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Asahi Kasei Microdevices Corporation

Hall Sensors

Hall Sensors

Asahi Kasei Microdevices Corporation

Description

A Hall sensor is a magnetic sensor that detects magnetic fields (flux density). Specifically, it utilizes a Hall effect to detect magnetic fields and convert them into electrical signals. This technology is indispensable for precision control and is utilized in air conditioners, home appliances, automotive systems, and smart devices.

The Hall sensors developed by AKM are required to have high sensitivity, fast response, and excellent resistance to temperature changes. To achieve this, we have leveraged our extensive experience and technical expertise to develop cutting-edge products.

More products by Asahi Kasei Microdevices Corporation

Current Sensors ”Currentier"

"Currentier" is the brand name of AKM's coreless current sensor IC. It is the coined word which comes from combination of "Current" and "Frontier". Coreless current sensor has common advantage of small size.

Compared to the other general coreless current sensor ICs, Currentier has more attractive advantages: low-heat generation, high resolution, fast response, and high accuracy.

1. Reducing System size (substrate and equipment size)

  • The board area for heat dissipation can be reduced because of ultra-low heat generation.
  • Smaller IC size and fewer peripheral parts
  • Downsizing peripheral parts because Currentier can support higher switching frequencies

2. Simplifying thermal design

Thermal design can be simplified because the primary conductor has low resistance and heat generation is very low.


3. Redusing design man-hours

Currentier supports a wide current measurement range of ±5 to 180App in the same packages.
It achieves standardization of parts and circuit substrates, and can reduce design man-hours.

4. Creating a safer system

  • Creepage/Clearance distance of 8mm or more ( It is compliant with isolation properties which are defined in UL61800-5-1 )
  • Available for 400V reinforced insulation
  • Suitable for overcurrent detection with fast response (1us)

5. Improving system efficiency and providing more precise control

  • Achieves the same level of high accuracy as a closed-loop and improves system efficiency
  • High resolution can suppress vibration of servo motor and achieve more precise motor control
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