‹
  Öйú°ëµ¼ÌåÕÕÃ÷ÍøÊ×Ò³ > ²úÑÐ×Éѯ > OLDÐÂÆ·ÉÏÊÐ > ÕýÎÄ
ÑÐŵÂß¼­ÍƳöÐÂRGB LED¿ØÖÆÆ÷
  Ê±¼ä:2006-3-20  21:59:40    À´Ô´:    ×÷Õß:  ä¯ÀÀ
¡¾×ÖÌ壺´ó ÖРС ¼ò ·±¡¿¡¾Êղء¿¡¾¹Ø±Õ¡¿

    Òƶ¯Ïû·Ñµç×ÓÉ豸ÌṩµçÔ´¹ÜÀí°ëµ¼ÌåµÄ¿ª·¢ÉÌÑÐŵÂß¼­¿Æ¼¼ÓÐÏÞ¹«Ë¾½ñÈÕÐû²¼ÍƳöÁ½¿î¸ß¶ÈÕûºÏµÄ AAT4295 ºÍ AAT4297 RGB£¨ºìÂÌÀ¶£©¿ØÖÆÆ÷¡£Á½¿î¿ØÖÆÆ÷ÒÔ±ãЯʽϵͳΪĿ±ê£¬È¥³ýÁ˶à¸ö·ÖÁ¢Æ÷¼þ²¢Í¬Ê±½ÚÊ¡Á˱¦¹óµÄ GPIO£¨Í¨ÓÃÊäÈëÊä³ö½Ó¿Ú£©×ÊÔ´£¬´Ó¶ø¼«´óµØ¼ò»¯ÁËʱÉз¢¹â¹¦ÄÜÓ¦ÓõÄÉè¼ÆºÍÅäÏß¡£

    ΪÁËÔÚÒ»¸öRGB LED£¨ºìÂÌÀ¶ÈýÉ«·¢¹â¶þ¼«¹Ü£©ÖÐÉú³ÉÈýÖÖÑÕÉ«£¬Éè¼ÆÕßÃÇÒ»°ãÐèÒª½«¶þ¼«¹ÜÅÅÐò²¢¿ØÖÆͨÏò·â×°ÄÚ¸÷¸ö¶ÀÁ¢ºì¡¢À¶¡¢Â̶þ¼«¹ÜµÄµçÁ÷¡£ÑÐŵÂß¼­Éú²úÏßÖ÷¹Ü Phil Dewsbury ½âÊÍ˵£º¡°Éè¼ÆÕßÃÇÒ»°ãÐèҪʹÓÃÈý¸öµ¥Á¢µÄ MOSFET£¨½ðÊô-Ñõ»¯Îï°ëµ¼Ì峡ЧӦ¾§Ìå¹Ü£©¡¢ËùÓÐÏà¹ØµÄ½çÃæµç·ÒÔ¼°ÏµÍ³´¦ÀíÆ÷ÉϵÄÈý¸ö GPIO Õë½ÅÀ´Çý¶¯ RGB LED¡£½èÖúÓÚ AAT4295 ºÍ AAT4297£¬Éè¼ÆÕßÃÇÏÖÔÚÄܹ»ÔÚÖ§³ÖÁ½¸ö RGB LED µÄͬʱÎÞÐèµ¥Á¢µÄ MOSFET£¬²¢ÄܽÚÊ¡Ï GPIO Ïß·¹©ÆäËûϵͳ¹¦ÄÜʹÓᣡ±

    3ÐŵÀµÄ AAT4295 Ö§³ÖʹÓÃÒ»¸öµ¥Ò»µÄ RGB LED£¬¶ø6ÐŵÀµÄ AAT4297 ÔòÖ§³ÖÓµÓÐÁ½¸ö RGB LED µÄϵͳÉè¼Æ¡£Æ¾½èÑÐŵÂß¼­µÄ Simple Serial Control(TM) (S2Cwire(TM)) ´®ÐÐÊý×Ö½çÃ棬ÓÃÒ»¸ö GPIO Ïß·ͨ¹ý EN/SET Òý½Å¾ÍÄÜʵÏÖ¶Ôÿ¸öÊä³öÐŵÀ״̬µÄ¿ØÖÆ¡£µ±Í¨ÓÃÐÍÓ¦ÓòúÆ·ÖиººÉÒªÇóÓÐÒ»¸ö½ÓµØµÄµÍ±ß¿ª¹Øʱ£¬Ôò AAT4295 ºÍ AAT4297 ¾ù¿ÉÊÊÓá£

    AAT4295 ºÍ AAT4297 µÄ¹¤×÷ÊäÈëµçѹ·¶Î§Îª 1.8V ÖÁ 5.5V¡£ËüÃÇËùÏûºÄµÄ¾²Ì¬µçÁ÷¾ù²»×ã 3uA¡£

    AAT4295 ºÍ AAT4297 ÏÖÒÑÓÐÊÛ£¬Æä¶î¶¨Î¶ȷ¶Î§Îª-40ÉãÊ϶ÈÒÔÉÏÖÁ+85ÉãÊ϶ȡ£AAT4295 ²ÉÓÃСÐÍ (2.0x2.1mm) ÎÞǦ8Òý½Å SC70JW ·â×°£¬ÅúÁ¿¶©¹º°´1,000¸ö¼ÆµÄµ¥¼ÛΪ0.71ÃÀÔª¡£AAT4297 ²ÉÓÃÎÞǦ12Òý½Å TSOPJW ·â×°£¬ÅúÁ¿¶©¹º°´1,000¸ö¼ÆµÄµ¥¼ÛΪ0.90ÃÀÔª¡£

    ¹ØÓÚÑÐŵÂß¼­

    ÑÐŵÂß¼­¿Æ¼¼ÓÐÏÞ¹«Ë¾ÊÇÒ»¼ÒΪÒƶ¯Ïû·Ñµç×ÓÉ豸ÌṩµçÔ´¹ÜÀí°ëµ¼ÌåµÄ¹©Ó¦ÉÌ£¬ÕâЩÉ豸°üÀ¨ÎÞÏß½ÓÊÕËæÉíÉ豸¡¢±Ê¼Ç±¾µçÄÔºÍƽ°åʽµçÄÔ¡¢ÖÇÄܵ绰¡¢Êý×ÖÕÕÏà»úºÍÊý×ÖÒôÏì¡£¸Ã¹«Ë¾µÄÉè¼ÆºÍÏúÊÛ¹¤×÷¼¯ÖÐÓÚÂú×ãÕâЩ¿ìËÙ·¢Õ¹µÄÏû·Ñ¡¢Í¨Ñ¶ºÍ¼ÆËãÓ¦ÓÃÉ豸µÄרÓõçÔ´¹ÜÀíÐèÇóÖ®ÉÏ¡£ÑÐŵÂß¼­×ܲ¿Î»ÓÚÃÀ¹ú¼ÓÖÝÉ£Äáά¶û£¬²¢ÔÚ±±¾©¡¢Ïã¸Û¡¢ÈÕ±¾¡¢ÉϺ£¡¢ÉîÛÚ¡¢º«¹ú¡¢ÈðµäºĮ́ÍåÓµÓдú±í´¦£¬»¹ÓµÓÐÒ»¸öÈ«ÇòÐÔµÄÏúÊÛ´úÀíºÍ·ÖÏúÉÌÍøÂç¡£


Ò³Ã湦ÄÜ:¡¾·¢±í/²é¿´ ÆÀÂÛ¡¿¡¾ÍƼö¡¿¡¾×ÖÌå:´ó ÖРС ¼ò ·±¡¿¡¾´òÓ¡¡¿¡¾Êղء¿¡¾ä¯ÀÀ:¡¿¡¾¹Ø±Õ¡¿
‹