High Density 12Vin 0.8V 200A & 3.3V 75A POL Reference Design
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Key Document


The TPS53679-based reference design provides a single IC for control of two multi-phase outputs with up to 6 phases on main output and up to 2 phases on channel 2; up to 7 phases in all.  Multi-phase also allows output ripple cancellation and effective higher bandwidth control for a given switching frequency. The PMP20489 reference design shows a high current five phase plus two phase application and two on board dynamic loads. The test report focuses on thermal performance, dynamic response and efficiency.

  • Complete high current 5 plus 2 phases DC/DC converters with high speed contol for POL applications
  • Loop compensation set by GUI
  • High current power stages with grounded cooling pads
  • Rich text interface including a self-contained high-speed dynamic test load and a signal generator driven dynamic test load
  • Schematic, BOM, layout and test report focusiing on efficiency, temperature rise and dynamic load performance

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Schematic/Block Diagram

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Design Guide

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Design Files

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(Output Voltage 1)
(Output Voltage 2)
Vin (Min) (V)4.510.8
Vin (Max) (V)13.213.2
Vout (Nom) (V).83.3
Iout (Max) (A)20075
Output Power (W)160247.5
Input TypeDCDC
TopologyBuck- MultiphaseBuck- Multiphase
Designed forFPGAFPGA

TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD95490Q5MC  75A Synchronous Buck NexFET™ Smart Power Stage with DualCool Package  MOSFETs  Not Available Not Available
TPS53679  Dual-Channel 6+1/5+2 VR13 D-CAP+™ Step-Down Multiphase Controller With NVM and PMBus  Step-down (buck)  Sample & Buy Not Available
TPS62163  3V-17V 1A Step-Down Converters with DCS-Control™  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS732  Cap-Free, NMOS, 250mA Low Dropout Regulator with Reverse Current Protection  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD95490Q5MC VSON-CLIP (DMC)| 12 Download -
TPS53679 Download
TPS62163 Download Download
TPS732 Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 2960 03 Nov 2017
Design files (6)
Title Type Size (KB) Date
ZIP 1704 03 Nov 2017
ZIP 2797 03 Nov 2017
PDF 5670 03 Nov 2017
PDF 491 03 Nov 2017
PDF 41 03 Nov 2017
PDF 522 03 Nov 2017

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