Hello everyone, I now want to need a DC/DC step-down chip. The input requirement is DC20V 3.25A and the output is DC 3.4V 14A. If there is a constant source, it would be the best. Thank you. If you ha...
[i=s]This post was last edited by shipeng on 2019-5-15 18:48[/i] [size=3]I recently used the USB_OTG_FS of STM32F429 to make a BOOTLOADER that can read files in the USB disk through USB (PA11, PA12) o...
As an energy conversion device working in the switching state, the voltage and current change rate of the switching power supply is very high, and the interference intensity generated is relatively la...
In the previous article, I used the four user buttons on the kit to change the display color of the RGB LED. In addition to the four user buttons, there are four capacitive touch buttons on the kit:I ...
[i=s] This post was last edited by Mengxin on 2019-2-18 13:59 [/i] K60's question: Why does Putty not respond to the serial port printing characters? (I have checked many times that the interface numb...
PWM and PFM are two major types of DC-DC converter architectures.
The performance characteristics of each type are different
Efficiency at heavy and light loads
Load Regulation
Design Complexity
EMI /...
1 Overview
Using the rich resources of existing Ethernet (Internet), building an Ethernet distributed measurement and control system is a low-cost, high-reliability, and fast technical solution. ...[Details]
Nitrogen blower is also called nitrogen blow dryer, automatic rapid concentrator, etc. Nitrogen blower can blow nitrogen quickly, continuously and controllably to the surface of heated samples to a...[Details]
On the evening of March 4, Red Magic held an online product launch conference and released the new Red Magic Gaming Phone 6/6Pro. The Red Magic Gaming Phone 6 series is the first flagship gamin...[Details]
1 Main functions of DEI1016
DEI1016 is a serial receiving and transmitting device produced by DeviceEngineeringIncorporated that supports the ARINC429 aviation bus protocol. The main functio...[Details]
introduction
The electric meters currently installed on electric locomotives in China are basically traditional mechanical electric meters. Although mechanical electric meters have the ...[Details]
Dell Technologies announced that its Quiet Keyboard and Mouse Set (KM555) and Dell Wired Collaboration Keyboard (KB525C) are now available. These two products were previously released at the Dell T...[Details]
In UPS, only the cooling fan used to cool the power
drive
device has movable
mechanical
parts. The rest of the parts are made of solid-state
electronic
components, and the f...[Details]
An ideal UPS should be purely resistive to the grid, that is, the power factor of the UPS should be 1, so that it does not pollute the grid. However, the reality is that most UPSs generally use 50Hz ...[Details]
On the morning of January 13, Adobe abandoned support for Flash Player a few weeks ago and strongly recommended that all users immediately uninstall the browser plug-in for security reasons. St...[Details]
In the single-chip microcomputer application system, it is often necessary to measure the frequency of a continuous pulse wave. In practical applications, the measurement of physical quantities such a...[Details]
After years of development and accumulation, LED lighting technology has entered a stage of rapid development. As an important part of the lighting industry, road lighting accounts for about 20-30%...[Details]
Due to the high-speed switching action of the power switch tube, the switching power supply will generate a strong electromagnetic interference (EMI) signal. In order to suppress the external elect...[Details]
In the previous I/O control article, when the program needs a delay, we use loop statements to implement it. This method is simple to delay, but not very accurate. When precise delay is required, ...[Details]
At the previous press conference, Microsoft released two dual-screen products - Surface Duo and Neo, and now there is further news about the former, such as more specific configuration information. ...[Details]
On November 14, Xiaomi Auto announced its intelligent chassis pre-research technologies, including Xiaomi fully active suspension, Xiaomi super four-motor system, Xiaomi 48V wire-controlled braking...[Details]
Power technology
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