PMP23404

24-VIN to 60-VIN, 300-W automotive two-phase converter reference design

PMP23404

Design files

Overview

This reference design offers power for automotive advanced driver assistance systems (ADAS), infotainment and cluster applications. Operation is over the full automotive range including battery voltage surges to 60 V. The design exhibits a peak conversion efficiency of 93% to 96% in the 24-VIN to 48-VIN range. Results demonstrate a 2% output voltage undershoot and overshoot for a 30-A step and dump. The test report includes operational data spanning over the full input range and includes Bode plots to verify stability with ample margins, internal waveforms and thermal images.

Features
  • High current for ADAS, infotainment and cluster applications
  • Peak conversion efficiency of 93% to 96% in the 24- to 48-VIN range
  • LM5143-Q1 provides two-phase control and gate drive in a single integrated circuit
  • Output voltage undershoot and overshoot 2% for 30-A step and dump
Output voltage options PMP23404.1
Vin (Min) (V) 24
Vin (Max) (V) 60
Vout (Nom) (V) 5
Iout (Max) (A) 60
Output Power (W) 300
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Synchronous
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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
TIDT352.PDF (2184 KB)

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

TIDMBZ0.PDF (288 KB)

Detailed overview of design layout for component placement

TIDMBY9.PDF (135 KB)

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

TIDMBZ1.ZIP (2726 KB)

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

TIDCGI0.ZIP (2783 KB)

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

TIDMBZ2.PDF (1564 KB)

PCB layer plot file used for generating PCB design layout

TIDMBY8.PDF (345 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC controllers (external FET)

LM5143A-Q1Automotive, 3.5-V to 65-V low-IQ, dual output, stackable synchronous buck DC-DC controller

Data sheet: PDF | HTML
AC/DC & DC/DC controllers (external FET)

LM5143-Q13.5-V to 65-V low Iq, dual, 2-phase synchronous buck DC-DC controller

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report 24-VIN to 60-VIN, 300-W, Automotive 2-Phase Converter Reference Design PDF | HTML Oct 3, 2023

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