ISL69125IRAZ-T7A

DATA SHORT To request the full datasheet, please visit www.intersil.com/products/ISL69125 ISL69125 FN8738 Rev. 1.00 Jan 4, 2018 Digital Dual Output, 4-Phase Configurable, VR13 PWM Controller The ISL69125 is a digital dual output, flexible multiphase (X+Y ≤ 4) PWM controller designed to be compliant with Intel VR13 specifications. The digital multiphase controller can be configured to support any desired phase assignments up to a maximum of 4 phases across the two outputs (X and Y). For example, 3+1, 2+2, or even a single output operation as a 4+0 configuration are supported. With a flexible X+Y ≤ 4 phase assignment along with PMBus and SVID interfaces, it is ideal for controlling the microprocessor core, memory, and system rails of Intel VR13 platforms. The ISL69125 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 telemetry 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 ISL69125 supports a comprehensive fault management system to enable the design of highly reliable systems. From an overcurrent protection scheme including peak and average detection, to the configurable power-good and catastrophic fault protection flags, any need is accommodated. Features • Advanced linear digital modulation scheme - Zero latency synthetic current control for excellent high frequency current balance - Auto phase add/drop for excellent load vs efficiency profile - Excellent DVID performance - Dual edge modulation for faster transient response • Flexible phase assignment from 0 to 4 phases per output • Up to 1MHz 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 external input current sense required for NVDIMM • Core and memory for Intel VR13 based designs - High performance server core and memory rails - High performance graphics rails • 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 • Networking, data center, storage, and general purpose • Intuitive configuration using PowerNavigator With minimal external components, the ability to store 8 configurations, robust fault management, and highly accurate regulation capability, implementing a high-performance, multiphase regulator has never been easier. Applications • SMBus/PMBus v1.3 compatible - Up to 2MHz bus interface - NVM to store up to 8 configurations • Pb-free (RoHS compliant) FN8738 Rev. 1.00 Jan 4, 2018 Page 1 of 2 Notice 1. Descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples. You are fully responsible for the incorporation or any other use of the circuits, software, and information in the design of your product or system. Renesas Electronics disclaims any and all liability for any losses and damages incurred by you or third parties arising from the use of these circuits, software, or information. 2. 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