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RT3645BE 是一款具備四組輸出電壓軌的同步 VR 控制器，並完全符合 Intel IMVP9.3 PWM 規範。RT3645BE 採用 Richtek’s 新一代混合控制架構。此混合控制可在不使用外部被動元件進行迴路補償的情況下，達到快速動態反應。控制迴路設定可透過 I<sup>2</sup>C 介面輕鬆編程，簡化 droop 控制設定流程，以滿足 CPU 核心電源的所有 AVP（Adaptive Voltage Positioning）要求。RT3645BE 具備 Richtek’s 新一代暫態技術 AQR（Adaptive Quick Response），可在負載暫態期間優化 AVP 效能並減少輸出電容。RT3645BE 控制器採用 SPM（Smart Phase Management）技術，並具備可編程電流閾值與遲滯，以優化系統效率。RT3645BE 整合高精度 ADC，可用於多種信號遙測，包括輸入電壓、輸出電流、各電壓軌的溫度感測及系統功率監測。RT3645BE 內建 MTP NVM（Multiple-Time Programmable Non-Volatile Memory），用於儲存自訂配置，例如 droop 控制設定、ICCMAX 電流、切換頻率及 SPM 電流閾值。這些配置可透過在 ADDR 腳位與 GND 之間放置指定電阻來選擇。RT3645BE 亦支援故障保護，包括欠電壓鎖定（UVLO）、欠電壓（UV）、過電壓（OV）、過電流（OC）及 SPS 故障指示。建議接面溫度範圍為 −40°C 至 125°C。
RT3645BE 電路圖
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<div class="spec-list"><ul class="lv1"><li>Compliant with Intel IMVP9.3 Specification </li><li>5/4/3/2/1 Phases (CORE VR) + 2/1 Phases (GT VR) + 1 Phase (SA VR) + 1 Phase (ATOM VR) </li><li>Hybrid Control Architecture without External RC Components </li><li>Good Stability and Fast Dynamic Performance: Adaptive Ramp and Quick Response </li><li>0.5% DAC Accuracy </li><li>Differential Remote Voltage Sensing </li><li>Built-In ADC for Signal Monitoring and Telemetry </li><li>DVID Enhancement </li><li>Zero Load-Line </li><li>Smart Phase Control for Efficiency Optimization </li><li>Support Fast V-Mode (FVM) </li><li>VR Ready and Thermal Indicator </li><li>Soldering Good Detection </li><li>Standard I<sup>2</sup>C Protocol Interface <ul class="lv2"> <li></li><li>Flexible Address Options </li><li>Built-In Multiple-Time Programmable Non-Volatile Memory to Store Custom Configurations </li><li>Current Balance Control for Thermal Balance </li><li>Easy Internal Hybrid Control Loop Setting </li><li>Switching Frequency Setting </li><li>Fault Status and Protection Flags </li></ul> </li></ul></div>
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RT3645BE 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>Intel IMVP9.3 CPU Core Power </li><li>Notebook and Desktop Computers </li><li>AVP Buck Converters </li></ul></div>
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