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Dual 13A μModule Regulator with Digital Interface for Remote Monitoring and Control of Power

Authored on: Jan 14, 2014 by Jian Li, Gina Le

Technical Paper / Application Note

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The LTM4676 is a dual 13A or single 26A step-down µModule DC/DC regulator featuring remote configurability and telemetry-monitoring of power management parameters over PMBus—an open standard I2C-based digital interface protocol. The LTM4676 is comprised of fast analog control loops, precision mixed signal circuitry, EEPROM, power MOSFETs, inductors and supporting components. The LTM4676's 2-wire serial interface allows outputs to be margined, tuned and ramped up and down at programmable slew rates with sequencing delay times. Input and output currents and voltages, output power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not required.
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