ACS758 Hall Current Sensor Module – 100A Analog

The ACS758 100A Hall-Effect Current Sensor Module is a precision current sensing device designed for measuring AC and DC currents in power electronics systems. Based on Hall-effect technology, it provides an electrically isolated analog voltage output proportional to the measured current while maintaining minimal insertion loss. Operating from a 3.3–5 V supply, the module offers high linearity, low noise, and stable measurement performance. It is suitable for motor control systems, power supply monitoring, battery management, and industrial automation applications requiring reliable current sensing. Features - Hall-effect current sensing technology - Measures AC and DC currents up to ±100 A - Electrically isolated measurement output - Analog voltage output proportional to current - Low insertion loss conductor path - High linearity measurement response - Wide supply voltage range 3.3–5 V - Low noise signal output - Fast response for dynamic current monitoring - Integrated high-current copper conduction path - Suitable for high-power monitoring systems - Compatible with Arduino and microcontroller ADC inputs Specifications - Current sensing range: ±100A AC/DC - Sensor technology: Hall-Effect current sensor - Supply voltage: 3.3V – 5V DC - Output type: Analog voltage output - Sensitivity: ~20 mV/A (typical) - Output offset voltage: ~Vcc / 2 - Linearity error: ±1% typical - Response time: < 5 µs - Isolation type: Hall-effect galvanic isolation - Operating temperature: ?40°C to 125°C - Conductor resistance: ~100 µ? - Module interface: Analog output pin Links - ACS758 100A Hall-Effect Current Sensor Module Datasheet - ACS758 100A Hall-Effect Current Sensor Module 3D Model - ACS712 Enclosure Tutorials Using Allegro ACS758 Current Sensor with Arduino for 50A to 200A RJT82