7Semi ACS772 50A 200KHz Current Sensor, Automotive Grade

The 7Semi ACS772 50A Current Sensor is an automotive-grade, high-bandwidth Hall-effect current sensor module designed for measuring DC or AC currents up to ±50 A. With a 200 kHz bandwidth and isolated Hall-effect sensing, it offers reliable, galvanically isolated current measurement ideal for automotive systems, battery management, motor control, and power electronics applications. It is a robust choice wherever contactless, isolated current sensing is required to monitor high currents safely and accurately.

Technical Specifications:

• Sensor Type: Hall-effect current sensor (closed-loop)
  
• Current Range: ±50 A (bidirectional)
  
• Bandwidth: 200 kHz (suitable for fast-changing currents and PWM signals)
  
• Output: Analog voltage proportional to sensed current
  
• Isolation: Galvanic isolation - sensor measures current without direct electrical connection to the power line
  
• Supply Voltage: Standard for automotive-grade Hall sensors (as per ACS772 series)
  
• Response: Fast dynamic response appropriate for AC, DC, and PWM loads
  
• Accuracy and Sensitivity: As per ACS772 50A specifications (precision Hall sensor)
  
• Thermal & Environmental Stability: Suitable for automotive / industrial environments

Features:

• Measures up to ±50 A - supports both current directions (bidirectional sensing)
  
• High bandwidth (200 kHz) - accurate measurement of fast-changing currents, PWM, and dynamic loads
  
• Galvanic isolation - safe, non-invasive current sensing without direct electrical connection to load
  
• Suitable for DC, AC, and PWM-based current measurements
  
• Robust, automotive-grade design - resistant to environmental stress, high currents, and suitable for harsh conditions
  
• Analog output - compatible with microcontrollers and ADC-based monitoring systems
  
• Reliable for battery monitoring, motor control, renewable energy systems, and industrial power electronics

Applications:

• Automotive systems - battery monitoring, motor current sensing, alternator/load monitoring
  
• Battery management systems - tracking charge/discharge currents, battery health monitoring
  
• Motor control and driver circuits - DC motors, BLDC motors, servo drives, with accurate real-time current measurement
  
• Power electronics - inverters, converters, UPS, and DC-DC systems requiring current feedback and protection
  
• Renewable energy systems - solar charge controllers, battery banks, energy storage monitoring
  
• Industrial automation and machinery - current monitoring, load diagnostics, overload protection
  
• Robotics and mechatronics - current sensing for actuators, motors, and control feedback
  
• DIY and embedded projects - where isolated, high-current sensing is needed
  
• Thermal, overload or fault detection systems - using current sensing for safety and diagnostics