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PMP41085

100W Automotive Infotainment Display Module Reference Design With Functional Safety Capabilities

PMP41085

Design files

Overview

This reference design showcases the 100W automotive infotainment display module power reference design with cold crank, load dump and FuSa Capabilities.

The LM74900-Q1 is the first stage of the design playing a role of protection for negative input voltage, undervoltage, locked output, and overcurrent protection. The LM5152-Q1 is the second stage to function as pre-boost controller which can boost up to a specific voltage if battery voltage is low when starting up. The device supports battery voltages down to 4.2V. At the third stage, the design uses LMQ644A2-Q1, TPS62813-Q1, and TPS745-Q1 to provide the desired voltage to the subsystem like local dimming backlight, TCON, and SerDes.Lastly the design uses a voltage monitor and comparator to monitor each rail and to aid ISO 26262 system design to achieve the targeted ASIL.

Features
  • Total 100W power rating with 4.2V battery voltage input
  • Reference design aids ISO 26262 system design to achieve the targeted ASIL
  • Support cold-crank
  • LM74900-Q1 is the automotive ideal diode with circuit breaker, undervoltage, and overvoltage protection with fault output
  • LM5152-Q1 is the automotive low-Iq synchronous boost controller for start-stop/backup battery power supply
  • LMQ644A2-Q1 is the 3-V to 36-V, low IQ, dual 6A automotive buck converter optimized for power density and low EMI
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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.

PDF | HTML
TIDT380.PDF (5265 K)

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

TIDMCJ8.PDF (3399 K)

Detailed schematic diagram for design layout and components

TIDMCJ9.PDF (164 K)

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

TIDMCK0.PDF (425 K)

Detailed overview of design layout for component placement

TIDMCK2.ZIP (2766 K)

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

TIDCGM2.ZIP (1891 K)

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

TIDMCK1.PDF (1594 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 controllers (external FET)

LM5152-Q1Automotive 2.2 MHz wide VIN low IQ synchronous boost controller

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

LMQ644A2-Q1Automotive, 36V, 12A, low-IQ dual-output synchronous step-down converter

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

TPS62813-Q1Automotive 2.75-V to 6-V, 3-A step-down converter with fixed Fsw and SYNC in 2x3mm wettable-flanks

Data sheet: PDF | HTML
Comparators

TLV7041-Q1Automotive nano power comparator with open-drain output

Data sheet: PDF | HTML
Ideal diode/ORing controllers

LM74900-Q1Automotive ideal diode with circuit breaker, under- and overvoltage protection with fault output

Data sheet: PDF | HTML
Linear & low-dropout (LDO) regulators

TPS745-Q1Automotive 500-mA, low-IQ, high-PSRR, low-dropout (LDO) voltage regulator with power good

Data sheet: PDF | HTML
Supervisor & reset ICs

TPS37-Q1Automotive 65-V window supervisor with ultra-low quiescent current and time-delay function

Data sheet: PDF | HTML
Supervisor & reset ICs

TPS3704-Q1Automotive multichannel window supervisor with high accuracy and compact form factor

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report 100W Automotive Infotainment Display Module Reference Design With Functional Safety Capabilities PDF | HTML Feb. 06, 2024

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