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LM5056 - High-Voltage System Power Management

General Description

The LM5056/LM5056A combines high-performance analog and digital technology with a PMBus™ compliant SMBus™ and I2C interface to accurately measure the electrical operating conditions of systems connected to a backplane power bus.

Key Features

  • 1.
  • 2 Input Voltage Range: 10 V to 80 V.
  • Real-Time Monitoring of VIN, IIN, PIN, VOUT, and VAUX with 12-bit resolution, 1-kHz sampling rate.
  • True input Power Measurement using simultaneous sampling of Vin and Iin.
  • Remote Temperature Sensing with programmable warning thresholds.
  • Power Measurement Accuracy.
  • LM5056A: ±1.75%.
  • LM5056: ±2.25%.
  • Current Measurement Accuracy.
  • LM5056A: ±1.25%.
  • LM5056: ±1.5%.
  • Vo.

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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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LM5056, LM5056A www.ti.com SNVS827A – OCTOBER 2012 – REVISED APRIL 2013 High-Voltage System Power Management Device with PMBus™ Check for Samples: LM5056, LM5056A FEATURES 1 •2 Input Voltage Range: 10 V to 80 V • Real-Time Monitoring of VIN, IIN, PIN, VOUT, and VAUX with 12-bit resolution, 1-kHz sampling rate • True input Power Measurement using simultaneous sampling of Vin and Iin • Remote Temperature Sensing with programmable warning thresholds • Power Measurement Accuracy – LM5056A: ±1.75% – LM5056: ±2.25% • Current Measurement Accuracy – LM5056A: ±1.25% – LM5056: ±1.5% • Voltage Measurement Accuracy: ±1.0% • Averaging of VIN, IIN, PIN, and VOUT with Programmable Interval Ranging from 0.