Operating principle of bootstrap circuit and selection of bootstrap resistance a...

In some low-cost applications, especially for some 600V low-power IGBTs, the industry always tries to minimize the driver level cost. As a result, bootstrap...

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DSP Implementation Scheme of Fingerprint Identification

Fingerprint identification technology can reliably identify individuals by analyzing local features of fingerprints and extracting detailed feature points f...

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H-bridge motor drive circuit using MOSFET

At first, driving the motor seems to be a simple task - just connect the motor to the appropriate voltage rail, and it will start to rotate. But this is not...

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Using Complementary Tubes to Achieve Double Voltage and Back Voltage in DC-DC Co...

The circuit in this design idea makes use of an inherent characteristic of collector voltage in single transformer push-pull DC/DC converter: that is, their...

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The mode and behavior of noise, the importance of distinguishing Earth from Grou...

The noise and signal that cause electronic equipment failure are both electrical energy. Electrical communication is the history of fighting against this di...

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How to select filter capacitor

The filter capacitor plays a very important role in switching power supply. How to select the filter capacitor correctly, especially the output filter capac...

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How to use tactile devices to improve the perception of human-computer interface

The demand for more efficient human machine interface (HMI) and higher perception is driving the adoption of touch devices in industrial 4.0 applications, a...

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How much do you know about common touch switches?

The touch switch is a recognized electrical switch, which is the same as the mechanical switch of the same kind. The circuit is connected or disconnected by...

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What are the advantages of I2S input digital audio power amplifier IC with built...

What are the advantages of I2S input digital audio power amplifier IC with built-in DSP With the reform and upgrading of the market and the gradual popularity o...

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What is noise? What is EMC? Noise damage is a modern disease of electronic socie...

Computer communication error, sudden disconnection of mobile phone call... Have you had similar experience? There is a lot of noise around us. They will inv...

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Differences between EOS protection schemes of LED

With the maturity of LED technology, LED lighting is used more and more widely, such as the LED flash of mobile phones, LED household lamps, LED headlights ...

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Introduction of Three terminal Voltage Stabilizing Integrated Application Circui...

The three terminal voltage stabilizing integrated circuit commonly seen in switching power supply has 78% positive voltage output?? 79% of series and negati...

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Weighting in Noise - What is weighting?

The noise is generally expressed in decibels (dB), and the signal-to-noise ratio (S/N) is used to indicate the impact of noise on useful signals. When measu...

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Switching power supply test requirements and procedures

The voltage regulation test is called Line regulation test in English, which means the change rate of output voltage with input AC voltage when the power su...

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Correct layout and wiring in power supply design

In the power supply design, careful layout and wiring are crucial for achieving excellent design. Sufficient space should be reserved for size, accuracy and...

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Entering the new era of wireless battery management system (WBMs), safety is the...

Only by ensuring system security from process to product can all the advantages of WBMs technology be reflected. In the early conversations with electri...

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How to use oscilloscope correctly

示波器是电子线路检测中必不可少的测试设备，它能将非常抽象的、看不见的周期信号或信号状态的变化过程，在荧光屏上描绘出具体的图像波形，用它可以测量各种电路参数，...

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How to solve EMI and EMC with magnetic beads and inductors

What are the differences and characteristics between magnetic beads and inductors in solving EMI and EMC? Would it be better to use magnetic beads? Magn...

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Three design considerations for electric vehicle charging

Typical electric vehicle (EV) charging station designs for commercial and residential uses include energy metering, residual current detection (AC and DC), ...

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How to select class D Stereo Audio Amplifier IC

Choosing the right device for electronic products is a very complex thing, which often requires repeated compromises in many aspects, such as class D audio ...

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