¿ÉÕÛµþµÄµç×Ó±£ÏÕË¿ÈçºÎ°ïÖúÂú×ã·þÎñÆ÷³ÖÐøÔö³¤µÄÓõçÐèÇó
- ·¢²¼Ê±¼ä£º2022-11-01 10:10:17
- ä¯ÀÀÁ¿£º1080
Ëæ×ÅÊý¾ÝÐèÇóµÄÔö¼Ó£¬·þÎñÆ÷ºÍÊý¾ÝÖÐÐĵÄÐèÇóÒ²ÔÚÔö¼Ó£¬Òò´ËÓõçÐèÇóÒ²ËæÖ®Ôö¼Ó¡£ÐÐÒµÇ÷ÊÆ±íÃ÷£¬2020 Äêÿ¸ö»ú¼ÜµÄ¹¦ÂÊΪ 4kW£¬µ½ 2025 Ä꽫¸ß´ï 20kW¡£
¼øÓÚ¹©Êý¾ÝÖÐÐĺͷþÎñÆ÷ʹÓõÄÎïÀí¿Õ¼äÓÐÏÞ£¬·þÎñÆ÷µçÔ´¼Ü¹¹²úÉúÁ˸߹¦ÂÊÃܶÈÒªÇ󣬼´ÔÚ¸üСµÄÇøÓòÄÚÌṩ¸ü¶àµÄ¹¦ÂÊ¡£Ìá¸ß·þÎñÆ÷µçÔ´µÄЧÂÊ»¹¿ÉÒÔ½µµÍÀäÈ´³É±¾¡£
¿·¢¡¤K8¹ú¼Ê-(Öйú)Ê×Ò³µÇ¼ÖÜΧµÄÒ»Çж¼¼±Ðè»ñµÃÊý¾Ý²¢ÓÉÊý¾ÝÇý¶¯£¬ËùÓÐÕâЩÊý¾Ý¶¼ÓÉÊý¾ÝÖÐÐĵķþÎñÆ÷´æ´¢ºÍ´¦Àí£¬Èçͼ 1 Ëùʾ¡£
ͼ 1£ºÊý¾ÝÁ¬½ÓµÄÉú̬ϵͳ
·þÎñÆ÷ͨ³£¾ßÓпÉÀ©Õ¹ÐÔºÍÈȲå°Î¹¦ÄÜ£¬ÒÔÂú×㲻ͬµÄ´¦ÀíÒªÇó²¢±£³Ö¸ßϵͳ¿ÉÓÃÐÔ¡£ÎªÁËʵÏÖÎÞ·ìÈȲå°Î¹¦ÄÜ£¬·þÎñÆ÷Ö÷°åºÍÅäµç°å²ÉÓÃÈȲå°Î¿ØÖÆÆ÷»òµç×Ó±£ÏÕË¿¡£·þÎñÆ÷µçÔ´Öеĵç×Ó±£ÏÕË¿µÈÔª¼þÐèÒªÌṩ¸ü¸ßµçÁ÷£¬ÒÔÂú×ã³ÖÐøÔö³¤µÄ·þÎñÆ÷ÓõçÒªÇó¡£ÈȲå°ÎºÍµç×Ó±£ÏÕË¿µÈ±£»¤Æ÷¼þÒ²ÐèÒª´¦Àí¸ß·åÖµµçÁ÷£¬ÒÔ±ãÓë·þÎñÆ÷ÖÐÏÖ´ú΢´¦ÀíÆ÷µÄ¸ü¸ß·åÖµ´¦ÀíÄÜÁ¦Æ¥Å䡣ͼ 2 ÏÔʾÁ˵äÐ͵ķþÎñÆ÷µçÔ´¼Ü¹¹¡£
ͼ 2£ºµäÐ͵ķþÎñÆ÷µçÔ´¼Ü¹¹
ÒÔÍù£¬´ó¹¦ÂÊ·þÎñÆ÷Éè¼Æ°üÀ¨´øÓжà¸ö½ðÊôÑõ»¯Îï°ëµ¼Ì峡ЧӦ¾§Ìå¹Ü (MOSFET) µÄÈȲå°Î¿ØÖÆÆ÷¡£µ«ÊÇ£¬·þÎñÆ÷µçÔ´ºÍ¹¦ÂÊÃܶÈÒªÇó³ÊÖ¸Êý¼¶Ôö³¤¡£ÎªÁËÂú×ãÕâЩÐèÇó²¢¼ò»¯ÕâЩÉè¼Æ£¬¿É¿¼ÂÇÔÚ·þÎñÆ÷µçÔ´¼Ü¹¹ÖÐʹÓà TPS25985£¨80A ·åÖµ£©ºÍ TPS25990£¨60A ·åÖµ£¬¾ßÓÐ PMBus ½Ó¿Ú£©µç×Ó±£ÏÕË¿¡£TPS25985 ºÍ TPS25990 ¿É·Ö±ðÖ§³Ö 60ADC ºÍ 50ADC£¬²¢·Ö±ð¾ßÓиߴï 60A ºÍ 50A µÄ¿Éµ÷µçÁ÷ÏÞÖµ¡£¿ÉÒԶѵþÎÞÊý¸ö TPS25985 ºÍ TPS25990 µç×Ó±£ÏÕË¿ÒÔʵÏÖ¸ü¸ßµÄµçÁ÷¡£
ʵÏָ߹¦ÂÊÃܶÈ
¹¦ÂÊÃܶÈÊÇÏÖ´ú·þÎñÆ÷µçÔ´×°Öà (PSU) µÄÒ»Ïî±Ø±¸ÒªÇó¡£ÐÂÒ»´ú·þÎñÆ÷ PSU µÄ¶î¶¨¹¦ÂÊ·¶Î§Îª 3kW£¨12V ʱΪ 250A£©¡£Ñ¡Ôñµç×Ó±£ÏÕ˿ʱ£¬±ØÐëÄܹ»ÒÔ¸üСµÄ³ß´çÌṩ¸ü¸ßµÄµçÁ÷£¬ÕâÒ»µã·Ç³£ÖØÒª¡£TPS25985 ²ÉÓà 4.5mm×5mm ·â×°£¬¿ÉÌṩ 80A ·åÖµµçÁ÷¡£Í¼ 3 ÏÔʾÁË TI µÄһЩµç×Ó±£ÏÕË¿¡£
ͼ 3£ºTI µç×Ó±£ÏÕË¿µÄ¹¦ÂÊÃܶȷ¢Õ¹
ͨ¹ý¼¯³É MOSFET¡¢µçÁ÷¼àÊÓÆ÷¡¢±È½ÏÆ÷¡¢ÓÐÔ´µçÁ÷¹²ÏíºÍζȼàÊÓÆ÷£¬TPS25985 ºÍ TPS25990 µç×Ó±£ÏÕË¿ÏÔÖø¼õСÁËÓ¡Ë¢µç·°å»òÓ¡Ë¢Ïß·°åµÄ×ÜÃæ»ý¡£Á¬½Ó¶à¸ö TPS25985 ºÍ TPS25990 µç×Ó±£ÏÕ˿ʱ£¬µç·°åÏÔÖø¼õС£¬¹¦ÂÊÃܶÈÌá¸ßÁËÊý±¶¡£Í¼ 4 ÏÔʾÁË TPS25985 ºÍ TPS25990 ÓëÊг¡ÉÏÆäËûµç×Ó±£ÏÕË¿Ïà±ÈµÄµçÁ÷Ãܶȡ£
ͼ 4£ºµçÁ÷ºÍ¹¦ÂÊÃܶȱȽÏ
µçÁ÷¹²ÏíºÍµçÁ÷¼à²âÆ÷¾«¶È
ÈȲå°Î¿ØÖÆÆ÷ÎÞ·¨·Ç³£¾«È·µØ¿ØÖƶà¸ö²¢Áª MOSFET µÄÕ¤¼«£»Òò´Ë£¬²¢Áª MOSFET µÄµçÁ÷¹²Ïí²¢²»×¼È·¡£¾«ÃÜ·Å´óÆ÷ÓÐÖúÓÚʵÏָߵçÁ÷¹²Ïí¾«¶ÈºÍµçÁ÷¼à²âÆ÷¾«¶È£¬µ«Ìí¼ÓËüÃÇ»áÔö¼ÓÕû¸ö½â¾ö·½°¸µÄ³ß´ç¡£²âÁ¿ MOSFET µÄÄÚºËζȾßÓÐÌôÕ½ÐÔ£¬Òò´ËÎÞ·¨±£ÕÏÆäÔÚ˲̬ºÍÎÈ̬Ìõ¼þϵÄÈȱ£»¤ÐÔÄÜ¡£Í¼ 5 Í»³öÏÔʾÁË TPS25985 µÄ¹Ø¼üÒý½ÅºÍ¹¦ÄÜ¡£
ͼ 5£ºTPS25985 Òý½ÅÅÅÁУ¬Í»³öÏÔʾÁËÖ÷ÒªµÄ²îÒì»¯ÌØÐÔ
TPS25985 ºÍ TPS25990 µç×Ó±£ÏÕË¿¼¯³ÉÁËÓÐÔ´µçÁ÷¹²ÏíºÍÖ±½Ó»ñÈ¡ MOSFET Äں˲ÎÊý£¨µçѹ¡¢µçÁ÷¡¢Î¶ȣ©µÄ¹¦ÄÜ£¬¿ÉÒÔ¾«È·¿ØÖÆËùÓв¢ÁªÁ¬½ÓµÄµç×Ó±£ÏÕ˿դ¼«£¬²¢¾«È·¼à²â¼¯³É FET µÄÄÚºËζȡ£Óë²»¾ß±¸ÓÐÔ´µçÁ÷¹²ÏíµÄµç×Ó±£ÏÕË¿Ïà±È£¬TPS25985 ºÍ TPS25990 ʹÉè¼Æ¹¤³ÌʦÄܹ»ÓÅ»¯µç×Ó±£ÏÕË¿µÄÊýÁ¿ºÍϵͳµÄÐÔÄÜ¡£
¼¯³ÉµÄµçÁ÷¼à²âÆ÷¿ÉʹÓà PSYS/PROCHOT ¸ü´óÏ޶ȵØÌá¸ß·þÎñÆ÷ƽ̨µÄ¼ÆËãÍÌÍÂÁ¿ºÍµçÔ´ÀûÓÃÂÊ£¬´Ó¶ø¸Ä½ø¸Ãƽ̨µÄµçÔ´¹ÜÀí¡£ÕâÐ©ÌØÐÔ»¹ÓÐÖúÓÚÓÅ»¯Ç°¶Ë½»Á÷/Ö±Á÷µçÔ´£¬´Ó¶øÓÅ»¯ÏµÍ³³É±¾¡£´ËÍ⣬¿Éµ÷½ÚµÄ˲̬µçÁ÷ÏûÒþ¼ÆÊ±Æ÷¿Éͨ¹ý±ÜÃâ¸ÉÈÅÐÔÌø±äÀ´Ìá¸ßϵͳ¿É¿¿ÐÔºÍ×ÜÌå¿ÉÓÃÐÔ¡£
Ô¶³Ì¼à¿Ø
TPS25990 ΪϵͳÔö¼ÓÁË PMBus ½Ó¿Ú¹¦ÄÜ¡£TPS25990 Ö§³Ö¾ßÓпɵ÷½ÓͨÑӳٵĵ¥ÃüÁîϵçÉϵ磬´Ó¶øÔÊÐíϵͳÉè¼Æ¹¤³ÌʦԶ³Ì¶Ôϵͳ½øÐж¨ÐòºÍ¸´Î»¡£TPS25990 »¹ÌṩºÚºÐ¹¦ÄÜ£¬ÒÔÏà¶Ôʱ¼ä´Á¼Ç¼ÆäÖÐÆß¸öʼþ¡£TPS25990 °üº¬¸ßËÙÄ£Êýת»»Æ÷£¬Ê¹Óû§Äܹ»»æÖÆÆäÑ¡ÔñµÄÒ»¸öÐźţ¬³äµ±Êý×Öʾ²¨Æ÷µÄ×÷Óá£TPS25990 µÄ GUI ¼°ÆäËûÌØÐÔ²»½ö¿ÉÒÔ°ïÖúÉè¼Æ¹¤³ÌʦËõ¶Ì×Ü¿ª·¢Ê±¼ä£¬»¹¿ÉÒÔ¿ìËÙʶ±ðºÍ½â¾öͨ³£ºÜÄÑÖØÏÖºÍÅŲéµÄÏÖ³¡ÎÊÌâ¡£
É¢ÈÈ×¢ÒâÊÂÏî
·þÎñÆ÷µçԴϵͳÔÚ¿í»·¾³Î¶ȷ¶Î§£¨–40ºC ÖÁ 85ºC£©ÄÚÔËÐС£ÈȲå°Î¿ØÖÆÆ÷»òµç×Ó±£ÏÕË¿»áÓöµ½¸ü¸ßµÄ»·¾³Î¶ȡ£Òò´Ë£¬µ±Ð¡ÐÍ·â×°²úÉú´óµçÁ÷ʱ£¬µçÔ´Éè¼Æ¹¤³ÌʦÐèÒª¹Ø×¢ÕâЩÆ÷¼þµÄÈÈÐÔÄÜ¡£TPS25985 ºÍ TPS25990 µç×Ó±£ÏÕË¿Äܹ»ÔÚ 125ºC µÄ½áÎÂϹ¤×÷£¬´Ó¶ø»º½âÁËÕâÖÖµ£ÓÇ¡£TPS25985 ºÍ TPS25990 ·Ö±ðÌṩ 0.59mΩ ºÍ 0.79mΩ µÄ RDS(on)£»RDS(on) ÔÚ¹¤ÒÕ¡¢µçѹºÍζȷ¶Î§Äڵı仯²»´ó¡£Òò´Ë£¬ÕâЩµç×Ó±£ÏÕË¿µÄ×Ô·¢Èȷdz£µÍ£¬¹¤×÷ζȷ¶Î§ºÜ¹ã£¬¶ø²»»áÎþÉü½µ¶î¡£Í¼ 6 ÏÔʾÁË TPS25985 µÄÍâ¿Çζȡ£
ͼ 6£ºVIN = 12V¡¢IOUT = 50A¡¢Tamb = 25°C ʱµÄ TPS25985 Íâ¿ÇζÈ
ÃâÔðÉùÃ÷£º²¿·ÖÎÄÕÂÐÅÏ¢À´Ô´ÓÚÍøÂçÒÔ¼°ÍøÓÑͶ¸å£¬±¾ÍøÕ¾Ö»¸ºÔð¶ÔÎÄÕ½øÐÐÕûÀí¡¢ÅŰ桢±à¼£¬ÒâΪ·ÖÏí½»Á÷´«µÝÐÅÏ¢£¬²¢²»Òâζ×ÅÔÞͬÆä¹Ûµã»ò֤ʵÆäÄÚÈݵÄÕæÊµÐÔ£¬Èç±¾Õ¾ÎÄÕºÍת¸åÉæ¼°°æÈ¨µÈÎÊÌ⣬Çë×÷ÕßÔÚ¼°Ê±ÁªÏµ±¾Õ¾£¬¿·¢¡¤K8¹ú¼Ê-(Öйú)Ê×Ò³µÇ¼»á¾¡¿ìºÍÄú¶Ô½Ó´¦Àí¡£
