Is power supply design difficult? I believe the answer is yes. However, as an essential component of electronic products, many people want to learn it well.
First, let's take a look at the definition ...
[p=30, null, left][color=rgb(34, 34, 34)][font="][size=4][color=#000000]Switching power transformer[/color]Switching power transformer is a power transformer with a switching tube added. In addition t...
stm32/boards/pllvalues.py: Relax PLLQ constraints on STM32F413 MCUs.
stm32/powerctrl: Support using PLLI2C on STM32F413 as USB clock source.
stm32/powerctrl: Allow a board to configure AHB and APB clo...
The battery voltage is pulled down, the BAT battery voltage is 4.21V,
When MCU_CTL is at a low level (short-connected to GND and then released), Q5 and Q1 are turned off, and the BAT_OUT output is alr...
There was a problem with the project recently. After changing the program, the compilation was not correct.It's as if the program has not been modified, so it runs incorrectly.
Can any experts please ...
Using ordinary PWM IC + logic chip + 2 half-bridge drivers to achieve 4-switch buck-boost instead of LM5175 is too expensive. Currently, the production line uses hundreds of pieces every day.This cont...
Set the multimeter to R×1k. For PNP tubes, connect the black test lead to the emitter E, the red test lead to the base B, and connect the forward voltage to the emitter. The forward voltage of the ...[Details]
When designing electronic ballasts for fluorescent or high-intensity discharge (HID) lamps, in addition to meeting the usual cost, reliability, and long life requirements, designers must also provi...[Details]
Recently, several senior executives of Qualcomm, including Michelle Leyden Li, senior marketing director of CDMA technology, Tim Leland, senior director of GPU product management, and Tavis Lanier, d...[Details]
In enterprises, there are many indicators used to measure the quality of production equipment management. For example: equipment integrity rate, equipment availability, equipment compre...[Details]
Cloud-based voice assistants are being used more and more widely, which in the process has also promoted the rapid development of the smart speaker industry. In our "Audio Product Usage Status Survey...[Details]
/**************************************************************
Program function: send and receive data one by one through RS485 port
--------------------------------------------------------------- ...[Details]
Voltage type three-phase bridge inverter circuit
In addition to the output waveform performance indicators, the performance indicators of the inverter should also include:
...[Details]
A solar-plus-storage power plant using LG ES BESS equipment. Image source: LG Energy Solution
LG Energy Solution will build a new battery factory in the United States with ...[Details]
introduction
Throughout the history of power supply development, the complexity of switching power supplies has always been a stumbling block for them to enter the relatively small-volu...[Details]
Reference News Network reported on May 18 that the Nihon Keizai Shimbun website reported on the 17th that Taiwanese manufacturers that supply semiconductors and digital products to global technology ...[Details]
Solution 4 is implemented by a monolithic integrated chip AD620, as shown in Figure 4. Its feature is a simple circuit structure: an AD620, a gain setting resistor Rg, and an external working po...[Details]
1. Overview With the rapid development of the performance and processing technology of non-metallic materials, non-metallic materials are being used in automobiles at an unprecedented rate. The avera...[Details]
The flash address of stm32 starts at 0x08000000, and the end address is 0x080000000 plus the actual flash size of the chip. The flash size of different chips is different. The RAM start address is 0...[Details]
The third CIIE opened, and Samsung, like in previous years, brought its latest cutting-edge technological achievements. Exhibits in the semiconductor field were particularly eye-catching. The 980 PRO...[Details]
In modern industrial production, the motor is the main driving device. At present, the KZ-D traction system that uses thyristor (i.e., silicon controlled rectifier) devices to supply power to the m...[Details]