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Niyihe ntego yo kubona ubushobozi bwinshi kuri chipAmashanyaraziPin?
Nka injeniyeri ya elegitoroniki hazwi ko ubushobozi busanzwe bukora imirimo ine yibanze: gutesha agaciro, guhagarika DC mugihe yemerera AC GASTS), gushungura, no kubika ingufu. Uyu munsi, nzibanda ku gusobanura imikorere yo gutesha umutwe.
Ubwoko Rusange bwo Gucumura
Ishusho hejuru yerekana igice cya stramatike ya stm32 ya microcontroller ya micincestroller ya minimal. IYI MCU isaba amashanyarazi atanu 3.3v isanzwe itangwa na LDO (amafaranga yo hasi yintoki), nka LM1117.
Impamvu Gucukura Gucukura Birakenewe
Mugihe LDOS muri rusange itanga voltable ihamye ugereranije naDC-DC Guhindura. Kugira ngo dukemure ibi, dushyira ubushobozi bwo gutesha agaciro ibiciro bya chip. Ubushobozi bukurura urusaku rwinshi ruva mu mashanyarazi, tuyobye hasi, bityo turemeza ko chip yakira voltage ya DC ihamye kandi yizewe. Kubikorwa byiza, ubushobozi bwo gutesha agaciro bigomba gushyirwa hafi bishoboka mumapine ya Chip.
Kuki caputor ya 0.1μf isanzwe ikoreshwa?
Mugihe wiga ubunyangamugayo, akenshi dusesengura ubushobozi nkubu buryo, kumukoresha wo hasi, ubushobozi bwimikorere mbere ya filteri. Ariko, nkuko inshuro ziriyongera, igice cya Inductive cyubwo bushobozi kirakomera kandi amaherezo yiganje. Kurenga inshuro zihariye, ubushobozi bwoguhindura imikorere iragabanuka. Ibi bivuze ko kuriImirongo miremire, ubushobozi ntigitwara nk '"ubushobozi bwa" bwera. Akazu ka nyamizi karanga ubushobozi bugereranwa mumurongo hepfo:
Kuva kumurongo, ibisobanuro byiza bibaho kumwanya muto wainzemuumurongo (impeta ntarengwa). Ariko, nkuko inshuro ziriyongera, 0.1μf ihinduka bike ugereranije na 0.01μf. Ndetse na kenshi, imbaraga za reagence (urugero, 0.001μf) zirakenewe kugirango ushushe neza.
Igisubizo: Carale
Kugirango ukemure iyi mbogamizi, ibishushanyo byinshi byumuzunguruko bikoresha ubushobozi bwinshi muburyo busa nubushobozi butandukanye. Muguhuza ubushobozi bwindangagaciro zitandukanye, urujijo rukandagira urutonde rwaguwe, ruharanira guhagarika urusaku rwinshi hejuru yumutwe wagutse. Ubu buryo bwemerera uburyo bwo kuyungurura imikorere hejuru yumurongo wagutse.
Shenzhen Anke PCB Co, ltd
Igihe cya nyuma: Werurwe-07-2025
