1. In the power-on startup waveform below, the AC input current Iac has two oscillations with short periods before the LLC circuit works. What's going on?From my understanding of the first paragraph, ...
I am working on a project that requires UCGUI. The control chip is DSPIC30F5011, 66KFlash, 4KRAM. Can UCGUI be ported? I am mainly worried that the RAM is not enough. Thank you!...
The long and short printed plug PCB uses a design with different lengths of printed plugs to meet the protection of grounding first and then powering on when the printed plug is plugged in and out of ...
The customer's product is: MP3 repeater motherboard
Glue application area: The MP3 repeater mainboard has two BGA chips and some resistors and capacitors that need glue application
...[Details]
On March 31, Sun Lining, foreign academician of the Russian Academy of Engineering and dean of the School of Mechanical and Electrical Engineering of Soochow University, said in his speech that it ...[Details]
Design and production of ultra-bright LED with one battery
1. Circuit Design
The voltage of a nickel-metal hydride battery is only 1.2V, while the ultra-bright LED requires a...[Details]
introduction
The openness, reconfigurable design, modularization, and networking of CNC systems are the hot topics in the current research of CNC technology. The technical essence of open CNC i...[Details]
1 Introduction
With the increasing application of switching power supplies in modern industrial society, the electromagnetic interference (EMI) problem generated by the PWM switching devices o...[Details]
This application note describes how to set the power jumpers on the MAX9259EVKIT and MAX9260EVKIT boards. The five most common jumper configurations are discussed. Proper jumper configuration can help...[Details]
Jiangsu Nanjing Lishui District Power Supply Company
The construction of "three types and two networks" is an important strategic measure to adapt to the new trend of the integrated developmen...[Details]
The interrupt program defines the interrupt entry address at the beginning of the program. The interrupt enable bit must be turned on during initialization. The overflow status bit does not need to be...[Details]
Marvell (NASDAQ:MRVL) recently announced that its automotive Ethernet switch software has obtained SPICE Level 2 automotive certification. This certification demonstrates Marvell's commitment to prov...[Details]
The main functions of STM8S GPIO are: ● Each bit of the port can be configured individually ● Selectable input mode: floating input and input with pull-up ● Selectable output modes: push-pull output ...[Details]
Use AT89S51 single-chip microcomputer to generate "beep, beep,..." alarm sound and output it from P1.0 port, the frequency is 1KHz. According to the above figure: 1KHZ square wave is output from P1...[Details]
PI Expert is a computer-aided design software for single-chip switching power supplies launched by PI, also known as the PI Expert expert system. The current version is 9.0. It can automatically gene...[Details]
International Solar Photovoltaic Network News: Chinese inverter company Sungrow announced that it will build a 3GW photovoltaic inverter manufacturing plant in Bangalore, the capital of Karnataka, ...[Details]
On October 31, Zeekr Energy announced that it had successfully obtained the qualification of a virtual power plant aggregator in Shenzhen, marking the company's official entry into the Shenzhen vir...[Details]
Power technology
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