Kev tiv thaiv Board luv Circuit Court tiv thaiv txoj cai

Nyob rau hauv cov txheej txheem ntawm kev tawm sab nraud ntawm lub rooj tsav xwm kev tiv thaiv, ob lub tshuab hluav taws xob hauv 8205A tsis zoo li ob lub tshuab hluav taws xob, tab sis sib npaug rau ob lub resistors nrog me me heev, uas yog hu ua on- tsis kam ntawm 8205A. Qhov kev tawm tsam ntawm txhua qhov hloov pauv yog li 30m\U 03a9, thiab tag nrho yog li 60m\U 03a9. Qhov hluav taws xob siv rau G ncej yeej ncaj qha tswj qhov kev tiv thaiv ntawm txhua qhov hloov thaum G ncej voltage ntau dua 1V Thaum, qhov kev tiv thaiv ntawm qhov hloov me me (tsawg milliohms), uas yog sib npaug rau qhov hloov raug kaw. Thaum qhov hluav taws xob ntawm G ncej yog tsawg dua 0.7V, qhov kev tiv thaiv ntawm qhov hloov pauv loj heev (ntau MΩ), uas yog sib npaug rau qhov hloov pauv. Qhov voltage UA yog qhov hluav taws xob tsim los ntawm kev ua haujlwm ntawm 8205A thiab qhov tawm tam sim no. Thaum lub load tam sim no nce, UA yuav inevitably nce. Vim tias UA0.006L × IUA tseem hu ua lub raj hluav taws xob poob ntawm 8205A, UA tuaj yeem txuas tau yooj yim los qhia qhov loj ntawm qhov tso tawm tam sim no. . Thaum nws nce mus rau 0.2V, nws tau txiav txim siab tias qhov kev thauj khoom tam sim no tau mus txog qhov txwv tus nqi, yog li cov zis hluav taws xob ntawm tus pin 1 nres, qhov hluav taws xob ntawm tus pin 1 dhau los ua 0V, qhov hluav taws xob tswj lub raj hauv 8205A raug tua, thiab qhov hluav taws xob ntawm tus pin 1 yog 0V. Qhov hluav taws xob hluav taws xob ntawm lub xov tooj ntawm tes raug txiav tawm, uas yuav tua hluav taws xob tswj lub raj. Hauv lwm lo lus, qhov siab tshaj plaws tam sim no uas DW01 tso cai rau cov zis yog 3.3A, uas paub txog kev tiv thaiv overcurrent.