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RT7209、RT7209 与 RT7209（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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<div class="spec-list"><ul class="lv1"><li>Protocol Support - USB PD3.2 SPR, PPS, EPR and AVS - Universal Fast Charging Specification (UFCS) - Proprietary Protocols </li><li>Suited for 3.3V to 53V V<sub>VDD</sub> Range </li><li>Embedded MCU with an OTP-ROM of 16kB, and a SRAM of 2kB </li><li>Built-In Shunt Regulators for Constant Voltage and Constant Current Control </li><li>Built-In Feedback Compensation </li><li>Built-In V<sub>CONN</sub> Power (100mW) </li><li>The BLD Pin for Quick Discharge of Output Capacitor </li><li>Support Programmable Cable Compensation </li><li>Support VIN (Vbulk) Detection </li><li>The USBP Pin for Direct Drive of External Blocking N-MOSFET </li><li>Power-Saving Mode in Standby Mode </li><li>Protection - Adaptive Output Overvoltage Protection - Adaptive Output Undervoltage Protection - CC1/CC2/D+/D- Overvoltage Protection - Programmable Overcurrent Protection - Programmable Constant Current Protection - Programmable Over-Temperature Protection - Internal Over-Temperature Protection </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>USB Type-C PD Controller for Chargers/Adapters of Smartphone, Tablet, Notebook, and Other Electronics </li></ul></div>
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