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2. Use a switching constant current source with high voltage direct step-down
The voltage obtained by direct rectification of AC is 264V. At this time, a high-voltage Buck circuit with dir...[Details]
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In 2018, global chip sales were approximately $468.8 billion, of which China imported $312 billion, accounting for two-thirds. This means that two out of every three chips produced in the world are s...[Details]
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The circuit diagram is as follows: The microcontroller source program is as follows: #include reg51.h #include intrins.h unsigned int times; unsigned int controlway; unsigned int flag = 0; u...[Details]
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Hardware platform: stm32F407Zet6 Software platform: stm32cubeMX 4.7+MDK5.14 Circuit connection: PE8-LED0, PE9-LED1, PE10-LED2, PE11-LED3, PE12-KEY0, PE13-KEY1, PE14-KEY2, PE15-KEY3 The first step is ...[Details]
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Product naming
As the name suggests, automotive grade inductors are used in the automotive electronics field and can meet the high reliability requirements of the automotive industry. ...[Details]
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Digital multimeters are popular among radio enthusiasts because of their advantages such as accurate measurement, convenient value acquisition, and complete functions. The most common digital multimet...[Details]
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According to German magazine Der Spiegel, German power grid operators plan to build three giant batteries with a total discharge capacity of 900 megawatts from 2025 to ease grid congest...[Details]
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Farnell's sales in the second quarter of 2022 increased 35.3% year-on-year to US$441 million, and its operating profit margin increased to 13.7%, higher than 10.9% in the first quarter and 8.3% in th...[Details]
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Vital sign monitoring can help us understand our physical condition in a timely manner, take appropriate preventive or intervention measures, and protect our health. However, vital sign signals are...[Details]
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As the problem of greenhouse gas emissions from the earth becomes increasingly serious and approaches the critical point of the earth's self-regulation, countries have introduced relevant policies ...[Details]
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Ever since Toyota hyped up “solid-state batteries” last year, it seems that the entire new energy vehicle industry has been paying attention to this new product, which is regarded as the future of ...[Details]
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There is a need to use serial flash memory in many electronic products. Serial flash memory is popular because of its simpler control program and circuit and reliable storage capacity. Therefore, i...[Details]
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Today, many portable electronic products require backlight LED driver solutions that have the following features: DC control, high efficiency, PWM dimming, overvoltage protection, load disconnect...[Details]
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The aging of the global population and the soaring medical costs have driven a huge market demand for home healthcare solutions. According to ABI Research, there will be 59 million wearable home he...[Details]
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Sensors are the front end that send various parameters to computer systems for intelligent monitoring and control. With the development of science and technology, digital and networked sensors are inc...[Details]