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What is gallium nitride (GAN)
Gallium nitride (GAN) is a very hard and mechanically stable wide band gap semiconductor material. Because of higher breakdown strength, faster switching, highe...
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What are the three poles of MOS tube and the determination method - what is MOS ...
What are the three poles of MOS transistor and how to judge them The three poles of MOS transistor are g (gate), D (drain) and S (source and). It is required th...
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What is MOS tube? Schematic diagram of MOS tube structure principle (application...
MOS tube is a metal oxide semiconductor field effect transistor, or metal insulator semiconductor. The source and drain of MOS transistor can be switched. They ...
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Three methods of accelerating design cycle using brushless DC motor
The world is committed to reducing power consumption, and the momentum is getting stronger and stronger. Many countries / regions require household appliances (...
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Some characteristics of charging management chip
When using the non power path architecture, the system input and battery electrode are connected to the same charger output node (as shown in the figure below)....
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Working principle of step-down switching regulator
Step down DC / DC conversion is to convert the DC voltage Vin into the desired DC voltage by time dividing it with a switch and smoothing it with inductors and ...
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Understand the on / off principle of MOS transistor
Understanding the on / off principle of MOS transistor, you will find that it is more convenient to use PMOS as the upper tube and NMOS as the lower tube. The c...
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Have to look at the whole process of chip manufacturing
芯片一般是指集成電路的載體，也是集成電路經(jīng)過設(shè)計(jì)、制造、封裝、測試后的結(jié)果，通常是一個(gè)可以立即使用的獨(dú)立的整體。如果把中央處理器CPU比喻為整個(gè)電腦系統(tǒng)的心臟，那...
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Do you really know the difference between Class A, class B, class AB and class D...
Do you know the difference between Class A, class B, class AB and class D power amplifiers? Firstly, according to different amplification types of power amp...
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Common usage of MOSFET tube
MOS transistors are divided into n-channel and p-channel. Both n-channel and p-channel are enhanced and depleted. The main difference between the depletion type...
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Did you make it? Practical skills of four MOSFET
MOSFET is a product of the times. With the development of MOSFET technology, especially the emergence of single-chip MOSFET with high current, small package and...
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Basic knowledge of MOS tube (quick start)
MOS管基本MOS管基本認(rèn)識(shí)（快速入門）Basic knowledge of MOS tube (quick start),G極(gate)—柵極，不用說比較好認(rèn) ,S極(source)—源極，不論是P溝道還是N溝道，兩根線相交...
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The function of pull-down resistance of triode and MOS transistor
簡單講解一下三極管，如果三極管工作在飽和區(qū)（完全導(dǎo)通），Rce≈0，Vce≈0.3V，且這個(gè)0.3V，我們就認(rèn)為它直接接地了。那么就需要讓Ib大于等于1mA，若Ib=1mA, Ic=100mA，它...
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Application of capacitive touch chip in capacitive touch key
電容式感應(yīng)觸摸按鍵可以穿透絕緣材料外殼8mm(玻璃、塑料等等)以上，準(zhǔn)確無誤地偵測到手指的有效觸摸。并保證了產(chǎn)品的靈敏度、穩(wěn)定性、可靠性等不會(huì)因環(huán)境條件的改變或...
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3 types of frequently asked questions about charging wearable products
當(dāng)設(shè)計(jì)可穿戴式應(yīng)用時(shí)，我們已發(fā)現(xiàn)了一些與充電器相關(guān)的常見問題。在這里，讓我們看一些最常被咨詢的問題。 問：哪種線性充電器最適合我的應(yīng)用？ 答：當(dāng)為特定應(yīng)用選擇合適...
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Application circuit diagram and pin function analysis of 8002B power amplifier
本文主要是關(guān)于8002b功放的相關(guān)介紹，并著重對8002b功放的應(yīng)用電路圖及引腳進(jìn)行了詳盡的闡述。 8002B功放 8002B將會(huì)進(jìn)入關(guān)斷模式，此時(shí)的功耗極低，IQ僅為0.6uA。? 8002/8...
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Causes of EMI in class D audio power amplifier IC and PCB layout design reduce t...
由于在效率上相對于AB類放大器的巨大優(yōu)勢，D類放大器的應(yīng)用越來越廣泛。根據(jù)市場調(diào)研機(jī)構(gòu) Gartner的報(bào)告，D類放大器在2006年至2011年之間的復(fù)合年成長率將達(dá)15.6%，從3.34...
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Class D power amplifier IC board layout guide
如果沒有遵循一些基本的布局指南，PCB設(shè)計(jì)將會(huì)限制D類放大器的性能或降低其可靠性。下面描述了D類放大器一些好的PC板布局實(shí)踐經(jīng)驗(yàn)。采用帶有兩個(gè)BTL輸出的STA517B(每通道1...
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4890 and 4150，8302 dual layout application reference
4890和4150,8302雙layout應(yīng)用參考 4890產(chǎn)品有NS4890和XS4890，LM4890 4150產(chǎn)品有XS4150，NS4250，XS8302，CS8302
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How to select a cost-effective motor drive IC chip
如何選型到高性價(jià)比的馬達(dá)驅(qū)動(dòng)IC芯片（Motor drive）？為了讓馬達(dá)實(shí)現(xiàn)正反轉(zhuǎn)，此時(shí)需要為馬達(dá)選擇適合的馬達(dá)驅(qū)動(dòng)芯片，主要需要考慮得關(guān)鍵點(diǎn)有以下幾個(gè)： 1、產(chǎn)品所用到的...
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