Leakage Current Sensor

IST8101

IST8101

4.0 x 4.0 x 0.85mm3, 32-pin QFN package
Analog and I2C digital output
Dynamic range: ± 500 uT
Output Data Rate: 200 Hz
Sensitivity: 660 or 1320 LSB/Gauss
Hysteresis: < 0.1% FS
Linearity: < 0.1% FS

Contact sales@isentek.com for more Info

The IST8101 is a cutting-edge ASIC chip engineered to control and process signals from magnetic current sensors. It enables precise, contact-free measurement of both AC and DC currents with exceptional accuracy across the entire operating temperature range. Leveraging an intelligent switching design, the IST8101 drastically reduces electrical offset and offset drift to achieve unparalleled performance.

Key Features

  • Integration of Multiple Functions: The IST8101 seamlessly integrates various functions into a single chip, including a multi-vibrator with duty cycle detection, digital-to-analog converter, fault detection, feedback, and self-test circuits.
  • Analog Output Signal: Provides an analog output signal directly proportional to the primary current, ensuring precise measurement capabilities.
  • Compliance: Alarm flags and self-test functions comply with both IEC 62752:2016 and UL2231 standards, ensuring reliability and adherence to industry regulations. AEC-Q100 compliance further attests to its quality and reliability.
  • Overcurrent Detection: Equipped with overcurrent detection and reference output features to enhance safety and operational efficiency.
  • Embedded E-fuse Memory: Features embedded E-fuse memory to store sensor parameters and chip configurations, enhancing flexibility and configurability.
  • Feedback Coil Support: Capable of driving a feedback coil, enabling a wide measurement range to accommodate diverse application requirements.
  • I2C Interface: Includes an I2C interface for digital output and communication, allowing for seamless configuration settings and compatibility with various setups.

Block Diagram

IST8101

Applications

  • Residual current measurement in EV charge cable
  • Leakage current measurement
  • System power consumption
  • Current sensing in inverters