集成快恢复二极管的扩铂工艺VDMOS,可用于高速电吹风筒
高速吹风机的高转速,主要来自直流三相无刷电机,利用其结构简单、可靠性高、调速性能好、寿命长、无换向火花、输出转矩大、体积小、重量轻的优点,在外观方面高速吹风机也摒弃了传统长风嘴造型,选用短风嘴,马达放置于手柄处,重心下沉式,更加符合人体工学。
传统的吹风机是利用高温去烘干头发为主,过高的温度会让发质受损,而高速吹风机它具备智能温控,内置NTC感温芯片,使其最高温度不会超过57度,并且有些高速吹风机还支持护发精油、负离子等护发功能,能够更好的保护头发。
其次高速吹风机它的重量轻,相比传统吹风机,高速吹风机平衡精度高,实现了电机工作时的低振动,所以整机的体积更小,重量也更轻,更加便于携带。
高速吹风筒拓扑图
扩铂工艺专利技术:
提供具有N型外延层的半导体基片,在所属半导体基片正面制备终端区和元胞区,所属终端区内形成多晶硅与金属场板的复合终端结构,所属终端区将所属元胞区包围在其中。
对所述半导体基片的正面使用聚酰亚胺保护膜进行遮蔽处理,对所述半导体基片的背面进行预处理,去除背面氧化层及损伤层然后制备缓冲区,在缓冲区表面进行扩铂。
在所述半导体基片背面制备N+漏极区以及漏极电流;其中,在铂水改质的所述N-buffer缓冲区中,重建所述N+漏极区,能增加所述N-buffer缓冲区使用寿命。
通过高温将铂扩散进N-buffer缓冲区进行寿命控制。
针对高速吹风筒市场,HI-SEMICON深鸿盛推荐使用该司专利产品——集成快恢复二极管的扩铂工艺VDMOS,其产品优势:
1)新型的横向变掺杂技术;
2)专有的功率MOS结构;
3)超小内阻,结电容适中,散热性能好;
4)高温漏电小,高温电压跌落小;
5)电磁辐射EMI的处理更简单;
6)EAS抗雪崩能力更好。
扩铂工艺VDMOS选型表:
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本文由Vicky转载自HI-SEMICON(深鸿盛)微信公众号,原文标题为:产品资讯 | VDMOS在高速电吹风筒上的应用,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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产品型号
|
品类
|
Package
|
Channel
|
VDS[max] (V)
|
VGS(V)
|
ID[max](25℃) (A)
|
PD[25℃] (W)
|
VGS(th)[min] (V)
|
VGS(th)[max] (V)
|
RDS(on)[typ] (@10V) (Ω)
|
Ciss(typ)(pF)
|
QG[typ](nC)
|
SFF7N65-Y
|
高压功率MOSFETs
|
TO-220F-3L
|
N
|
650
|
±20
|
50
|
62
|
2.0
|
4.0
|
15.4
|
1530
|
41.7
|
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