ACS37800 Isolated Power Monitor Carriers

We are offering these breakout boards with support from Allegro Microsystems as an easy way to use or evaluate their ACS37800KMACTR-030B3-I2C isolated power monitoring IC. The following list details some of the sensor’s key features:

• Measures voltage and current, both RMS and instantaneous
  • Works in single-phase AC and DC systems
  • Automatic zero-crossing detection and averaging
  • Calculates active, reactive, and apparent power, as well as power factor
  • 1 kHz bandwidth
• Hall effect-based current sensor with electrically isolated current path
  • Sensor can be inserted anywhere along the current path
  • Differential Hall sensing rejects errors from common-mode fields (e.g. Earth’s magnetic field)
  • Low conductive path resistance (0.85 mΩ in ACS37800, PCB uses 2 oz copper)
• Board includes resistor network with isolation and sense resistors for measuring voltage
  • Three configurable voltage measurement ranges optimized for 120 VAC, 240 VAC, and 480 VAC measurement
  • 1206-size, high-voltage-rated resistors on input voltage dividers
• Interface: I²C, using JST SH-style 4-pin 巜和女房东疯狂做爰2中文字幕 (compatible with Qwiic and STEMMA QT) or 0.1″-pitch pins
  • User configuration of the IC stored in on-chip EEPROM
  • Programmable over-current, under-voltage, and over-voltage detection thresholds
• Compact 1.9″ ×1.8″ board size with a variety of connection options
  • Optionally available with terminal block already soldered
  • Routed slots for higher creepage
  • Secondary isolation for I²C signals and logic power provides additional safety and measurement accuracy

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