Скачать или смотреть 0.65 mm Magnetic Switch Sensors

We demonstrate new precision magnetic switch sensors in ultraminiature Wafer-Level Chip-Scale Packages.
Our previously introduced Wafer-Level Chip-Scale parts were designed for 1.5 volts ( see https://www.nve.com/webstore/supply-v... ). The newest parts operate on 3.3 volt supplies for interface to standard logic or microprocessors.

We power the sensor from the 3.3-volt supply of a 5 V Arduino with an external 100 K pullup to the sensor supply. You can use the microprocessor's internal pullup with a 3.3-volt microprocessor.

The sensors are very sensitive, with a 1 mT operate point. It can detect an ultraminiature, 1 mm diameter magnet. And the sensors are omnipolar, so you don't have to worry about magnet polarity.

We demonstrate how you can use the sensor for teeny-tiny mechanisms as a limit switch for a miniature linear actuator.

These are the first sensor two 3V WLCSP models:
1 mT, 3V, Continuous-Duty Nanopower GMR Switch, WLCSP
https://www.nve.com/webstore/ADL925-20E

2.8 mT, 3V, Continuous-Duty Nanopower GMR Switch, WLCSP
https://www.nve.com/webstore/ADL924-20E

Here are links to the corresponding breakout boards:
https://www.nve.com/webstore/ADL924-2...
https://www.nve.com/webstore/ADL925-2...