PMP21669

Automotive instrument cluster power reference design with three outputs

PMP21669

Design files

Overview

This reference design implements an automotive power supply solution for use in analog gauge clusters, hybrid clusters and cluster display systems. It provides 5 volt, 3.3 volt and 1.2 volt outputs suitable for powering all subsystems within an automotive instrument cluster, a cluster display, or an automotive remote touch display.

Features
  • Automotive power system reference design
  • EMI meets CISPR25 class 5 requirements
  • Reverse polarity protection
  • Three output voltages: 5 volts, 3.3 volts, 1.2 volts
Output voltage options PMP21669.1 PMP21669.2 PMP21669.3
Vin (Min) (V) 6 2.75 2.75
Vin (Max) (V) 40 6 6
Vout (Nom) (V) 5 3.3 1.2
Iout (Max) (A) 1 .5 .5
Output Power (W) 5 1.65 .6
Isolated/Non-Isolated Non-Isolated Non-Isolated Non-Isolated
Input Type DC DC DC
Topology Buck- Integrated Switch Buck- Integrated Switch Buck- Integrated Switch
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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.

TIDT041.PDF (4578 K)

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

TIDRZ35.PDF (352 K)

Detailed schematic diagram for design layout and components

TIDRZ36.PDF (104 K)

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

TIDRZ37.PDF (199 K)

Detailed overview of design layout for component placement

TIDRZ39.ZIP (1387 K)

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

TIDCFB4.ZIP (2687 K)

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

TIDRZ38.PDF (1120 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

LM53635-Q13.5-A, 36-V synchronous, 2.1-MHz, automotive step-down DC-DC converter

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

TPS62810-Q1Automotive 2.75-V to 6-V, 4-A step-down converter in a 2mm x 3mm wettable-flanks QFN package

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

TPS62810M2.75-V to 6-V, 4-A step-down converter in a 2-mm x 3-mm QFN package with -55C extended temperature

Data sheet: PDF | HTML
Ideal diode/ORing controllers

LM74700-Q13.2-V to 65-V, 80-uA IQ automotive ideal diode controller

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report Automotive instrument cluster power reference design with three outputs Feb. 27, 2019

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