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PMP23380

Automotive 24VIN to 60VIN, 60A two-phase converter reference design

PMP23380

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 reference design for advanced driver assistance systems (ADAS), infotainment and cluster applications
  • Peak conversion efficiency of 87% to 93% in the 24-VIN to 60-VIN range
  • The LM5143-Q1 provides two-phase control and gate driver in a single IC
  • 2.7% output voltage undershoot and overshoot for a 30-A step and dump
Output voltage options PMP23380.1
Vin (Min) (V) 24
Vin (Max) (V) 60
Vout (Nom) (V) 3.3
Iout (Max) (A) 60
Output Power (W) 198
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
TIDT354.PDF (1839 K)

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

TIDMC84.PDF (316 K)

Detailed schematic diagram for design layout and components

TIDMC85.PDF (114 K)

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

TIDMC86.PDF (267 K)

Detailed overview of design layout for component placement

TIDMC88.ZIP (1497 K)

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

TIDCGJ9.ZIP (1553 K)

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

TIDMC87.PDF (1542 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)

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

Data sheet: PDF | HTML
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

Technical documentation

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Type Title Date
* Test report 24-VIN to 60-VIN, 3.3-VOUT, 60-A, Auto, 2-Phase Conv. RefDes PDF | HTML Nov. 30, 2023

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