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LTC2975 Datasheet 4-Channel PMBus

Manufacturer: Analog Devices

General Description

n Sequence, Trim, Margin and Supervise Four Power Supplies n Manage Faults, Monitor Telemetry and Create Fault Logs n PMBus™ Compliant Command Set n Supported by LTpowerPlay® GUI n Margin or Trim Supplies to Within 0.25% of Target n Monitor Input Current (±1%) and Accumulate Energy n Fast OV/UV and OC Supervisors Per Channel n Coordinate Sequencing and Fault Management Across Multiple ADI PSM Devices n Automatic Fault Logging to Internal EEPROM n Operate Autonomously Without Additional Software n External Temperature and Input Voltage Supervisors n Accurate Monitoring of Four Output Voltages, Four Output Currents, Four External Temperatures, Input Voltage and Current, and Internal Die Temperature n Can Be Powered from 3.3V, or 4.5V to 15V n Pin-Compatible to the LTC2974 n Available in 64-Lead 9mm × 9mm QFN Package and in 63-Lead 6.25mm × 7.5mm BGA Package n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n Computers and Network Servers n Industrial Test and Measurement n High Reliability Systems n Video and Medical Imaging The LTC®2975 is a 4-channel Power System Manager used to sequence, trim (servo), margin, supervise, manage faults, provide telemetry and create fault logs.

PMBus commands support power supply sequencing, precision point-of-load voltage adjustment and margining.

DACs use a proprietary soft-connect algorithm to minimize supply disturbances.

Overview

LTC2975 4-Channel PMBus Power System Manager Featuring Accurate Input Current and Energy.