What is the difference between current limiting resistor and voltage divider res...

There is no difference in appearance, they are all resistors. Voltage sharing and current limiting are based on specific scenarios. When components have current...

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Solution to common problems with Bluetooth earphones

Solution to common problems with Bluetooth earphones

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Using built-in system fault diagnosis for motor driven ICs to reduce magnetic fi...

BridgeSwitch combines efficiency, design flexibility, enhanced security, IEC 60335-1 and IEC 60730-1 compliance, and fault diagnosis capabilities. Designers are...

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Reduce the output voltage ripple of the flyback converter

Flyback converters are widely used in low-power applications. The characteristic of this topology is that the input and output are isolated. In the case of its ...

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Current detection in sensorless brushless DC BLDC motor systems

Have you ever designed, developed, used, or just played with any sensorless brushless DC (BLDC) motor control system? If so, you may already know the importance...

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External and Integrated MOSFET Architecture in Brushless Direct Current BLDC Mot...

If you are not familiar with motor drive systems and want to know the meaning of external MOSFET architecture and integrated MOSFET architecture, then you have ...

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The Application of Constant Current Circuit in Power Supply

Due to market demand, power modules are increasingly pursuing wide voltage inputs, which can cause the supply current to vary with the input voltage. In order t...

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ACM8687 built-in virtual bass/3D surround sound algorithm, 41W stereo I2S input ...

ACM8687 is a highly integrated and efficient dual channel digital input audio amplifier. The power supply voltage range is 4.5V-26.4V, and the digital interface...

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Reasons and solutions for the impact sound from the power amplifier switch

Sometimes, when the power amplifier is turned on or off, there will be a "bang" impact sound. What is the reason for this huge impact sound? Is your amplifier b...

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RC buffer design for motor drivers

When switching high current through external power MOSFETs to reverse the BLDC motor, ringing may occur, leading to issues such as electromagnetic interference ...

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Characteristics and advantages of BLDC motors

Electric motor, commonly known as a motor, is an electromagnetic mechanical device that utilizes the interaction between electricity and magnetism to achieve t...

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DRV10987: Motor start failed when enabling ISD

When initial speed detection (ISD) is enabled, motor start faults may occur in DRV10975, DRV10983, DRV10987, and DRV10983-Q1. The reason for this issue is that ...

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Summary of a hodgepodge of self-excited oscillations in operational amplifiers

For operational amplifiers, it means reducing the feedback coefficient F, in other words, the larger F, the greater the likelihood of self excited oscillations....

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Method of Selecting Magnetic Beads in Circuit Design

The reason for using SMD magnetic beads and SMD inductors: Whether to use SMD magnetic beads or SMD inductors mainly depends on the application. Chip inductors ...

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How to solve common stall detection problems of stepper motors

Stepping motor drivers such as DRV8434S, DRV8434A, and DRV8889-Q1 include a stall detection function that can detect overload or stall situations during motor s...

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How to prevent overvoltage from damaging the motor drive system

One of the factors most likely to damage motor drive components or systems is accidental induced overvoltage. Due to exceeding the absolute maximum rating of su...

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Key points for reducing the heating of stepper motors

Stepping motors generally pursue positioning accuracy and torque output, with relatively low efficiency, high current, and high harmonic components. The frequen...

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The Big Rise of 8 Mainstream Control Chips for Drones

At the recently concluded CES 2016, major chip manufacturers and equipment manufacturers engaged in an aerial battle, which made drones, an emerging product for...

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Deep analysis of linear regulated power supply, why small devices play a signifi...

According to the working state of the regulating tube, we often divide the regulated power supply into two categories: linear regulated power supply and switch ...

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The Role of Capacitors

The basic function of capacitors is to charge and discharge, but many circuit phenomena extended by this basic charge and discharge function make capacitors hav...

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