Small Form Factor Nvidia Tegra T40/T50 Proc Power for Automotive Infotainment Reference Design


Design files


This Nvidia Tegra™ T40/T50 Processor Power Automotive Infotainment reference design powers the Nvidia Tegra T40/T50 Core Processor using the TPS51632Q1 and TPS51604Q1 Automotive Qualified Devices. It is targeted towards OEM or After-Market Infotainment Designs, including Rear Seat Entertainment.

  • 234mm2 of total power supply area (including input/output caps and inductor)    
  • Only 10x22uF ceramic output caps to meet load transient requirements 
  • 6V to 19V input support 
  • Scalability with phase count optimization  
  • ~ 87% peak efficiency at 1MHz switching frequency 
  • Tight Output  Voltage Accuracy
Output voltage options PMP9128.1
Vin (Min) (V) 6
Vin (Max) (V) 19
Vout (Nom) (V) 1.1
Iout (Max) (A) 15
Output Power (W) 16.5
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Multiphase
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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.

SLUUAX5.PDF (2866 K)

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


Detailed schematic diagram for design layout and components

TIDC286.ZIP (1692 K)

Detailed schematic diagram for design layout and components


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

SLUC527.ZIP (258 K)

Design file that contains information on physical board layer of design PCB


Includes TI products in the design and potential alternatives.

Buck controllers (external switch)

TPS516322.5V to 24V, 3/2/1-phase Step-Down Driverless Controller for Nvidia Tegra® T40 CPUs

Data sheet: PDF
Buck controllers (external switch)

TPS51632-Q1NVIDIA Tegra 2.5V to 24V, 3/2/1-phase step-down controller for automotive applications

Data sheet: PDF
Half-bridge drivers

TPS516044-A, 28-V half bridge gate driver for synchronous buck high frequency CPU core power applications

Data sheet: PDF | HTML
Power blocks

CSD87381P30-V, N channel synchronous buck NexFET™ power MOSFET, 3 mm x 2.5 mm LGA, 15 A

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP9128 Test Results Jan. 26, 2014

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