Stake¹ÙÍø

Stake(ÖйúÇø)¹Ù·½ÍøÕ¾

Blog

ÐÂÎÅ×ÊѶ

TMP1782 Ò»¿îÏßÐÔ16ͨµÀ£¬£¬ £¬£¬£¬ £¬£¬´ø×Ô˳Ӧ·´Ïì¿ØÖÆºÍCAN²î·Ö½Ó¿ÚµÄµÍ±ßLEDÇý¶¯Æ÷

2025-09-12 17:29

TMP1782

ÊÇÒ»¿îרÃÅΪÆû³µ¶¯Ì¬ÕÕÃ÷Ó¦ÓöøÉè¼ÆµÄLEDÏßÐÔºãÁ÷Çý¶¯Æ÷£¬£¬ £¬£¬£¬ £¬£¬µ¥¿ÅоƬӵÓÐ16¸öͨµÀ£¬£¬ £¬£¬£¬ £¬£¬Ã¿Í¨µÀ¶î¶¨µçÁ÷¸ß´ï 200mA£¬£¬ £¬£¬£¬ £¬£¬µçÁ÷¾«¶È¡À5%£¬£¬ £¬£¬£¬ £¬£¬TMP1782¿ÉÒÔÖ§³Ö16·PWM×ÔÁ¦µ÷¹â£¬£¬ £¬£¬£¬ £¬£¬Ã¿¸öͨµÀ¶¼¿ÉÒÔ×ÔÁ¦¾ÙÐÐ12λPWMµ÷¹âºÍ6λAnalogµ÷¹â£¬£¬ £¬£¬£¬ £¬£¬ÆäÖÐPWMµ÷¹âƵÂʿɱà³Ì£¬£¬ £¬£¬£¬ £¬£¬×î¸ß¿ÉµÖ´ï1kHz ¡£¡£¡£¡£¡£¡£

¸ÃÆ÷¼þÖ§³ÖÎȽ¡¡¢¸ßËÙµÄCAN²î·Ö½Ó¿Ú£¬£¬ £¬£¬£¬ £¬£¬DATA+¡¢DATA-Òý½ÅÄÍѹµÖ´ïÁË20V£¬£¬ £¬£¬£¬ £¬£¬²¨ÌØÂÊ×î´ó¿ÉÖ§³Ö2Mbit/s£¬£¬ £¬£¬£¬ £¬£¬¿ÉʵÏÖÔ¶¾àÀë¿ç PCB°åÔËÐУ¬£¬ £¬£¬£¬ £¬£¬Ôڵưå¶Ë¿ÉʡȥÍⲿµÄCANÊÕ·¢Æ÷£¬£¬ £¬£¬£¬ £¬£¬´Ó¶øÓÅ»¯ÏµÍ³BOM£¬£¬ £¬£¬£¬ £¬£¬µ¥¸öCAN×ÜÏßÔËÐпÉÒÔÖ§³Ö16 ¸ö IC¼¶ÁªÔÚÒ»Æð£¬£¬ £¬£¬£¬ £¬£¬¿É½¨Éè 256 ͨµÀ½â¾ö¼Æ»® ¡£¡£¡£¡£¡£¡£

TMP1782

¾ßÓÐ×Ô˳Ӧ·´Ïì¿ØÖÆ (AFC) ¹¦Ð§£¬£¬ £¬£¬£¬ £¬£¬ïÔ̭ϵͳµÄÈÈÏûºÄ£¬£¬ £¬£¬£¬ £¬£¬¿É×î´óÏ޶ȵØÌá¸ßϵͳЧÂÊ ¡£¡£¡£¡£¡£¡£Æäǰ¶ËµÄ½µÑ¹ÎÈѹÆ÷µÄÊä³öµçѹ¿Éʵʱµ÷½â£¬£¬ £¬£¬£¬ £¬£¬ÒÔʹͨµÀÉϵĵçѹ¼á³ÖÔڼĴæÆ÷É趨µÄˮƽÉÏ£¬£¬ £¬£¬£¬ £¬£¬Èç200mAʱ¾»¿Õµçѹ300mV ¡£¡£¡£¡£¡£¡£

TMP1782

¾ßÓÐÓÅÒìµÄÎÂÉýÌåÏÖ£¬£¬ £¬£¬£¬ £¬£¬³£ÎÂTa= 25¡æ£¬£¬ £¬£¬£¬ £¬£¬Pd=3.04W£¬£¬ £¬£¬£¬ £¬£¬ÎÂÉý½ö64.4¡æ ¡£¡£¡£¡£¡£¡£²âÊÔÌõ¼þ£ºTa= 25¡æ£¬£¬ £¬£¬£¬ £¬£¬VP& EN = 6.5V, ISET = 200mA(3k?),  VLED1 ¨P 0.95V£¬£¬ £¬£¬£¬ £¬£¬TMP1782´îÔØÔÚEVBÉÏ ¡£¡£¡£¡£¡£¡£

²î±ðPd֮ϵÄÎÂÉýÌåÏÖ£º

1.VLED1~16 = 0.625V, ILED = 3.2A£¬£¬ £¬£¬£¬ £¬£¬Pd=0.625V * 3.2A = 2.00W

2.VLED1~16 = 0.9375V, ILED = 3.2A£¬£¬ £¬£¬£¬ £¬£¬Pd=0.9375V * 3.2A = 3.00W

3.VLED1~16 = 1.25V, ILED = 3.2A£¬£¬ £¬£¬£¬ £¬£¬Pd=1.25V * 3.2A = 4.00W


 

TMP1782»¹½ÓÄÉչƵ(FSS) ¹¦Ð§£¬£¬ £¬£¬£¬ £¬£¬ÆäLED µçÁ÷бÂʺÍͨµÀ¼äÊä³öÏàÒÆ¶¼¿É¾ÙÐÐÊý×ÖÉèÖ㬣¬ £¬£¬£¬ £¬£¬Ê¹ÓÃÕâЩ¹¦Ð§¿ÉÒÔʵÏÖEMC/EMIµÄÓÅ»¯ ¡£¡£¡£¡£¡£¡£

TMP1782¾ßÓи»ºñÆëÈ«µÄÕï¶Ï±£»£»£»£»£»£»£»£»¤¹¦Ð§£¬£¬ £¬£¬£¬ £¬£¬Ëü¾ßÓÐLED ¿ªÂ·/¶Ì·¼ì²â£¬£¬ £¬£¬£¬ £¬£¬ÆäÖпªÂ·ãÐÖµ¿ÉÉèÖ㬣¬ £¬£¬£¬ £¬£¬Æ¾Ö¤ÏµÍ³ÒªÇóÑ¡Ôñ²î±ðµÄ±£»£»£»£»£»£»£»£»¤¼Æ»®(´òàÃģʽ»òËø´æÄ£Ê½)£¬£¬ £¬£¬£¬ £¬£¬ÁíÍ⻹ÌṩISET Òý½Å¿ªÂ·/¶Ì·±£»£»£»£»£»£»£»£»¤£¬£¬ £¬£¬£¬ £¬£¬ÒÔ¼°¹ýÈÈÔ¤¾¯¡¢¹ýιضϱ£»£»£»£»£»£»£»£»¤£¬£¬ £¬£¬£¬ £¬£¬Ò»µ©±¬·¢¹ÊÕÏÇéÐΣ¬£¬ £¬£¬£¬ £¬£¬¹ÊÕÏָʾÆ÷½«À­µÍ²¢ÉèÖÃÏìÓ¦µÄ¹ÊÕϼĴæÆ÷ ¡£¡£¡£¡£¡£¡£

TMP1782ÄÚÖÿɱà³ÌOTP£¬£¬ £¬£¬£¬ £¬£¬ÅäºÏ¹ÊÕÏÇå¾² (/FS) ָʾÆ÷¿ÉʵÏÖÎÞаµÄʧЧÇå¾²Fail SafeģʽÉèÖ㬣¬ £¬£¬£¬ £¬£¬À´×ÊÖúʵÏÖ¹¦Ð§Ç徲ϵͳÉè¼Æ ¡£¡£¡£¡£¡£¡£

TMP1782 ½ÓÄɲàÃæ¶ÆÎýµÄWettable 32QFN(5mmx6mm)·â×°£¬£¬ £¬£¬£¬ £¬£¬²¢ÇÐºÏ AEC-Q100 Grade1 ÈÏÖ¤ ¡£¡£¡£¡£¡£¡£

£¨Í¼ÎÄÐÅϢת×Ô TPSEMI£©

 

¡¾ÍøÕ¾µØÍ¼¡¿¡¾sitemap¡¿