li><li>支持USB-C/PD和其他通讯协定 <ul class="lv2"> <li></li><li>符合USB PD 3.0规范、USB Type-C电缆和连接器规范1.2 </li><li>支援替代模式，提供V<sub>CONN</sub>输出 </li><li>通过DP/DM支援其他私有协定 </li></ul> </li><li>集成Buck-Boost控制器 <ul class="lv2"> <li></li><li>输入电压范围：4V~36V </li><li>峰值电流模式PWM操作 </li><li>可程式控制PWM工作频率范围：200kHz~600kHz </li><li>通过使用PSM模式提高轻载效率，亦可选则强制连续导通模式 </li></ul> </li><li>AnyPower<sup>TM</sup>技术支援恒压 (10位解析度)、恒流 (9位解析度) 输出设定 </li><li>PDsafe<sup>®</sup>特性 <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V<sub>BUS</sub>过压保护和VO欠压保护 </li><li>可调节的外部过热保护 </li><li>VCONN1/2输出电流限制 </li></ul> </li><li>对VBUS电缆压降进行补偿 </li><li>I<sup>2</sup>C介面支援Master和Slave设定 </li><li>GPIO可供MUX控制和用户自订功能使用 </li><li>内置输出泄流器，用于快速V<sub>BUS</sub>放电 </li><li>内置电荷泵，用于驱动具有成本优势的N-MOSFET </li><li>采用WET-WQFN-48L 6x6封装 </li><li>通过Slave模式I<sup>2</sup>C介面实现软体线上更新 </li><li>通过USB PD3.0/PPS认证（TID 1080016） </li></ul></div>
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RTQ7880-QT 订购信息
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<div class="spec-list"><ul class="lv1"><li>车用USB-C型介面PD充电器 </li></ul></div>
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