-
Keywords: PWM controller; MAX668/MAX669; DC/DC converter
1 Introduction
MAX668/MAX669 is a fixed frequency PWM controller working in current mode, with power exceeding 20W and adjustabl...[Details]
-
What is a PID controller?
PID regulator is an automatic control system based on the proportional-integral-differential (PID) control algorithm. It realizes automatic control by continuously ad...[Details]
-
How to measure whether a mobile phone is good or not? The most direct and effective method is of course to try it out, but it is difficult for users to experience and compare mobile phones one...[Details]
-
An oscilloscope is an electronic measuring instrument with a wide range of uses. It can transform invisible electrical signals into visible images, making it easier for people to study the changing p...[Details]
-
This program uses an ultrasonic module to measure distance and displays it on a digital tube. Other friends can modify some codes based on this program and apply it to smart cars or other distance me...[Details]
-
background PCB circuit boards mass-produced in modern electronic factories need to undergo circuit functional testing (FCT) before they are finally packaged and shipped. In this functional testing ...[Details]
-
The waveform of the motor changes rapidly when it starts and stops. The usual practice for start-stop testing is to use an oscilloscope, but the oscilloscope has low accuracy and cannot accurately me...[Details]
-
In the data sheet of power MOSFET, there are usually parameters such as single pulse avalanche energy EAS, avalanche current IAR, repetitive pulse avalanche energy EAR, etc. However, many electron...[Details]
-
Electronic loads are generally divided into two types: DC loads and AC loads. In terms of sales volume on the market, DC loads are dozens of times more than AC loads. And AC loads rarely have larger ...[Details]
-
According to news Xiaomi will launch a dual-folding screen phone in the second quarter of 2019. The folding method is different from Huawei and Samsung, with symmetrical double external folding, that...[Details]
-
1: STC15W204S series has 8-pin and 16-pin. For specific applications, please refer to the STC15 series microcontroller manual. 2: STC15W401AS series includes SOP16, SOP20 and SOP28. For specific...[Details]
-
Timer related content Knowledge about CPU timing ① Oscillation period: The period of the oscillation source that provides timing signals to the microcontroller (crystal oscillator period or external ...[Details]
-
As we mentioned in our previous article, the smart driving cockpit makes the car not just a tool that allows you to move from A to B, but a smart device that understands humans and can interact with ...[Details]
-
Using macro definitions
In C language, macros are the only way to generate embedded code. For embedded systems, macros are a good way to replace functions in order to meet performance requiremen...[Details]
-
Working principle: Figure 1 shows three integrated operational amplifier output current expansion circuits. Figure (a) is a bipolar expansion circuit; Figure (b) and Figure (c) are unipolar expansion...[Details]
Power technology
京公网安备 11010802033920号
EEWORLD