PMP30339

Automotive Synchronous Buck With 3.3V @ 12.0A Reference Design

PMP30339

Design files

Overview

This automotive single-phase synchronous buck converter provides 3.3 V at 12 A from an input voltage range of 9 V to 18 V. The extended input voltage range for short-time operation is 4.5 V to 32 V.

Features
  • High efficiency
  • Compact size
  • Low input and output voltage ripple
Output voltage options PMP30339.1
Vin (Min) (V) 9
Vin (Max) (V) 18
Vout (Nom) (V) 3.3
Iout (Max) (A) 12
Output Power (W) 39.6
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.

TIDUDL6.PDF (382 K)

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

TIDRSS7.PDF (141 K)

Detailed schematic diagram for design layout and components

TIDRSS8.PDF (23 K)

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

TIDRSS9.PDF (239 K)

Detailed overview of design layout for component placement

TIDRST1.ZIP (652 K)

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

TIDCDV0.ZIP (76 K)

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

TIDRST0.PDF (307 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Buck controllers (external switch)

LM5141-Q1Automotive wide-input 2.2-MHz low-IQ synchronous buck controller

Data sheet: PDF | HTML

Start development

Software

Calculation tool

LM5141DESIGN-CALC LM5141-Q1 controller quickstart design tool

Welcome to the LM5141-Q1 quickstart design tool. This standalone tool facilitates and assists the power supply engineer with design of a DC/DC buck regulator based on the LM5141-Q1 65-V synchronous buck DC/DC controller with low IQ. As such, the user can expeditiously arrive at an optimized design (...)
lock = Requires export approval (1 minute)
Supported products & hardware

Supported products & hardware

Products
Buck controllers (external switch)
LM5141 Low Iq, Wide Input Range Synchronous Buck Controller LM5141-Q1 Automotive wide-input 2.2-MHz low-IQ synchronous buck controller
Hardware development
Evaluation board
LM5141QRGEVM LM5141QRG Synchronous Buck Converter Evaluation Module
Software
Calculation tool
LM5141DESIGN-CALC LM5141-Q1 controller quickstart design tool

LM5141DESIGN-CALC LM5141-Q1 controller quickstart design tool

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Latest version
Version: 01.00.00.0B
Release date: 13 Sep 2023

LM5141/-Q1 controller quickstart calculator tool

Checksum
lock = Requires export approval (1 minute)
Products
Buck controllers (external switch)
LM5141 Low Iq, Wide Input Range Synchronous Buck Controller LM5141-Q1 Automotive wide-input 2.2-MHz low-IQ synchronous buck controller
Hardware development
Evaluation board
LM5141QRGEVM LM5141QRG Synchronous Buck Converter Evaluation Module
Software
Calculation tool
LM5141DESIGN-CALC LM5141-Q1 controller quickstart design tool

Technical documentation

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Type Title Date
* Test report PMP30339 Test Results Sep. 21, 2017

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