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  • Power Supply Design Guide: How to Build Efficient and Reliable Power . . .
    Introduction In the development of electronic products, the power circuit plays a vital role in maintaining the system’s stable performance Achieving a successful power design demands a rigorous design process, including requirements analysis, topology selection, component selection, circuit design, PCB layout, and testing and optimization Each of these stages is essential for ensuring the
  • What is LTspice? - Design Tools and Resources - DigiKey TechForum - An . . .
    LTspice is a powerful, fast, and free SPICE-based software used for simulating electronic circuits It has schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits Its graphical schematic capture interface allows you to probe schematics and produce simulation results, which can be explored further through the built-in waveform viewer
  • LM317 Voltage Regulator Design Guide: Output Equation, Common Pitfalls . . .
    The LM317 is a classic adjustable voltage regulator from the 1970s Today, this jellybean part comes in a variety of packages including the SOT23-5, the original TO-220, and the iconic TO-3 package This engineering brief reviews the LM317’s theory of operation, presents the output voltage derivation, and includes a few gotchas that trip up engineers and technicians Note that the LM317
  • How to Use a Breadboard: Tips for Beginners, Prototyping Tricks, and . . .
    Add heatsinks to cool the circuit and reduce the chance of breadboard discoloration or even melting One quick and easy solution is to use a paperclip for your TO-220 devices Mark damaged sections using a red permanent marker This will save you troubleshooting time searching for the broken or weak connections
  • What’s inside a circuit breaker? An introduction to the thermal and . . .
    What are the thermal and magnetic protection elements in a circuit breaker? Figure 2 shows the internal construction of the TMC 7 circuit breaker We direct our attention to the thermal and magnetic components: Thermal: The metal wire for the heater is visible on the right-hand side of Figure 2
  • Board Markings and Component Identity - Education - DigiKey TechForum . . .
    Are you new to printed circuit boards (PCBs)? Have you wondered what the markings mean on these complex boards? Are these markings intended to identify the components on the board? This post aims to help understand some aspects of the design process of a board and identifying components If you aren’t familiar with the different letters presented on a circuit board, refer to this forum post
  • Help to design an electrical circuit properly - Maker, DIY - DigiKey . . .
    Hello to all, I write this letter with my head held kind of low it’s that way because I feel that I failed in my task of building my kids a couple of cool toys for the summer Designing, 3D printing weren’t the issue The problem has been creating the circuit that powers these things the way I want to is where the trouble is You see, I’m barely an electrician As in half the time when
  • Understanding Isolated Power Topologies: Design Principles and Use . . .
    Isolated switching power supplies use a high-frequency transformer to create electrical isolation between the input and output This isolation not only enhances safety but also expands design flexibility, making these solutions suitable for a wide range of applications, from compact consumer electronics to high-power industrial and server systems
  • Varistors, MOVs - Product Selection Guide - DigiKey TechForum - An . . .
    This Product Selection Guide contains information to help select products in the Varistors, MOVs category on DigiKey com Transient voltage suppression (TVS) products based on Metal Oxide Varistor (MOV) technology are used to protect electrical and electronic devices against excess voltage hazards, such as may be caused by lighting induced transients, static electricity, or similar hazards
  • Littelfuse Medical Product Safety Design: Defibrillator (AED)
    Littelfuse circuit protection products, with their excellent performance, provide stable and reliable signal transmission guarantees for medical electronic equipment Fuses Electrical special fuses PTC resettable fuses Gas Discharge Tubes (GDT) Varistors, MOV Circuit breakers Littelfuse Medical Product Safety Design: Defibrillator (AED)





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