Semtech Corporation is an American supplier of analog and mixed-signal semiconductors and advanced algorithms for consumer, enterprise computing, communications and industrial end-markets.

[5] LoRa has been used in satellites, tracking of animals,[6] UAV radio control,[7] and natural disaster prediction,[8] Semtech has been publicly traded since 1967.

[9] Semtech offers a variety of products, including LoRa, a long-range, low-power networking platform; receivers and transmitters; touch and proximity devices; wireless charging; and power management solutions.

[16][17] In December 1999, Semtech bought USAR Systems Inc., a maker of embedded devices for handheld and notebook computers, for $26.7 million in stock.

[21][22][23] In August 2022, Semtech agreed to buy Canadian Internet of things (IoT) technology company Sierra Wireless in an all-cash transaction valued at US$1.2 billion including debt.