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Automotive Product Finder Magazine | TDK launches HAL 3900 sensor
TDK launches HAL 3900 sensor
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The Japanese electronics company TDK Corporation has expanded its Micronas position sensor portfolio with a new member of the previously announced masterHAL sensor family HAL 39xy. The new HAL 3900 features real 3D magnetic-field measurement capability and 2D stray-field robust position detection. Measurement data is delivered via a high-speed SPI interface.
The sensors meet today’s and tomorrow’s automotive and industrial market needs and offer four different measurement modes in a single device: Linear position detection, rotary 360° angle detection and rotary 180° angle detection with stray field compensation including gradient fields as well as the capability for real 3D magnetic field measurement (BX, BY, BZ). Start of production is planned for second quarter 2020.
The heart of the HAL 3900 sensor is the patented 3D HAL pixel cell technology. It not only helps to measure magnetic fields very accurately, but also enables the measurement of all three magnetic-field components at one single spot. By measuring the BX, BY and BZ components, the sensor is able to detect the direction of the magnetic field. At the same time, the unique concept of an array of Hall plates offers a 2D stray-field compensation. The highly flexible sensor array of the HAL 3900 sensor helps design engineers to select the best operation mode for any given measurement task. The HAL 3900 is the only solution available on the market that integrates all four modes in a single device.
The combination of SPI interface and 3D capability makes the HAL 3900 a perfect solution for applications like gear shifters or steering column switches. The unique stray-field concept makes the sensor fit for applications requiring a stray-field robust off-axis measurement.
Japanese Electronics Company
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