CST118S is widely used in a wireless charging mobile toothbrush scheme

Now many families are using electric toothbrushes, and electric toothbrushes are increasingly accepted by consumers. Next, let‘s introduce electric toothbrushe...

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Comparison Test Report of CST6118 and CST118S

Comparison Test Report of CST6118 and CST118S

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Design of EMI plus filter for class D power amplifier

Design of EMI plus filter for class D power amplifier Class D power amplifier output The output of class D power amplifier is PWM. Because the horn itself is a ...

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Control principle of brushless DC motor and working principle of brushless DC mo...

From simple drilling rigs to complex industrial robots, many machines and equipment use brushless DC motors to convert electrical energy into rotational motion....

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Resolution direction of power amplifier bottom noise

 Generation of bottom noise Generally, the bottom noise of mass produced chips is the normal value, hundreds of micro-amplitude, but in actual use, there ...

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Power amplifier POPO sound solution

POP sound  Generally, after the chip is turned on, an impact is input from the sound source, resulting in an impact on the output, which sounds like POP ...

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High sensitivity touch key MCU application circuit

High sensitivity touch key MCU application circuit

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Touch MCU layout precautions

Touch MCU layout precautions: 1: VDD of touch MCU is indirectly connected in parallel with VSS 104 and as close to touch MCU as possible 2: The closer all touch...

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Detailed explanation of MOS transistor working principle diagram - MOS transisto...

MOSFET is a type of FET (another type is JFET) that can be manufactured as either enhanced or depleted, with a total of four types: P-channel or N-channel. Howe...

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Classification and comparison of ESD protection components

In People‘s Daily work and life, electrostatic discharge (ESD) is ubiquitous, and the rise time of the instant is less than nanoseconds (ns), the duration of h...

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nderstanding USB specifications to select appropriate cables, plugs, and sockets

USB (Universal Serial Bus) cables, connectors, and sockets are widely used in various industrial applications, such as industrial sensors, control modules, elec...

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One article provides a detailed explanation of light-emitting diodes (LEDs)

LED is a type of diode that operates based on the electronic structure of semiconductor materials. When a forward voltage is applied to both ends of the LED, e...

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Motor starters - Part 8: Causes of variable frequency drive failure

Variable frequency drive (VFD) is an electronic motor controller used to regulate the speed of synchronous or induction motors and drive loads in the power indu...

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BLDC motor control algorithm

To sense rotor position, BLDC motors use Hall effect sensors to provide absolute positioning sensing. This leads to more line use and higher costs. Sensorless B...

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Operational amplifier details

Operational Amplifier (Op-Amp) is an integrated circuit, which is an important device commonly used in electronic circuits. It has the characteristics of high g...

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Electrician: Calculation method of rated current of motor! The old electrician t...

In the work of electric power operators, it is inevitable to contact the motor, and the size of the rated current and working current of the motor directly affe...

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Is the interference waveform from probe grounding or channel crosstalk?

When the oscilloscope is used to measure the output signal of the switching power supply, it is found that there is mutual interference (crosstalk) between the ...

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How does the booster chip boost the voltage?

In electronic devices, the booster chip is an important semiconductor device used to convert the input voltage to a higher output voltage. Booster chips are wid...

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Comparison of advantages and disadvantages of DC brushless motor and DC brushles...

Dc brush motor: fast start, timely braking, smooth speed regulation, simple control, simple structure, cheap price. The point is cheap! The price is cheap! The ...

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Summary of drive circuit of brushed DC motor

So far, a variety of driving methods for brushed DC motors have been introduced. As a summary of this series of articles on the drive circuit of the brushed DC ...

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