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LM5126AEVM-BST

LM5126A evaluation module

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LM5126AEVM-BST

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Overview

The LM5126AEVM-BST evaluation module showcases the features and performance of the LM5126A-Q1 wide input voltage synchronous boost controller. This EVM is designed for ease of configuration, enabling the user to evaluate different conditions on the module. The standard configuration is designed to provide a 24V/150W output. The output voltage can be dynamically adjusted via ATRK/DTRK pin.

Features
  • Single-phase boost controller
  • Output voltage tracking from analog/PWM
  • Bypass mode
  • Optional dual random spread spectrum (DRSS)
  • Programmable undervoltage lockout (UVLO),Softstart and deadtime
  • Comprehensive fault protections
    • Peak current limit
    • Average current limit
    • Over voltage protection
AC/DC & DC/DC controllers (external FET)
LM51261A-Q1 — Automotive, 42V VIN, 2.2MHz single-phase boost controller with VOUT tracking and I2C LM5126A-Q1 — Automotive, 42V VIN, 2.2MHz single-phase boost controller with VOUT tracking
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Evaluation board

LM5126AEVM-BST — LM5126A evaluation module

Supported products & hardware
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LM5126AEVM-BST — LM5126A evaluation module

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Calculation tool

LM5126A-BOOST-CALC — LM5126A Boost Controller Quick Start Calculator

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC controllers (external FET)
LM5126A-Q1 — Automotive, 42V VIN, 2.2MHz single-phase boost controller with VOUT tracking
Hardware development
Evaluation board
LM5126AEVM-BST — LM5126A evaluation module
Download options

LM5126A-BOOST-CALC — LM5126A Boost Controller Quick Start Calculator

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Version: 1.0
Release date: Nov 24, 2025
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LM5126A-Boost-CALC_v1.0.zip  — 3844 K

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Products
AC/DC & DC/DC controllers (external FET)
LM5126A-Q1 — Automotive, 42V VIN, 2.2MHz single-phase boost controller with VOUT tracking
Hardware development
Evaluation board
LM5126AEVM-BST — LM5126A evaluation module

Release Information

Initial release

Design tool

LM51261A-GUI — GUI for LM51261A

Supported products & hardware

Supported products & hardware

Products
AC/DC & DC/DC controllers (external FET)
LM51261A-Q1 — Automotive, 42V VIN, 2.2MHz single-phase boost controller with VOUT tracking and I2C
Hardware development
Evaluation board
LM5126AEVM-BST — LM5126A evaluation module
Launch Download options

LM51261A-GUI — GUI for LM51261A

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Version: 1.0.0
Release date: Nov 28, 2025
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LM51261A_GUI_1.0.0_installer_win.zip  — 16778 K

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LM51261A_GUI_1.0.0_installer_osx.zip  — 16616 K

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LM51261A_GUI_1.0.0_installer_linux.zip  — 10883 K

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Products
AC/DC & DC/DC controllers (external FET)
LM51261A-Q1 — Automotive, 42V VIN, 2.2MHz single-phase boost controller with VOUT tracking and I2C
Hardware development
Evaluation board
LM5126AEVM-BST — LM5126A evaluation module

Release Information

Initial version

What's new

  • GUI for LM51261A
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* EVM User's guide LM5126AEVM-BST EVM Users Guide PDF | HTML Nov 24, 2025
Certificate LM5126AEVM-BST EU Declaration of Conformity (DoC) Jun 30, 2025

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