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Although
high-power LEDs
cannot replace traditional lighting fixtures on a large scale, they are increasingly widely used in indoor and outdoor decoration and special lighting. Therefore, m...[Details]
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1. Development of power electronics In recent years, the focus on power electronics technology has increased, mainly in the automotive field, industrial equipment and renewable energy fields. In the ...[Details]
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As a leader in the field of electrical sensors, LEM has been committed to providing customers with innovative and high-quality solutions. LEM's core products are current and voltage sensors, ...[Details]
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The physical design of the PCB board is the last step in the design of switching power supplies. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, ...[Details]
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High-brightness LEDs, with their reduced power consumption, long life and many other benefits, continue to promote the development of a variety of lighting applications, so it is no surprise that t...[Details]
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The electrical performance of the module power supply is presented through a series of tests. The following are general functional test items, detailed descriptions are as follows: Line Regulation ...[Details]
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This article provides a switching power supply circuit diagram composed of TEA1521. The circuit works in flyback mode and is widely used in many DVD switching power supplies. Moreover, the circuit ...[Details]
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Abstract: The basic principle of repetitive controller is introduced, the influence of a key parameter in repetitive controller on the steady-state error and convergence speed of the system is desc...[Details]
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Electromagnetic compatibility ( EMC ) is an emerging comprehensive subject, which mainly studies electromagnetic interference and anti-interference issues. Electromagnetic compatibility refers to the...[Details]
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This article introduces a flyback constant voltage, constant current 75W LED driver with single-stage (single switch) PFC. The circuit is shown in the figure. The AC input voltage range is 208~277...[Details]
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How to Minimize the Number, and Size, of Output Capacitors in Your Power Supply Design
How to Minimize the Number and Size of Output Capacitors in Power Supply Designs
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What happens if I remove the power supply X capacitor?
There is another common feature of low-quality power supply products - various shoddy materials are cut inside, and important electroni...[Details]
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Whether it is computer repair or electronic production, a regulated power supply is indispensable. The following introduces a regulated power supply with a DC voltage continuously adjustable from 3V ...[Details]
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The full-bridge inverter is the main component of the full-bridge PWM DC/DC converter. Its main circuit is shown in Figure 1. It consists of four switch tubes V1~v2, their anti-parallel diodes D1~d...[Details]
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The integrated PFC rectifier-regulator can realize power factor correction and voltage regulation functions with only one switch tube. The PFC rectifier uses a boost converter and works in DCM mode...[Details]