ANALOG DEVICES LTC2975IUP#PBF Power Management IC, PMBus, 110 kHz, 4-Channel, 4.5 to 15 V, -40 to 105 °C, QFN-EP-64

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. Supervisory functions include over and under current, voltage and temperature threshold limits for four power supply output channels as well as over and under voltage threshold limits for a single power supply input channel. Faults that disable a power supply can automatically trigger black box EEPROM storage of fault status and associated telemetry. An internal 16bit ADC monitors four output voltages, four output currents, four external temperatures, input voltage and current, and die temperature. Input power, energy, and output power is also calculated. Typical applications are computers and network servers, industrial test and measurement, high reliability systems, video and medical imaging.

• Manage faults, monitor telemetry and create fault logs, PMBus� compliant command set
• Supported by LTpowerPlay® GUI, margin or trim supplies to within 0.25% of target
• Monitor input current (±1%) and accumulate energy
• Fast OV/UV and OC supervisors per channel, automatic fault logging to internal EEPROM
• Coordinate sequencing and fault management across multiple ADI PSM devices
• Operate autonomously without additional software
• External temperature and input voltage supervisors, pin-compatible to the LTC2974
• VPWR supply input operating range from 4.5 to 15V (VDD33 floating, TJ=25°C)
• 64-lead plastic QFN package
• Temperature rating range from -40°C to 105°C

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party