Analog Devices Inc. LTC2975 4-Channel PMBus Power System Managers

Analog Devices Inc. LTC2975 4-Channel PMBus Power System Managers (PSMs) are designed to sequence, trim (servo), margin, supervise, manage faults, provide telemetry, and create fault logs. These digital PSMs with PMBus compliant command set supports power supply sequencing, precision point-of-load voltage adjustment, and margining. The programmable fault responses can disable the power supplies with an optional retry after a fault is detected. The faults that disable the power supplies can automatically trigger black box EEPROM storage of fault status and associated telemetry. The LTC2975 PSMs feature an internal 16-bit Analog-to-Digital Converter (ADC) that monitors four output voltages, four output currents, four external temperatures, input-voltage, input-current, and die-temperature. Typical applications include computers, network servers, industrial test and measurement, video and medical imaging, and high-reliability systems.