MAX6621

PRODUCTION

PECI-to-I²C Translator

Supports Up to Four PECI-Enabled CPUs

Data Sheet (Rev. 2) Product Selection Table
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Overview

  • 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

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.

Applications

  • Desktop Computers
  • Servers
  • Workstations
MAX6621
PECI-to-I²C Translator
MAX6621: Typical Application Circuit
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Documentation

Data Sheet 1

Reliability Data 1

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Software Resources

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