Product Overview

The ACS71020 Hall-effect module, designed for power monitoring and overcurrent detection, provides users with the option to connect wires or headers through its through-holes, streamlining the linkage of any ACS71020 pin to an application. This power monitoring module offers a precise and isolated solution for sensing current, voltage, and power, supporting both I2C and SPI interfaces.

Covering a current-sensing range from 0 to 90A, the ACS71020 Hall-effect Power Monitoring and Overcurrent Detection Breakout establishes itself as a resilient and versatile device for supervising power systems in applications demanding high power.

Integration into existing systems is made seamless through the I2C or SPI communication interface, enabling effortless connection to microcontrollers or other devices. The incorporation of 16-bit voltage and current ADCs guarantees a superior level of accuracy and precision.

Boasting advanced functionalities such as temperature compensation, offset correction, and overcurrent detection, the ACS71020 Hall-effect Power Monitoring and Overcurrent Detection Breakout emerges as a highly reliable tool for power monitoring. Its operational capability across a wide temperature spectrum further enhances its suitability for use in challenging industrial environments.

For those involved in power systems, the ACS71020 Hall-effect Power Monitoring and Overcurrent Detection Breakout proves indispensable. Its exceptional accuracy, advanced capabilities, and smooth integration make it a crucial asset for monitoring and identifying overcurrent incidents across a diverse array of applications.

Key Features

Current-sensing range from 0 to 90 A
I2C or SPI communication
16-bit voltage and current ADCs
Accurate power monitoring of AC applications
Reinforced isolation up to 517 VRMS in a single package eliminates the need for dual isolated supplies
Active, reactive, and apparent power measurements, and power factor
RMS and instantaneous voltage and current measurements
Dedicated voltage zero crossing pin
Overcurrent fault output pin
Hall-effect-based current measurement with common mode stray field rejection
User-programmable VRMS under/overvoltage pin

Data Transmission
The transmission of data over I2C is composed of several steps outlined in the sequence below.

Start Condition: Defined by a negative edge of the SDA line, initiated by the Master while SCL is high.
Address Cycle: 7-bit Slave address, plus 1 bit to indicate write (0) or read (1), followed by an Acknowledge bit.
Data Cycles: Reading or writing 8 bits of data, followed by an Acknowledge bit. This cycle can be repeated for multiple bytes of data transfer. The first data byte on a write could be the register address.
Stop Condition: Defined by a positive edge on the SDA line while SCL is high.

Resources