Silicon Labs 1 Axis Surface Magnetic Position Sensor Hall Effect 3.3V-26.5V SOT-23 3-Pin Si7205-B-00-IVR

Silicon Labs Si7205-B-00-IVR is a highly precise, 1-axis surface magnetic position sensor that employs Hall Effect technology combined with CMOS technology for accurate magnetic field detection. Operating over a supply voltage range of 3.3 V to 26.5 V, this sensor is housed in a compact 3-pin SOT-23 package measuring 2.9mm in length, 1.6mm in width, and 1.15mm in height. It features industry-leading sensitivity of 1.1mT, enabling use with larger air gaps and smaller magnets, thus facilitating flexible design options.

With an extremely low supply current of 400nA, the Si7205-B-00-IVR is suitable for battery-powered devices needing long operating life. Its temperature operating range from -40°C to 125°C ensures reliable performance in a wide variety of industrial and automotive environments. The device supports fast response times of 8.8μs, making it ideal for applications requiring quick magnetic position detection and switching.

This sensor series integrates chopper-stabilized Hall elements, low-noise amplifiers, high-resolution 13-bit analog-to-digital converters (ADCs), and comparators to provide high precision magnetically activated switching. The omnipolar magnetic type means the device can respond to magnetic fields of either polarity, increasing its application flexibility.

Other typical applications include security system magnetic detection, position sensing, and revolution counting. The Si7205-B-00-IVR series is automotive qualified to AEC-Q100 standards, meeting rigorous demands for automotive and industrial use.

The product complies with industry standards such as Ford EMC-CS-2009.1, ISO 7637-2-2-11, and JEDEC MO-193, ensuring high reliability and electromagnetic compatibility in electronic systems.

Its small footprint and surface mount technology make this sensor ideal for integration into compact electronic designs requiring precise magnetic position sensing. This sensor is part of the Si720x series of Hall Effect sensors by Silicon Labs.

This sensor features high sensitivity of 1.1mT for accurate magnetic field detection. Operates reliably across a wide temperature range from -40°C to 125°C. Low supply current of 400nA enables efficient battery-powered applications.

Designed with automotive-grade AEC-Q100 qualification for demanding environments. Compact dimensions of 2.9mm length, 1.6mm width, and 1.15mm height allow integration in tight spaces. Response time is 8.8μs for fast magnetic position detection and switching.

Produced using chopper-stabilized Hall elements and includes 13-bit ADCs for precise switching. Ideal for security systems, position sensing, and revolution counting applications. Omnipolar magnetic detection allows switching with either polarity of magnetic field.

Complies with standards including Ford EMC-CS-2009.1, ISO 7637-2-2-11, and JEDEC MO-193. Explore similar Motion Sensor ICs and other semiconductor sensors at EnvMart for diverse industrial and automotive electronic applications.