Magnetic Current Sensor, +/-20A, 5V, 1.5Mhz Bandwidth, Fixed Gain, 4.8kV Isolation, SOIC 16 package">

Isolated AMR Current Sensors


  • Overview
  • Specifications
  • Features and Benefits
  • Applications

The MCA1101-20-5 is part of Aceinna’s new generation of fully integrated, isolated, current sensor ICs that provide industry benchmark performance for accuracy, bandwidth, and step response time.  With total error as low as 0.6% (typ), 3dB bandwidth of 1.5MHz with low phase delay, and <300ns transient response, the MCA1101-20-5 provides power designers with an ideal current sensing solution for the critical electronic circuits that provide control, protection, or telemetry in many of today’s demanding power conversion applications.  The MCA1101-20-5 has 4.8kV of isolation (supports working voltages up 1097Vrm) and provides a fixed gain output with a 5V supply voltage.

Nominal Current +/- 20A
Accuracy 0.6% of Reading
Bandwidth 1.5MHz
Response Time 300ns
Supply Voltage 5.0V
Over Current Detection Time 200ns
Offset 20mA
Package Type SOIC16
Package Size 10 x 10mm
  • Total Error 1.5% of RD at 85°C (typ)
  • 1.5MHz Bandwidth at 3dB with low phase shift
  • Step Response time < 300ns
  • Low power consumption (6.5mA typ)
  • Low Resistance of Primary Current path (0.9mΩ)
  • Zero-current reference pin
  • Excellent accuracy and dynamic range over temperature
  • Gain independent of supply voltage (fixed gain)
  • Fully integrated, single-chip solution
  • High isolation in SOIC-16 package
    • 4.8kV isolation dielectric strength
    • 1097Vrms working voltage
    • 400V working voltage for reinforced isolation
  • AC-DC Power Systems (PFC)
  • DC-DC power conversion for server and telecom
  • Uninterruptible Power Supplies (UPS)
  • Motor control, inverters and servo drives
  • Battery charging systems
  • Industrial power systems

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