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HomeElectronicsPCB-Much less 3D Magnetic Sensor With Multi-Directional Measurement Functionality

PCB-Much less 3D Magnetic Sensor With Multi-Directional Measurement Functionality


A31316 is a versatile and strong 3D Magnetic Sensor for safety-critical programs. It’s able to withstanding excessive temperatures and moisture with out degradation in efficiency.

Allegro has introduced A31316, a PCB-less 3D Corridor-effect place sensor that is available in a small 4 × 4 mm physique PCB-less bundle. The IC contains the business’s quickest SENT protocol with 0.5 µs to 10 µs tick occasions and features a pulse-width modulation (PWM) interface with 125 Hz to 16 kHz service for a easy digital interface to microcontrollers. The A31316 is good for automotive security and superior driver help programs (ADAS) purposes that require excessive ranges of flexibility and dependable efficiency in harsh circumstances with excessive vibrations such because the powertrain of automobiles and demanding industrial purposes that require linear or rotary sensing.

The A31316 sensor integrates the die and capacitors in a single bundle to handle the necessity for high-performance, compact-position sensors which might be strong. The A31316 can allow versatile integration for precision contactless place sensing. It’s Allegro’s first magnetic place sensor to offer multi-direction measurement in a PCB-less SIP bundle. The A31316 gives designers with a configurable sign path and versatile linearization for end-of-line calibration to optimize measurement accuracy.

“Automobiles have gotten extra complicated with every passing yr, and the variety of sensors wanted in trendy security and ADAS purposes is rising quickly. System designers are in search of choices which might be each versatile and strong, and the A31316 meets that want,” says Scott Milne, Enterprise Line Director for Place Sensors at Allegro. “It’s an important choice for safety-critical purposes—similar to restraint and shifter programs, parking locks, and inhibitor switches—or for difficult purposes—similar to transmissions and braking programs, the place warmth and moisture can degrade efficiency. We’re excited to allow the subsequent era of car security programs with this know-how.”

The A31316 integrates a Manchester interface for programming the EEPROM via the output pin, which eliminates the necessity for a separate programming interface. Furthermore, the sensor employs the business’s quickest SENT protocol with 0.5 µs to 10 µs tick occasions. The A31316 is obtainable in a three-pin PCB-less SIP bundle.




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