E ngā kaihangarau, kua tūtaki kē koutou ki tēnei momo rahunga "moemoeā"? I tino pai te whakamātautau a te tomokanga pokapū raraunga i hangaia pai i roto i te taiwhanga, engari i muri i te kotahi, i te rua rānei tau o te whakatinanatanga papatipu me te mahi mara, ka tīmata ngā puranga motuhake ki te pāngia e te ngaronga mōkihi kore e taea te whakamārama, te motuhanga hiko, tae atu ki te whakaara anō. I tirotirohia e te tīma pūmanawa te waehere, ā, i tirotirohia e te tīma taputapu, i te mutunga mā te whakamahi i ngā taputapu tika hei tautuhi i te take: te haruru auau teitei i runga i te reera hiko matua.
Otinga Pūnga Maha-Papa YMIN
- Tātari Hangarau Taketake – Me ruku hohonu tātou ki te "tātari mate" e pā ana ki te pūtake. Ka tino rerekē te kaha o te whakamahi hiko o ngā maramara CPU/FPGA i roto i ngā kuwaha hou, ka puta he maha ngā haunga iahiko auau-teitei. Me tino iti te ātete raupapa ōrite (ESR) me te kaha iahiko riporipo teitei o ā rātou whatunga wetewete hiko, inā koa ko ngā pūnga iahiko papatipu. Tikanga rahunga: I raro i te ahotea roa o te pāmahana teitei me te iahiko riporipo teitei, ka heke tonu te atanga electrolyte-electrode o ngā pūnga iahiko polymer noa, ka piki ake te ESR i roto i te wā. E rua ngā hua nui o te pikinga o te ESR: Te whakaiti i te whai huatanga tātari: E ai ki a Z = ESR + 1/ωC, i ngā auau teitei, ko te aukati Z ka whakatauhia tuatahitia e te ESR. I te pikinga o te ESR, ka tino ngoikore te kaha o te pūnga iahiko ki te pehi i te haruru auau-teitei. Te pikinga o te whakamahana-ake: Ka puta he wera puta noa i te ESR mā te iahiko riporipo (P = I²_rms * ESR). Ka tere ake te koroheketanga o tēnei pikinga pāmahana, ka hanga he porowhita urupare pai e arahi ana ki te rahunga o mua o te pūnga iahiko. Ko te mutunga: Kāore e taea e te huinga pūnga hiko kua rahua te whakarato i te utu e tika ana i te wā e huri ana te kawenga tauwhiro, kāore hoki e taea te tātari i te haruru auau teitei e puta mai ana i te pūtake hiko whakawhiti. Ka puta he hapa me te heke o te ngaohiko pūtake o te maramara, ka hua ake he hapa arorau.
- Ngā Painga o ngā Otinga me ngā Tukanga YMIN – Kua hangaia ngā pūnga hiko totoka maha-paparanga MPS raupapa a YMIN mō ēnei tono uaua.
Te whanaketanga hanganga: Ka whakauruhia e te tukanga paparanga maha ngā maramara pūnga totoka iti maha i roto i te kete kotahi. Ka hangaia e tēnei hanganga he pānga aukati whakarara ki te whakataurite ki tētahi pūnga nui kotahi, ka whakaitihia te ESR me te ESL (inductance raupapa ōrite) ki ngā taumata tino iti. Hei tauira, ko te pūnga MPS 470μF/2.5V he ESR iti iho i te 3mΩ.
Pūtāhui Rauemi: Pūnaha pūmua totoka. Mā te whakamahi i tētahi pūmua kawe totoka, ka whakakorea te mōrearea o te turuturu, ā, he tino pai ngā āhuatanga pāmahana-auau. He iti noa te rerekētanga o tōna ESR i runga i te whānuitanga o te pāmahana (-55°C ki te +105°C), e aro nui ana ki ngā herenga roa o te ora o ngā pūnga wai/irahiko.
Mahi: Ko te tikanga o te ESR tino iti ko te kaha ki te whakahaere i te au ripple, ka whakaiti i te pikinga o te pāmahana o roto, ā, ka whakapai ake i te MTBF o te pūnaha (te wā toharite i waenga i ngā rahunga). Ko te urupare auau teitei tino pai ka tātari i te haruru whakawhiti taumata-MHz, ka whakarato i te ngaohiko ma ki te maramara.
I whakahaerehia e mātou ngā whakamātautau whakatairite i runga i te papahoahoa hapa a te kiritaki:
Te whakataurite i te āhua ngaru: I raro i te kawenga kotahi, i eke te taumata haruru tihi-ki-tihi o te reriwe hiko matua taketake ki te 240mV. Whai muri i te whakakapinga o ngā pūnga YMIN MPS, i pehia te haruru ki raro iho i te 60mV. E whakaatu mārama ana te āhua ngaru oscilloscope kua maeneene, kua pumau hoki te āhua ngaru ngaohiko.
Whakamātautau pikinga pāmahana: I raro i te iahiko ripo kawenga katoa (tata ki te 3A), ka taea e te pāmahana mata o ngā pūnga hiko noa te eke ki runga ake i te 95°C, ko te pāmahana mata o ngā pūnga hiko YMIN MPS he tata ki te 70°C anake, he whakahekenga pikinga pāmahana neke atu i te 25°C. Whakamātautau ora tere: I te pāmahana whakatauranga o te 105°C me te iahiko ripo whakatauranga, i muri i te 2000 hāora, ka eke te reiti pupuri kaha ki runga ake i te 95%, he nui ake i te paerewa ahumahi.
- Ngā Horopaki Taupānga me ngā Tauira e Manakohia ana – YMIN MPS Raupapa 470μF 2.5V (Ngā Ahu: 7.3*4.3*1.9mm). Nā te iti rawa o te ESR (<3mΩ), te teitei o te au o te ripple, me te whānuitanga o te pāmahana whakahaere (105°C) ka waiho hei turanga pono mō ngā hoahoa hiko matua i roto i ngā taputapu whakawhitiwhiti whatunga teitei, ngā tūmau, ngā pūnaha rokiroki, me ngā papahoahoa whakahaere ahumahi.
Whakamutunga
Mō ngā kaihoahoa taputapu e whai ana kia tino pono, ehara i te mea ko te whiriwhiri noa i te uara kaha tika te wetewete i te hononga hiko; me aro nui atu ki ngā tawhā hihiri pēnei i te ESR o te kaha, te ia oro, me te pumau mo te wa roa. Mā ngā hangarau hanganga me ngā rauemi auaha, ka whakaratohia e ngā kaha maha-paparanga YMIN MPS he taputapu kaha mō ngā kaihangarau hei wikitoria i ngā wero haruru o te kaha. Ko te tumanako ka whakaratohia e tēnei tātaritanga hangarau hōhonu he māramatanga ki a koe. Mō ngā wero tono kaha, tahuri ki a YMIN.
Wā tuku: Oketopa-13-2025