Request InfoNational SemiconductorNational Semiconductor Corp. has released the LM3553 dual flash LED driver system with an I2C interface for configuring 128 brightness levels and 16 flash safety timer durations. Featuring adjustable overvoltage protection, the device can drive one or more high-current flash LEDs in series in high or lower power modes controlled by an internal register or the FEN pin. It is a fixed-frequency, step-up DC-DC converter with two regulated current sinks, driving loads of up to 1.2 A from a single-cell lithium-ion battery. The driver has applications in mobile phones, personal digital assistants,...See full productRelated content from Photonics MediaWEBINARSPhotonics.com 1/9/2023Innovations in Ultrashort-Pulse and RF-Excited CO2 Lasers Expand Materials Processing ApplicationsIndustrial laser materials processing is constantly evolving. Industries as varied as pharmaceutical, consumer electronics, automotive, aerospace, and textiles, among others, have benefited from new...Photonics.com 10/27/2021Fiber Optic Solutions for Medical DevicesSteve Allen provides a brief overview and examples of procedures that continue to push adoption and proliferation of optical fiber-based medical devices. From cosmetic surgery to cutting-edge sensing...Photonics.com 7/22/2021STANDARDS UPDATE: Vision Standards: An Overview of Global and A3 DevelopmentsStandards play a key role in the vision and imaging industry by ensuring interoperability of components, increasing market size, and shortening the time it takes to get new products to market. As the...Photonics.com 7/20/2023Motorized and Calibrated Lenses for Machine Vision ApplicationsMany applications have benefited from motorized varifocal lenses that allow automatic or remote adjustment of focus distance and field of view. Applications may need to change the focal length or...