As an end-of-line programmable switch, HAL 1002 provides several benefits to customers over pre-programmed sensors: HAL 1002 enables customers to increase their production yield by special compensating for mechanical tolerances or to simplify the production process and minimize total cost of ownership by using one sensor for different applications, significantly reducing logistic, qualification and manufacturing costs.
The integrated non-volatile memory, based on redundant EEPROM cells, enables various customization potential by programming switching thresholds, sensor type (unipolar or latch), output behaviour (direct or inverted) and south or north pole sensitivity as well as several temperature coefficients, tailoring the device to all common used magnetic materials. As a unique feature when comparing to other competitive products, the HAL 1002 allows the customer to program the switching thresholds independently from each other in the extreme wide magnetic range of ±150 mT and in very small steps of <0.5% with a maximum threshold precision of ±0.1%. Thus the sensor offers the highest programming flexibility on the market and thus the best adjustment to customer’s application setup during manufacturing process.
A self-learning function called TCOST (Total Compensation of System Tolerances) allows for the independent programming of the two switching thresholds. TCOST enables gauging of the complete system between the two calibration points with a resolution of 12 bit. To provide an easy programming setup, the HAL 1002 is programmable by modulating the supply voltage, avoiding additional programming pins.
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