New Magneto-Resistance Sensor from Aceinna 

Aceinna, a developer of high performance, thin film Magneto-Resistance (xMR) based current sensors, today announced the launch of the MCx2101 family of AEC-Q100 qualified automotive current sensors. These fully integrated, single-chip solutions offer exceptional accuracy, high bandwidth, and fast response time, making them ideal for demanding automotive power conversion applications in electric, hybrid, and ICE vehicles. 

“The MCx2101 family pushes the boundaries of current sensor performance, enabling automotive engineers to maximize the benefits of fast switching SiC/GaN power devices and simplify system design and improve overall efficiency. xMR technology represents an advanced technology platform outperforming traditional Hall based current sensing solutions in bandwidth, response time and noise.,” said Teoman Ustun, VP of Automotive Business Unit at ACEINNA. “With industry-leading accuracy, high bandwidth, and fast response time, these sensors contribute to improved performance, protection and reliability across a wide range of automotive power applications.” 

Key Features of the MCx2101 Family of Current Sensors: 

  • AEC-Q100 qualified for automotive applications 
  • Fully integrated single-chip design in SOIC16 package 
  • High 3dB bandwidth of 5MHz for fast switching SiC/GaN 
  • Low phase delay for fast and stable power control   
  • Fast output response time of 80ns for optimum protection 
  • High accuracy with typical total error as low as 0.6% 
  • Low noise density of 35 µA/ÖHz for high SNR 
  • High PSRR of -80dB @1kHz 
  • Operates at 3.3V and 5V for system flexibility 
  • Available in fixed gain (MCA) and ratiometric (MCR) options 
  • Nominal current ranges from +/-5A to +/-65A 
  • Temperature range of -40C to +125C 
  • Cost-optimized for volume applications 

Target applications for the MCx2101 family include on-board chargers and fast DC chargers, automotive motor drivers, inverters and servo drives, automotive DC-DC, AC-DC power supplies, solar panel inverters, data center power supplies, uninterruptible power supplies (UPS) and AC-DC Power systems (PFC). The MCx2101 family is available now for volume production. For more info, visit: