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RT3638AJ 是一款符合 IMVP9.2 规范的 CPU 电源控制器，包含三组电压轨：用于 VCCCORE VR 的 8 相同步降压控制器、用于 VCCGT VR 的单相同步降压控制器，以及用于 VCCSA VR 的单相同步降压控制器。每组电压轨的输出皆可配置为支持所需的相位分配，最高为 VCCCORE 8 相、VCCGT 单相及 VCCSA 单相。例如，RT3638AJ 支持 8+1+1、7+1+1 及 6+1+1 等输出操作。RT3638AJ 支持 Smart Phase Management（SPM）功能，以在所有负载范围内达到最高效率。自动加相或减相的阈值可通过 I<sup>2</sup>C 协议接口由用户设置。RT3638AJ 采用 G-NAVP<sup>TM</sup>（Green Native AVP），这是 Richtek 专有的拓扑架构，由具有限 DC 增益的 EA 放大器结合电流模式控制所衍生。此拓扑可简化 droop 设置，以满足所有 Intel CPU 对 AVP（Adaptive Voltage Positioning）的要求。基于 G-NAVP<sup>TM</sup> 拓扑，RT3638AJ 具备新一代快速响应机制（Adaptive Quick Response, AQR），可在负载瞬态期间优化 AVP 性能并减少输出电容。RT3638AJ 支持具有多种工作状态的模式转换功能。内置串行 VID（SVID）接口，可与符合 Intel IMVP9.2 规范的 CPU 通信。RT3638AJ 提供内置非易失性存储器（NVM），用于平台设置功能，例如 ICCMAX、开关频率或 AQR 触发电平。RT3638AJ 提供 VR ready 输出信号。它还具备完整的故障保护功能，包括过电压（OV）、过电流（OC）、欠电压（UV）及欠电压锁定（UVLO）。RT3638AJ 采用 WQFN-68L 8x8 封装。建议结温范围为 −40°C 至 125°C。
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<li class="mv5"> Intel IMVP9.2 Compliant<br /> </li><li class="mv5"> 8/7/6/5/4/3/2/1/0 Phase (VCCCORE VR) + 1/0 Phase (VCCGT VR) + 1/0 Phase (VCCSA VR) PWM Configuration<br /> </li><li class="mv5"> Support SPS with Current Sensing by Either Current Type or Voltage Type<br /> </li><li class="mv5"> Support 1 PWM Drive 2 Power Stage and Phase Doubler RT9637 for Core Rail Up to 16-Phase Operation<br /> </li><li class="mv5"> Easy-Set G-NAVP<sup>TM</sup> Control<br /> </li><li class="mv5"> 0.5% DAC Accuracy<br /> </li><li class="mv5"> Differential Remote Voltage Sense<br /> </li><li class="mv5"> Internal Non-Volatile Memory to Store Custom Configuration<br /> </li><li class="mv5"> Accurate Current Balance<br /> </li><li class="mv5"> Diode Emulation Mode at Light-Load Condition<br /> </li><li class="mv5"> Fast Transient Response-Adaptive Quick Response<br /> </li><li class="mv5"> VR Ready Indicator<br /> </li><li class="mv5"> Output Current Monitoring<br /> </li><li class="mv5"> Protection Flag for OVP, OCP, and UVP<br /> </li><li class="mv5"> Switching Frequency Setting<br /> </li><li class="mv5"> Slew Rate Setting <br /> </li><li class="mv5"> DVID Enhancement <br /> </li><li class="mv5"> Acoustic Noise Suppression Function<br /> </li><li class="mv5"> Support Fast V-Mode (FVM)<br /> </li><li class="mv5"> Zero Load Line <br /> </li><li class="mv5"> Rail Disable <br /> </li><li class="mv5"> Smart Phase Management Adjustment<br /> </li><li class="mv5"> Standard I<sup>2</sup>C Protocol Interface <br /> - Thermal Balance Adjustment<br /> </li><li class="mv5"> Soldering Good Detection<br /> </li><li class="mv5"> Small 68-Lead WQFN Package</li>
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<li class="mv5"> IMVP9.2 Intel Core Power Supply<br /> </li><li class="mv5"> Desktop/Notebook Computers<br /> </li><li class="mv5"> AVP Step-Down Converters</li>
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