BQ25618/9 is a three-in-one (protection, charging and boost) IIC control switch charging chip specially developed by TI for TWS earphone charging case.
BQ25618 and BQ25619 have the same specifications...
I often use chips from foreign semiconductor manufacturers at work, but with the rapid rise of domestic chips, I am looking forward to having the opportunity to experience domestic chips up close. Thi...
How is impedance matching determined in a circuit? When I looked at some circuits, they said that the impedance matching resistor is 50Ω, and some are 75Ω. I looked up information online, but I still ...
1. Schematic diagram We know that a speaker or buzzer will make a sound when a fluctuating current is added to its two ends. To generate sound, the hardware circuit of a single-chip microcomputer is r...
The COVID-19 outbreak in the first quarter of 2020 has caused many industries to struggle. However, the notebook market has withstood the most severe test of the early economic downturn. According to...[Details]
The led
/' target='_blank' photocoupler is a
semiconductor
device that can convert electrical signals into optical signals and then restore optical signals to electrical si...[Details]
According to the Wall Street Journal, Chinese companies wanted to buy ASML's key equipment for producing the most advanced microprocessor chips, but failed to do so due to the obstruction of the US g...[Details]
As
electronic
products develop towards miniaturization and portability, monolithic integrated high-efficiency, low-
voltage
DC-DC converters are widely used.
Current detection
...[Details]
The application of servo motors is becoming more and more extensive, which plays an important role in production and improving efficiency. It is mainly used for motion control to achieve moving and...[Details]
1 Introduction
With the development of ARM microprocessor technology and field programmable logic array technology (FPGA) and their application in handheld devices, the requirements fo...[Details]
The rapid expansion of the lithium battery industry has led to an increase in production line automation and import demand, and the sales volume and penetration rate in the lithium battery industry...[Details]
Fault phenomenon Channel 1 out of tolerance. Testing process After testing, it was found that there was leakage in the instrument acquisition board CH1, indicating that there was an internal breakd...[Details]
1. UPS Types
Common UPS are generally divided into three types: online, backup, and online interactive.
When the online UPS is working, it first steps down the input mains voltage, re...[Details]
This is actually an experiment of infrared remote control programming process. The idea is this: The infrared receiving tube uses the interrupt port to receive the signal; In the interrupt subrouti...[Details]
Recently, Hengdian Dongmei stated that due to the sharp fluctuations in raw materials and the sharp increase in shipping costs this year, transportation costs have been classified as operating costs ...[Details]
In 2020, the sudden outbreak of the epidemic dealt another blow to the kitchen and bathroom appliance industry, which was originally in a period of stalled development. The overall market declined ye...[Details]
1 Introduction
As we all know, in the application circuit of power electronic devices, a snubber circuit, that is, an absorption circuit, must be set without exception. Some readers who are us...[Details]
On September 2, a foreign blogger released a spy photo of the front panel of Huawei Mate 30 Pro on Twitter. According to the leaked photo, it can be confirmed that Mate 30 Pro will adopt a notch wate...[Details]
Australian electric vehicle fast-charging technology company Tritium has unveiled what it calls the world’s most powerful electric vehicle charger at Automotive World Japan. Called the Veefil-PK DC H...[Details]
TI Technology Forum
京公网安备 11010802033920号
EEWORLD
