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Recently, Foton Auman hydrogen fuel cell buses were highly praised by the Canadian Prime Minister and attracted numerous fans. Foshan held the "Second International Exchange Conference on Hydrogen ...[Details]
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A research report released by GF Securities Co., Ltd. recently revealed that among the world's top ten lithium battery companies, two are from Japan, two are from South Korea, and the rest are all ...[Details]
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By YvetteIn today’s world, designers seem to be on a never-ending quest for greater efficiency. We want more power out with less power in! Higher system efficiency is a team effort that includes (bu...[Details]
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It is well known that synchronous rectifiers can significantly improve power efficiency by replacing the rectifier node voltage with a lower resistive switch voltage drop. The challenge is to devel...[Details]
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1. Chip heating This content is mainly aimed at high-voltage driver chips with built-in power modulators . If the current consumed by the chip is 2mA, and a voltage of 300V is applied to the chip, ...[Details]
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The research on flicker-free is most intuitive from the perspective of power supply. In fact, it is a question of "frequency". The human eye and CCD probe will not feel ultra-high frequency, but the ...[Details]
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Overview XN1048 is a highly integrated, high-performance current mode PWM controller chip. It is suitable for small and medium power switching power supply devices such as power adapters. In ord...[Details]
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1 Overview The switching power supply for LED is a single-output AC-DC external power supply powered by the mains power supply and with a rated voltage not exceeding 600V. The environment ...[Details]
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The switching power supply of LCD color TV is mainly composed of AC anti-interference circuit, rectifier filter circuit, PFC circuit and main and auxiliary switching power supply circuits, as sho...[Details]
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Switching power supplies have become the protagonist of our circuit design, and can even be said to have become an inseparable part of the industry's development. Compared with traditional linear po...[Details]
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Nowadays, the design of switching power supply is relatively mature, but how to make the design of switching power supply simpler still requires a certain amount of effort. Now, senior netizens ha...[Details]
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The advantages of LEDs used in the center high-mounted brake lights (CHMSL) of cars include: faster reaching of set brightness, higher efficiency, longer service life, and the very small red LED ar...[Details]
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As shown in the figure, this is the temperature control circuit of the breeze ceiling fan. It consists of a temperature measurement control circuit and a step-down rectifier power supply circuit. T...[Details]
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The following figure shows a long-distance wireless transmission circuit made with National Semiconductor's integrated circuit. It is not difficult to see that it actually uses its audio amplifier ...[Details]
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All instruments that generate test signals are collectively referred to as signal sources. The oscillating circuit of a signal generator is also called a signal generator, which is used to generate...[Details]