µç¹¤Ñ§Ï°Íø

ÕÒ»ØÃÜÂë
Á¢¼´×¢²á
²é¿´: 2344 | »Ø¸´: 0
´òÓ¡ ÉÏÒ»Ö÷Ìâ ÏÂÒ»Ö÷Ìâ

¶ÔÓÚµç×Ó°®ºÃÕßÀ´ËµÈçºÎÇø·ÖIGBTºÍMOS¹Ü£¿

[¸´ÖÆÁ´½Ó]
Ìøתµ½Ö¸¶¨Â¥²ã
Â¥Ö÷
¶ÔÓÚµç×Ó°®ºÃÕßÀ´ËµÈçºÎÇø·ÖIGBTºÍMOS¹Ü£¿
¡ïÕâÀïÉæ¼°µ½IGBTÊÇʲô?ËüÓëMOS¹ÜÓÐʲôÇø±ðÂð?ËüÃÇ Á½¸ö¸÷ÓÐÓÅȱµã¡£
ÆäʵIGBT¾ÍÊǾøԵդ˫¼«Ð;§Ìå¹Ü¡£ÔõÑùÅбð¾øԵդ˫¼«¾§Ìå¹Ü(IGBT)µÄºÃ»µÂð?ÏÂÃæ±¾È˾ͼòµ¥ËµÒ»Ï¡£
¾øԵդ˫¼«¾§Ìå¹Ü(IGBT)ÊÇͨ¹ýÕ¤¼«Çý¶¯µçѹÀ´¿ØÖƵĿª¹Ø¾§Ìå¹Ü£¬¹ã·ºÓÃÓÚ±äƵÆ÷ÖÐ×÷ΪֱÁ÷Äæ±ä³É½»Á÷µÄµçÁ¦µç×ÓÔª¼þ¡£IGBT¹ÜµÄ½á¹¹¼ûÏÂͼËùʾ¡£
¶ÔÓÚµç×Ó°®ºÃÕßÀ´ËµÈçºÎÇø·ÖIGBTºÍMOS¹Ü£¿
IGBT¹ÜµÄ¹¤×÷Ô­Àíͬ³¡Ð§Ó¦¾§Ìå¹Ü(ͨ³£³ÆΪMOSFET¹Ü)ÏàËÆ£¬IGBT¹ÜµÄGΪդ¼«£¬CΪ¼¯µç¼«£¬EΪ·¢É伫¡£IGBTÏà¶ÔÓÚÈý¼«¹Ü£¬³¡¹ÜÓкܶàÌØÊâµÄµØ·½¡£ÒÔH20R1203ΪÀý£¬
¶ÔÓÚµç×Ó°®ºÃÕßÀ´ËµÈçºÎÇø·ÖIGBTºÍMOS¹Ü£¿
ËüÊÇÒ»¸ö×î³£ÓõÄÒ»¸öIGBT¹ÜµÄÒ»ÖÖ¡£ÕâÖֽṹµÄ¹Ü»ù±¾ÉÏ80£¥´øÓÐ×èÄá¶þ¼«¹Ü£¬Ê¹ÓÃÖдø×èÄáIGBT¹Ü¿ÉÒÔ´ú»»²»´ø×èÄáµÄIGBT¹ÜʹÓá£IGBT¹Ü¿ÉÒÔÀí½âΪ´ó¹¦ÂʵÄÈý¼«¹Ü¡¢MOS¹ÜµÄÒ»ÖÖ¸´ºÏÌ壬»òÕß˵ÊÇ×éºÏÌ壨µ«ÊDz»ÊǼòµ¥µÄ×éºÏ£¬¶øÊǼÓÁ˶à²ã°ëµ¼Ìå²ÄÁÏËùÐγɵģ©ÐγɵÄÐÂÐ͵çѹÇý¶¯ÔªÆ÷¼þ¡£IGBT¹Ü¼Ì³ÐÁËMOS³¡¹ÜµÄ¸ß×迹ºÍÈý¼«¹ÜµÄ¸ß·´Ñ¹µÄÓŵ㡣
IGBT¹Ü¼ì²âºÃ»µ¿ÉÒÔÓÃÊý×ÖÍòÓñíºÍÖ¸ÕëʽÍòÓñí¼ì²âIGBT¹ÜµÄºÃ»µ£¬¾ßÌå·½·¨ÈçÏ£¨ÒÔÖ¸ÕëʽÍòÓñí²âÁ¿£©¡£
¢ÙÈ·¶¨Èý¸öµç¼«(´Ëʱ¼Ù¶¨¹Ü×ÓÊǺõÄ)¡£ÏÈÈ·¶¨Õ¤¼«G¡£½«ÍòÓÃ±í²¦ÔÚRx10kµ²£¬Èô²âÁ¿µ½Ä³Ò»¼«ÓëÆäËûÁ½¼«µç×èֵΪÎÞÇî´ó£¬µ÷»»±í±Êºó²âµÃ¸Ã¼«ÓëÆäËûÁ½¼«µÄµç×èÖµÈÔΪÎÞÇî´ó£¬Ôò¿ÉÅжϴ˼«ÎªÕ¤¼«(G)¡£ÔÙ²âÁ¿ÆäÓàÁ½¼«¡£
Èô²âµÃµç×èֵΪÎÞÇî´ó£¬¶øµ÷»»±í±Êºó²âµÃµç×èÖµ½ÏС£¬´Ëʱºì±í±Ê(ʵΪ¸º¼«)½ÓµÄΪ¼¯µç¼«(C)£¬ºÚ±í±Ê(ʵΪÕý¼«)½ÓµÄΪ·¢É伫(E)¡£
¢ÚÈ·¶¨¹Ü×ӵĺûµ¡£½«ÍòÓÃ±í²¦ÔÚRx 10 kµ²£¬Óúڱí±Ê½ÓC¼«£¬ºì±í±Ê½ÓE¼«£¬´ËʱÍòÓñíµÄÖ¸ÕëÔÚÁã룬ÓÃÊÖָͬʱ´¥¼°Ò»¼«ÏÂGºÍC¼«£¬ÍòÓñíµÄÖ¸Õë°ÚÏòµç×èÖµ½ÏСµÄ·½Ïò(IGBT±»´¥·¢µ¼Í¨)£¬²¢Ö¸Ê¾ÔÚijһλÖã»ÔÙÓÃÊÖָͬʱ´¥¼°Ò»ÏÂG¼«ºÍE¼«£¬ÍòÓñíµÄÖ¸Õë»ØÁã(IGBT±»×è¶Ï)£¬¼´¿ÉÅжÏIGBTÊǺõġ£
Èç¹û²»·ûºÏÉÏÊöÏÖÏó£¬Ôò¿ÉÅжÏIGBTÊÇ»µµÄ¡£Óô˷½·¨Ò²¿É¼ì²â¹¦Âʳ¡Ð§Ó¦¾§Ìå¹Ü(P-MOSFET)µÄºÃ»µ¡£
¶ÔÓÚµç×Ó°®ºÃÕßÀ´ËµÈçºÎÇø·ÖIGBTºÍMOS¹Ü£¿
¡ïMOS¹ÜÊǵ¥¼«ÐÔ¾§Ìå¹Ü¡£ÒòΪIGBTÊÇÓÉMOS¹ÜÓëÈý¼«¹Ü×é³ÉµÄ¡£MOS¹ÜÓÅȱµã:Çл»ÆµÂʸߣ¬¿ª¹ØËٶȿìµã£¬È±µã¾ÍÊǸßѹʱµ¼Í¨µç×è¸ß£¬¹¦ºÄ´ó£¬Ò»°ãµÍÓÚ250V¡£IGBTÒòΪ¼ÓÁËÈý¼«¹Ü£¬¿ª¹ØÓÐЩÑÓʱ£¬ÍÏβ¶øËÙ¶ÈÂýµã£¬Óŵã¾ÍÊǸßѹʱµ¼Í¨µç×èµÍ£¬ÒòÈý¼«¹Üµ¼Í¨µç×è±ÈMOS¹ÜҪС£¬Ë«¼«Ðͱȵ¥¼«Ð;ÍÊǵç×èС¡£ÔÚ¸ßѹʱ,¹¦ÂÊËðºÄС¡£ÔÚµÍѹʱ¹¦ºÄ´óС¿´²»³öÀ´£¬¸ßѹ¾Í²»Ò»Ñù ÁË¡£
&eMOS¹ÜÓÖ³ÆΪµçÁ¦³¡Ð§Ó¦¾§Ìå¹Ü£¬ÊǽüЩÄê»ñµÃ×î¿ì·¢Õ¹µÄÒ»ÖÖµ¥¼«Ð͵çѹ¿ØÖÆÆ÷¼þ£¬²»µ«ÓÐ×ԹضÏÄÜÁ¦£¬¶øÇÒ¾ßÓÐÊäÈë×迹¸ß¡¢¿ÉÒÔÖ±½ÓÓëÊý×ÖÂß¼­¼¯³Éµç·Á¬½Ó¡¢Çý¶¯µç·¼òµ¥¹¦ºÄС¡¢¿ª¹ØËٶȿì´ï50kH¡¢¿ª¹ØËðºÄС¡¢ÈÈÎȶ¨ÐԺᢲ»´æÔÚ¶þ´Î»÷´©ÎÊÌâºÍ¹¤×÷¿É¿¿µÈÓŵ㡣¿ÉÓ¦ÓÃÓÚDC/DC±ä»»¡¢¿ª¹ØµçÔ´¡¢±ãЯʽµç×ÓÉ豸µÈµç×ÓµçÆ÷É豸ÖУ¬µ«¹¤×÷µçѹ»¹²»ÄÜÌ«¸ß£¬µçÁ÷ÈÝÁ¿Ò²²»ÄÜÌ«´ó£¬ËùÒÔÄ¿Ç°Ö»ÊÊÓÃÓÚС¹¦ÂʵçÁ¦µç×Ó×°Öá£
1.µçÁ¦³¡Ð§Ó¦¾§Ìå¹ÜµÄ½á¹¹ºÍ¹¤×÷Ô­Àí
µçÁ¦³¡Ð§Ó¦¾§Ìå¹ÜÓжàÖֽṹÐÎʽ£¬°´µ¼µç¹µµÀ¿É·ÖΪP¹µµÀºÍN¹µµÀ£¬Í¬Ê±ÓÖÓкľ¡ÐͺÍÔöÇ¿ÐÍÖ®·Ö¡£´Ë´¦ÒÔÓ¦ÓýϹ㷺µÄµ¥¼« VDMOSFET¡¢N¹µµÀÔöÇ¿ÐÍΪÀý£¬½éÉܵçÁ¦³¡Ð§Ó¦¾§Ìå¹ÜµÄ½á¹¹ºÍ¹¤×÷Ô­Àí£¬ÆäÄÚ²¿½á¹¹ºÍͼÐηûºÅÈçÏÂͼËùʾ¡£
¶ÔÓÚµç×Ó°®ºÃÕßÀ´ËµÈçºÎÇø·ÖIGBTºÍMOS¹Ü£¿
MOS¹ÜÒ»°ãÓÃÓÚ¸ßƵµç·£¬´óÓÚ100 KHz¡£ÓÃÓÚ ¿ª¹ØµçÔ´£¬¸ßƵͨÐŵçÔ´Ö®Àà¡£¶øIGBTÊÊÓÃÓÚƵÂÊСÓÚ25 KHzµÄ¸ßѹ´óµçÁ÷µÄµç·ÖС£±ÈÈ纸»ú¡¢Äæ±äÆ÷¡¢±äƵÆ÷µÈ¡£

ÄúÐèÒªµÇ¼ºó²Å¿ÉÒÔ»ØÌû µÇ¼| Á¢¼´×¢²á

±¾°æ»ý·Ö¹æÔò

µç¹¤Ñ§Ï°Íø()

GMT+8, 2024-8-16 11:37

Powered by © 2011-2022www.shop-samurai.com°æȨËùÓÐÃâÔðÉùÃ÷²»Á¼ÐÅÏ¢¾Ù±¨

¼¼ÊõÇý¶¯Î´À´!µç¹¤Ñ§Ï°Íø¡ª×¨Òµµç¹¤»ù´¡ÖªÊ¶¡¢µç¹¤¼¼ÊõѧϰÍøÕ¾¡£

À¸Ä¿µ¼º½£º¹¤¿Ø¼ÒÔ°|ÈýÁâplc|Î÷ÃÅ×Óplc|Å·Ä·Áúplc|plcÊÓƵ½Ì³Ì

¿ìËٻظ´ ·µ»Ø¶¥²¿ ·µ»ØÁбí