MAX34441

LAST TIME BUY

PMBus 5-Channel Power-Supply Manager and Intelligent Fan Controller

Power Supply/Thermal Manager Provides Unparalleled “Black Box” Failure Logging and Energy Efficient Fan Control

Data Sheet (Rev. 1) Product Selection Table
Part Models
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1ku List Price
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Part Details

  • 5 Channels of Power-Supply Management
    • Voltage Measurement/Monitoring
      • Differential 12-Bit 1% Accurate ADC
      • Min/Max Threshold Excursion Detection
    • Supports Current Monitoring with External Current-Sense Amplifier
    • Automatic Closed-Loop Margining
    • Programmable Up and Down Sequencing
    • Power-Good Output
  • 1 Channel of Fan Control
    • Supports 3-Wire and 4-Wire Fans
    • Automatic Closed-Loop Fan-Speed Control
    • Support for Dual Tachometer Fans
    • Fan-Fault Detection
  • Supports Up to Six Temperature Sensors
    • External Thermal Diode Interface with Automatic Series Resistance Cancellation
    • One Internal Temperature Sensor
    • Support for Up to Four Additional I²C Digital Temp Sensor ICs
    • Fault Detection on All Temp Sensors
  • PMBus™-Compliant Command Interface
  • I²C/SMBus™-Compatible Serial Bus with Bus Timeout Function
  • On-Board Nonvolatile Fault Logging and Default Configuration Setting
  • No External Clocking Required
  • +3.3V Supply Voltage
MAX34441
PMBus 5-Channel Power-Supply Manager and Intelligent Fan Controller
MAX34441: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Technical Articles 3

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Power System Managers 1
MAX34440
PRODUCTION PMBus 6-Channel Power-Supply Manager
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Tools & Simulations

Software Development 1

Evaluation Kits

MAX34441EVKIT

Evaluation Kit for the MAX34440 and MAX34441

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Features and Benefits

  • Easy Evaluation of the MAX34441 or MAX34440
  • Fully Assembled and Tested
  • USB-Controlled GUI
  • 5 Channels of Power Supply
  • One Fan Control Channel

Product Details

The MAX34441 evaluation kit (EV kit) simplifies evaluation of the MAX34441 and MAX34440 PMBus™ power-supply managers. The MAX34440 controls six power supplies, whereas the MAX34441 controls five power supplies plus a fan. The MAX34441 EV kit ships with the MAX34441 installed and a fan. The fully assembled and tested EV kit includes five power supplies that can be sequenced, monitored, and margined by the MAX34441 or MAX34440 and also includes a fan for closed-loop fan control using the MAX34441.

Applications

  • Base Stations
  • Industrial Controls
  • Network Switches/Routers
  • Servers
  • Smart Grid Network Systems
MAX34441EVKIT
Evaluation Kit for the MAX34440 and MAX34441

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