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ПроизводительLinear Technology

Wide Range I2C Power Monitor


  • Скачать » Datasheet, PDF, 815 Кб, Версия: B, Файл закачен 25-09-2017
    LTC2945 - Wide Range I2C Power Monitor
    Выписка из документа ↓
    Wide Range
    I2C Power Monitor
    FEATURES n n n n n n n n n n n n n DESCRIPTION Rail-to-Rail Input Range: 0V to 80V
    Wide Input Supply Range: 2.7V to 80V
    Shunt Regulator for Supplies >80V
    Δ∑ ADC with less than ±0.75% Total Unadjusted Error
    12-Bit Resolution for Current and Voltages
    Internal Multiplier Calculates 24-Bit Power Value
    Stores Minimum and Maximum Values
    Alerts When Limits Exceeded
    Additional ADC Input Monitors an External Voltage
    Continuous Scan and Snapshot Modes
    Shutdown Mode with IQ < 80ВµA
    Split SDA for Opto-Isolation
    Available in 12-Lead 3mm Г— 3mm QFN and MSOP
    Packages The LTCВ®2945 is a rail-to-rail system monitor that measures current, voltage, and power. It features an operating
    range of 2.7V to 80V and includes a shunt regulator for
    supplies above 80V to allow flexibility in the selection of
    input supply. The current measurement range of 0V to
    80V is independent of the input supply. An onboard 0.75%
    accurate 12-bit ADC measures load current, input voltage
    and an auxiliary external voltage. A 24-bit power value is ...


    ЭлитанLinear TechnologyLTC2945HUD-1253 руб.
    ЭлрусLTC2945HUD-1#PBFпо запросу
    ДКО ЭлектронщикLinear TechnologyLTC2945HUD-1#PBFпо запросу
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Корпус / Упаковка / Маркировка

Корпус3x3 QFN-12
Код корпусаUD
Индекс корпуса05-08-1855


Demo BoardsDC1697A
Design ToolsLTspice Model,Linduino File
Экспортный контрольнет
Основные особенностиI2C Interface, Voltage Monitor, Current Monitor, Power Monitor
I/OSerial I2C
Isupply0.8 мА
Number of Supplies1
Рабочий диапазон температурот -40 до 125 °C
Vin Range-80V to +80V (extendable to higher voltages)

Экологический статус



  • Скачать » Статьи - LT Journal, PDF, 3.0 Мб, 09-07-2013
    3mm × 3mm QFN IC Directly Monitors 0V to 80V Supplies: Features I2C Interface, Peak Value Tracking and Runs from Any Supply
    Выписка из документа ↓
    design features 3mm Г— 3mm QFN IC Directly Monitors 0V to 80V Supplies:
    Features I2C Interface, Peak Value Tracking and Runs from
    Any Supply
    CY Lai Power monitoring in combination with control mechanisms can significantly boost
    system energy efficiency and reliability. The LTC2945 is a highly integrated digital
    power monitoring solution that is compact, rugged and easy-to-use. It is designed to
    fit applications requiring power monitoring with a minimal number of components.
    MONITOR POWER ON ANY SUPPLY The secondary supply exists, but is not
    readily accessible—it is inconveniently
    located on the printed circuit board,
    complicating the routing of a power line The LTC2945’s internal current sense
    amplifier features a common mode range
    of 0V to 80V to suit a wide variety of high
    side and low side current sensing applications. Most wide range supply monitors
    available today require a low voltage
    secondary supply for operation, which
    can be undesirable for several reasons: The LTC2945 avoids these problems by
    integrating a high voltage linear regulator
    that can be powered directly from 4V to
    80V supplies. The output of the linear regulator (INTVCC) powers the LTC2945, and can
    be externally bypassed to prevent supply
    noise from corrupting the signal integrity
    of internal circuitry. The linear regulator is ...

Модельный ряд

Серия: LTC2945 (24)

Классификация производителя

  • Signal Conditioning > Amplifiers > Current Sense Amplifiers
  • Monitor, Control and Protection > Power Monitors
  • Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) System Monitor

Варианты написания:


На английском языке: Datasheet Linear Technology LTC2945HUD#PBF

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