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LM25056 - System Power Measurement-IC

Description

The LM25056 combines high performance analog and digital technology with a PMBus™ compliant SMBus™/I2C interface to accurately measure the operating conditions of electrical systems including computing and storage blades connected to a backplane power bus.

Features

  • 1.
  • 234 Input Voltage Range: 3V to 17V.
  • I2C/SMBus Interface with PMBus Compliant Command Structure.
  • Remote Temperature Sensing with Programmable Warning and Shutdown Thresholds.
  • Real Time Monitoring of VIN, IIN, PIN, VAUX with 12-bit Resolution and 1 kHz Sampling Rate.
  • True Input Power Measurement Using Simultaneous Sampling of VIN and IIN Accurately Averages Dynamic Power Readings.
  • Averaging of VIN, IIN, PIN, and VAUX Over Programmable Interva.

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Full PDF Text Transcription

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LM25056 www.ti.com SNVS784A – JANUARY 2012 – REVISED APRIL 2013 LM25056 System Power Measurement IC with PMBus Check for Samples: LM25056 FEATURES 1 •234 Input Voltage Range: 3V to 17V • I2C/SMBus Interface with PMBus Compliant Command Structure • Remote Temperature Sensing with Programmable Warning and Shutdown Thresholds • Real Time Monitoring of VIN, IIN, PIN, VAUX with 12-bit Resolution and 1 kHz Sampling Rate • True Input Power Measurement Using Simultaneous Sampling of VIN and IIN Accurately Averages Dynamic Power Readings • Averaging of VIN, IIN, PIN, and VAUX Over Programmable Interval Ranging from 0.
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