½þÅÝʽÏß·°å·À³±¿ª´´Õß

ÁªÂçµç»°£º0754-12587458

ÇëÊäÈëÄÚÈÝËÑË÷ ÕÐÉ̼ƻ® ²£Á§ÐÐÒµ Ó¦ÓÃÁìÓò ²úÆ·ÊÓƵ ²úƷչʾ

Ê×Ò³ / ×ÊѶ / ÐÐÒµ×ÊѶ / 3·ÖÖÓ½ÌÄã¿´¶®PCBµþ²ãÎļþ
·µ»Ø

3·ÖÖÓ½ÌÄã¿´¶®PCBµþ²ãÎļþ

¾ÅÓλáJ9 ä¯ÀÀ´ÎÊý:2298 ·ÖÀà:ÐÐÒµ×ÊѶ

´ó¼Ò¶¼ÖªÏþ£¬Ïß·°åµÄ²ãµþ·ÖÅäÊǶÔPCBµÄÈ«²¿ÏµÍ³¿ª·¢µÄ»ù±¾¡£²ãµþÉè¼Æ·½°¸ÈçÓÐȱÏÝ£¬½«×îºóΣº¦µ½ÕûÌåµÄemcÌØÐÔ¡£ÄÇüN½ÓÏÂÀ´¾ÍºÍÔÛÒ»ÆðÀ´¿´Ò»Ï¾¿¾¹ÔõÑù²Å¿´¶®²ãµþÎĵµ°É~

ÏÂÃæµÄͼÊÇ´ó¼ÒÒ»°ã×´¿öϼûµ½µÄ²ãµþºÃµÄÎĵµÍ¼Àý£º

Ò»¡¢¶Ô£¨Í¼Ò»£©·ÖÎöÈçÏÂËùʾ£º

×îÏÈ£¬¾ÅÓλáJ9ÕæÈË¿ÉÒÔ¿´µÃ³ö²ãµþÊÇ8¶à²ã°å£¬ÓÐ5¸ö²¼Ï߲㣨TOP¡¢ART03¡¢ART04¡¢ART06¡¢BOTTOM£©£¬ÓÐ2¸öµØÖʹ¹Ô죨GND02¡¢GND05£©£¬ÓÐ1¸öµçÔ´²ã£¨PWR07£©¡£

´ÎÖ®¾ÅÓλáJ9ÕæÈË¿ÉÒԵõ½È«²¿Ä¾°åµÄ²ÉÓõÄPPƬ״¿ö£¬GND02-ART03Ò»ÕÅϸľ¹¤°å(core)£¬ART4-GND05(core) Ò»ÕÅϸľ¹¤°å£¬ART06-PWR07(core) Ò»ÕÅϸľ¹¤°å, ÆäËûµÄÓÃPP¼ÓÍ­²´,×îÖÕѹºÏÔÚÒ»Æð¶ø³ÉµÄ¡£TOP¡¢GND02²ãÕýÖмäµÄPPƬÊÇ2116°ë¸É¹ÌƬ£¬ART03¡¢ART04²ãÕýÖмäµÄPPƬÊÇÓÉ2¸ö3313°ë¸É¹ÌƬºÍ1¸ö7628°ë¸É¹ÌƬѹºÏ¶ø³É£¬GND05¡¢ART06²ãÕýÖмäµÄPPƬÊÇÓÉ2¸ö3313°ë¸É¹ÌƬºÍ1¸ö7628°ë¸É¹ÌƬѹºÏ¶ø³É£¬PWR07¡¢BOTTOM²ãÕýÖмäµÄPPƬÊÇ2116°ë¸É¹ÌƬ¡£

×îÖÕ£¬¿É»ñ֪ȫ²¿°åºñΪ1.6mm£¨Éú²úÖÆÔìʱÈÝÐíÓÐ10%³ß´ç¹«²î£©¡£°åºñ²âËãÈçÏÂËùʾʾ£º

´ÎÍâ²ã2116±¡ºñ£º

ÆÀ²â±¡ºñ=»ù´¡ÀíÂÛ±¡ºñ¡ªÍ­ºñ*£¨1¡ª²ÐÍ­ÂÊ£©

=0.1174*39.3701mil¡ª1.25*£¨1¡ª65%£©

=4.1845mil

Àï²ã3313*2 7628 ±¡ºñ£º

ÆÀ²â±¡ºñ=»ù´¡ÀíÂÛ±¡ºñ¡ªÍ­ºñ1*£¨1¡ª²ÐÍ­ÂÊ1£©¡ªÍ­ºñ2*£¨1¡ª²ÐÍ­ÂÊ2£©

=(0.0987*2 0.1933)*39.3701mil¡ª1.25*(1¡ª65%)¡ª1.25*(1¡ª15%)

=13.8819mil

»ù´¡ÀíÂÛ°åºñ£º

°åºñ=ÄÚ±í²ãÍ­ºñ PPƬ±¡ºñ ϸľ¹¤°å±¡ºñ

=0.7087*2 1.25*6 4.1845*2 13.8819*2 5.1*3

=60.3502mil

=1.5329mm

¶þ¡¢¾ÅÓλáJ9ÕæÈËÈ»ºó²ãµþºÃµÄ²ÄÁÏͼ¶þ

´Ó£¨Í¼¶þ£©ÉÏ£¬¿ÉÒÔÁ˽âÿ¸ö²¼Ï߲㵥¶Ë50RÌØÐÔ×迹µÄ²¼Ïß×Ü¿íºÍ²ÎÕղ㡣ÔÚÆäÖÐTOP¡¢BOTTOM²ã²¼Ïß×Ü¿íΪ6mil£¬TOP²ã²ÎÕÕGND02²ã£¬BOTTOM²ÎÕÕPWR07²ã£»ART03¡¢ART04²ã²¼Ïß×Ü¿íΪ5.7mil£¬ART03²ã²ÎÕÕGND02²ã£¬ART04²ÎÕÕGND05²ã£»ART06²ã²¼Ïß×Ü¿íΪ5.4mil£¬ ART06²ÎÕÕGND05¡¢PWR07²ã¡£Êµ¼Ê²ÎÊý¾ÅÓλáJ9ÕæÈË¿ÉÒÔ´ÓPolar SIAPPÖÐÍÆËã³öÀ´¡£

(1) ±íÃæµ¥¶Ë£¨TOP¡¢BOTTOM£©£ºÏß¾à6mil£» =51.51*0.9 3.2=49.56

(2)Àï²ãµ¥¶Ë(ART03¡¢ART04)£ºÏß¾à5.7mil£» =50.13

(3)Àï²ãµ¥¶Ë£¨ART06£©£ºÏß¾à5.4mil£» =50.08

Èç½ñ£¬È»ºó²ãµþºÃµÄ²ÄÁÏͼÈýÈý¡¢´Ó£¨Í¼Èý£©¾ÅÓλáJ9ÕæÈË¿ÉÒÔÁ˽âÿ¸ö²¼Ïß²ã²î·ÖÐźÅ100RÌØÐÔ×迹µÄ²¼Ïß×Ü¿í¡¢µçÏß¼ä¿Õ϶ºÍ²ÎÕղ㡣ÔÚÆäÖÐTOP¡¢BOTTOM²ã²¼Ïß×Ü¿íΪ4.5mil£¬ÏßÓëÏß¿Õ϶8mil£¬TOP²ã²ÎÕÕGND02²ã£¬BOTTOM²ÎÕÕPWR07²ã£»ART03¡¢ART04²ã²¼Ïß×Ü¿íΪ4.1mil£¬ÏßÓëÏß¿Õ϶8.2mil£¬ART03²ã²ÎÕÕGND02²ã£¬ART04²ÎÕÕGND05²ã£»ART06²ã²¼Ïß×Ü¿íΪ4.1mil£¬ÏßÓëÏß¿Õ϶8.2mil£¬ ART06²ÎÕÕGND05¡¢PWR07²ã¡£Êµ¼Ê²ÎÊý¾ÅÓλáJ9ÕæÈË¿ÉÒÔ´ÓPolar SIAPPÖÐÍÆËã³öÀ´¡££¨1£© ±íÃæ²î·ÖÐźţ¨TOP¡¢BOTTOM£©£ºÏß¾à/Ïß¾à 4.5/8mil; =107.26*0.9 3.2=99.734

£¨2£©Àï²ã²î·ÖÐźţ¨ART3/ART4²ã£©£º Ïß¾à/Ïß¾à 4.1/8.2mil; =99.27

£¨3£© Àï²ã²î·ÖÐźÅ(ART6²ã)£º Ïß¾à/Ïß¾à 4.1/8.2mil; =98.58

 

¸ÃÎÄÕÂÄÚÈÝÌá¸ßÉ¢²¥Ð¼¼ÊõÓ¦ÓÃÐÂÎÅ×ÊѶ£¬ºÜÓпÉÄÜÓÐת½Ø/ÒýÈëÖ®×´¿ö£¬ÈôÓÐÇÖȨÐÐΪÇëÁªÂçɾµô¡£

¡¾ÍøÕ¾µØͼ¡¿¡¾sitemap¡¿