PMP30267

Automotive Power Reference Design for Infotainment Systems

PMP30267

Design files

Overview

This reference design shows a complete power tree for automotive infotainment systems. The LM74700-Q1 provides reverse battery protection to the system and provides immunity to automotive transients specified in ISO 7637-2 and ISO 16750-2. The pre-booster with LM5150-Q1 provides a stable supply voltage of 10.5V during cranking for the dual-synchronous buck converter with LM5140-Q1, that provides an output voltage of 3.3V for a load current of 6.0A and an output voltage of 7.5V for a load current of 2.5A.

Features
  • Automotive power system reference design
  • Supports input voltage down to 3.2V
  • Reverse polarity protection
  • Automotive transient immunity to ISO 7637-2 and ISO 16750-2 tests
  • Small form factor
Output voltage options PMP30267.1 PMP30267.2 PMP30267.3
Vin (Min) (V) 3.2 10.5 10.5
Vin (Max) (V) 40 40 40
Vout (Nom) (V) 10.5 3.3 7.5
Iout (Max) (A) 1.5 6 2.5
Output Power (W) 15.75 19.8 18.75
Isolated/Non-Isolated Non-Isolated Non-Isolated Non-Isolated
Input Type DC DC DC
Topology Boost- Non Sync Buck- Synchronous Buck- Synchronous

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.

TIDUE98A.PDF (1994 K)

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

TIDRW09.PDF (296 K)

Detailed schematic diagram for design layout and components

TIDRW10.PDF (29 K)

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

TIDRW11.PDF (288 K)

Detailed overview of design layout for component placement

TIDRW13.ZIP (1435 K)

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

TIDCEL6.ZIP (62 K)

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

TIDRW12.PDF (375 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Boost controllers (external switch)

LM5150-Q1Automotive 1.5-V to 42-V VIN, low IQ boost controller with 6.8V, 7.5V, 8.5V, 10.5V output options

Data sheet: PDF | HTML
Buck controllers (external switch)

LM5140-Q1Wide Vin Dual 2.2MHz low Iq Synchronous Buck Controller

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 Power Reference Design for Infotainment Systems (Rev. A) Oct. 01, 2019

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