Maitiro ePCB Coils Anonatsiridza Kuita Kwedunhu uye Kuita

A PCB coil, inozivikanwawo seyakabatanidzwa PCB inductor, imhando yeinductor yakagadzirwa zvakananga pane yakadhindwa redunhu bhodhi (PCB) uchishandisa nzira dzemhangura. Aya makoiri anoita basa rakakosha mumaseketi akasiyana emagetsi nekugadzira magineti kana ikozvino inoyerera nemavari, ichipa inductance yekuchengetedza simba uye chiratidzo chekugadzirisa. Iko kubatanidzwa kwePCB coils muPCB pachayo inobvumira kuti iite inoshanda uye compact mhinduro kana ichienzaniswa neyechinyakare discrete inductors. Ichi chinyorwa chinoongorora misimboti yekugadzira, nzira dzekugadzira, maitiro ekuita, maapplication, uye zvakanakira PCB coils pamusoro pe discrete inductive zvikamu.

Chii chinonzi PCB Coil?

Iyo PCB coil itsika inductor yakagadzirwa uchishandisa matani emhangura paPCB kugadzira chimiro chakakomberedzwa. Iyo coil inogona kutora akati wandei mafomu, anosanganisira spirals, serpentine mapatani, kana mamwe akaomarara helical masisitimu, zvichienderana neinodiwa inductance uye kushandisa. Kana simba remagetsi richipfuura nepakati pecoil, rinogadzira magnetic field, iyo inochengetedza simba kwechinguva uye inoramba kuchinja kwezvino. Hunhu uhwu hunoita kuti PCB coils ive yakakosha kune akawanda maapplication, akadai semagetsi ekushandisa, masaini kugadzirisa, uye masisitimu ekuchengetedza simba.

Nekumisikidza iyo inductor yakananga muPCB, mainjiniya anobvisa kudiwa kwezvikamu zvediscrete inductive, zvichitungamira kukuchengetedza mutengo, kuderedzwa kwekushandiswa kwenzvimbo, uye kurerutsa maitiro egungano. Iko inductance kukosha kwePCB coil inotarwa nezvinhu zvakati wandei, kusanganisira huwandu hwekutendeuka, hupamhi hwekutevera, uye nzvimbo pakati pekutendeuka.

Mhando dzePCB Coils

PCB coils inouya mune akati wandei zvigadziriso, imwe neimwe yakagadzirirwa kuzadzisa akasiyana maapplication. Mhando dzakajairika dzePCB coils dzinosanganisira spiral, serpentine, helical, uye toroidal coils. Aya marudzi anopa akasiyana mabhenefiti anoenderana nezvinhu zvakaita se inductance, tsoka, uye kuita pasi pemamiriro ekushanda.

Spiral Coils
Spiral coils inoumbwa nekumonereka kwemhangura mitsetse mune inotenderera pateni, ingave yakatarisana newachi kana kuti counterclockwise. Iyi mhando yecoil inopa compact dhizaini ine yakakwira inductance density, ichiita kuti ive yakanakira maapplication uko nzvimbo inogumira. Nekuda kwekureruka kwavo, ma spiral coils anoshandiswa zvakanyanya mumagetsi emagetsi uye maseketi eRF, uko zvipingamupinyi zvenzvimbo uye kuchengetedza kwesimba kwakanaka ndizvo zvakakosha.

Nyoka Coils
Nyoka dzenyoka dzakagadzirwa nemhangura dzemhangura dzinotenderera dzichidzoka nekudzoka mune zigzag kana senyoka-yakafanana pateni. Rudzi urwu rwuri nyore kurongeka kana ichienzaniswa nespiral coils uye yakanakira kuwana yakakwirira inductance hunhu munzvimbo shoma. Nekudaro, nyoka coils inogona kudzikiswa neadzo frequency mhinduro. Aya makoiri anowanzoshandiswa mune yakaderera-frequency magetsi mafirita uye mamwe maseketi uko kuderedza nzvimbo uye mutengo kwakakosha.

Helical Coils
Helical coils ndiwo matatu-dimensional makoiri akaumbwa nekuwedzera maronda emhangura pane akawanda PCB akaturikidzana achishandisa akaputirwa kuburikidza-buri vias. Iyi dhizaini inobvumira yakakwirira inductance kukosha uye zvirinani zvazvino kubata masimba, zvichiita kuti ive yakakodzera kune yepamusoro-inoshanda zvikumbiro. Aya makoiri anowanzo kuwanikwa mune akakwira-simba masisitimu, anosanganisira emagetsi ekushandura uye akakwira-frequency RF maseketi, uko kunodiwa inductive zvivakwa.

Toroidal Coils
Toroidal coils inoratidzira yakavharwa-loop, dhizaini-yakaita donut ine maronda emhangura akatenderedzwa nepakati denderedzwa. Iyi gadziriso inopa yakagadzikana inductance uye yakanakisa Q-factor (mhando chinhu), iyo inobatsira kuderedza kurasikirwa uye inovandudza simba rekushandisa. Toroidal coils anowanzo shandiswa mune chaiyo magetsi emagetsi, RF amplifiers, uye EMI mafirita, uko kuchengetedza kuita kunoenderana uye kuderedza kupindira kwakakosha.

Sarudzo yePCB coil mhando inoenderana nezvinodiwa zvekushandisa, senge inductance, frequency renji, nzvimbo, uye mabatiro azvino. Spiral uye serpentine coils yakanakira compact, inodhura-inoshanda mhinduro, nepo helical uye toroidal coils inokodzera zvirinani kune yakakwirira-kuita, yakakwirira-simba maapplication. Mhando yega yega coil ine zvayakanakira zvakasarudzika, uye kusarudza iyo chaiyo inogona kuwedzera zvakanyanya kushanda uye kuvimbika kweiyo yese yemagetsi system. Ingave ichishandiswa mumagetsi emagetsi, maseketi eRF, kana kusefa maapplication, PCB coils inopa inochinja-chinja uye inoshanda mhinduro yekubatanidza inductance mumagadzirirwo emagetsi emazuva ano.

Ko PCB Coils Inoshanda Sei?

PCB coils inoshanda pane imwecheteyo yakakosha electromagnetic nheyo sechinyakare waya-maronda inductors. Ikozvino inoyerera kuburikidza nemhangura yemhangura inogadzira magnetic field yakakomberedza coil. Nheyo yemusimboti seri kwemaitiro aya inductance, inoramba shanduko mune yazvino uye inochengeta simba mukati meiyo magineti. Iyo magineti inogadzirwa necoil inowedzera nehuwandu hwekutendeuka, uye iyo inductance inobatwa nekutevera hupamhi, nzvimbo, uye ikozvino frequency.

1. Inductance: Kugona kwekoiri kuramba shanduko mukuyerera kwazvino. Izvi zvinotariswa nehunhu hwekoiri, kusanganisira saizi uye nhamba yekutendeuka.
2. Magnetic Munda: Ikozvino inokonzera magnetic field inochengetedza simba, iyo inosunungurwa kana ikozvino inoderera.
3. Kutadza: Iyo coil inopa impedance inowedzera ne frequency, yakakosha hunhu hwekusefa maapplication uye simba regulation.

Ko PCB Coils Inogadzirwa Sei?

Makoiri ePCB anogadzirwa achishandisa matekiniki ekugadzira ePCB akajairwa , pamwe nekugadziriswa kwakati kuti kuenderane nezvinhu zvinokurudzira kugadzirwa. Zvikamu zvikuru zvekuvaka zvinosanganisira:

1. Copper Layers: Iyo coil inowanzo umbwa pazvikamu zvekunze zvePCB, kunyangwe ichigona kuwedzera mukati memukati kuburikidza neakaputirwa nemaburi (vias). Nhamba yezvikamu inokanganisa inductance yecoil uye ikozvino-kutakura simba.
2. Trace Width uye Spacing: Upamhi hwemaronda hunokanganisa zvakananga kutakura kwecoil ikozvino, ine mitsetse yakafara inobvumira kuwedzera ikozvino kupfuura. Tight spacing pakati pekutendeuka inowedzera inductance asi inogona kudzikisira frequency coil.
3. Anotendeuka uye Coil Footprint: Kuchinja kwakawanda kunowedzera inductance asi inodawo imwe PCB nzvimbo. Iyo tsoka inofanirwa kuenzanisa iyo inodiwa inductance nekuderedza parasitic capacitance uye kuramba.
4. Via: Yakapfekwa kuburikidza-maburi anoshandiswa kubatanidza akasiyana PCB akaturikidzana uye kugadzira akawanda-layer coil, kuve nechokwadi chekuti coil ine zvakakwana kushanda kwemagetsi uye ikozvino-kubata kugona.

PCB Coil Dhizaini Yepakati Tekinoroji Ongororo uye Injiniya Maitiro

Mune yakakwirira-kumhanya madhijitari masisitimu uye isina waya yekuchaja zvishandiso, optimization PCB coil kuita kunoda yakazara masystem-level engineering maitiro. Ichi chinyorwa chinotarisa zvakajairwa dhizaini matambudziko uye chinopa zvigadziriso zveinjiniya zvezvishanu zvakakosha tekinoroji zvinhu muPCB coil dhizaini.

1. Kudzora Kwakarurama kweInductance Parameters

Kuwana chaiwo inductance hunhu muPCB coils inoda kwakaringana modhi uye yakawanda-fizikisi ongororo. Yepamberi 3D electromagnetic field simulation matekiniki anokurudzirwa kufanotaura magineti kugovera mukati meakawanda-layer akaturikidzana zvimiro. Imwe yakakosha dhizaini dhizaini ndeyekuteedzera hupamhi / chinhambwe reshiyo, iyo inofanirwa kuchengetedza nzvimbo inopeta kanokwana katatu pahupamhi hwekutevera kudzivirira kudzima magineti pakati pematanho ari padyo. Uyezve, muripo wekushivirira zvinhu wakakosha; kuchinja kwe substrate ukobvu (± 10%) kunofanirwa kuverengerwa, uye 12% -15% inductance margin inofanira kuchengeterwa kushivirira kwekugadzira.

Muenzaniso wenyaya : Coil yekuchaja isina waya ine mativi mana yakavandudza kugadzikana kwayo kwemuchina wemagetsi ne40% nekugadzirisa chimiro chekumonera kwechikamu chechitatu.

2. Wideband Adaptive Design

Pakushandisa mafrequency akakwira, maPCB coils anofanirwa kugadzirwa kuti aenderane nehukuru hwemafrequency akafara. Imwe nzira yekubatanidza impedance ndeyekushandisa chimiro che tapered trace width, uko upamhi hwekunze hwetrace hwakafara ne20% kupfuura ma inner layers. Kuti uderedze kurasikirwa kwe dielectric, zvakakosha kuenzanisa mashandiro eFR4 material nezvinhu zve high-frequency, sezvo musiyano wekurasikirwa pa2.4 GHz unogona kudarika 5 dB. Pamusoro pezvo, sarudzo dzekugadzirisa pamusoro, dzakadai sekushandisa 3μm chemical gold plating layer, inogona kuvandudza zvakanyanya kushanda kwe high-frequency conduction ne18-22%.

Zano Rinoshanda : Shandisa vector network analyzer kuti utarise Smith chart trajectory, uchiita shuwa kuti impedance denderedzwa iri mukati menzvimbo inoenderana kuti ive nani pakurongeka kwe impedance.

3. Multi-Dimensional Q Factor Enhancement

Iyo yemhando yepamusoro (Q factor) ndiyo yakakosha metric yekuita muPCB coils, uye kuivandudza kunosanganisira akawanda mazano. Copper foil optimization inoita basa rakakosha, neyakadzoserwa foil yemhangura (RTF) ichisarudzwa kuderedza kushata kwepamusoro kusvika 0.5μm, izvo zvinoderedza kurasikirwa kweganda. Zvigadzirwa zveGeometrical, sekushandisa octagonal mamhepo zvimiro, zvakaratidza kuvandudza kumucheto kwemagnetic field kufanana ne25% zvichienzaniswa neyakajairwa square winding madhizaini.

Kuchengetedza chaiyo, semi-yekuwedzera maitiro (mSAP) inova nechokwadi chehupamhi hwemutsara mukati me ± 8μm.

Kusimbiswa Kwekushanda : Mushure mekugadzirisa, Q factor ye coil pa 13.56 MHz inogona kubva pa 120 kusvika 150.

4. Self-Resonant Frequency (SRF) Kugadzikana Kwekugadzira

Iyo self-resonant frequency (SRF) kugadzikana kwakakosha kuti ive nechokwadi chekuti PCB coil inochengetedza kuita kwayo kwakanaka mukati mekushanda kwayo frequency renji. Imwe nzira yekudzvinyirira capacitance yakagovaniswa ndeye kushandisa isina-symmetric inomonereka marongero, ayo anogona zvinobudirira kuderedza inter-layer parasitic capacitance ne30-35%. Pamusoro pezvo, kuisa miniature ceramic capacitors pamhepo inobhenda kunotsiva yakakwirira-frequency phase shift.

Nhungamiro dzekuchengetedza dhizaini : Kuwanda kwekushanda hakufanirwe kudarika 1/3 yeSRF kuti ive nechokwadi chekuti mashandiro akasimba. Nzira yeKugadzirisa: Vaongorori veImpedance vanogona kushandiswa kutarisa kuchinja kwephase angle, vachinyatsoona kukosha kweSRF chaiyo.

5. Kudzora kwakarongeka kweParasitic Capacitance

Kugadzirisa kugona kwezvipenyu mumakoira ePCB kwakakosha pakuchengetedza kusimba kwechiratidzo uye kushanda kwese. Imwe nzira ndeyekugadzirisa zvinhu zve dielectric nekushandisa substrates dzine dielectric constant yakaderera (D _k = 3.5) uye kuisa maumbirwo emuchi. Kuti kuderedze kubatana pakati pema layers, nzira yekubatanidza 3D wiring ine X/Y/Z three-axis orthogonal structures inofanira kushandiswa mumaHDI board ane ma layers anopfuura masere.

Kudzivirira Kwakasimba : Kuwedzera mabhandi emhangura akakuyiwa katatu kega kega reFaraday kunogona kuderedza zvakanyanya kugona kwezvipembenene.

Kushanda : Mumodule ye5G millimeter-wave, coil yakagadziriswa inoderedza kugona kwezvipembenene kusvika pachikamu chimwe muzvishanu zvemagadzirirwo echinyakare.

6. Injiniya Implementation uye Testing

Kuitwa kweinjiniya kwePCB coils kunosanganisira akati wandei akakosha matanho. Munguva ye electromagnetic simulation nhanho, 3D modhi ine zvinhu paramita inogadzirwa, yakatarisana nemupendero wemunda mhedzisiro. Prototype kugadzira kunotevera, uchishandisa yakatsikwa paramende nzira kugadzira 5-7 seti yemasampuli ekuenzanisa. Mushure mezvo, kusimbiswa kwebvunzo kunoitwa nekuita frequency scans uchishandisa LCR mita mukati meiyo 0.1-100 MHz renji.

Kugadzirisa Kudzokorora : Topology yeLayout inogadziriswa zvichibva paS21 parameters, uye kudzokorora kwega kwega kuri kuwedzera kushanda zvakanaka neinenge 15-20%. Kuedza kwekupedzisira kunofanirwa kusanganisira kuyedza S-parameter uchishandisa network analyzer kuve nechokwadi chekuenderana kwakakodzera kweimpedance mukati me -3dB bandwidth.

Pakuronga kugadzirwa, zvinobatsirawo kuenzanisa nyaya iyi neongororo yekugadzira PCB uye kugadzirwa kweRF microwave PCB usati wapedzisa kugadzira kana kugadzira pasuru.

PCB Coil Kugadzirwa

Kugadzirwa kwePCB coils kunotevera akajairwa PCB kugadzira maitiro, aine mamwe matanho ekuona kuti coil inosangana nezvinodiwa zvemagetsi uye zvemuchina:

1. Etching: Iyo coil pateni yakamisikidzwa pamatanda emhangura uchishandisa yakajairwa PCB etching maitiro, kuve nechokwadi chechokwadi chekutsvaga kuumbwa.
2. Kupera: Yakapfekwa nepakati-maburi (vias) anoshandiswa kubatanidza akasiyana akaturikidzana ePCB uye kugadzira akawanda-layer coils yekuwedzera inductance.
3. Solder Mask: Iyo solder mask inoshandiswa kudzivirira mapfupi maseketi uye kupa insulation kune coil.
4. Testing: Mushure mekugadzira, iyo PCB coil's inductance, Q factor, uye self-resonant frequency inoedzwa kuti ive nechokwadi chekuti inosangana nezvinodiwa.

Zvakanakira zvePCB Coils

Kuenzaniswa neyechinyakare discrete inductors, PCB coils inopa akawanda mabhenefiti:

1. Mutengo-Unoshanda: Nekubatanidza coil zvakananga paPCB, hapana chikonzero chezvikamu zvakasiyana zveinductor, kuderedza mari yechikamu uye nguva yegungano.
2. Space-Kuchengetedza: PCB makoiri anoshandisa nzvimbo iripo paPCB, kuderedza huwandu hwese hwechikamu uye kusunungura nzvimbo yezvimwe zvikamu.
3. Gungano Risina Kuoma: Pasina discrete coil zvikamu zvekukwira, maitiro egungano anorerutswa, achidzikisa kuoma uye kugona kwenyaya dzekubatanidza.
4. Yakaderedzwa Parasitics: Iyo coil yakanyudzwa muPCB, ichideredza parasitic zvinhu zvakadai sekurasika inductance uye capacitance, kuvandudza kushanda kwese.
5. Better Heat Dissipation: Kupisa kunogadzirwa nekoiri kunopararira muPCB, kuvandudza hutungamiri hwekupisa uye kudzivirira nzvimbo dzinopisa.

mhedziso

PCB coils imhinduro inoshanda zvakanyanya uye inodhura yekubatanidza inductive zvinhu mumaseketi emagetsi. Nekuisa iyo coil yakananga muPCB, vagadziri vanogona kuderedza kuverenga kwechikamu, kuchengetedza nzvimbo, nekuvandudza mashandiro ehurongwa hwese. Nekungwarira dhizaini uye kugadzirwa, PCB makoiri anogona kugadzirwa kuti asangane nezvinodiwa zveakasiyana maapplication, kubva kumagetsi emagetsi kuenda kuRF maseketi uye EMI kusefa. Highleap Electronics, iine hunyanzvi hwayo mukugadzira nekugadzira PCB, inopa akarongedzerwa PCB coil mhinduro kuti isangane nezvinodiwa chaizvo zvezvigadzirwa zvako zvemagetsi, kuve nechokwadi chekushanda kwakakwana uye kuvimbika.