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Производитель:Linear Technology

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


Варианты написания: LTC2975CUPPBF, LTC2975CUP PBF

Выписка из документа:
FeaTures LTC2975 4-Channel PMBus Power System Manager Featuring Accurate Input Current and Energy Measurement DescripTion
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. 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. Programmable fault responses can disable the power supplies with optional retry after a fault is detected. Faults that disable a power supply can automatically trigger black box EEPROM storage of fault status and associated telemetry. An internal 16-bit 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. A programmable watchdog timer monitors microprocessor activity for a stalled condition and resets the microprocessor if necessary. A single wire bus synchronizes power supplies across multiple LTC Power System Management (PSM) devices. Configuration EEPROM supports autonomous operation without additional software.
L, LT, LTC, LTM, Linear Technology, the Linear logo, µModule and PolyPhase are registered trademarks and LTpowerPlay is a trademark of Linear Technology Corporation. PMBus is a trademark of SMIF, Inc. All other trademarks are the property of their respective owners. Protected by U.S. Patents including ...

На английском языке: Datasheet Linear Technology LTC2975CUP#PBF

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