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RT7202K 是一款簡單且靈活的多用途 USB PD 控制器。透過程式設定，它可作為 source 或 sink 運作。</br>當作為 source 使用時，可用於離線式 AC-DC 轉換器，因其整合了分流穩壓器、恆壓 (CV) 與恆流 (CC) 控制迴路，並具備可程式化參考電壓，可符合可程式化電源供應器 (PPS) 規範。當搭配外部降壓或升降壓控制器時，可構成 DCDC 轉換器，例如車用充電器，並同樣可符合 PPS 規範。當作為 sink 使用時，它簡單、低成本且使用靈活，可向 source 請求所需電力。若使用 RT7202KD/KJ/KT/KS 進行 sink 設計，其具備 I<sup>2</sup>C 介面與兩個 GPIO，可靈活運用，並可輕易由扮演 master 角色的其他 MCU 控制。</br>建議接面溫度範圍為 −40°C 至 125°C，環境溫度範圍為 −40°C 至 105°C。
RT7202K 電路圖
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<div class="spec-list"><ul class="lv1"><li>Protocol Support <ul class="lv2"> <li></li><li>USB PD 2.0 and 3.0 (PPS) </li></ul> </li><li>Highly Integrated <ul class="lv2"> <li></li><li>Embedded MCU with a Mask-ROM of 24kB, an OTP-ROM of 8kB (RT7202KD/KE/KF) or 16kB (RT7202KH/KJ/KP/KT/KS), and an SRAM of 2kB </li><li>Embedded BMC Transceiver </li><li>Wide VDD Operation Range: 3V to 22V </li><li>Built-In Shunt Regulator for Constant-Voltage and Constant-Current Regulations </li><li>Built-In 10-bit Analog-to-Digital Converter (ADC) </li><li>Programmable Cable Compensation </li><li>BLD Pin for Quick Discharge of Output Capacitor (RT7202KD/KJ/KS) </li><li>VDD Pin for Quick Discharge of Output Capacitor (RT7202KE/KF/KH/KP/KT) </li><li>USBP Pin for Direct Drive of External Blocking N-MOSFET </li><li>Power-Saving Mode in Standby Mode </li><li>Adjustable Peak Current Limit </li></ul> </li><li>Protection <ul class="lv2"> <li></li><li>Adaptive Overvoltage Protection </li><li>Adaptive Undervoltage Protection </li><li>Firmware-Programmable Overcurrent Protection </li></ul> </li></ul></div>
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RT7202K 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>USB PD Type-C Chargers/Adapters for Smart Phones, NBs, Tablets and All Other Electronics </li><li>USB PD Extension Cores with Offline AC-DC Converters </li></ul></div>
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