IO Expanders
Semtech IO Expander products consist of general Purpose parallel Input/Output (GPIO) expanders, which are ideal for low power handheld battery powered equipment. Our IO expanders come in 4-, 8-, and 16-channels of IOs operating with a VDD range of 1.2V to 5.5V connecting easily to today's low core voltage chipsets in battery powered handheld applications without the need for level translating circuits.
Explore a wealth of downloadable resources and datasheets to assist with prototyping and production.
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Resources
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Laptop and tablet users want the same lightning-fast connections and long battery life as smartphone users. Whether they are on a video conference for work or playing a AAA game for fun, they expect nonstop performance — and their already-high expectations are only increasing with the emergence of new technologies and wireless protocols like 5G and Wi-Fi 6/6E.
BLG | AMW | PerSe | Solving SAR Compliance…
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More than 80% of the world’s population, or 6.648 billion people, own a smartphone — and all of them emit a low-level of radio frequency (RF) radiation. In particular, 5G phones are designed with high-performance RF devices and contain an increased number of antennas to support the demand for more reliable connectivity and greater bandwidth.
BLG | AMW | PerSe - In a Hand or In a Pocket:…
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This article was originally published on engineering.com
Semtech was founded in 1960 and has more than sixty years of semiconductor experience, with a focus on “innovation, size, efficiency, performance, and reach.” On October 27, 2021 the company launched its new PerSe® line of sensors. PerSe sensors, their name derived from the idea of Person Sensing, are designed for the consumer electronics market.
Semtech Announces PerSe: Person Sensor Product…
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We are pleased to introduce our newest line of sensors, PerSe®, for the personal connected consumer market. Derived from the term, Person Sensing, the PerSe product line of sensors features three core product families – PerSe Connect, PerSe Connect Pro and PerSe Control. The sensors intelligently sense human presence near a mobile device and enable advanced Radio Frequency (RF) control when a user is in close proximity - delivering high quality connectivity and throughput, in smartphones, laptops and wearables while providing compliance with global safety standards
PerSe Sensors Improve Mobile Connectivity for…
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An independent investigation recently conducted by The Chicago Tribune revealed that some of the most popular cellphones might come with radio frequency (RF) radiation levels well above the legal safety limit. This finding has drawn public attention to cellphone RF safety and also prompted a follow up investigation by the Federal Communications Commission (FCC) in the United States.
Cellphone Safety – A Look at SAR Sensors
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