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RT7204E 是一款高度整合、可程式化的控制器，提供多协定支援，并具备用于恒压 (CV) 与恒流 (CC) 调节的高精度分流稳压器。内嵌 MCU 旨在灵活处理客制化功能，确保透过 CC1、CC2、D+ 与 D- 介面相容于 USB PD 协定、Universal Fast Charging Specification (UFCS) 以及专有协定。此控制器专为离线式 AC-DC 转换器设计，以实现快速充电系统的高功率密度。RT7204E 配备整流侦测功能，可感测 AC 输入电压并自适应配置功率额定值。此外，它会监测 PWM 切换状态以侦测 AC OFF 状况。基于安全考量，RT7204E 提供完整的保护功能，包括 Limited Power Source (LPS) 保护与精准的内部过温保护 (OTP)。此外，RT7204E 亦可透过 I<sup>2</sup>C 通讯在多埠应用中共享输出功率。建议接面温度范围为 −40°C 至 125°C，环境温度范围为 −40°C 至 105°C。
RT7204E 电路图
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<div class="spec-list"><ul class="lv1"><li>Protocol Support - USB PD 3.1 and PPS - Universal Fast Charging Specification (UFCS) - Proprietary Protocols </li><li>Highly Integrated - Suited for 3V to 21V VDD Range - Built-In Shunt Regulators for Constant Voltage and Constant Current Control - Built-In 11-bit Analog-to-Digital Converter (ADC) - Built-In Linear Regulator - Built-In Blocking N-MOSFET Driver with Soft-Start for Capacitive Load - VDD Quick Discharge for Output Capacitor - Built-In Output Bleeder for Quick VBUS Discharge - Support High-Side Current Sensing - Support Programmable Cable Compensation - Support Input Voltage (V<sub>IN</sub>) Detection - Support Slave I<sup>2</sup>C Communication - Built-In V<sub>CONN</sub> Power and Switches - <5mA Operating Current in Normal Mode - <2mA Operating Current in Idle Mode - <1mA Operating Current in Green Mode </li><li>Protection - VDD Adaptive Output Overvoltage Protection - VDD Adaptive Undervoltage Protection - USBP Undervoltage Protection - CC1/CC2/D+/D-/RT/VTR/GPIO Overvoltage Protection - Short-Circuit Protection - Overcurrent Protection - Constant Current Protection - Over-Temperature Protection - Limited Power Source (LPS) Protection - Internal Over-Temperature Protection </li></ul></div>
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RT7204E 订购信息
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<div class="spec-list"><ul class="lv1"><li>USB Type-C Controller in Source Applications for Single-Port or Multi-Port Charger / Adapters of Smartphone, Tablet, Notebook, and Other Electronics </li></ul></div>
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