PAC1934

PAC1934 Quad High-Side current sensor with I2C, 32V, 16-bit power calculation, accumulator, bi-directional, 100mV full scale range

制造商:Microchip

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    The PAC1934 is a four channel power/energy monitor with current sensor amplifier and bus voltage monitors that feed high resolution ADCs.  Digital circuitry performs power calculations and energy accumulation.  The PAC1934 enables energy monitoring with integration periods from 1 ms to up to 36 hours.  Bus voltage, sense resistor voltage, and accumulated proportional power are stored in registers for retrieval by the system master or embedded controller.

    The sampling rate and energy integration period can be controlled over SMBus or I2C.  Active channel selection, one-shot measurements, and other controls are also configurable.  The PAC1934 uses real time calibration to minimize offset and gain errors.  No input filters are required for this device.

      High-Side Current Sensor (4 Channels)

      100 mV full scale voltage sense range, 16-bit resolution

      Bidirectional or unidirectional options

      Wide Bus Voltage Measurement Range 0V to 32V, 16-Bit Resolution

      1% Power Measurement Accuracy Over a Wide Dynamic Range

      On-Chip Accumulation of 28-Bit Power Results for Energy Measurement

      48-bit power accumulator register for recording data

      24-bit accumulator count

      User programmable sampling rates of 8, 64, 256, 1024 samples per second

      36 hours of power data accumulation at 8 samples per second

      2.7V to 5.5V Supply Operation

      Separate I/O Pin for Digital I/O 1.62-5.5V

      I2C® Fast Mode Plus (1Mp/S) and SMBus 3.0

      WLCSP package (2.225 x 2.17)

    Applications

      WIN10 laptop, tablet, workstation, cell phone

      Networking

      Automotive

      Linux® Systems

      Linux, Microsoft®, and Cloud Servers

      Industrial

    应用案例