WS2801

WS2801，全新原裝.當(dāng)天發(fā)貨或門(mén)市自取，如需了解更多產(chǎn)品信息聯(lián)系我們.零七五五.八二七三二二九一企鵝:一一七四零五二三五三，V:八七六八零五五八.

WS2801是一個(gè)恒定電流LED驅(qū)動(dòng)器，它主要為室內(nèi)/外LED顯示屏，和裝飾性LED照明系統(tǒng)而設(shè)計(jì)，非常適合用于需要接力串接的 LED照明系統(tǒng)，WS2801擁有3個(gè)獨(dú)立的輸出驅(qū)動(dòng)通道，每個(gè)通道均能實(shí)現(xiàn)獨(dú)立的256級(jí)PWM灰度控制，可在不改變LED發(fā)光色彩的 條件下實(shí)現(xiàn)256級(jí)LED灰度控制，并能輸出高達(dá)200mA的恒定LED驅(qū)動(dòng)電流，WS2801內(nèi)部包含串聯(lián)移位寄存器，數(shù)據(jù)鎖存器，輸出 寄存器，帶隙基準(zhǔn)電壓源，內(nèi)部振蕩器和可編程恒定電流驅(qū)動(dòng)器。 從SDI數(shù)據(jù)輸入的串行數(shù)據(jù)在CKI口時(shí)鐘信號(hào)的上升沿被讀入到芯片內(nèi)部的數(shù)據(jù)移位寄存器中，輸入的時(shí)鐘信號(hào)和LED灰度控制信號(hào) 在芯片內(nèi)部經(jīng)過(guò)時(shí)鐘數(shù)據(jù)再生電路整形后在CKO和SDO端輸出，以使芯片能夠接力串接工作。當(dāng)POL=“0”時(shí)，輸出極性反轉(zhuǎn) ， WS2801工作如同一個(gè)PWM控制器，能夠驅(qū)動(dòng)外接的開(kāi)關(guān)或者電路驅(qū)動(dòng)高亮度的LED，并實(shí)現(xiàn)大功率LED的256級(jí)灰度控制。WS2801 的2-線傳輸控制方法由世芯微電子專門(mén)為可級(jí)聯(lián)的LED照明裝飾系統(tǒng)所設(shè)計(jì)，具有速度快，可靠性高，灰度數(shù)據(jù)同步刷新等特點(diǎn)， 能夠最大限度的降低系統(tǒng)成本，非常適合用于低成本的LED裝飾照明系統(tǒng)。

還供應(yīng)：

M24512-RMN6TP
M24512-RMN6TB
M24512-RMN6TP
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HT48F10E 三端穩(wěn)壓
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HT45F2SA
HT45F2002
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HC32L073JATA-LQ48
HC32F030J8TA-LQ48
HC32F176KATA-LQ64
HC32L150FAUA-QFN32
HC32F460KETA-LQFP64
HC32F460JEUA-QFN48TR
HC32F190FCUA-QFN32TR
HC32L110B4PA-TSSOP16
HC32L110B6PA-TSSOP16
HT49RA1 其他單片機(jī)、電路板
HT49RA0
HT49RA1
HT49RA0-6
HT49RA0-6
S8050-J3Y 電子管
IRLR024NTRPBF IC
BS66FV340
ESKT52QFPA
ESKT52LQFPA
2SC5343S
2SC5343SG
CS32F030C8T6 IC
GH-8511*
HT7333
HT7333 IC
HT7333-2
HT7333-A
HT7333-3
HT7333-7
HT7333-1
HT7333
OV8856 電路板
HT7133
HT7133
HT7133-1
HT7133-3
HT7133-2
HT7133-3
HT75C0-7
HT75C0-1
HT75C0-3
HT75C0-2
HT75C0-3
HT75C0-7
HT75C0-1
HT75C0-2
HT32F52352
HT7733S
HT7733SA
ESKT48LQFPA
BC9824
HT16561
HT16565
HT16566
HT16562
HT16563*
HT16567*
VP202
HT48R30A-1 其他單片機(jī)、電路板
BS801B
BS801B
HT7833
HT7833
HT7833
HT7833
HT7125
HT7125
HT7125-2
HT7125-3
HT7125-1
HT7125-1
HT7125-3
HT7125-2
HT68FB30
HT68FB50
HT68FB40
HT68FB550
HT68FB540

AOB20S60 TO-263
AOB210L TO-263
AOB240L TO-263
AOB254L TO-263
AOB25S65 TO-263
AOB2606L TO-263
AOB260L TO-263
AOB262L TO-263
AOB264L TO-263
AOB266L TO-263
AOB270L TO-263
AOB2608L TO-263
AOB27S60 TO-263
AOB290L TO-263
AOB2918L TO-263
AOB298L TO-263
AOB29S50 TO-263
AOB409L TO-263
AOB410L TO-263
AOB411L TO-263
AOB412L TO-263
AOB414 TO-263
AOB416 TO-263
AOB4184 TO-263
AOB418L TO-263
AOB440 TO-263
AOB442 TO-263
AOB462L TO-263
AOB466L TO-263
AOB470L TO-263
AOB480L TO-263
AOB482L TO-263
AOB4S60 TO-263
AOB7S60 TO-263
AOB7S65 TO-263
AOC2411 CSP
AOC2800 CSP
AOC2802 CSP
AOD11S60 TO-252
AOD1N60 TO-252
AOD200 TO-252
AOD208 TO-252
AOD210 TO-252
AOD240 TO-252
AOD242 TO-252
AOD254 TO-252
AOD2610 TO-252
AOD2908 TO-252
AOD2N60 TO-252
AOD3N40 TO-252
AOD3N50 TO-252
AOD3N60 TO-252
AOD403 TO-252
AOD407 TO-252
AOD409 TO-252
AOD4100 TO-252
AOD4102 TO-252
AOD4104 TO-252
AOD4106 TO-252
AOD4110 TO-252
AOD4112 TO-252
AOD4120 TO-252
AOD4124 TO-252
AOD4126 TO-252
AOD4128 TO-252
AOD413 TO-252
AOD4130 TO-252
AOD4132 TO-252
AOD4136 TO-252
AOD413A TO-252
AOD4146 TO-252
AOD4156 TO-252
AOD417 TO-252
AOD418 TO-252
AOD4180 TO-252
AOD4182 TO-252
AOD4184 TO-252
AOD4184A TO-252
AOD4185 TO-252
AOD4186 TO-252
AOD4187L TO-252
AOD4189 TO-252
AOD4191L TO-252
AOD421 TO-252
AOD422 TO-252
AOD424 TO-252
AOD425 TO-252
AOD442 TO-252
AOD444 TO-252
AOD4454 TO-252
AOD446 TO-252
AOD450 TO-252
AOD454A TO-252
AOD456 TO-252
AOD458 TO-252
AOD464 TO-252
AOD468 TO-252
AOD472A TO-252
AOD474 TO-252
AOD476 TO-252
AOD478 TO-252
AOD480 TO-252
AOD482 TO-252
AOD484 TO-252
AOD486A TO-252
AOD490 TO-252
AOD492 TO-252
AOD496 TO-252
AOD496A TO-252
AOD4N60 TO-252
AOD4S60 TO-252
AOD508 TO-252
AOD510 TO-252
AOD514 TO-252
AOD516 TO-252
AOD518 TO-252
AOD5N40 TO-252
AOD5N50 TO-252
AOD603A TO-252-4L
AOD603A TO-252-4L
AOD607 TO-252-4L
AOD607 TO-252-4L
AOD609 TO-252-4L
AOD609 TO-252-4L
AOD6N50 TO-252
AOD7N60 TO-252
AOD7S60 TO-252
AOD7N65 TO-252
AOD7S65 TO-252
AOD8N25 TO-252
AOD9N40 TO-252
AOD9N50 TO-252
AOD9N52 TO-252
AOH3110 SOT223
AOI11S60 TO-251A
AOI1N60 TO-251A
AOI208 TO-251A
AOI403 TO-251A
AOI409 TO-251A
AOI4102 TO-251A
AOI4126 TO-251A
AOI4130 TO-251A
AOI4146 TO-251A
AOI418 TO-251A
AOI4184 TO-251A
AOI4185 TO-251A
AOI442 TO-251A
AOI444 TO-251A
AOI468 TO-251A
AOI472A TO-251A
AOI478 TO-251A
AOI482 TO-251A
AOI4N60 TO-251A
AOI4S60 TO-251A
AOI508 TO-251A
AOI510 TO-251A
AOI514 TO-251A
AOI516 TO-251A
AOI518 TO-251A
AOI5N40 TO-251A
AOI7N60 TO-251A
AOI7N65 TO-251A
AOI8N25 TO-251A
AOI9N50 TO-251A
AOK18N65 TO-247
AOK20N60 TO-247
AOK20S60 TO-247
AOK22N50 TO-247
AOK27S60 TO-247
AOK29S50 TO-247
AOK40N30 TO-247
AOK42S60 TO-247
AOK60N30 TO-247
AOL1202 Ultra SO8
AOL1206 Ultra SO8
AOL1208 Ultra SO8
AOL1240 Ultra SO8
AOL1242 Ultra SO8
AOL1401 Ultra SO8
AOL1404 Ultra SO8
AOL1413 Ultra SO8
AOL1414 Ultra SO8
AOL1426 Ultra SO8
AOL1428 Ultra SO8
AOL1428A Ultra SO8
AOL1432 Ultra SO8
AOL1432A Ultra SO8
AOL1448 Ultra SO8
AOL1454 Ultra SO8
AOL1458 Ultra SO8
AOL1482 Ultra SO8
AOL1700 Ultra SO8
AOL1704 Ultra SO8
AOL1712 Ultra SO8
AON1611 DFN1.6x1.6A
AON1634 DFN1.6x1.6A
AON2240 DFN 2x2B
AON2260 DFN 2x2B
AON2400 DFN 2x2B
AON2401 DFN 2x2B
AON2405 DFN 2x2B
AON2406 DFN 2x2B
AON2407 DFN 2x2B
AON2408 DFN 2x2B
AON2409 DFN 2x2B
AON2410 DFN 2x2B
AON2420 DFN 2x2B
AON2701 DFN 2x2
AON2800 DFN 2x2
AON2801 DFN 2x2
AON3402 DFN 3x3
AON3406 DFN 3x3
AON3408 DFN 3x3
AON3611 DFN 3x3
AON3611 DFN 3x3
AON3702 DFN 3x3
AON3806 DFN 3x3
AON3814 DFN 3x3
AON3816 DFN 3x3
AON4407 DFN 2x3
AON4413 DFN 2x3
AON4420L DFN 2x3
AON4421 DFN 2x3
AON4604 DFN 2x3
AON4605 DFN 2x3
AON4605 DFN 2x3
AON4703 DFN 2x3
AON4803 DFN 2x3
AON4805L DFN 2x3
AON4807 DFN 2x3
AON5802A DFN 2x5
AON5802B DFN 2x5
AON5810 DFN 2x5
AON5820 DFN 2x5
AON6200L DFN 5x6
AON6202 DFN 5x6
AON6204 DFN 5x6
AON6210 DFN 5x6
AON6232 DFN 5x6
AON6234 DFN 5x6
AON6236 DFN 5x6
AON6240 DFN 5x6
AON6242 DFN 5x6
AON6244 DFN 5x6
AON6246 DFN 5x6
AON6270 DFN 5x6
AON6280 DFN 5x6
AON6400 DFN 5x6
AON6403 DFN 5x6
AON6404 DFN 5x6
AON6404A DFN 5x6
AON6405 DFN 5x6
AON6407 DFN 5x6
AON6408 DFN 5x6
AON6410 DFN 5x6
AON6411 DFN 5x6
AON6414 DFN 5x6
AON6414AL DFN 5x6
AON6416 DFN 5x6
AON6418 DFN 5x6
AON6422 DFN 5x6
AON6424 DFN 5x6
AON6426 DFN 5x6
AON6428 DFN 5x6
AON6435 DFN 5x6
AON6440 DFN 5x6
AON6442 DFN 5x6
AON6444 DFN 5x6
AON6448 DFN 5x6
AON6450 DFN 5x6
AON6452 DFN 5x6
AON6454 DFN 5x6
AON6454A DFN 5x6
AON6458 DFN 5x6
AON6482 DFN 5x6
AON6484 DFN 5x6
AON6486 DFN 5x6
AON6500 DFN 5x6
AON6502 DFN 5x6
AON6504 DFN 5x6
AON6506 DFN 5x6
AON6508 DFN 5x6
AON6512 DFN 5x6
AON6514 DFN 5x6
AON6516 DFN 5x6
AON6520 DFN 5x6
AON6522 DFN 5x6
AON6526 DFN 5x6
AON6534 DFN 5x6
AON6542 DFN 5x6
AON6702 DFN 5x6
AON6704A DFN 5x6
AON6708 DFN 5x6
AON6710 DFN 5x6
AON6712 DFN 5x6
AON6716 DFN 5x6
AON6752 DFN 5x6
AON6754 DFN 5x6
AON6756 DFN 5x6
AON6758 DFN 5x6
AON6780 DFN 5x6
AON6782 DFN 5x6
AON6850 DFN 5x6 EP2
AON6884 DFN 5x6 EP2
AON6906 DFN 5x6A
AON6906 DFN 5x6A
AON6906A DFN 5x6B
AON6906A DFN 5x6B
AON6908 DFN 5x6A
AON6908 DFN 5x6A
AON6908A DFN 5x6B
AON6908A DFN 5x6B
AON6910A DFN 5x6B
AON6910A DFN 5x6B
AON6912 DFN 5x6A
AON6912 DFN 5x6A
AON6912A DFN 5x6B
AON6912A DFN 5x6B
AON6918 DFN 5x6A
AON6918 DFN 5x6A
AON6920 DFN 5x6A
AON6920 DFN 5x6A
AON6922 DFN 5x6A
AON6922 DFN 5x6A
AON6924 DFN 5x6A
AON6924 DFN 5x6A
AON6926 DFN 5x6B
AON6926 DFN 5x6B
AON6932 DFN 5x6B
AON6932 DFN 5x6B
AON6934 DFN 5x6B
AON6934 DFN 5x6B
AON6938 DFN 5x6B
AON6938 DFN 5x6B
AON6973 DFN 5x6B
AON6973 DFN 5x6B
AON6974 DFN 5x6B
AON6974 DFN 5x6B
AON7200 DFN 3x3 EP
AON7210 DFN 3.3x3.3
AON7220 DFN 3.3x3.3
AON7240 DFN 3x3 EP
AON7242 DFN 3.3x3.3
AON7244 DFN 3.3x3.3
AON7246 DFN 3x3 EP
AON7400 DFN 3x3 EP
AON7400A DFN 3x3 EP
AON7401 DFN 3x3 EP
AON7402 DFN 3x3 EP
AON7403 DFN 3x3 EP
AON7404 DFN 3x3 EP
AON7405 DFN 3.3x3.3
AON7406 DFN 3x3 EP
AON7407 DFN 3x3 EP
AON7408 DFN 3x3 EP
AON7410 DFN 3x3 EP
AON7412 DFN 3x3 EP
AON7416 DFN 3x3 EP
AON7418 DFN 3x3 EP
AON7421 DFN 3x3 EP
AON7422E DFN 3x3 EP
AON7422L DFN 3x3 EP
AON7423 DFN 3.3x3.3
AON7424 DFN 3x3 EP
AON7426 DFN 3x3 EP
AON7428 DFN 3.3x3.3
AON7430L DFN 3x3 EP
AON7432 DFN 3x3 EP
AON7436 DFN 3x3 EP
AON7444 DFN 3x3 EP
AON7446 DFN 3x3 EP
AON7448 DFN 3x3 EP
AON7450 DFN 3x3 EP
AON7452 DFN 3x3 EP
AON7458 DFN 3x3 EP
AON7460 DFN 3x3 EP
AON7462 DFN 3x3 EP
AON7508 DFN 3x3 EP
AON7514 DFN 3x3 EP
AON7516 DFN 3x3 EP
AON7522E DFN 3x3 EP
AON7528 DFN 3x3 EP
AON7611 DFN 3x3 EP
AON7611 DFN 3x3 EP
AON7700 DFN 3x3 EP
AON7702A DFN 3x3 EP
AON7702B DFN 3x3 EP
AON7752 DFN 3x3 EP
AON7754 DFN 3x3 EP
AON7784 DFN 3.3x3.3
AON7788 DFN 3x3 EP
AON7804 DFN 3x3 EP
AON7820 DFN 3x3 EP
AON7826 DFN 3x3 EP
AON7900 DFN 3.3x3.3A
AON7900 DFN 3.3x3.3A
AON7902 DFN 3.3x3.3A
AON7902 DFN 3.3x3.3A
AON7932 DFN 3x3A EP2
AON7932 DFN 3x3A EP2
AON7934 DFN 3x3A EP2
AON7934 DFN 3x3A EP2
AOP605 PDIP-8
AOP605 PDIP-8
AOP609 PDIP-8
AOP609 PDIP-8
AOT10N60 TO-220
AOT10N65 TO-220
AOT1100L TO-220
AOT11N70 TO-220
AOT11S60 TO-220
AOT11S65 TO-220
AOT12N30 TO-220
AOT12N50 TO-220

MOSFET管是FET的一種（另一種是JFET），可以被制構(gòu)成增強(qiáng)型或耗盡型，P溝道或N溝道共4種類型，但理論應(yīng)用的只需增強(qiáng)型的N溝道MOS管和增強(qiáng)型的P溝道MOS管，所以通常提到NMOS，或者PMOS指的就是這兩種。場(chǎng)效應(yīng)管分為結(jié)型場(chǎng)效應(yīng)管（JFET）和絕緣柵場(chǎng)效應(yīng)管（MOS管）兩大類。
一、結(jié)型場(chǎng)效應(yīng)管（JFET）
1.結(jié)型場(chǎng)效應(yīng)管的分類：結(jié)型場(chǎng)效應(yīng)管有兩種結(jié)構(gòu)形式，它們是N溝道結(jié)型場(chǎng)效應(yīng)管和P溝道結(jié)型場(chǎng)效應(yīng)管。
結(jié)型場(chǎng)效應(yīng)管也具有三個(gè)電極，它們是：柵極；漏極；源極。電路符號(hào)中柵極的箭頭方向可理解為兩個(gè)PN結(jié)的正向?qū)щ姺较颉?br /> 2、結(jié)型場(chǎng)效應(yīng)管的工作原理(以N溝道結(jié)型場(chǎng)效應(yīng)管為例)，N溝道結(jié)構(gòu)型場(chǎng)效應(yīng)管的結(jié)構(gòu)及符號(hào)，由于PN結(jié)中的載流子已經(jīng)耗盡，故PN基本上是不導(dǎo)電的，形成了所謂耗盡區(qū)，當(dāng)漏極電源電壓ED一定時(shí)，如果柵極電壓越負(fù)，PN結(jié)交界面所形成的耗盡區(qū)就越厚，則漏、源極之間導(dǎo)電的溝道越窄，漏極電流ID就愈�。环粗�，如果柵極電壓沒(méi)有那么負(fù)，則溝道變寬，ID變大，所以用柵極電壓EG可以控制漏極電流ID的變化，就是說(shuō)，場(chǎng)效應(yīng)管是電壓控制元件。
二、絕緣柵場(chǎng)效應(yīng)管
1、絕緣柵場(chǎng)效應(yīng)管（MOS管）的分類：絕緣柵場(chǎng)效應(yīng)管也有兩種結(jié)構(gòu)形式，它們是N溝道型和P溝道型。無(wú)論是什么溝道，它們又分為增強(qiáng)型和耗盡型兩種。
2、它是由金屬、氧化物和半導(dǎo)體所組成，所以又稱為金屬—氧化物—半導(dǎo)體場(chǎng)效應(yīng)管，簡(jiǎn)稱MOS場(chǎng)效應(yīng)管。
3、絕緣柵型場(chǎng)效應(yīng)管的工作原理(以N溝道增強(qiáng)型MOS場(chǎng)效應(yīng)管)它是利用UGS來(lái)控制“感應(yīng)電荷”的多少，以改變由這些“感應(yīng)電荷”形成的導(dǎo)電溝道的狀況，然后達(dá)到控制漏極電流的目的。在制造管子時(shí)，通過(guò)工藝使絕緣層中出現(xiàn)大量正離子，故在交界面的另一側(cè)能感應(yīng)出較多的負(fù)電荷，這些負(fù)電荷把高滲雜質(zhì)的N區(qū)接通，形成了導(dǎo)電溝道，即使在VGS=0時(shí)也有較大的漏極電流ID。當(dāng)柵極電壓改變時(shí)，溝道內(nèi)被感應(yīng)的電荷量也改變，導(dǎo)電溝道的寬窄也隨之而變，因而漏極電流ID隨著柵極電壓的變化而變化。場(chǎng)效應(yīng)管的工作方式有兩種：當(dāng)柵壓為零時(shí)有較大漏極電流的稱為耗散型；當(dāng)柵壓為零，漏極電流也為零，必須再加一定的柵壓之后才有漏極電流的稱為增強(qiáng)型。

本公司型號(hào)眾多，未能盡錄，歡迎詢價(jià)下單�。。�

安規(guī)X2Y1,Y2電容，
高低壓瓷片電容，CBB電容，
滌綸電容，獨(dú)石電容,固態(tài)電容 和電解電容50V0.1UF ，50V0.22UF， 50V0.33UF ，50V0.47UF， 50V1UF ，50V2.2UF， 16V470UF， 8X9 ，16V470UF ，6X11 ，16V680UF ，6X12，16V680UF ，8X12，16V820UF， 8X12，16V820UF， 8X12，16V1000UF， 8X14，16V330UF， 6X9 ，16V270UF ，8X9 ，16V560UF， 5.5X12 ，16V560UF6X12 ，16V100UF， 6X9 ，25V100UF ，6X7 ，35V100UF ，6X7， 6.3V1000UF ，6X11， 6.3V820UF ，6X9 ，6.3V560UF，6X9

SI2300，SI2301， SI2302，SI2310
AO3400 ，AO3401，AO3407
SS8050-Y1， SS8550-Y2
S8050-J3Y，S8550-2TY
5551-G1 ，5401-2L

LM385/LM236/LM311/LM336/LM258/LM285/LM224/LM567/LM1881…PC/BPC/JC817/OB2263/OB2269/FQPF2N60C/LM1875/BISS0001/KA3525//KA3524/LM833/cs4334/LP3211P/LP3211B6F
PCF8563T/PT2399/CD4020/CD4011/TC4011/LM2903/LM2904/LM2901/LM2902等

2300 ，2301，2302， 2305 ，3400， 3401
7N65 ，10N65 ，12N65 ，20N65， 13N50，18N50，25N50
C945-CR ，3904-1AM ，9014-J6
T4，S4， SLSOD123（SOD-123/323/523）

SI2300SI2301SI2302SI2305SI2310SI2312SI2317SI2318
AO3400AO3401AO3402AO3406AO3407AO3415AO3416
RB521S/CS-30 ，（SOD-523/923）
MB6F， MB10F，MB6S ，MB10S

AO4402AO4403AO4406AO4407AO4435AO4606AO4614
AO4805AO4812AO4828AO4438AO9926SI9435SI4953
SS14，SS24， SS34 ，M7， A7，F(xiàn)7

誠(chéng)信合作，互惠互利，愿與新老客戶建立長(zhǎng)期合作的伙伴關(guān)系!

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