There are many challenges in power supply design, dealing with high current can ...

In the opening remarks, it was mentioned that the most important factor in power supply design is the current, and the magnitude of the current determines the d...

See More

Wearable PCB design should be cautious, considering these three major issues

Due to their small size and size, there are almost no ready-made printed circuit board standards for the growing wearable Internet of Things market. Before thes...

See More

Design of LED Street Lamp Power Supply

LEDs are more efficient than traditional bulbs and lights. They do not require preheating time to achieve brightness, which makes them better than fluorescent l...

See More

Low voltage motor drive design

The low-voltage motor driver uses two basic MOSFET configurations: n-channel half bridge and p and n-channel (complementary) half bridge. The main advantage of ...

See More

Three section lithium battery mobile power supply bidirectional fast charging IC...

Built in PD3.1/QC3.0 protocol, 3-8 sections of voltage up and down bidirectional fast charging 140W lithium battery charging and discharging chip-M12269, used f...

See More

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...

See More

Solution to common problems with Bluetooth earphones

Solution to common problems with Bluetooth earphones

See More

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...

See More

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 ...

See More

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...

See More

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 ...

See More

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...

See More

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...

See More

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...

See More

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 ...

See More

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...

See More

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 ...

See More

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....

See More

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 ...

See More

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...

See More