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Most LED power supply circuits are composed of a switching power supply circuit + a feedback circuit. The feedback circuit samples the load and adjusts the duty cycle or frequency of the switchin...[Details]
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Here, beginners need to clarify a product concept in the actual use of microcontrollers. The MCS-51 microcontroller was launched by the American INTE company in 1980. Typical products include 8031 ...[Details]
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Central topics:
Design scheme for improving performance of digital control power supply
Solution:
Adding intelligent protection functions to enhance power reliability
...[Details]
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According to the definition of IEC, EPS is functionally consistent with the definition of backup UPS, that is, when the mains is normal, the load is powered by the mains; when the mains fails,...[Details]
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In the new year of Gengzi, the new coronavirus epidemic ravaged China. While countless white-coat warriors, PLA officers and volunteers are fighting on the front line against the epidemic and prote...[Details]
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Hello everyone, we are back to discuss the memory composition of S3C2440. Let’s take a picture first: figure 1 S3C2440 is a 32-bit microcontroller (please allow me to call it a microcontroller, bec...[Details]
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To correctly execute the external interrupt of 2440, generally two parts need to be completed: interrupt initialization and interrupt processing function. Before executing the interrupt, the inte...[Details]
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When the video of replacing the battery of the Lexus CT200h was released, many netizens commented: This is nonsense, hybrid vehicles are not considered new energy vehicles at all. However, the previo...[Details]
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After three years of closed testing with a mileage of nearly 2,000 kilometers, Taiwan's Industrial Technology Research Institute (ITRI) said that the autonomous vehicle integration system will offici...[Details]
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#include //MCU header file
#define uint unsigned int //Macro definition of unsigned integer
#define uchar unsigned char //Macro definition of unsigned character
#include //MCU header file
#def...[Details]
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1. Structure of the serial port
The structure diagram of the MCS-51 serial port is shown in the figure. It can be seen from the figure that the serial port of the MCS-51 microcontroller is mainly co...[Details]
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STC89C51/STC89C52 Timer No internal oscillation source, an external crystal oscillator is required Using 11.0592MHz or 22.1184MHz can easily get the standard clock for serial communication. The STC89...[Details]
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Fairchild
Semiconductor
has released the latest
LED driver
products FAN5701 and
FAN5702
, which have a peak efficiency of 92% and can extend battery life for designers of
mo...[Details]
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In this power design tip and the next one, we will look at a simple method for estimating the temperature rise of a hot-swap MOSFET. Hot-swap circuits are used to limit the inrush current when a capac...[Details]
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If you are an auto technician, vehicle technician or auto mechanic, you may find this cheap yet powerful car battery charger circuit very handy as it can be used to charge all types of car and moto...[Details]
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