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Ö÷Òª»áÐÂÔöÏÂÁм¸ÖÖϵͳ (ÈçFig. 1Ëùʾ)£¬ÕâЩϵͳÍòÒ»Êܵ½ ESD/EOSµÄÄÜÁ¿³å»÷£¬½«µ¼ÖÂÉ豸µÄ²»Îȶ¨»òÊǹÊÕÏÒþ»¼¡£ÓмøÓÚ´Ë£¬¾§ìͿƼ¼ÓÐÕë¶Ôµç¶¯³µÏà¹ØµÄͨÐŽéÃæÉè¼ÆºÍÍÆ³öESD/EOS·À»¤µÄTVSÔª¼þ£¬¿É²Î¿¼ÒÔÏÂÕûÀí¡£
1. Traction Inverter (Ç£ÒýÂí´ïÄæ±äÆ÷)
Ç£ÒýÂí´ïÄæ±äÆ÷ÊÇÇý¶¯µç¶¯³µÒƶ¯Âí´ïµÄDC to AC³µÔصçԴϵͳ¡£Ç£ÒýÂí´ïÄæ±äÆ÷ͨÐŽӿڵÄTVS±£»¤Ôª¼þÈçÏÂËùʾ:
¡ñ CAN BUS: AZ9424-02S
¡ñ Ethernet: AZ9515-02F, AZ9565-01F, AZ9400-02S, AZ9400-01F, AZ5515-02F, AZ5325-01F
2. OBC (On-Board Charger ³µÔسäµçÆ÷)
³µÔسäµçÆ÷µÄ¹¦ÄÜÊÇÌṩµç¶¯³µ³äµçµÄAC to DC³µÔصçÔ´É豸£¬Í¨³£Ðë´îÅä½»Á÷³äµç×®×÷ΪÊä³öÀ´½øÐгäµç¡£³µÔسäµçÆ÷ͨÐŽӿڵÄTVS±£»¤Ôª¼þÈçÏÂËùʾ:
¡ñ CAN BUS: AZ9424-02S
3. AC Charging Station (½»Á÷³äµç×®)
½»Á÷³äµç×®ÊÇÒ»ÖÖÉè¼ÆÊÊÓÃÓÚסլ»·¾³»ò¹«¹²»·¾³Ê¹Óõijäµç×®£¬Ïà½ÏÓÚÖ±Á÷³äµç×®£¬½»Á÷³äµç×®µÄÊä³ö¹¦ÂÊͨ³£½ÏС£¬ µç¶¯³µ³äµçËٶȽÏÂý¡£½»Á÷³äµç׮ͨÐŽӿڵÄTVS±£»¤Ôª¼þÈçÏÂËùʾ:
¡ñ Ethernet: AZ9515-02F, AZ9565-01F, AZ9400-02S, AZ9400-01F, AZ5515-02F, AZ5325-01F
¡ñ I2C: AZ9515-02F, AZ5525-01F, AZ5015-01F
¡ñ Wi-Fi: AZ9565-01F, AZ9568-01F, AZ5325-01F, AZ5323-01F
4. DC Charging Station (Ö±Á÷³äµç×®)
Ö±Á÷³äµç×®ÊÇÒ»ÖÖÉè¼ÆÆ«Ïò¸ø¹«¹²»·¾³Ê¹Óõijäµç×®£¬Ïà½ÏÓÚ½»Á÷³äµç×®£¬Ö±Á÷³äµç×®µÄÊä³ö¹¦ÂÊͨ³£½Ï´ó£¬µç¶¯³µ³äµçËٶȽϿ졣ֱÁ÷³äµç׮ͨÐŽӿڵÄTVS±£»¤Ôª¼þÈçÏÂËùʾ:
¡ñ CAN BUS: AZ9424-02S
¡ñ Ethernet: AZ9515-02F, AZ9565-01F, AZ9400-02S, AZ9400-01F, AZ5515-02F, AZ5325-01F
¡ñ I2C: AZ9515-02F, AZ5525-01F, AZ5015-01F
¡ñ RS-485: AZ9812-01F, AZ4212-01G, AZ4212-01F
¡ñ Wi-Fi: AZ9565-01F, AZ9568-01F, AZ5325-01F, AZ5323-01F
ÒÔCAN BUSΪÀý£¬CAN BUSΪĿǰÆû³µÖ÷ÒªµÄͨÐŽӿÚ×ÜÏߣ¬Æû³µµÄECU (Electronic Control Unit) ½Úµã»á͸¹ýCAN BUSµÄCANHºÍCANLÁ½ÌõÐźÅÏßÓë×ÜÏ߯äËûECU½ÚµãͨÐÅÒÔ½»»»¸÷½ÚµãµÄÐÅÏ¢»òÊǶÁÈ¡½ÚµãÖÐSensorµÄÊý¾Ý¡£¸ù¾ÝISO 11898-2µÄ±ê×¼£¬Classical CAN ×î¸ß´«ÊäËٶȿɴï1Mbps£¬¶ÔÓÚClassical CAN£¬¾§ìͿƼ¼µÄTVS AZ9424-02S¿ÉÂú×ã1MbpsµÄͨÐÅËÙ¶ÈÒÔÍâÒ²·ûºÏSAE J2962™-2Ö®ÖжÔÓÚTVSÔª¼þÐÔÄܵÄOptional BµÈ¼¶ÐèÇó (SAE J2962™-2 ÖÐµÄ Parameters for TVS component performance, AZ9424-02S½Ô·ûºÏÆäOptional BÒªÇóµÄCMAX, VRM, VBR, Directionality, TLP VCL & ESDMAX¹æ¸ñ¹æ·¶)¡£ÔÚESDÄÍÊܶÈÉϿɳ¬¹ýIEC 61000-4-2±ê×¼µÄ±30kV (Air/Contact) ˮƽ£¬´ËÍâÆäÒ²ÓµÓм«µÍµÄÇ¯ÖÆµçѹ (Clamping Voltage) ¿ÉʹESDµÄÄÜÁ¿±»Ç¯ÖÆÔڵ͵çѹ£¬ÒÔ·ÀÖ¹CAN Transceiver ICÊܵ½ESD¸ÉÈŶø²»Îȶ¨»òÊÇË𻵡£Êµ²âÔÚIEC 61000-4-2±ê×¼8kV (¶ÔÓ¦TLPµçÁ÷16A) µÄESD³å»÷Ï£¬¿ÉÒÔ½«ESDµçÑ¹Ç¯ÖÆÔÚÔ¼31VµÄµÍµçѹˮƽ£¬ÒÔ±£»¤CAN Transceiver IC¡£ÔÙÕߣ¬¾§ìͿƼ¼µÄAZ9424-02SÊÇÒÔÒ»¿ÅÁϼþ¿Éͬʱ·À»¤CANHÒÔ¼°CANL×ÜÏßµÄ˫ͨµÀ¼¯³É·½°¸ (ÈçFig. 2Ëùʾ)£¬Ïà½ÏÓÚCANHÒÔ¼°CANL·Ö±ðÉè¼Æµ¥Í¨µÀ·À»¤Ôª¼þµÄ·½°¸£¬Ö»Ê¹ÓÃÒ»¿Å˫ͨµÀ¼¯³É·½°¸¿ÉÄܼõÉÙPCB°Ú·Å¿Õ¼ä¼°SMT´ò¼þ³É±¾¡£
¾§ìͿƼ¼µÄTVSÄÜÌṩÓÅÐãµÄESD/EOS·À»¤ÐÔÄÜ£¬²¢ÇÒ³µ¹æÆ·¿ÉÂú×ãAEC-Q101µÄ¿É¿¿¶È²âÊԹ淶£¬ÈôÓÐESD/EOS·À»¤Ïà¹ØÐèÇ󣬻¶ÓǢѯ¡£
Application | P/N | Reverse Stand-Off Voltage |
Package | Capacitance (TYP.) |
ESD Clamping at 16A (TYP.) |
IPP (8/20μs) |
AEC-Q101 |
CAN BUS | AZ9424-02S | 24V | SOT23-3L | 38pF | 31V | 6A | Qualified |
Reference:
[1] https://zh.wikipedia.org/zh-tw/·ÏֹȼÓͳµ
[2] https://tw.news.yahoo.com/news/ÃÀ‡ø¼ÓÖÝé_µÚ-˜Œ-2035ÄêÈ«Ãæ½ûÊÛȼÓÍ܇-102738744.html