PMP11140 Reference Design

Texas Instruments

TPS40400 Step-Down Regulator with PMBus Delivering 1.8V at 4A Reference Design

Description

PMP11140 is a single-phase switching regulator accepting an input range of 4.5V to 13.2V and providing an output voltage of 1.8V capable of supplying 4A of current. This reference design shows 1.8Vout: 4A (3A without a fan) for CPU I/O and other applications in a 22cm by 12.6cm single sided footprint. A rich test interface including an on board dynamic load is provided.

Features
  • PMBus programming: configuration: control: and telemetry85% peak efficiencyWell documented thermal performance both with and without fan.On board high speed dynamic test load to verify dynamic performance0.9” x 0.5” total power supply area with all parts on same sideSupported by TI’s Fusion GUI PMBus designer FUSION_DIGITAL_POWER_DESIGNER
Applications
Product Categories
  • Power management

Parts

Part Number Name Companion Part
TPS40400 TPS40400 Buy Datasheet

Bill Of Materials

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Schematic

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Test Data

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Other Documents

Title Updated Type Size (KB)
PMP11140 Gerber 15 Jul 2015 ZIP 385
PMP11140 PCB 15 Jul 2015 PDF 1381
PMP11140 Assembly Drawing 15 Jul 2015 PDF 173
PMP11140 BOM 15 Jul 2015 PDF 116
PMP11140 Schematic 15 Jul 2015 PDF 196