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LM25066 Datasheet System Power Management/protection

Manufacturer: National Semiconductor Corporation

Overview: LM25066 PRELIMINARY www.DataSheet4U.com February 19, 2010 LM25066 System Power Management and Protection IC with PMBus System Power Management and Protection IC with.

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).

Key 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.

LM25066 Distributor

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