Tri-axis Magnetic Sensors

New Product

The World's Smallest Class*
Tri-axis Magnetic Smart Switch for various purposes


Wide measurement range and high resolution, ideal for use in combination with magnet

AK09973D is ideal for non-contact detection of relative distances, postures and angles with magnets using in combination with a magnet. Utilizing the magnetic threshold interrupt function and ultra-low power consumption, it is also suitable for battery-powered security monitoring devices.

Customer Stories

AK09940 Inside​
TDK SmartBug™ uses high precision tri-axis magnetic sensor​

Asahi Kasei Microdevices Corporation (AKM) is proud to announce that TDK InvenSense uses our high precision tri-axis magnetic sensor AK09940 in its “SmartBug™”.​

TDK SmartBug™ (MD-42688-P) is a multi-sensor wireless module that leverages TDK’s MEMS sensors and algorithms for a wide range of IoT applications. This module combines six sensors, a powerful wireless (BLE) MCU, seven algorithm driven features and a rechargeable battery, in a small enclosure. It also comes with the option of an Add-On board that includes a WiFi module, an SD card slot and an ultrasonic sensor from TDK.​