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PMP30249

Automotive Synchronous Buck Reference Design

Design files

PMP30249

Design files

Overview

This automotive power supply reference design is based on the LM25141-Q1 controller and provides 3.3V at 6.0A from 8.0 .. 16.0 V input voltage.

Features
  • High efficiency
  • Small size
  • Excellent transient response
Output voltage options PMP30249.1
Vin (Min) (V) 8
Vin (Max) (V) 16
Vout (Nom) (V) 3.3
Iout (Max) (A) 6
Output Power (W) 19.8
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.

download Test report — PMP30249
TIDUDL3.PDF (422 K)

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

download Schematic — PMP30249
TIDRSR2.PDF (135 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — PMP30249
TIDRSR3.PDF (25 K)

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

download Assembly drawing — PMP30249
TIDRSR4.PDF (239 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — PMP30249
TIDRSR6.ZIP (759 K)

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

download Gerber file — PMP30249
TIDCDU7.ZIP (76 K)

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

download PCB layout — PMP30249
TIDRSR5.PDF (307 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)

LM25141-Q1 — Automotive 2.2-MHz, low-IQ synchronous buck controller with frequency spread spectrum

Data sheet: PDF | HTML

Start development

Software

Calculation tool

LM25141DESIGN-CALC — LM25141-Q1 controller quickstart design tool

Welcome to the LM25141-Q1 quickstart calculator design tool. This standalone tool facilitates and assists the power supply engineer with design of a DC/DC buck regulator based on the LM25141-Q1 42-V synchronous buck DC/DC controller with low IQ. As such, the user can expeditiously arrive at an (...)
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Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC controllers (external FET)
LM25141 — Low Iq, Wide Input Range Synchronous Buck Controller LM25141-Q1 — Automotive 2.2-MHz, low-IQ synchronous buck controller with frequency spread spectrum
Hardware development
Evaluation board
LM5141QRGEVM — LM5141QRG Synchronous Buck Converter Evaluation Module
Software
Calculation tool
LM25141DESIGN-CALC — LM25141-Q1 controller quickstart design tool
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LM25141DESIGN-CALC — LM25141-Q1 controller quickstart design tool

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Latest version
Version: 01.00.00.0A
Release date: 12 Sep 2023
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LM25141/-Q1 controller quickstart calculator  — 1598 K

LM25141 and LM25141-Q1 controller quickstart calculator tool

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Products
AC/DC & DC/DC controllers (external FET)
LM25141 — Low Iq, Wide Input Range Synchronous Buck Controller LM25141-Q1 — Automotive 2.2-MHz, low-IQ synchronous buck controller with frequency spread spectrum
Hardware development
Evaluation board
LM5141QRGEVM — LM5141QRG Synchronous Buck Converter Evaluation Module
Software
Calculation tool
LM25141DESIGN-CALC — LM25141-Q1 controller quickstart design tool

Technical documentation

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Type Title Date
* Test report PMP30249 Test Results Sep. 20, 2017

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