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LTC2971

Analog Devices
Part Number LTC2971
Manufacturer Analog Devices
Description 2-Channel Power-System Manager
Published Jan 17, 2021
Detailed Description LTC2971 2-Channel ±60V Power System Manager FEATURES n Sequence, Trim, Margin, Supervise, Manage and Log Faults, and Mo...
Datasheet PDF File LTC2971 PDF File

LTC2971
LTC2971

Overview
LTC2971 2-Channel ±60V Power System Manager FEATURES n Sequence, Trim, Margin, Supervise, Manage and Log Faults, and Monitor Telemetry of Two Power Supplies n Monitor Input Voltage from 0V to 60V, Input Current to Within 1%, and Accumulate Energy n Manage Outputs from −60V to 60V and Margin or Trim to within 0.
25% n 1.
8V to 3.
3V PMBus/SMBus/I2C Compliant Serial Interface n Supported by LTpowerPlay® GUI n Coordinate Sequencing and Fault Management Across Multiple ADI PSM Devices n Operate Autonomously Without Additional Software n Connect Directly to Regulator IMON Pins n Can Be Powered from 3.
3V, or 4.
5V to 60V n Available in a 49-Pin 7mm × 7mm BGA Package APPLICATIONS n Computers and Network Servers n Industrial Test and Measurement n High Reliability Systems n Video and Medical Imaging DESCRIPTION The LTC®2971, LTC2971-1, LTC2971-2, and LTC2971-3 are 2-channel high voltage Power System Managers used to sequence, trim (servo), margin, supervise, manage faults, provide telemetry and log faults.
DACs use a proprietary soft-connect algorithm to minimize supply disturbances.
Supervisory functions include over and under voltage and temperature threshold limits for two power supply output channels and one input channel.
Programmable fault responses can disable the power supplies, configure retry, and trigger black box EEPROM storage of fault status and associated telemetry.
An internal 16-bit ADC monitors two output voltages, two output currents, two external temperatures, input voltage and current, and die temperature.
Input power, energy, and output power are also calculated.
A programmable watchdog timer monitors microprocessor activity and resets if necessary.
A single wire bus synchronizes power supplies across multiple ADI Power System Management (PSM) devices.
Configuration EEPROM with ECC supports autonomous operation without additional software.
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