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RTQ7880A-QT 是将 USB-C 型端口控制器、PD 协议处理器、Buck-Boost 控制器和众多功能集成在一起的集成电路,可以作为 USB PD 电源供应器来使用。它内置ARM Cortex™-M0 MCU,可完成各种不同协议的收发处理,完成 Buck-Boost 转换器的智能控制,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均以硬件为基础,可进行电感峰值电流限制、VBUS 过压保护、输出欠压保护、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、外围组件少,PCB 设计简单、容易。
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<li class="mv5">支持 PD 协议的 USB-C 型接口供电端应用</li><li class="mv5">通过 AEC-Q100 Grade 2 认证</li><li class="mv5">工作环境温度范围:-40°C~105°C</li><li class="mv5">支持 USB-C/PD 和其他通讯协议<BR>►符合 USB PD 3.0 规范、USB Type-C 电缆和连接器规范1.2<BR>►支持替代模式,提供 V<SUB>CONN</SUB> 输出<BR>►通过 DP/DM 支持各种私有协议</li><li class="mv5">集成 Buck-Boost 控制器<BR>►输入电压范围:4V~36V<BR>►峰值电流模式 PWM 操作<BR>►可程控 PWM 工作频率范围:200kHz~600kHz<BR>►通过使用 PSM 模式提高轻载效率,亦可选择强制连续导通模式</li><li class="mv5">AnyPower<sup>TM</sup> 技术支持恒压 (10 位分辨率)、恒流 (9 位分辨率) 输出设定</li><li class="mv5">PDsafe<SUP>®</SUP> 特性<BR>►转换器输入电流限制可调<BR>►可程控的 V<SUB>BUS</SUB> 过压保护和 VO 欠压保护<br>►可调节的外部过热保护<br>►VCONN1/2 输出电流限制</li><li class="mv5">对 VBUS 电缆压降进行补偿</li><li class="mv5">I<SUP>2</SUP>C 接口支持 Master 和 Slave 设定</li><li class="mv5">GPIO 可供 MUX 控制和用户自定义功能使用</li><li class="mv5">内置输出泄流器,用于快速 V<SUB>BUS</SUB> 放电</li><li class="mv5">内置电荷泵,用于驱动具有成本优势的 N-MOSFET </li><li class="mv5">采用 WET-WQFN-48L 6x6 封装</li><li class="mv5">通过 I<SUP>2</SUP>C 接口的 Slave 模式实现软件在线更新</li><li class="mv5">通过 USB PD3.0/PPS 认证(TID 1080016)</li>
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<li class="mv5">车用 USB-C 型接口 PD 协议充电器</li>
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