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ACS71020 Hall-effect Power Sensing and Overcurrent Detection Breakout -7Semi

ACS71020 Hall-effect Power Sensing and Overcurrent Detection Breakout -7Semi

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ACS71020 Hall-effect Power Sensing and Overcurrent Detection Breakout -7Semi The ACS71020 Hall-effect Power Sensing and Overcurrent Detection Breakout by 7Semi offers a precision, isolated power monitoring solution designed for demanding industrial and high-power environments. Featuring integrated 16-bit ADCs, it delivers highly accurate real-time voltage and current measurements with a current sensing range of up to 90A. The module ensures safe operation through reinforced electrical isolation rated at 517 VRMS, eliminating the need for extra isolation components. With flexible communication options via I2C and SPI, it easily integrates with embedded and microcontroller systems. Enhanced with temperature compensation, offset correction, and voltage …
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ACS71020 Hall-effect Power Sensing and Overcurrent Detection Breakout -7Semi The ACS71020 Hall-effect Power Sensing and Overcurrent Detection Breakout by 7Semi offers a precision, isolated power monitoring solution designed for demanding industrial and high-power environments. Featuring integrated 16-bit ADCs, it delivers highly accurate real-time voltage and current measurements with a current sensing range of up to 90A. The module ensures safe operation through reinforced electrical isolation rated at 517 VRMS, eliminating the need for extra isolation components. With flexible communication options via I2C and SPI, it easily integrates with embedded and microcontroller systems. Enhanced with temperature compensation, offset correction, and voltage monitoring capabilities, the breakout supports comprehensive power analysis by providing key metrics such as active, reactive, and apparent power, along with RMS and instantaneous measurements, making it ideal for precise power system management and overcurrent fault detection. Features: Wide Current Sensing Range: Measures currents from 0 to 90A and is ideal for both low and high-power systems. Dual Communication Interface: A seamless connection via I2C or SPI allows for maximum design flexibility. High-precision 16-bit ADCs: Provide accurate voltage and current measurements for trustworthy power data. Advanced Power Analysis: Determines active, reactive, and perceived power, as well as power factor. Electrical Isolation: Reinforced up to 517 VRMS, removing the need for two isolated supplies. Fault Detection Features: Include overcurrent fault output pins and customizable voltage threshold notifications. Temperature Resilience: Can operate in a wide temperature range, making it suited for severe industrial environments. Zero Crossing Detection: The dedicated pin for voltage zero crossing improves phase control applications. Hall-Effect Sensing: Provides common-mode stray field rejection for enhanced signal integrity. Data Transmission Data transfer over I2C consists of numerous phases, as indicated in the sequence below. Start Condition: Defined by a negative edge on the SDA line, initiated by the Master while the SCL is high. Address Cycle: A 7-bit slave address plus one bit to indicate write (0) or read (1), followed by an acknowledge bit. Data Cycles: Reading or writing eight bits of data, followed by an acknowledgement bit. This cycle can be repeated to transport numerous bytes of data. The register address could be the first data byte received during a write. Stop Condition: A positive edge on the SDA line with SCL high.

  • Measures current up to 90A with high precision
  • Integrated 16-bit ADCs for accurate voltage and current readings
  • Reinforced isolation up to 517 VRMS for safe operation
  • Supports I2C and SPI communication protocols
  • Calculates active, reactive, and apparent power with power factor
  • Zero-crossing detection for phase control applications
  • Overcurrent fault detection with dedicated output pins
  • Temperature-compensated for stable performance in industrial environments
  • Hall-effect sensing with common-mode stray field rejection
  • Dual communication interface (I2C/SPI) for design flexibility
  • Integrated temperature compensation and offset correction
  • Voltage monitoring with customizable threshold alerts
  • Reinforced isolation eliminates need for external components
  • Ideal for energy metering, motor control, and power monitoring systems
Current Sensing Range 0 to 90 A
Interface I2C or SPI
ADC 16-bit voltage and current ADCs
What is the maximum current the ACS71020 can measure?

The ACS71020 supports a wide current sensing range of up to 90A, suitable for both low and high-power systems.

Is the ACS71020 breakout compatible with Arduino and Raspberry Pi?

Yes, it supports I2C and SPI communication, making it fully compatible with Arduino, Raspberry Pi, and other embedded platforms.

Does the module provide electrical isolation?

Yes, it offers reinforced isolation up to 517 VRMS, eliminating the need for external isolation components.

What power metrics can the ACS71020 calculate?

It calculates active, reactive, and apparent power, RMS values, power factor, and supports zero-crossing detection.

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About ACS71020 Hall-effect Power Sensing and Overcurrent Detection Breakout -7Semi by 7Semi

Shop ACS71020 Hall-Effect Power Sensor. Measures up to 90A, I2C/SPI. Compatible with Arduino & Raspberry Pi. Industrial grade.

Categorised under: Industrial

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7Semi SHT45 ±1.0% RH ±0.1°C S…
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7Semi SHT45 Humidity & Temperature Sensor Breakout Board with 4-Pin Connector Get reliable and highly precise environmental readings with the 7Semi SHT45 Humidity & Temperature Sensor Breakout, engineered for applications where accuracy truly matters. Built on Sensirion’s advanced SHT45 platform, this compact module delivers outstanding measurement performance with ±1.0% RH humidity accuracy and ±0.1°C temperature accuracy. Whether you're developing an HVAC controller, creating a weather-monitoring setup, or designing a smart agriculture system, this breakout ensures stable, real-time data you can trust. Designed with a 4-pin JST connector and I2C communication, the sensor integrates effortlessly into microcontroller projects using platforms such as Arduino, ESP32, or Raspberry Pi. The ultra-low power consumption and wide operating voltage range make it ideal for both portable and embedded IoT devices. Its fast response time and factory-calibrated output allow creators, engineers, and automation designers to build systems that depend on precise climate data without additional tuning. This makes it an excellent choice for environmental monitoring, industrial automation, and smart home development. Features: Provides exceptionally accurate measurements with ±1.0% RH humidity accuracy and ±0.1°C temperature accuracy for reliable environmental tracking. Covers a wide operating range of 0–100% RH and -40°C to 125°C, making it suitable for diverse climates and industrial environments. Delivers fast response times, ensuring timely humidity and temperature updates for real-time applications. Designed with ultra-low power CMOSens® technology, making it ideal for long-duration, battery-powered systems. Offers seamless integration through its I2C interface and 4-pin JST connector, enabling quick and secure connectivity with most MCUs. Operates efficiently across a supply voltage range of 1.08V to 3.6V, enhancing compatibility across different devices. Comes factory-calibrated with a certification, ensuring immediate plug-and-play accuracy without additional configuration.
₹946.08  
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₹1583.40
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