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概要

The ISL69138 is a digital, dual output, flexible, multiphase (X+Y ≤ 7) PWM controller designed to be compliant with Intel VR13 and IMVP8 specifications. The controller can be configured to support any desired phase assignments up to a maximum of seven phases across the two outputs (X and Y). For example, 6+1, 5+2, 4+2, 3+3, 3+2, or even single output operation as a 7+0 configuration. The ISL69138, with a flexible X+Y ≤ 7 phase assignment, supports the SVID interface along with PMBus 1. 3, making it ideal for controlling the microprocessor core, memory, and system rails for Intel VR13 or IMVP8 platforms. The ISL69138 uses the Renesas proprietary digital, linear, synthetic, current modulation scheme to achieve the industry’s best combination of transient response and ease of tuning while addressing the challenges of powering the latest generation of Intel microprocessors. Device configuration and monitoring are accomplished using the intuitive PowerNavigator™ software. Diode emulation and automatic phase add/drop features allow the user to extract maximum efficiency from the converter regardless of load conditions. The ISL69138 supports a comprehensive fault management system to enable the design of highly reliable systems. From a multi-tiered overcurrent protection scheme to the configurable power-good and catastrophic fault protection flags, almost any need is accommodated. With minimal external components, easy configuration, robust fault management, and highly accurate regulation capability, implementing a high-performance, multiphase regulator has never been easier.

  • Advanced linear digital modulation scheme
  • Zero latency synthetic current control for excellent high-frequency current balance
  • Auto phase add/drop with a boot refresh function for excellent load vs efficiency profile
  • Dual edge modulation for faster transient response
  • Excellent Dynamic Voltage Identification (DVID) performance
  • Flexible phase assignment from 0 to 7 phases per output
  • Up to 1MHz switching frequency operation for high-density designs
  • Diode braking for overshoot reduction
  • Diode emulation for enhanced light-load efficiency
  • Differential remote voltage sensing supports ±0.5% closed-loop system accuracy over load, line, and temperature
  • Highly accurate current sensing for excellent load line regulation and accurate OCP
  • Supports ISL99227 60A smart power stage
  • Supports DCR sense with integrated temperature compensation
  • Supports phase doubler (ISL6617A) for up to 14-phase operation
  • Comprehensive fault management enables high-reliability systems
  • Pulse-by-pulse phase current limiting
  • Total output current protection
  • Output and input OV/UV protection
  • Open voltage sense detect
  • Black box recording capability for faults
  • Configurable Catastrophic Failure Protection (CFP) flag output
  • Intuitive configuration using PowerNavigator
  • SMBus/PMBus V1.3 compatible
  • Up to 2MHz bus interface
  • NVM to store up to 8 configurations
  • Pb-free (RoHS compliant)

ドキュメント

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設計・開発

ソフトウェア/ツールページ

Title タイプ 会社名
PowerNavigator SoftwareRenesas' PowerNavigator™ software allows simple configuration and monitoring of multiple Digital-DC devices using a PC with a USB interface.ダウンロード: Software Package Renesas

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