TL494 pulse width modulation control circuit chip (Chinese) TL494 is a fixed frequency pulse width modulation circuit, which includes all the functions required for switching power supply control and ...
[i=s]This post was last edited by qwqwqw2088 on 2021-6-22 09:35[/i]This article mainly introduces the simulation method of CH55x microcontroller using ISD51 and gives simple operation routines.advanta...
Today's mobile phones present the ultimate challenge to PCB layout engineers. Modern mobile phones contain almost all the subsystems found in portable devices, such as multiple RF modules (including c...
As the title says, the new emulator cannot be used.It is found that there is no voltage on VCC and SWIM/RST.Just saw this topic:[ST MCU] Topic: ST-link III is easy to break SN74LVC2T45DCUT. It seems t...
1. IntroductionProduction testing is an important part of the production process, ensuring product quality and improving product image. The light production testing solution is designed to save produc...
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
As more and more consumers purchase new energy vehicles, the safety of electric vehicles has become a major concern. This has been particularly prominent following a series of electric vehicle fire...[Details]
With the rapid development of technology, automotive intelligence is increasing at an unprecedented rate. This not only enhances vehicle functionality and comfort, but also places higher deman...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
While aberration theory is a vast subject, a basic understanding of some fundamental concepts can make it easier to understand: spherical aberration, astigmatism, field curvature, and chromatic abe...[Details]
introduction
By the end of 2014, people aged 60 and above in China accounted for 15.5% of the total population, reaching 212 million; those aged 65 and above accounted for 10.1% of the total, ...[Details]
HEVO, a developer of wireless charging infrastructure for electric vehicles, and STEER Tech, a company specializing in high-precision autonomous vehicle technology for fleet garage operations, anno...[Details]
Oslo, Norway – August 18, 2025 – Nordic Semiconductor ("Nordic"), a leading global provider of low-power wireless technology, announced that it will participate in the International Internet of Thi...[Details]
Quantum dots are a cutting-edge nanomaterial. Using quantum dot materials in backlight sources has four unique advantages:
1. Longer lifespan - Since mature inorganic materials are used, the f...[Details]
Analogue and Mixed Signal
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