Deep analysis of stepper motors

A stepper motor is a special type of motor used for control, which rotates step by step at a fixed angle (known as the "step angle"). Its characteristic is that...

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How is a brushless DC motor driven, its working principle and characteristics

With the rapid development of the motor industry, brushless DC motors have been widely used in various industries, and their prices are not as high as before. I...

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Introduction to ACM6763 24V 5A three-phase non-inductive BLDC brushless DC motor...

ACM6763 is a three-phase brushless DC motor driver chip that integrates an inductive three-phase brushless motor driver algorithm, a phase current detection cir...

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Exploring the Frequency Characteristics of Capacitors

The mathematical description of an ideal capacitor is that as the frequency increases, the impedance | Z | approaches zero. Actual testing shows that the freque...

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Speakers and smart amplifiers, what makes amplifiers smart

Do you remember the day you strung two tin cans together and made a phone call? Unfortunately, due to the miniaturization of devices (including speakers), mobil...

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Measures to prevent EMI when designing switch mode power supplies

As an energy conversion device working in a switching state, the voltage and current change rate of a switching power supply is very high, and the interference ...

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How to choose a suitable analog input amplifier

We don‘t directly jump to the indicators to choose amplifiers, but think from the perspectives of consumers and engineers, after all, this is a system applicat...

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The selection of sound or amplifier operating current and inductance is written ...

1) The battery capacity should be selected with large capacity, strong discharge capacity, low internal resistance, and a lithium battery protection board with ...

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What are the advantages of SiC MOSFET for motor drive

In our traditional impression, motor drive systems often use IGBTs as switching devices, while SiC MOSFETs as high-speed devices are often associated with appl...

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Using a voltage regulator to achieve direct operation

In some applications, the existing power supply voltage can directly drive the load without the need for additional voltage converters. Sometimes, when the oper...

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The principle of single-phase brushless motor

The main function of a brushless motor is to form a magnetic field in the air gap. When the armature winding of a motor is energized, it can generate an induced...

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ACM6252 single-phase sine wave, square wave BLDC brushless motor drive IC soluti...

Brushless DC motor is developed on the basis of brushless DC motor, which has advantages such as stepless speed regulation, wide speed regulation range, strong ...

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Design a current mode controlled step-down converter in LTspice

Current Mode Control (CMC) has been theoretically summarized as a technology for achieving high-performance voltage regulation in DC-DC converters. Now we will ...

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The characteristics and principles of audio amplifiers

An audio amplifier is an electronic device primarily used to amplify audio signals in order to output them to speakers or other audio devices. It enhances the s...

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Three control methods for brushless motors

There are three control methods for brushless motors: square wave control, sine wave control, and FOC control; When adjusting the current and voltage of the con...

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What exactly is a phase-locked loop

The term "phase-locked loop" appears in various environments: microcontrollers, RF demodulators, oscillator modules, and serial communication. Firstly, it shoul...

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Understand your gate driver

Although gate drivers are often overlooked, they play an important role in systems such as power supplies and motor control systems. I like to compare gate driv...

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Introduction to lithium battery charging methods

1. Trickle charging The charging current is very small, usually less than 0.1C. 2. Constant current charging Charging with a constant current, the charg...

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How Innovation in Motor Drivers Helps Meet the Challenge of Robot Motion Design

Robots often mimic operations that should have been performed by humans; In view of this, its function mainly includes adjusting position and direction through ...

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The basic working principle of brushless DC motors

Brushless DC motor refers to an electric motor without carbon brushes and commutators. Its rotor is made of permanent magnet steel, and the coil winding is woun...

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