MAX34461A

PRODUCTION

PMBus 16-Channel Voltage Monitor and Sequencer

Data Sheet Product Selection Table
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Overview

  • 16 Channels of Power-Supply Management
  • On-Board Nonvolatile Black Box Fault Logging and Default Configuration Setting
  • Supports Complex Sequencing Requirements
    • Time- and Event-Based Sequencing
    • Parallel/Cascaded Device Operation
    • Programmable Up and Down Sequencing
  • Easy to Program and Monitor
    • PMBus-Compatible Command Interface
    • Easy-to-Use GUI
  • Flexible Measurement and Monitoring Capability
    • Reports Peak and Average Levels
    • Four Remote Temperature Sensors
    • One Internal Temperature Sensor
  • Automatic Closed-Loop Margining Improves Accuracy
  • Remote Ground Sensing Improves Measurement Accuracy
  • Simplifies System-Level Design
    • Up to 16 GPOs
    • No External Clocking Minimizes System-Level Design
    • I2C/SMBus-Compatible Serial Bus with Bus Timeout Function
    • Power-Supply Voltage Measurement and Monitoring
  • Fast Minimum/Maximum Threshold Excursion Detection
  • 3.0V to 3.6V Supply Voltage

The MAX34461A is a system monitor that is capable of managing up to 16 power supplies. The power-supply manager monitors the power-supply output voltages and constantly checks for user-programmable overvoltage and undervoltage thresholds. If a fault is detected, the device automatically shuts down the system in an orderly fashion. The device can sequence the supplies in any order at both power-up and power-down. With the addition of external current DACs, the device has the ability to close-loop margin the power-supply output voltages up or down to a user-programmable level. The device contains an internal temperature sensor and can support up to four external remote temperature sensors. Once configured, the device can operate autonomously without any host intervention.

Applications

  • Network Switches/Routers
  • Base Stations
  • Servers
  • Smart Grid Network Systems

Differences from MAX34460

  • Adds 4 Channels of Monitoring, Sequencing, and Margining
  • Removes Dual-Loop Sequencing, Watchdog, and Alarm Output Functionality
MAX34461A
PMBus 16-Channel Voltage Monitor and Sequencer
MAX34461A Functional Block Diagram MAX34461A Pin Configuration
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Documentation

Data Sheet 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

Evaluation Software 1

MAX34461A EV Kit GUI

Evaluation Kits

eval board
schematic 1
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schematic 3
EVAL-MAX34461A

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Features and Benefits

  • Easy Evaluation of the MAX34461A
  • Four Power-Supply Channels
  • EV Kit Hardware Is USB Powered (USB Cable Included)
  • USB HID Interface
  • Windows® 10-Compatible Software
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX34461A evaluation kit (EV kit) provides the hardware and software graphical user interface (GUI) necessary to evaluate the MAX34461A PMBus™ 16-channel voltage monitor and sequencer. The EV kit includes a MAX34461AA01+ installed, as well as four power supplies that can be sequenced, monitored, and margined by the IC.
EVAL-MAX34461A
MAX34461A EVKIT Angle View MAX34461A EVKIT B Bottom View MAX34461A EVKIT Top View

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