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This circuit automatically repairs the battery . When in use, connect the power supply VCC to the +12V of the switching power supply, and connect points A and B to the positive and negative poles of ...[Details]
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WiFi has been widely used in many fields; in addition to being widely used in laptops, it has also been extended
to WiFi phones and VoIP applications. According to a report recently rele...[Details]
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As fossil energy is decreasing and the problem of global warming caused by excessive greenhouse gas emissions is becoming more and more important, people are actively developing various types of rene...[Details]
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The global effort to reduce power consumption is gaining momentum. Many countries require home appliances (see Figure 1) to meet efficiency standards set by organizations such as the China National I...[Details]
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The article introduces how to measure the light, color and electrical parameters of LEDs under controlled junction temperature by marking the Vf-TJ curve and controlling the LEDs. This not only pro...[Details]
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Battery
It is
an important part of
UPS
system. Its quality is directly related to the reliability of the whole UPS system. However, the battery is the devi...[Details]
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The biggest difference between LED lighting fixtures and traditional lighting fixtures is that LED lighting fixtures are completely electronic products, while traditional lighting fixtures ...[Details]
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1. Low power consumption and high efficiency. In the switching voltage-stabilized power supply circuit, the transistor V works alternately in the on-off and off-on switching states under the exci...[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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It must be pointed out that
the TOPSwitch-GX
quick design method is intended to provide a correct way to design a switching power supply. The PD and N parameters obtained are all e...[Details]
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Last time I used the 89C51 microcontroller , the K1200 programmer had some problems. I didn't know whether it was the programmer or the microcontroller that had problems, so I made a simple 89C51 pro...[Details]
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① The four-wire LED light strip has four wires, three rows of lights (note that it is not four rows of lights~~), 24 lights per row per meter, 24*3=72. Since the power of each lamp bead is 0.05W, t...[Details]
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Today's high-performance ASICs and microprocessor chips can consume more than 150 watts of power. For supply voltages between 1 V and 1.5 V, the current required by these devices can easily excee...[Details]
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Tungsten filament incandescent lamps are about to be eliminated. Many people are nostalgic for the incandescent lamps that have been used for more than 100 years. LED lighting will eventually re...[Details]
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Whether it is MOSFET, IGBT, SiC MOSFET, or GaN HEMT, each power device requires a corresponding gate driver IC. A suitable driver IC can simplify the complexity of your system design and save R&D t...[Details]
Analog electronics
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