ÊÀ½çÊ×¼Ò¡ù£¡ROHM¿ªÊ¼Á¿²ú½ÓÄɹµ²Û½á¹¹µÄSiC-MOSFET µ¼Í¨µç×è´ó´ó½µµÍ£¬ÓÐÖúÓÚ¹¤ÒµÉ豸µÈ´ó¹¦ÂÊÉ豸µÄСÐÍ»¯ÓëµÍ¹¦ºÄ»¯
È«ÇòÖªÃû°ëµ¼ÌåÖÆÔìÉÌROHM½üÈÕÓÚÊÀ½çÊ×¼Ò¡ù¿ª·¢³ö½ÓÄɹµ²Û½á¹¹µÄSiC-MOSFET£¬²¢Òѽ¨Á¢ÆðÁËÍ걸µÄÁ¿²úÌåÖÆ¡£ÓëÒѾÔÚÁ¿²úÖеÄƽÃæÐÍSiC-MOSFETÏà±È£¬Í¬Ò»Ð¾Æ¬³ß´çµÄµ¼Í¨µç×è¿É½µµÍ50%£¬Õ⽫´ó·ù½µµÍÌ«ÑôÄÜ·¢µçÓù¦Âʵ÷ÀíÆ÷ºÍ¹¤ÒµÉ豸ÓõçÔ´¡¢¹¤ÒµÓÃÄæ±äÆ÷µÈËùÓÐÏà¹ØÉ豸µÄ¹¦ÂÊËðºÄ¡£
ÁíÍ⣬´Ë´Î¿ª·¢µÄSiC-MOSFET¼Æ»®½«ÍƳö¹¦ÂÊÄ£¿é¼°·ÖÁ¢·â×°²úÆ·£¬Ä¿Ç°Òѽ¨Á¢ÆðÁËÍ걸µÄ¹¦ÂÊÄ£¿é²úÆ·µÄÁ¿²úÌåÖÆ¡£Ç°ÆÚ¹¤ÐòµÄÉú²ú»ùµØΪROHM Apollo Co., Ltd.£¨ÈÕ±¾¸£¸ÔÏØ£©£¬ºóÆÚ¹¤ÐòµÄÉú²ú»ùµØΪROHM×ܲ¿¹¤³§£¨ÈÕ±¾¾©¶¼»á£©¡£½ñºó¼Æ»®»¹½«Öð²½À©³ä²úÆ·ÕóÈÝ¡£
£¼Åä¾°£¾
½üÄêÀ´£¬ÔÚÈ«Çò¹æģѰÇó½â¾ö¹©µçÎÊÌâµÄ´óÅä¾°Ï£¬Éæ¼°µ½ÈçºÎÓÐЧµØÊäËͲ¢ÀûÓÃËù·¢µçÁ¦µÄ"¹¦ÂÊת»»"±¸ÊܹØ×¢¡£SiC¹¦ÂÊÆ÷¼þ×÷Ϊ¿ÉÏÔÖø¼õÉÙÕâÖÖ¹¦ÂÊת»»Ê±µÄËðºÄµÄÒªº¦Æ÷¼þ¶ø±¸ÊÜÖõÄ¿¡£ROHMÒ»Ö±ÔÚ½øÐÐÁìÏÈÐÐÒµµÄÏà¹Ø²úÆ·Ñз¢£¬ÓÚ2010ÄêÀÖ³ÉʵÏÖSiC MOSFETµÄÁ¿²ú£¬²¢ÔÚÁ¬ÐøÍƽø¿É½øÒ»²½½µµÍ¹¦ÂÊËðºÄµÄÔªÆ÷¼þ¿ª·¢¡£
¾©¶¼´óѧ?¹¤Ñ§Ñо¿¿Æ?µç×Ó¹¤Ñ§×¨Òµ??ľ±¾ºã³©½ÌÊÚÌåÏÖ
"Si£¨¹è£©ÖÊÁÏÒѾ½Ó½üÆäÀíÂÛÐÔÄܼ«ÏÞ¡£¶Ô´Ë£¬ROHM¹«Ë¾ÂÊÏÈ·¢Á¦½ÓÄÉ¿ÉʵÏÖ¸ßÄÍѹ¡¢µÍËðºÄ£¨¸ßЧÂÊ£©µÄSiC£¨Ì¼»¯¹è£ºSilicon carbide£©ÖÊÁϵÄSiC¹¦ÂÊÆ÷¼þ£¬Ò»Ö±ÔÚÍƽøÁìÏÈÈ«ÇòµÄ¿ª·¢ÓëÁ¿²ú¡£
´Ë´Î£¬½ÓÄÉ¿É×î´óÏ޶ȷ¢»ÓSiCÌØÐԵŵ²Û½á¹¹µÄSiC-MOSFETÔÚÈ«ÇòÂÊÏÈʵÏÖÁ¿²ú£¬ÆäÀÖ³ÉÒâÒåºÜÊǾ޴ó£¬ÊÇ»®Ê±´úµÄÀï³Ì±®¡£¸ÃSiC-MOSFETÊǼ汸¼«ÆäÓÅÒìµÄµÍËðºÄÌØÐÔÓë¸ßËÙ¿ª¹ØÌØÐÔµÄ×î¸ßÐÔÄܵŦÂʾ§Ìå¹Ü£¬¹¦ÂÊת»»Ê±µÄЧÂʸü¸ß£¬¿É"ºÁÎÞÀË·Ñ"µØÓõ磬ÆäÁ¿²ú½«ÎªÌ«ÑôÄÜ·¢µçÓù¦Âʵ÷ÀíÆ÷ºÍ¹¤ÒµÉ豸ÓõçÔ´µÈËùÓÐÉ豸½øÒ»²½ÊµÏÖ½ÚÄÜ»¯¡¢Ð¡ÐÍ»¯¡¢ÇáÁ¿»¯×ö³öТ¾´¡£"
£¼Ìص㣾
1.?½ÓÄɹµ²Û½á¹¹£¬ÊµÏֵ͵¼Í¨µç×蹦ÂÊÆ÷¼þ
µ½Ä¿Ç°ÎªÖ¹£¬¹µ²Û½á¹¹ÒòÔÚSiC-MOSFETÖнÓÄÉ¿ÉÓÐЧ½µµÍµ¼Í¨µç×è¶ø±¸ÊܹØ×¢£¬µ«ÎªÁËÈ·±£ÔªÆ÷¼þµÄºã¾Ã¿É¿¿ÐÔ£¬ÐèÒªÉè¼ÆÄܹ»»ººÍGate Trench²¿·Ö±¬·¢µÄµç³¡µÄ½á¹¹¡£
´Ë´Î£¬ROHMͨ¹ý½ÓÄɶÀ´´µÄ½á¹¹£¬Àֳɵؽâ¾öÁ˸ÿÎÌ⣬²¢ÊÀ½çÊ×¼ÒʵÏÖÁ˽ÓÄɹµ²Û½á¹¹µÄSiC-MOSFETµÄÁ¿²ú¡£ÓëÒѾÔÚÁ¿²úÖеÄƽÃæÐÍSiC-MOSFETÏà±È£¬µ¼Í¨µç×è¿É½µµÍÔ¼50%£¬Í¬Ê±»¹Ìá¸ßÁË¿ª¹ØÐÔÄÜ£¨ÊäÈëµçÈݽµµÍÔ¼35%£©¡£
2.?"È«SiC"¹¦ÂÊÄ£¿éÍØÕ¹
ROHMÓÖ¿ª·¢³ö½ÓÄɴ˴οª·¢µÄ¹µ²Û½á¹¹SiC-MOSFETµÄ"È«SiC"¹¦ÂÊÄ£¿é¡£
¸Ã²úÆ·ÄÚ²¿µç·Ϊ2in1½á¹¹£¬½ÓÄÉSiC-MOSFET¼°SiC-SBD£¬¶î¶¨µçѹ1200V£¬¶î¶¨µçÁ÷180A¡£
ÓëͬµÈˮƽ¶î¶¨µçÁ÷µÄSi-IGBTÄ£¿é²úÆ·Ïà±È£¬ÆäÏÔÖøÓÅÊÆËäÈ»²»±ØÑÔ˵£¬×ÝÈ»ÓëʹÓÃƽÃæÐÍSiC-MOSFETµÄ"È«SiC"Ä£¿éÏà±È£¬Æ俪¹ØËðºÄÒ²½µµÍÁËÔ¼42%¡£
£¼²úÆ·ÕóÈÝ£¾
?"È«SiC"¹¦ÂÊÄ£¿é
?·ÖÁ¢²úÆ·
ROHM½«ÒÀ´ÎÕ¹¿ª¶î¶¨µçѹ650V¡¢1200V¸÷3¿î²úÆ·µÄ¿ª·¢¡£¶î¶¨µçÁ÷½«¼ÌÐø¿ª·¢118A£¨650V£©¡¢95A£¨1200V£©µÄ²úÆ·¡£
£¼ÊõÓï½â˵£¾
-
MOSFET£¨Metal£Oxide£Semiconductor Field¡¡Effect¡¡TransistorµÄ¼ò³Æ)
½ðÊô£Ñõ»¯Î뵼Ì峡ЧӦ¾§Ìå¹Ü£¬ÊÇFETÖÐ×î±»ÆÕ±éʹÓõĽṹ¡£
×÷Ϊ¿ª¹ØÔª¼þʹÓᣠ-
¹µ²Ûʽ½á¹¹
¹µ²Û£¨Trench£©ÒâΪ°¼²Û¡£ÊÇÔÚоƬÍâòÐγɰ¼²Û£¬ÔÚÆä²à±ÚÐγÉMOSFETÕ¤¼«µÄ½á¹¹¡£²»±£´æƽÃæÐÍMOSFETÔڽṹÉϱ£´æµÄJFETµç×裬±ÈƽÃæ½á¹¹¸üÈÝÒ×ʵÏÖ΢ϸ»¯£¬Òò´ËÓÐÍûʵÏÖ½Ó½üSiCÖÊÁÏÔÌìÐÔÄܵĵ¼Í¨µç×è¡£