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RT7209、RT7209B 与 RT7209C（RT7209 系列）是高度集成的可编程控制器，具备内部反馈补偿与 V5（供内部 MCU 使用的稳压电压）。RT7209 系列具有 3.3V 至 53V 的宽广工作电压范围，支持 USB PD3.2 SPR 与 EPR 48V 规范。内部 MCU 旨在符合标准 USB PD 协议、Universal Fast Charging Specification (UFCS) 以及专有协议。此控制器专为离线式 AC-DC 转换器设计，以在快速充电系统中实现高功率密度。内置反馈补偿不仅可减少对外部元件的需求，亦可提升瞬态响应。基于安全考量，RT7209 系列提供完整的保护功能。建议结温范围为 -40°C 至 125°C，环境温度范围为 -40°C 至 105°C。
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<li class="mv5"> Protocol Support<br /> - USB PD3.2 SPR, PPS, EPR and AVS<br /> - Universal Fast Charging Specification (UFCS)<br /> - Proprietary Protocols<br /> </li><li class="mv5"> Suited for 3.3V to 53V V<sub>VDD</sub> Range<br /> </li><li class="mv5"> Embedded MCU with an OTP-ROM of 16kB, and a SRAM of 2kB<br /> </li><li class="mv5"> Built-In Shunt Regulators for Constant Voltage and Constant Current Control<br /> </li><li class="mv5"> Built-In Feedback Compensation<br /> </li><li class="mv5"> Built-In V<sub>CONN</sub> Power (100mW)<br /> </li><li class="mv5"> The BLD Pin for Quick Discharge of Output Capacitor<br /> </li><li class="mv5"> Support Programmable Cable Compensation<br /> </li><li class="mv5"> Support VIN (Vbulk) Detection<br /> </li><li class="mv5"> The USBP Pin for Direct Drive of External Blocking N-MOSFET<br /> </li><li class="mv5"> Power-Saving Mode in Standby Mode<br /> </li><li class="mv5"> Protection<br /> - Adaptive Output Overvoltage Protection<br /> - Adaptive Output Undervoltage Protection<br /> - CC1/CC2/D+/D- Overvoltage Protection<br /> - Programmable Overcurrent Protection<br /> - Programmable Constant Current Protection<br /> - Programmable Over-Temperature Protection<br /> - Internal Over-Temperature Protection</li>
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<li class="mv5"> USB Type-C PD Controller for Chargers/Adapters of Smartphone, Tablet, Notebook, and Other Electronics</li>
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