LTC2971 2-Channel ±60 V Power System Manager

LTC2971 2-Channel ±60 V Power System Manager


Analog Devices’ DC2875A is a demonstration system for the LTC2971 power system manager that interfaces to various regulators.

ADI’s LTC2971, 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.

The DC2875A is a demonstration system for the LTC2971 power system manager that interfaces with various regulators. The board contains all the circuitry needed to demonstrate a power system that utilizes two 2-channel LTC2971 devices that manage four power supplies. The four power supplies include various switching regulators for demonstrating a variety of methods to sense voltage and current. The demo board provides a sophisticated 4-channel digitally programmable power supply system.


  • Natively sense and monitor negative voltage supplies, eliminating external level shift circuitry which saves cost, simplifies design, and improves accuracy
  • Internal EEPROM with ECC provides essential black box fault logging, allowing for faster failure analysis and system debug
  • ±0.25 % TUE differential ADC (sets trim, margin, and monitoring accuracy) improves the accuracy of 2 supplies, minimizing overdesign and cost, optimizing performance, and saving power

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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