ããææ£å¸¸çå æ æ¾ç¤ºæ¶ï¼ä¼´é³ä¹æ£å¸¸ï¼è¯´æçµæºï¼è¡åºæ«æé¨å大è´æ£å¸¸ï¼å¾å¯è½æ¯ä¿æ¤çµè·¯å¨ä½å¼èµ·èªå¨å ³æºã
ããæ£æ¥ï¼1ï¼åºå¤±è½ä¿æ¤ï¼2ï¼æçµæµå¤±è½åè¿æµä¿æ¤ï¼3ï¼è¡è¾åºè¿åä¿æ¤å½ä»¥ä¸ä¸è·¯å ¶ä¸ä¸è·¯ä¿æ¤ï¼é½ä¼å¼èµ·èªå¨å ³æºã
ããå ·ä½æä½å¦ä¸ï¼
ãã1ï¼å¼æºåï¼æ£æµå¼å ³çµæºè¾åºçä¸ç»çµåï¼+B(+130V)ã+13.5Vå+15Vï¼åæ£å¸¸ã说æå¼å ³çµæºçµè·¯åè´è½½çµè·¯å·¥ä½æ£å¸¸ã
ãã2)åå«æ£æµTDA9380(14)ã(39)è+8Vä¾çµçµåï¼æ£å¸¸ï¼æ£æµTDA9380(54)ã(56)ã(61)è+3.3Vä¾çµçµåï¼ä¹æ£å¸¸ï¼è¯´æTDA8133ç²¾å¯ç¨³åçµè·¯åè´è½½çµè·¯å·¥ä½ä¹åºæ¬æ£å¸¸ã
ãã3)ç¨é¥æ§å¨å¼æºï¼å¿«éæµéNl01(TDA9380)â è(Stand-by/å¾ æº)çµå为Ovï¼ä½ç»8så·¦å³åï¼Nl01â èçµä½ä¸åå°3.2Vï¼æ¤æ¶åºç°ä¿æ¤æ§èªå¨å ³æºã
ãã4)ç¨é¥æ§å¨å¼æºï¼æµéTDA9380â¡è(SCL)åâ¢è(SDA)12Cæ»çº¿çµåï¼åç°å为4.8Vä¸æå¨ï¼æ£å¸¸å¼åºåå«ä¸º2Vã1.9vï¼ï¼å¼å¸¸ãäºæ¯ï¼æçåå¨å¨AT24C08åä¸æçµé»R612ãR613çï¼ä½æªåç°å¼å¸¸ãæ´æ¢ä¹æ æã
ãã(5)æ£æµTDA9380(33)è(HOUT)è¡æ¿å±èå²è¾åºçµå为lVï¼æ£å¸¸å¼ä¸º0.57Vå·¦å³ï¼ï¼ä¸æ£å¸¸ï¼æ¥çæ£æµTDA9380(36)è(EHTO/æé«åä¿æ¤è¾å ¥ç«¯)çµå为4Vï¼æ£å¸¸å¼ä¸º1.8Vå·¦å³ï¼ãç±æ¤çæ¥ï¼æ éå¯è½æ¯å TDA9380(36)èè¾å ¥çµåè¿é«èä¿æ¤å ³æºãå ³æºåï¼è¿ä¸æ¥æ£æ¥TDA9380?(36)èå¤æ¥çè¿åä¿æ¤å ¼æçµæµè¿æµæ£æµçµè·¯ï¼ä½æªåç°å¼å¸¸æåå 件ãæ¢ç¶TDA9380(36)èå¤å´çµè·¯æ æåå 件ï¼é£ä¹ï¼æçç±æçTDA9380@èå é¨æ¯å¦åºäºé®é¢ï¼èé æä¿æ¤å ³æºãç»æ´æ¢åï¼æ éæé¤ã