TIDA-00324

POL Multiphase (3-phase), 120A Power Reference Design

TIDA-00324

Design files

Overview

TIDA-00324 is a power reference design that highlights the multiphase controller TPS53631 and the Smart Power Stage CSD95372BQ5M in a 12V Vin, 1.2V Vout at 120A application.  This reference design can be used to help a user develop a Power Solution for CPU Vcore power or DDR4 power solution to enable faster development and quicker time to market.

Features
  • Reference Design for a 12Vin, 1.2Vout, 120A Iout application using a 3-phase controller and Power Stage
  • Complete BOM, schematic, and test data available for the reference design
  • Design can be leveraged for CPU Vcore, DDR Memory Power, or applications needing a multiphase controller plus Power Stage
  • TPS53631 is Intel® VR12.x Platform Serial VID (SVID) Compliant and can operate 1-, 2-, or 3-Phase configuration employing advanced control architecture D-CAP+ with advanced PMBus communication interface for device configurations and system telemetries
  • CSD95372BQ5M smart power stage is a highly optimized design for use in a high-power, high-density applications which integrates the driver IC and power MOSFETs to complete the power stage switching function with accurate current sensing and temperature sensing functionality to simplify system design and improve accuracy
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU598.PDF (534 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRBB1.PDF (266 K)

Detailed schematic diagram for design layout and components

TIDRBB2.PDF (217 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRBB3.ZIP (2683 K)

Files used for 3D models or 2D drawings of IC components

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC controllers (external FET)

TPS536313-Phase, D-CAP+TM Step-Down VR12.x Server CPU Vcore

Data sheet: PDF
Si power stages

CSD95372BQ5M60A Synchronous Buck NexFET™ Smart Power Stage

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Technical article Power Tips: Controlling errors in measuring power-supply efficiency PDF | HTML Jun. 15, 2015
Test report TIDA-00324 Test Results Oct. 14, 2014

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