How to Use eFuses, Specifying Modular Connectors, and Designing with Open-Frame AC-DC Power Supplies

See solutions from STMicroelectronics, CUI Devices, Analog Devices, and more… [View Online]( [Digi-Key CORPORATION®]() [Flag] Search Now: [Search Now](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) Digi-Key Solutions Center Featured Articles [Understanding and Specifying Modular Connectors](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) Utilizing a molded housing to enclose stamped metal contacts separated by insulating channels, modular connectors or RJ connectors were developed to create a more “modular” and cost-effective connection system for consumer and business phone systems. Although most contacts are used for signals, RJ connector contacts can be used to supply low-voltage AC or DC power. [Read More ►](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [How to Ensure Optimum Results When Using Open-Frame AC-DC Power Supplies]() AC-DC power supplies—sometimes referred to as “off-line” supplies—are widely used in lighting, display, information technology, and industrial applications. They are a standard building block of nearly all electronic systems, with the exception of those which are powered by batteries alone. [Read More ►]() [How to Use eFuses to Design Compact Short Circuit, Overvoltage, and Thermal Protection Solutions](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) With the pervasiveness of electronic devices in the home, office, and industry, the need for circuit protection that is compact, low cost, high speed, resettable, and adjustable is increasingly important to ensure user safety and maximum device uptime. Conventional fusing approaches suffer from imprecise breaking currents and slow response times and typically are encumbered with the inconvenience of having to replace the fuse. [Read More ►](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [View All Articles ►](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) Digi-Key Product Solutions [CUI Devices](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [RJ Jack Modular Connectors](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [RJ Jack Modular Connectors](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) Available in vertical and horizontal orientations, these modular connectors feature RJ10, RJ11, RJ12, RJ13, and RJ45 types. Delivering proven performance, ease-of-use, and a simplified design, these RJ jacks are an easy fit for many applications. • RJ10, RJ11, RJ12, RJ13, and RJ45 types • 4P4C, 6P2C, 6P4C, 6P6C, 8P8C, and 8P10C position/contact options • Surface-mount, panel-mount, and through-hole mounting styles [Learn More ►]() [STMicroelectronics](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Switching Regulator Evaluation Board](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Switching Regulator Evaluation Board](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) This evaluation board for the L6982CDR synchronous monolithic step-down regulator is designed for DC applications up to 2 A supplied from 12 V and 24 V industrial bus systems (3.5 V - 38 V input voltage range). It is also highly suited to battery‑powered applications, with ultra‑low standby consumption and low‑current mode for excellent efficiency across all operating conditions. • Programmable output voltage from 0.85 V - VIN • 2 ADC output current • 2 µA shutdown current [Learn More ►](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Skyworks](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Ceramic Filters](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Ceramic Filters](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) These 2 mm, 3 mm, and 4 mm ceramic filters are designed for use in RF applications where smaller space and higher performance are required. All filters are comprised of vertically integrated ceramics in a surface‑mount package for easy drop‑in solutions. • Small surface-mount footprint • Power handling up to 10 W continuous • Wide operating temperature: ‑40°C to +85°C [Learn More ►](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Lascar Electronics](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Wireless Alert Series](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Wireless Alert Series](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) These wireless alerts offer Wi‑Fi®‑connected sensors that send a warning email when user-set conditions are met. These are low-cost devices and are easy to set up and configure. As well as regular alert notifications, wireless alerts also send out daily, weekly, or monthly summary reports containing a basic breakdown of what has been measured during that period. • Email alerts • User customizable alert parameters • Free mobile app for iPhone® and Android™ [Learn More ►]() [Analog Devices](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Energy Metering IC]() [Energy Metering IC]() The ADE9153A is a high‑accuracy energy metering IC for single‑phase, shunt‑based metering applications. The mSure® self‑calibration feature allows a meter to calibrate its current and voltage channels without using an external reference meter. mSure self‑calibration supports Class 1 and Class 2 meters. For standards‑based metering, customers should verify traceability requirements for their application. • Self-calibration to 1% accuracy • Three high-performance ADCs • Supports active and reactive energy standards [Learn More ►]() [Knowles]() [Audio Edge Processor](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Audio Edge Processor](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) The AISonic™ audio edge processor IA8201 is a high‑performance, ultra‑low‑power audio‑centric OpenDSP supporting up to 4 microphones, multiple high‑speed interfaces, and GPIOs in two package options (eWLB and QFN). It enables wake‑on‑voice processing for low latency voice UI, noise reduction, context awareness, and accelerated machine learning inferencing for edge processing of sensor inputs. • Multiple packaging options available • Memory: 1.44 MB RAM (1 MB available to users) • Control interfaces: SPI, I²C, UART, available GPIOs [Learn More ►](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [C&K Components](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Illuminated Pushbuttons]() [Illuminated Pushbuttons]() KLS series pushbutton switch meets market requirements on haptic and sound with clear “click” sound feedback. It provides the status of the switch's positioning (on/off) and a clear indication of its functioning. The KLS pushbutton is available as SPDT and DPDT configurations and with a higher rating for broader application needs. • Bright LED colors • Momentary or lock version • Snap-action provides positive feedback [Learn More ►]() [Futaba]() [2.0" Full Color OLED Display](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [2.0" Full Color OLED Display](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) This graphical 256 x 64 dot matrix organic light emitting diode (OLED) module is capable of displaying both graphics and text. It contains the OLED, driver circuitry, and I²C and SPI interfaces. This display has a life expectancy of 11,000 hours. • Operating temperature: -20°C to +75°C • Supply voltage: 16.0 V ±0.1 V (OLED), 3.0 ±0.05 V • Contrast ratio: 10,000:1 [Learn More ►](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Jauch Quartz]() [SMD Tuning Fork Crystal]() [SMD Tuning Fork Crystal]() The J31SMT series SMD tuning fork crystal is produced using an advanced photolithographic process. This manufacturing process makes it possible to reduce the blank size to a minimum. The J31SMT series crystal comes in a miniature 3.2 mm x 1.5 mm x 0.9 mm package. • Temperature range: -40°C to +85°C • Frequency range: 32.768 kHz • Frequency tolerance: ±20 ppm [Learn More ►]() Additional Design Resources ► [EDA & Design Tools](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Conversion Calculator](=/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) [Product Training Modules](/MTQ0LU5DQi0wMzAAAAGApDvfOYjWcO3tUch_YvqzinTv3v_nC1T-uPP6R9Pba0p8jmCfMlNrEf5sLOOCI05ehW_JOT0=) Did you know? Digi‑Key carries a full line of electronic technician's tools to help you get the job done. [Learn More ►]() [Email Signup]() Signing up for Digi-Key’s email program will keep you on the cutting edge of the electronics industry by keeping you informed on the newest products, application and design ideas, and industry information. 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