Magnetic sensors are feature-rich
Si72xx series sensors can be used in battery-powered systems without impacting the system’s battery life. Operating below 100 nA (sleep current) and at less than 400 nA with a 5 Hz sampling rate, the Si72xx series helps achieve multiyear and decade-long battery lifetimes, even when powered by very small batteries. A sensitivity of 1.1 mT BOP enables developers to reduce the size of magnetics in their designs by 50% to 80% or extend sensing range by 2X or more.
Production quantities and samples of the Si72xx Hall-effect magnetic sensors are available now in 3-pin and 5-pin SOT-23 packages. Prices start at $0.45 each in lots of 10,000 units. The Si72xx-WD-KIT demo kit is also available for $149. The kit includes a preprogrammed EFM32 Happy Gecko SDK, a wheel demo expansion board, and six postage stamp-size boards to evaluate the various Si72xx sensor types.
Si72xx series product page
Silicon Labs, www.silabs.com
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