LM72650QEVM

LM72650-Q1 evaluation module

LM72650QEVM

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Overview

The LM72650QEVM evaluation module (EVM) is a synchronous, buck DC/DC regulator using the LM72650. The EVM is capable of constant-current constant-voltage (CC-CV) regulation with I2C interface. The EVM operates over a wide input voltage range of 24V to 70V, providing maximum 5A in CC mode and maximum 20V in CV mode. The regulation targets of the average inductor current limit and the output voltage are programmable by I2C. The free-running switching frequency is also programmable by I2C and is synchronizable to an external clock signal at a higher or lower frequency. The EVM is designed as a daughter card of TPS26742EQ1EVM.

Features
  • Input voltage operating range: 24V to 70V
  • Programmable output voltage up to 20V with programmable cable drop compensation (CDC)
  • Programmable average current limit up to 5A
  • Programmable output voltage slew rate
  • Programmable soft-start time
  • Optional active output discharge
  • Optional spread spectrum
  • Programmable switching mode (FPWM or PFM)
  • Peak full-load efficiency of 98%
  • Peak current limit with hiccup mode protection
  • Programmable OVP threshold
  • Programmable UV/OV warning threshold
  • nINT indicator with pullup resistor to VDDA
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Evaluation board

LM72650QEVM — LM72650-Q1 evaluation module

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LM72650QEVM LM72650-Q1 evaluation module

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Technical documentation

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Type Title Date
* EVM User's guide LM72650QEVM CC-CV Buck Converter Evaluation Module PDF | HTML Jun 26, 2025
Certificate LM72650QEVM EU Declaration of Conformity (DoC) Jun 10, 2025

Related design resources

Hardware development

EVALUATION BOARD
TPS26742EQ1EVM TPS26742E-Q1 evaluation module

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