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LEDs have poor surge resistance, especially reverse voltage resistance, so it is essential to strengthen protection in this area. In view of this, this article introduces a PFC switching power sup...[Details]
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It can be said that in the design of a general switching power supply, a small amount of parasitic capacitance (100 femtofarads) from the switch node to the input lead will make you fail to meet ...[Details]
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This article introduces a 5W Y-capacitor-free charger solution designed using TI control chip UCC28720, and introduces a transformer structure design that can still pass EMI testing without Y capacit...[Details]
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Analog variable frequency filters require the use of variable passive components. The greater the filter slope, the more variable passive components are required. These components are often potenti...[Details]
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When designing a switch-mode power supply , the most troublesome component is the RCD snubber. The traditional method of designing the RCD snubber does not have a detailed description of the turn-off...[Details]
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Rule 1: EMC cost-effectiveness ratio rule: The earlier EMC issues are considered and resolved, the lower the cost and the better the effect. Carrying out EMC design during the new product developmen...[Details]
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While power management is critical to the reliable operation of modern electronic systems, the voltage regulator is perhaps the last remaining “blind spot” in today’s digitally managed systems. Whe...[Details]
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As major power supply manufacturers continue to launch new digital power products, digital power is increasingly being adopted by users. However, how to enable users to get the most benefits from d...[Details]
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The street light system based on ZigBee technology and LED light source is a highly automated, energy-efficient urban lighting system. LED light source is a new type of lighting source that is effici...[Details]
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Introduction to CMEMS Oscillators
Introduction
CMEMS technology is an innovative CMOS+MEMS manufacturing process developed by Silicon Labs, a leading supplier of timing solutions. CMEMS is an a...[Details]
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Semikron Danfoss and ROHM further strengthen cooperation in multi-source IGBT supply Semikron Danfoss (headquartered in Nuremberg, Germany) and the world-renowned semiconductor manufacturer ROHM ...[Details]
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TDK has recently launched the new B43707* and B43727* series of EPCOS aluminum electrolytic capacitors in screw format. The rated operating voltage of the new series of capacitors is 400 V DC to 450 ...[Details]
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Switching mode power supplies are used to convert one voltage to another. The efficiency of this type of power supply is usually very high, so in many applications, it replaces linear regulators.
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Recently, Arita Power Supply (yottapwr.com) released a new airborne three-phase AC or 270 Vdc input power regulator module (Y-MIPC) . The unit's flexible inputs, wide frequency range and regulatory c...[Details]
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在发表于美国化学学会(ACS)《能源快报》上的一篇文章中,哈佛大学约翰·A·保尔森工程与应用科学学院(SEAS)的研究人员,介绍了他们开发的一套新型液流电池。通过将能量储存在中性酸碱(pH)的有机溶剂中,这种无毒、无腐蚀性的电池不仅具有极长的使用寿命,且有望显著降低成本。 The research, led by professors of chemistry and energy mat...[Details]