AK8928SA

Series:	*
Part Status:	Obsolete

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AK8928SA application field and working principleThe AK8928SA is a MEMS (Micro Electro-Mechanical System) based electronic compass sensor. It is typically used to detect the direction and strength of a magnetic field. This type of sensor has a number of applications.In smartphones, tablets, and wearables, the AK8928SA is most commonly used as a gaming control or to determine the orientation of the device. For example, a smartphone placed in portrait orientation can be used to “tilt” the screen in a game. For head-mounted displays (HMDs), AK8926SA compasses can be used to provide data on orientation and gyroscope data, which can be used to inform navigation in virtual and augmented reality applications.The AK8928SA works by measuring the amount of Earth’s barreling magnetic field in each of three separate axes, usually designated as X, Y, and Z. Inside the chip is a small plastic-covered micrometer-scale cantilever that contains a permalloy magneto-resistive read head. When a mechanical force (such as a magnetic field) is applied, the cantilever deflects accordingly. The change in resistance of the permalloy material is then measured by the read head and can be accurately mapped to a particular direction.In addition to detecting and measuring directional changes, the AK8928SA is also able to detect different field strengths, providing users with more detailed results about their environment. This makes it ideal for use in calibration and tracking applications.The AK8928SA also offers very low power consumption, making it a very efficient and effective solution for many uses. And, as an added layer of convenience, it can be programmed to automatically send out signals when it senses a magnetic field change, reducing the need for the user to constantly monitor the sensor.The AK8928SA is a highly versatile sensor that can be used in a wide range of applications. It can be used to detect directions, measure field strengths, and serve as a controller in gaming and navigation systems. With its low power consumption and easy implementation, it’s a great choice for any system that needs accurate and reliable sensing.

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