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Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
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LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
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Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
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introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
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The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
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0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]
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1 Power Module Design
The power supply in this study is directly connected to the neutral and live wires, and converted through the lnk306 chip. The 13V voltage required by the control mod...[Details]
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Forward converter is widely used in small and medium power
conversion
due to its simple topology and wide step-up/step-down range
. The output power of forward converter is not limited...[Details]
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summary
Eaton is a global leader in power quality, power distribution and control systems and components. To maximize the reliability of your uninterruptible power supply (UPS), we strongly re...[Details]
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A
simple voltage boost circuit for
an LED
flashlight.
After the power supply
is turned on
, VT1 is connected to the negative pole by R1, and the voltage across c1 cannot c...[Details]
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With
the development of
LED
technology, the application of LED has been extended from traditional low-
power
portable product backlight to medium- and high-power indoor lighting, out...[Details]
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High-brightness LEDs
have brought continuous changes to the lighting industry, adding more flexibility and intelligence to various lighting systems, including white light and color light de...[Details]
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Average State Equation and Small Signal Analysis of Buck Circuit
...[Details]
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MAXIM's MAX16834 is a current-mode high-brightness LED (HB LED) driver with boost, buck-boost, SEPIC, and high-side buck topologies. In addition to driving the n-channel power MOSFET switch through...[Details]
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LED
application packaging technology is crucial to basic parameters such as LED heat dissipation and lifespan. This article
briefly introduces and analyzes common elements
of
LED packaging
...[Details]