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1. LED brightness
The brightness of a light-emitting diode is generally expressed in luminous intensity (Luminous Intensity), and the unit is candela cd; 1000ucd (microcandela) = 1mcd (milli...[Details]
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1. Model: BL8532
Working mode: PFM; Input voltage: 0.8-10/V; Output voltage: constant current feedback voltage 200-500MV; Static power consumption: 15UA; Working frequency: 150KHZ; Effic...[Details]
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The amount of charge output by a piezoelectric accelerometer is very small and cannot be measured by a general measurement circuit. The input impedance of a general measurement circuit is low, whil...[Details]
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0 Introduction
With the increasing amount of industrial dust and waste gas emissions, the pollution to the environment is becoming more and more serious, especially in the metallurgical, minin...[Details]
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Sometimes, a microcontroller-based product requires the use of a rotary switch. Since many microcontrollers have built-in ADCs, a low-cost potentiometer can be used as an alternative to a rotary sw...[Details]
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Mobile consumer devices such as smartphones, tablets and ultrabooks are facing growing demands for providing rich, diverse and instantaneous network multimedia experiences. Almost every part of the s...[Details]
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Composition and classification of high-frequency switching power supplies
Switching power supplies have a series of advantages such as small size and high efficiency, and are widely used in various...[Details]
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1. Control Principle
Most general frequency converters can achieve different frequencies under different conditions. This is called multi-step frequency operation in Fuji 5000G11S/P11S series f...[Details]
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AEC-Q200 qualified with compact vertical surface mount design ideal for harsh environment applications CHICAGO, February 20, 2024 -- Littelfuse Corporation is an industrial technology manufactur...[Details]
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With the rapid development of blue and white light emitting diodes (LEDs) in 1990, LEDs have been widely used in a variety of products, such as smartphones, personal computers (PCs), TV backlights,...[Details]
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From linear to digital power supplies, we have a wide range of design choices. This article briefly introduces some of the alternatives facing designers and the problems that arise. Key Points The po...[Details]
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The DC power supply system is mainly responsible for supplying power to control equipment, protection equipment, etc. in the process of power production. Insulation degradation and DC bus grounding...[Details]
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There are many power supply manufacturers in China now, but there is no world-class brand. Why? The products of many domestic power supply manufacturers have good functions and low prices, but they ...[Details]
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Let's look at DC/DC regulators: basically, a complete DC/DC regulator circuit sealed in a package similar to an IC. Let's assume that you have already researched the selection of products from...[Details]
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Basic principles and requirements for PCB board design 1. The design of the printed circuit board starts with determining the size of the board. The size of the printed circuit board is limited by ...[Details]