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IR3720 - Power Monitor IC

General Description

The IR3720 measures the output voltage and inductor current of low-voltage DC-to-DC converters and reports the average power over a user specified time interval as a digital word on the I2C.

Key Features

  • Accurate TruePower™ monitor.
  • Minimizes dynamic errors.
  • Reports voltage, current, or power.
  • Digital interface.
  • SMBus and I2C compatible.
  • Programmable averaging interval.
  • Flexible current sensing.
  • Resistive or Inductor DCR.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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IR3720 DATA SHEET Power Monitor IC with Digital I2C Interface www.datasheet4u.com FEATURES „ Accurate TruePower™ monitor • Minimizes dynamic errors • Reports voltage, current, or power „ Digital interface • SMBus and I2C compatible „ Programmable averaging interval „ Flexible current sensing • Resistive or Inductor DCR „ Applications • Synchronous rectified buck converters • Multiphase converters „ 10pin 3x3 DFN lead free package „ RoHS compliant DESCRIPTION The IR3720 measures the output voltage and inductor current of low-voltage DC-to-DC converters and reports the average power over a user specified time interval as a digital word on the I2C. The output current is measured across a current sensing resistor or indirectly across the inductor’s DCR winding resistance.