Lite-On began producing LED lamps in 1975; the company has steadily grown to become one of the world's largest manufacturers of optoelectronics products by providing customers with visible and infrared product solutions. High-volume production of commercial and application-specific products, as well as strong R&D and vertical integration capabilities have proven to be key and differentiating factors in Lite-On's success.
[color=rgb(68,68,68)][backcolor=rgb(255,255,255)] Traditional linear regulators, such as the 78xx series chips, require the input voltage to be 2v~3v higher than the output voltage, otherwise they wil...
#include"msp430g2553.h"unsigned int admem[4];unsigned long n;unsigned int invot=0;unsigned int inan=0;unsigned int otan=0;unsigned int outvot=0;
void sys_Clock_Init() //时钟初始化为 1MHz；
{
BCSCTL1 = CALBC1...
I developed a custom keyboard device of HID class, in which endpoint 1 has no out function. The HID protocol seems to say that it can be accessed directly with writefile, and it will automatically acc...
Because the bootloader provided by the board manufacturer does not have source code, I want to modify one myself. The modifications are basically the same, but when downloading the kernel, it will sto...
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
Previously used primarily in high-power power supplies and large industrial and consumer power supplies, supercapacitors are now finding their way into products of all sizes, especially portable de...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
First, the choice of charging location. Wireless charging technology is related to the distance and state of the charger and the charged device. That is to say, the distance between the two cannot...[Details]
The active power loss of the power transformer includes two parts: transformer no-load loss and transformer load loss. Under a certain load, the active power loss of the transformer can be expresse...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
LED definition
In the PN junction of some semiconductor materials, when the injected minority carriers recombine with the majority carriers, they release the excess energy in the fo...[Details]
Figure 1 Solar panels on photovoltaic roofs "spontaneously combust"
Recently, a solar panel in a photovoltaic power station in Germany caught fire. The burning scene was horrific. It i...[Details]
1 Introduction
With the increasing severity of environmental pollution and the development of new energy, bidirectional DC converters have been used more and more widely, such as DC uninte...[Details]
Reference sources are widely used in various analog integrated circuits, mixed-signal integrated circuits and system integrated chips. Their accuracy and stability directly determine the accuracy of t...[Details]
Analogue and Mixed Signal
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