D38999/24KJ90SBL

introduction 　　随着对大功率低电压本安电源的需求增大，基本本安Buck变换器就需要进一步提高输出功率。但是要想提高输出功率，增大输出电流，可以使变换器输出端电感电容的容量增加，但是这样很容易引燃爆炸性气体，降低本质安全性能；再者可以通过提高开关频率来实现，一方面能够减小为满足输出纹波电压要求所需的电感和电容取值，因此也有利于本质安全，但另一方面提高开关频率却降低了变换器的效率，...[Details]

include status equ 03h ;2004/4/28 rp0 equ 05h ; z equ 02h ;1-2-3-9-1 pcl equ 02h portd equ 08h trisd equ 88h mm equ 20h Count equ 22h Count1 equ 23h Count2 equ 24h org 10 star...[Details]

The following is a 16-way multi-channel ADC acquisition circuit diagram and source program made using the STM32 microcontroller. It uses a USB interface to connect to the computer, which is actually ...[Details]

The traction drive consumes almost all of the energy in an electric vehicle (EV). Therefore, the drive system must be as efficient as possible while taking up minimal space with minimal weight—all ...[Details]

Teledyne e2v’s new 8 GB DDR4 memory advances edge computing in space Ultra-compact elastic dynamic memory advances cutting-edge space programs and space-based communications, observa...[Details]

1. Description of the phenomenon In the project generated by STM32 CubeMX, serial port 2 is used. DMA mode is enabled for sending, interrupt is used for receiving, one byte is received each time, and...[Details]

Recently, China Unicom announced its operating data for April 2019. The data showed that China Unicom's mobile bill users in April reached 324 million, with a net increase of 1.136 million mobile bil...[Details]

To analyze the architecture of the flash controller, we must first understand SSD. Generally speaking, there are two types of SSD storage media: one uses flash memory (Flash chip) as the storage me...[Details]

At present, the development of circuits is moving from abstract analogy to digitalization, so the development of these measuring instruments is also moving towards this conditional method. Now, in te...[Details]

In Guangdong, a land full of vitality, there is an important power equipment that is silently playing a role, that is, the 380V to 200V transformer with chassis and N wire. T...[Details]

Introduction: Last month, I was invited to watch the online conference of SemiDrive's 9 series SoC. In fact, I received an invitation to the offline conference at the beginning of the year, but the t...[Details]

The IO port is the most basic component for the processor system to communicate with the outside world. From basic keyboards and LEDs to complex peripheral chips, they are all read or controlled thro...[Details]

On the evening of February 24, AMEC released its full-year performance report for 2020. During the reporting period, the company achieved operating income of 2.273 billion yuan, an increase of 16.76%...[Details]

Effect video This is the main interface This is the main menu interface This is the sub-interface for setting time This is for setting date Setting background light This is after setting the...[Details]

When adding a new time in the program, the register cannot be written during initialization. The reason is that the relevant initialization is not performed and a register is not enabled.   The proce...[Details]