Single-Phase PWM Regulator Evaluation Boards for IMVP-6.5™ Mobile CPUs and GPUs


The ISL62881CGPUEVAL2Z and ISL62881CCPUEVAL2Z evaluation boards demonstrate the performance of the ISL62881C single-phase synchronous-buck PWM GPU VCORE controller implementing Intel IMVP-6.5 protocol. The ISL62881C features Intersil's Robust Ripple Regulator (R3™) technology. An on-board dynamic-load generator is included for evaluating the transient-load response. It applies a 300µs pulse of approximately 0.2Ω load across VO and PGND.

Key Features

  • Precision Core Voltage Regulation
    • 0.5% System Accuracy Over-Temperature
    • Enhanced Load Line Accuracy
  • Supports Multiple Current Sensing Methods
    • Lossless Inductor DCR Current Sensing
    • Precision Resistor Current Sensing
  • Current Monitor
  • Differential Remote Voltage Sensing
  • Integrated Gate Driver
  • Split LGATE Driver to Increase Light-Load Efficiency (For ISL62881D)
  • Adaptive Body Diode Conduction Time Reduction
  • User-selectable Overshoot Reduction Function
  • Small Footprint 28 Ld 4x4 or 32 Ld 5x5 TQFN Package


  • Notebook Core Voltage Regulator
  • Notebook GPU Voltage Regulator

ISL62881CCPUEVAL2Z CPU PWM Controller Eval Board

ISL62881CCPUEVAL2Z CPU PWM Controller Eval Board

ISL62881CGPUEVAL2Z GPU PWM Controller Eval Board

ISL62881CGPUEVAL2Z GPU PWM Controller Eval Board

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