The days of incandescent lamps are over. LED lighting takes over nowadays as they are much more energy efficient. LED lights on the other hand require a good controlling circuit to operate correctly and this is the so called LED driver circuit. LEDs are basically a form of diode that gives off light when forward biased. A diode is rated
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EMI Shielding Techniques and Concepts
EMI is the hardest thing to deal in switching power supply design. There are several factors that worsen EMI and there are also some ways to minimize EMI and able to pass the standards. One of the several ways to combat EMI is through shielding and we will discuss here EMI shielding techniques. Before going far, let us define EMI.
READSnubber Circuit Design Analysis
What is a Snubber? Snubber is a form of circuit protection against voltage spikes, ringing and oscillation effects. Snubber works by either clamping voltage spikes but not altering the ringing frequency or does the same function. Snubber Circuit Design is one of the complex tasks in circuit design. It needs a deep knowledge on circuit’s foundations to design a good
READSURGE PROTECTION CIRCUIT PRINCIPLE and DESIGN
Surge protection circuit is the one referred by many as protector for voltage spikes in AC grid lines; however it is not limited particularly in AC grid lines. Surge protector or surge protection device is a device that will provide surge suppression or voltage spike suppression so that sensitive devices will not get damage. Surge protector can handle voltage spikes
READNPN Transistor Principles and Practical Uses
Basic NPN Transistor Principles Universities are covering this topic very well but despite I still attempt to discuss NPN transistor principles that I think easier to understand for non technical people. NPN transistor is the name given to a bipolar junction transistor with two N type materials or negative carriers while there is only one P type material or positive
READTransformer Model in LTSpice – Step by Step Guide
I love LTSpice due to its very easy interface and very handy. It has several built-in models that can be used. For ICs, it has many parts available to be used in simulation although most of it is manufactured by Linear Technology (the maker of LTSpice). For beginners and newbie to LTspice, I suggest you visit the tutorial LTSpice Circuit Simulation
READACDC Linear Power Supply Simulation in LTSpice Step by Step Guide
Once a simulation is made, the confidence level that it will work in actual is very high. This will reduce development lead time and save parts cost for trial and error. Let me share you ACDC linear power supply simulation in LTSpice. For more tutorials, join electronicsconsultation. ACDC Linear Power Supply Simulation in LTSpice Template Download simulation template here. 1. V1
READACDC 5 Watts Charger Design Ready for Prototype
This article features a low parts count ACDC 5 Watts Charger Design with an output voltage of 5V and a maximum charge current of 1A. This is applicable for cell phones, tablets and other devices and gadgets that use 5 volt supply. This is a constant voltage constant current charger. A constant voltage means a steady level of the output
READCapacitor as ESD Protection
Electrostatic discharge or simply ESD is a universal problem in electronic circuits. Capacitor as ESD protection is providing economical solution to the problem. I used to work in automotive electronics and we used high frequency capacitors to protect the exposed pins of our product. Exposed pins are the one accessible to users. There are several ways to protect devices from
READSwitching Power Supply Operation Principle and Design
Switching power supply operation is very different to that of linear power supply. Despite of its complexity, higher bill of material cost and higher parts count, switch mode power supply is still the preferred power supply topology in the market nowadays. The main reason is higher efficiency and higher power density. Higher efficiency simply means that only a small portion
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