标题: ????×???????????????"??????"·¨
wards
论坛元老会



UID 10
精华 6
积分 240
帖子 260
阅读权限 10
注册 2004-2-7
状态 离线
发表于 2004-3-27 00:48  资料  个人空间  短消息  加为好友 
????×???????????????"??????"·¨

????×???????????????"??????"·¨??;
???????±????????????????????????????????,???????ê?????÷
?????????¤×÷???í???à?±???é·?,?ò??????????????·?·¨???°??
????·????????????à??????,???±????????·?????IC·?????????.
????????"???×????",????°?????????????????????·?????????
·?.
????1.?ù±??????é??,????????????????????????????????????
??.
????2.???????ò?????÷,????±???????????°??????§.
????3.?????????×???÷,?ê???????????????¤×÷???í.
????4.???????????????ú?????????÷?????ó????,??±???????°?
???????ú???ú??,??·?????????
?????? ??  ?? ??????????·?.?ù±??????é??
????;mAh:??????????????????,????????????????????·???????
????????×???×???.
????;???????í????±ê×????????????ó???ì?¤??????.
????;???????ú??±ê×??????????÷?????±????°??à??.
????;1mAh=0.001°??à*3600??=3.6°??à??=3.6????
????;mAh????±ê×?????,??????????????????·?±?????????????
????.
????;±???????900mAh???????????á??300mA???÷??????3???±??
????????.
??????"????×???????????????????·¨"??????,???ê???é??????
?????????ü????????????????·???.????????·?·¨??±?????????.
????????????×????????????????????·?é??,????????????.???ó
?ó????????????????????????±í??×÷?????í.???????÷????????
???à??????????????×????????????????é??.
?????????????÷????????????,???????¨???????????±???????·
?÷???????÷?ó??.
?????????????????÷?????¨??±???,°??????????÷?????±??????
???ò??????????????????.?????é????°????????é??????????·?
?ú.?¨???????????÷??·?????????????????,????????????????±?
?????·.
?????????????????÷?????±??±?????,???????è????????±?????
???÷??????·???????????????,???ú?????????????????é??,???÷
???±????±???.
???????÷?????????????
?????ò???????????¨?????????????¨????×è??????????(????·ü
??V?ò??·ümV),°???????????????×è??×è??(?????·?·ohm?ò???·
mohm)?????????±?????÷??(??????°??àA?ò??°?mA)??.
?????? ?? ?? ??
??????????·?,?????????¤×÷???í?°?ò??????
?????????????¤×÷???í??
???????°???ú??????????????(?ó°????????ú????),??????????
±??¤???·????????????????????????,??????????????????????
??×è,??×è????°???20~30???·????.
???????ù±????í??,???????????????????ù??×è,?±?÷?????????÷
?ó?ú?ú??????????,????????????????(????×????????÷)???±??
??????·?,???????§?????±?????·????(×???,????????????
mAh).
????;??;???à????????????????????,TI??,MAXIM??????°?????
?????????ù???à???ú?·???·.?????????????????ó,??±??á??,??
???ú???á????"?¨??"?????ó.?ù?????à???ú????????????.
???????????????¨?????±??·????????????ó,°?????(??????mAh)
????????????????EEPROM??,???ù?????ú???è?ó,?¨???¨????????
?????ú.???????ú???????????é??????×??·????.
????;??;????????????,????????????????×°?????ú??????????,
?¨??????????×???????±??¤???·?è????????.
????;??;
???????????????????????÷?????¨???????????ù±?????????
????????????????????(mAh),?????¨????,?????????ê????·??ó
??????????
?????????????±?°????(mAh),????????×???????????????
???????±?°?÷???????÷(mA),?????ú?????÷????
?????????????ò????????
??????????°????ú???á????????(±???"????550mAh"?ò"????
345mAh"?????????????§?????í????????.
????????????????????????·???,?¨??????°?????mAh×?????????
?????í?????í??????????.
????1.????°?·?±?(??????%)
?????????????????????????????ò???????¨????.
????°??±?°?????????????????¨???????????????±?°??????????
°?·?±?
???????é???¨??????600mAh??????,?????±?°????????????
456mAh,???ú??????456/600=76%.
????2.???ú?±?????¨?°?±??(???????±??:???±h)
???????ú±??í?ù??×??í?????ú?ò?¨?°???÷????,?á?à??????????
??????????,??????????×????????§?????í???????ú?±?????¨?°
?±??.
???????ú?±????????????????:
???????????±?°????/?±?°?÷???????÷=***???±
?????¨?°?±????????????????
???????????±?°????/?¨?°?±???ù???÷=*???±
?????? ?? ?? ??
??????????·? ?????????×???÷
????1.???·
???????????à?????è?????·????????????????
??????????A/D????×???,?¨????12??????,????????×?????12??
??????16??????×??ó???????ù???????±??.
??????????????????,????RC??·????·?????????????±??????·?
??.
????????×???????????????????????.
????2.???????é??
????????·¨???ù?????????????±??·?????.???è?????????é??.
????????????????????????±????????±??????·?????????.????
?????????????????¨????,??±??????????????????ê??????·???
?????????·??????????????.
??????????????????????,?§???á???è??????????????????????
??.???????????????????????ê???????ò?ê????±?.?ù??????????
????·??á???????????ó??.
?????ù??±????¨????????????????????×??????????ê????·?????
×÷,???????????????·?????????¨????.
????3.???¨???????÷??
????????×????????????????á??×????·??????,?????????á????
??????.??????????????±???????????????????±????°,???¨?á??
?????????????í?ó.
????±?????????????600mAh??????,??100?????·???ó,????????
??????±???500mAh??,????????????????????????°???600mAh??
?????????????°,??±??ì??????????????±?????????.
?????ù???????????????????????????????????????÷??????·¨,
?á?ù?????????·?????÷????????????.
????????×??????????????á????????????±???????????????????
??.
????±?????25???±,????????????????100%??????????
????????0????,????????·???80%??????????.
?????????????????????????÷?????°,??±??ì???????·???????±,
?÷?÷???????à20%??????,???á?°???ú???????ó.
?????ù?????????????????????????????????÷??????·¨,?á?ù??
???????????????????????????÷??.
????4.????±ê????
?????í?à??????????????±???????????????±ê???????????ò.
?????ü??×÷?????????ú????±ê?????ò????,?????ò??????±?????
??????????,?????????ú???¨?????????????ú.???ú?é?¤?????ò??
??.?????????·?????????????·????.?????ò?????é?¤?í?ó,???ú
???á????·????·?????????????¤×÷.
??????????????????????,??????????????,??????????????????
????????,???????????????????÷??.???? ???????÷?ú(???ú)??
???¨??????.
?????? ?? ?? ??
??????????·?.???????????????ú???????????ó????
?????????ê?????é??????????????±??í???¤×÷???í.
????????×÷?????????ò???§??????,????????(mAh)????????????
????????.????????°?????×??????????ú?±?????????ú???í????
?¤×÷??.
???????ú?¨???¨??,????????????
????????????????????(mAh),?????¨????,?????????ê????·??ó
??????????
?????????????±?°????(mAh),????????×???????????????
???????±?°?÷???????÷(mA),?????ú?????÷????
????×???,?±?°?÷???????÷????·???????????????.?????×??,?í
?à?ò???°?ì?????????÷.
?????±????????????,?á?°?ì???ú?????ú???÷
???????ú????????,±???????????,?ì???????á?????ò??±????ú??

???????ú±???(??×÷???ú?±),?á?ó?ó?????ó???ú???÷.
?????????°?ì?ò???á???????????????ú?±??????????????????
?????????????±?°????/?±?°?÷???????÷=***???±
???????????ú???÷???¨??±??ò±??????????°,???????ú?±?????á
??????????????×÷??
???????????????????ú???¨·???????????·?,???ú?±????×?????

?????±???????????????±?????°?ì???ú?????ú?±??????.
????±?????A??????180?????±???ú???????????ú????B???í????
±?????240?????±???ú.?????ò????????????·???±?????.
???????????ú?±????±?????????·???????????????????????????
????,????????????????????????±?????.???????????????????÷
???????????????ò.
????????????×??????????????§??,???è??ר????·??????í,???è
????±???????????????,???????°?ì????×???????????·???.
????????,??????????????±????????????????ú???§,??????±???
???÷.
?????? ?? ?????ú?¨?????????ù?????????????????ê??????·?,
??±????????????????÷?????é??????????.?·±??????????±?¤×÷
??×???×???.?? ?? ??







??
顶部
 



当前时区 GMT+8, 现在时间是 2024-3-28 20:31

    本论坛支付平台由支付宝提供
携手打造安全诚信的交易社区 Powered by Discuz! 5.5.0  © 2001-2007 Comsenz Inc.
Processed in 0.015211 second(s), 7 queries

清除 Cookies - 联系我们 - 我要委托设计网 - Archiver