AK09970D ULTRA-SMALL TRI-AXIS MAGNETIC SMART SWITCH

AKM’s AK09970D has 1/5 of the packaging area of the conventional AK09970N

AKM’s AK09970D is a device with a much smaller overall footprint than its conventional tri-axis magnetic smart switch sensor, the AK09970N. Mobile devices, such as smartphones and various wearable devices, can be equipped with this sensor that requires low power consumption and a high degree of freedom in placement. Applications include open/close, stroke, rotation, and push detection in mobile devices.

The AK09970D has a high sensitivity setting of 36mT on tri-axis. It is able to measure a wide range of magnetic field from microtesla to millitesla such as from geomagnetic to a magnet since it has high measurement resolution of 1.1µT/LSB in high sensitivity mode. In addition, wide range setting of 101mT can be achieved via the Z axis.

The AK09970D can operate using only a few µA, thus consuming a very low current that satisfies a demand of IoT products, (Refer to the Specification Table). It contributes to a long battery life of a product that needs constant acquisition of sensor data to monitor an object’s status.

The AK09970D measures magnetic field on all tri-axis via intermittent drive and outputs the result as digital data, (supporting I2C communications). It outputs a Data Ready alert to the dedicated register when the measurement data is updated. (0.25/0.5/1/10/20/50/100Hz interval modes or single measurement mode is selectable for intermittent drive options.)

The AK09970D has magnetic event interrupt pin. Two thresholds can be programmed for each axis, (setting the resolution equal to the measuring resolution). When a magnetic field that exceeds the threshold is sent, the AK09970D outputs a “Magnetic Event” interrupt to external output pin.

Read more: AK09970D ULTRA-SMALL TRI-AXIS MAGNETIC SMART SWITCH

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