This paper proposes a three-phase soft-switching PWM converter, which has the characteristics of simple circuit structure and fewer switching times than traditional converters. The switching of the ci...
I built a standard gate drive circuit using IR2117. Problem 1: VB and Vcc are generated using bootstrap technology, but no matter what the input is, there is always a 10V output, that is, the output d...
1. The power supply is 5V constant voltage, the maximum output current is 0.35A, and the resistance of the DC motor is 62.6 ohms. In the circuit below, if pin 1A inputs a low level, 1Y will output a h...
Why does HC-SR051 always output high level when powered on? Even if the user leaves, it still outputs high level. What is the reason? Is it due to sensitivity or something else?...
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
Recently,
Xpeng Motors and Xinlian Integrated Circuit jointly announced the mass production of China's first hybrid silicon carbide product.
Designed and developed by Xpeng Motors and joint...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
The 2025 China International Automotive Testing Exhibition will be held at the Shanghai World Expo Exhibition and Convention Center from August 27 to 29, 2025.
Clacton Seafront, UK, ...[Details]
Speaking of the problem of vehicle spontaneous combustion, whether it is a pure electric vehicle or a fuel vehicle, there will be incidents of spontaneous combustion. For the same spontaneous combu...[Details]
Bearing wear is a common equipment problem in the manufacturing industry. In today's world where controlling production costs is advocated, using repair technology to reduce the scrapping and repla...[Details]
No one expected that after about a day of downtime, four or five thermostats on the control panel would display four 0000s and flash. We knew it was caused by poor contact of the temperature sensin...[Details]
1. Basic structure and working principle of centrifugal pump
1. Centrifugal pump water pump relies on the high-speed rotation of the impeller to make the fluid obtain greater kinetic energy, a...[Details]
A certain building, a business hotel, was designed with a background music system and emergency broadcast system in mind, taking into account the building's specific conditions and surrounding envi...[Details]
With the rapid development of industrial automation, smart grids, and new energy vehicles, time-delay relays, as core components in the electrical control field, are entering a critical juncture of...[Details]
MPS Core Power Systems (NASDAQ: MPWR) recently released the MPQ6539-AEC1, an automotive-grade gate driver IC designed for three-phase brushless DC (BLDC) motor drives. Operating with an input volta...[Details]