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LM25066 - System Power Management/Protection

Description

The LM25066 combines high performance analog and digital technology to accurately measure, protect and control the electrical operating conditions of computing and storage blades connected to a backplane power bus.

Features

  • Operating range: +2.9V to +17V.
  • Current Limit Threshold: 25 mV or 50 mV.
  • I2C/SMBus interface and PMBus compliant command structure.
  • Real time system telemetry monitoring.
  • Current measurement accuracy: ±3%, 25 mV threshold, -40°C to 125°C.
  • True Input Power from simultaneous sampling of VIN and IIN.
  • Power limited control of hotswap insertions, inrush current, circuit breaker functions.
  • Multi-level configuration and monitoring of system fault conditions v.

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Datasheet Details

Part number LM25066
Manufacturer National Semiconductor Corporation
File Size 171.30 KB
Description System Power Management/Protection
Datasheet download datasheet LM25066 Datasheet

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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LM25066 PRELIMINARY www.DataSheet4U.com February 19, 2010 LM25066 System Power Management and Protection IC with PMBus System Power Management and Protection IC with PMBus General Description The LM25066 combines high performance analog and digital technology to accurately measure, protect and control the electrical operating conditions of computing and storage blades connected to a backplane power bus. The LM25066 continuously supplies real-time power, voltage, current, temperature and fault data to the system management host via the I2C/SMBus interface with PMBus compliant protocol. The LM25066 monitoring block captures peak power and computes the average of subsystem operating parameters (Vin, Iin, Pin, Vout).
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