LM5141QRGEVM

LM5141QRG Synchronous Buck Converter Evaluation Module

LM5141QRGEVM

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Overview

The LM5141QRGEVM evaluation board provides a fully functional buck power supply, employing peak current mode control. The evaluation board provides a 5.0V @ 5A. The nonomal input voltage range is 8V-18V.

Features
  • VIN 5.5V to 42V
  • 5.0V @5A
  • 2.2MHz operation to avoid the Aumotive AM Band
  • Low Shutdown IQ 10µA
  • Low Standby Current 35µA the output inregualtion, no-load
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 LM5141 Low Iq, Wide Input Range Synchronous Buck Controller LM5141-Q1 Automotive wide-input 2.2-MHz low-IQ synchronous buck controller
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Evaluation board

LM5141QRGEVM — LM5141QRG Synchronous Buck Converter Evaluation Module

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LM5141QRGEVM LM5141QRG Synchronous Buck Converter Evaluation Module

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Calculation tool

LM25141DESIGN-CALC — LM25141-Q1 controller quickstart design tool

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
Reference design
PMP21107 Wide input synchronous buck converter reference design with frequency spread spectrum
Evaluation board
LM5141QRGEVM LM5141QRG Synchronous Buck Converter Evaluation Module
Download options

LM25141DESIGN-CALC LM25141-Q1 controller quickstart design tool

close
Version: A6
Release date: Mar 6, 2025
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
Reference design
PMP21107 Wide input synchronous buck converter reference design with frequency spread spectrum
Evaluation board
LM5141QRGEVM LM5141QRG Synchronous Buck Converter Evaluation Module

Release Information

Welcome to the quickstart design tool for the LM25141 and LM25141-Q1 synchronous buck controller family. This standalone tool facilitates and assists the power-supply engineer with the design of a DC/DC buck regulator with external MOSFETs. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.

Calculation tool

LM5141DESIGN-CALC — LM5141-Q1 controller quickstart design tool

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC controllers (external FET)
LM5141 Low Iq, Wide Input Range Synchronous Buck Controller LM5141-Q1 Automotive wide-input 2.2-MHz low-IQ synchronous buck controller
Hardware development
Reference design
PMP15019 Automotive High Current, Wide VIN Synchronous Buck Controller Reference Design Featuring LM5141-Q1 PMP15041 25W Automotive Start-Stop Reference Design Operating at 2.2 MHz PMP20682 Synchronous Buck Converter for Automotive Cluster Reference Design PMP20818 137W Holdup Converter for Storage Server Reference Design PMP21795 Automotive EMI and thermally optimized synchronous buck converter reference design PMP30339 Automotive Synchronous Buck With 3.3V @ 12.0A Reference Design TIDA-01413 ADAS 8-Channel Sensor Fusion Hub Reference Design with Two 4-Gbps Quad Deserializers
Evaluation board
LM5141QRGEVM LM5141QRG Synchronous Buck Converter Evaluation Module
Download options

LM5141DESIGN-CALC LM5141-Q1 controller quickstart design tool

close
Version: A6
Release date: Mar 6, 2025

LM5141/-Q1 controller quickstart design tool

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Products
AC/DC & DC/DC controllers (external FET)
LM5141 Low Iq, Wide Input Range Synchronous Buck Controller LM5141-Q1 Automotive wide-input 2.2-MHz low-IQ synchronous buck controller
Hardware development
Reference design
PMP15019 Automotive High Current, Wide VIN Synchronous Buck Controller Reference Design Featuring LM5141-Q1 PMP15041 25W Automotive Start-Stop Reference Design Operating at 2.2 MHz PMP20682 Synchronous Buck Converter for Automotive Cluster Reference Design PMP20818 137W Holdup Converter for Storage Server Reference Design PMP21795 Automotive EMI and thermally optimized synchronous buck converter reference design PMP30339 Automotive Synchronous Buck With 3.3V @ 12.0A Reference Design TIDA-01413 ADAS 8-Channel Sensor Fusion Hub Reference Design with Two 4-Gbps Quad Deserializers
Evaluation board
LM5141QRGEVM LM5141QRG Synchronous Buck Converter Evaluation Module

Release Information

Welcome to the quickstart design tool for the LM5141 and LM5141-Q1 synchronous buck controller family. This standalone tool facilitates and assists the power-supply engineer with the design of a DC/DC buck regulator with discrete MOSFETs. As such, the user can expeditiously arrive at an optimized design to meet the application requirements.

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* EVM User's guide LM5141-Q1 EVM User’s Guide (Rev. A) Jan 10, 2018
Certificate LM5141QRGEVM EU Declaration of Conformity (DoC) Jan 2, 2019
Data sheet LM25141-Q1 2.2-MHz, 42-V Synchronous Buck Controller With Low IQ datasheet (Rev. A) PDF | HTML Feb 7, 2018
Data sheet LM5141-Q1 Wide Input Range Synchronous Buck Controller datasheet (Rev. D) PDF | HTML Dec 18, 2017

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