ACIENNA introduces MCx1101 family of ±5A, ±20A, and ±50A current sensors

  • February 12, 2019
ACIENNA introduces MCx1101 family of ±5A, ±20A, and ±50A current sensors
ACIENNA introduces MCx1101 family of ±5A, ±20A, and ±50A current sensors

February 12, 2019 - ACEINNA announced its MCx1101 family of ±5A, ±20A, and ±50A Current Sensors for industrial and power supply applications. The first AMR-based current sensors on the market, units and evaluation boards are available now for sampling and volume shipments.

The MCx1101 are fully integrated, bi-directional current sensors that offer DC accuracy and dynamic range. For example, the ±20A version has a typical accuracy of ±0.6% and are guaranteed to achieve an accuracy of ±2.0% (max) at 85°C.

These current sensors also guarantee an offset of ±60mA, or ±0.3% of FSR (max) over temperature, which means that accuracy can be achieved over a roughly 10:1 range of currents.

These devices deliver a combination of accuracy, 1.5MHz signal bandwidth with industry benchmark phase shift vs. frequency and 4.8kV isolation making them suitable for high- and low-side sensing in fast current control loops for power supplies, inverters and motor control applications.

The response and bandwidth of the MCx1101 is also suitable for fast switching SiC and GaN based power stages enabling power system designers to make use of the higher speeds and smaller components enabled by band-gap switches.  Output step response time is 0.3us. The MCx1101 also provides an integrated over current detection flag to help implement  OCP (Over Current Protection) required in modern power systems. Over current detection response time is 0.2us.

The family includes ±50, ±20, and ±5A ranges, and is offered in both fixed gain (MCA1101) and ratiometric gain (MCR1101) versions. It is packaged in an industry standard SOIC-16 package with a low impedance (0.9 milli-ohm) current path and is certified by UL/IEC/EN for isolated applications.

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