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PECI-to-I²C Translator

Supports Up to Four PECI-Enabled CPUs

Product Details

Key Features

Simplified Block Diagram

Technical Docs

Data Sheet PECI-to-I²C Translator Dec 11, 2009

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Key Features

  • 400kbps I²C-Compatible, 2-Wire Serial Interface
  • +3V to +3.6V Supply Voltage
  • PECI 1.0-Compliant Port
  • PECI-to-I²C Translation
  • Active-Low ALERT Output
  • Active-Low RESET Input (May Be Disabled as a Factory Option)
  • Programmable Temperature Offsets
  • -20°C to +120°C Operating Temperature Range
  • VREF Input Refers Logic Levels to the PECI Supply Voltage
  • Automatic I²C Bus Lockup Timeout Reset
  • Lead-Free, 10-Pin µMAX® Package

Applications/Uses

  • Desktop Computers
  • Servers
  • Workstations

Description

The MAX6621 PECI-to-I²C translator provides an efficient, low-cost solution for PECI-to-SMBus™/I²C protocol conversion. The PECI-compliant host reads temperature data directly from up to four PECI-enabled CPUs. Interrupts are generated when the measured temperature exceeds the high-temperature limit and causes the active-low ALERT to assert. The active-low RESET input allows the host to reset the I²C bus in the event of a communication error.

The I²C interface provides an independent serial communication channel to communicate synchronously with peripheral devices in a multiple master or multiple slave system. This interface allows a maximum serial-data rate of 400kbps.

The MAX6621 is designed to operate from a +3.0V to +3.6V supply voltage and ambient temperature range of -20°C to +120°C.

Simplified Block Diagram

MAX6621: Typical Application Circuit MAX6621: Typical Application Circuit Zoom icon

Technical Docs

Data Sheet PECI-to-I²C Translator Dec 11, 2009

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .