ALLEGRO microSystems CT220 Sensor Magnetic na Litattafai
- Input Aiki Voltage: 3V - 3.3V
- Mitar yanke (3 dB): 10 Hz
- Yanayin Aiki: Min. 3°C, typ. 3.3°C
- Riba: 300mV/V/mT
Bayanin samfur
An ƙera Hukumar Ƙimar CTD221-BB-1.5 don kimanta firikwensin CT220BMV-IS5 na yanzu. Yana ba da haɗin kai da zaɓuɓɓukan daidaitawa don saka idanu fitarwa na firikwensin.
Umarnin Amfani da samfur
Ƙarsheview na Connections and Configuration
Ana amfani da hukumar tantancewa ta hanyar haɗa madaidaicin DV voltage tsakanin VCC da GND fil. Ya kamata a haɗa fil ɗin OUT zuwa na'urar voltmeter na dijital ko oscilloscope don saka idanu akan fitarwa.
Cikakken Matakai
- Haɗa DV son zuciya voltage tsakanin VCC da GND fil.
- Haɗa fil ɗin OUT zuwa voltmeter na dijital ko oscilloscope.
- Koma zuwa takardar bayanan samfurin don cikakken aikin fil.
- Tambaya: Ta yaya zan yi iko da hukumar tantancewa?
- A: Ƙaddamar da allo ta hanyar haɗa madaidaicin DV voltage tsakanin VCC da GND fil.
- Tambaya: Menene zan haɗa don saka idanu akan fitarwa?
- A: Haɗa fil ɗin OUT zuwa voltmeter na dijital ko oscilloscope don saka idanu akan fitarwa.
- Tambaya: A ina zan iya samun cikakken bayanin fil?
- A: Koma zuwa takardar bayanan samfur don cikakkun bayanan aikin fil.
BAYANI
An ƙera hukumar tantancewar CTD221-BB-1.5 don ƙaddamar da iyawar ji na yanzu na firikwensin maganadisu na layi na CT220 daga Allegro MicroSystems. CT220 firikwensin halin yanzu mara lamba ne dangane da fasahar XtremeSense™ tunnel magnetoresistance (TMR). Yana da fasalin tsarin gada mai cike da gada wanda ya ƙunshi abubuwan TMR guda huɗu waɗanda aka haɗa su tare da kewayen CMOS mai aiki, yana ba shi damar samun babban ƙuduri da ƙaramar amo a cikin ƙaramin sawun fakiti. Wannan jagorar mai amfani yana bayyana yadda ake haɗawa da amfani da allon ƙima na CTD221-BB-1.5.
SIFFOFI
- Kewayon filin: ± 1.5mT
- Riba: 300mV/V/mT
- 3V zuwa 5V samar da wutar lantarki
ABUN KIMANIN HUKUMAR HUKUNCI
Bayanan Bayani na CTD221-BB-1.5
Tebur 1: CTD221-BB-1.5 Kanfigareshan Hukumar Kulawa
| Kanfigareshan Suna | Lambar Sashe | B-Filin | Riba |
| CTD221-BB-1.5 | Saukewa: CT220BMV-IS5 | ± 1.5mT | 300mV/V/mT |
Table 2: Gabaɗaya Bayani
Ƙayyadaddun bayanai |
Min. | Buga | Max. | Raka'a |
| Input Aiki Voltage | 3 | 3.3 | 5 | V |
| Mitar yanke (3 dB) | - | 10 | - | kHz ba |
| Yanayin Aiki | -40 | - | 85 | °C |
AMFANI DA HUKUMAR AMINCI
Wannan sashe yana ba da ƙarewaview na hanyoyin haɗin kai da zaɓuɓɓukan daidaitawa na kwamitin kimantawa na CTD221-BB-1.5. Kowace rukunin haɗin da aka haskaka a cikin hoto 2 yana da daki-daki sashe a ƙasa. Takardar bayanan samfurin ya ƙunshi cikakkun bayanai game da amfani da aikin kowane fil kuma ya kamata a tuntuɓi don ƙarin cikakkun bayanai fiye da abin da ke cikin wannan jagorar mai amfani.
Ana amfani da hukumar tantancewa ta hanyar haɗa madaidaicin DV voltage tsakanin VCC da GND fil akan PCB. Ya kamata a haɗa fil ɗin OUT na PCB zuwa na'urar voltmeter na dijital (DVM) ko oscilloscope don saka idanu da fitarwa na firikwensin CT220 na yanzu. Bayanan da ke cikin wannan sashe shine don 5V bias voltage.
Yanayin Karancin Yanzu
A cikin ƙananan yanayin halin yanzu, halin yanzu yana wucewa ta hanyar alama mai faɗin 0.9 mm akan saman Layer na PCB. Ana iya amfani da wannan yanayin don auna ma'auni a cikin kewayon ± 3.85 A. Tsabtace tsakanin alamar da IC pads shine 0.35 mm, wanda ke ba da warewa na 1 kV tsakanin alamar halin yanzu da SOT23 fil. Bugu da ƙari ga ingantacciyar layi a cikin zafin jiki, babban siginar-zuwa-amo rabo (SNR) na CT220 yana ba shi damar auna ƙananan igiyoyin ruwa. CTD221 na iya gano igiyoyin ruwa kamar ƙasa da 5 mA.
Matsakaici-Yanayin Yanzu
A cikin yanayin matsakaita na yanzu, na yanzu yana wucewa ta hanyar alama mai faɗin mm 2 akan layin ƙasa na PCB. Wannan mafi fa'ida (idan aka kwatanta da ƙananan yanayin halin yanzu) yana ba da damar gano mafi girman halin yanzu. Ana iya amfani da wannan yanayin don auna igiyoyin ruwa na ± 10 A, tare da ikon warwarewa a cikin matakan 10 mA. Warewar CT220 don wannan tsarin shine 5.1 kVrms saboda nisa tsakanin alamar ƙasa da fitilun SOT23 shine 1.6 mm.
Babban Yanayin Yanzu
Ana amfani da yanayin babban-yanzu don aikace-aikacen da suka haɗa da igiyoyin ruwa masu girma da yawa don wucewa ta cikin alamun PCB. A cikin wannan yanayin, halin yanzu yana wucewa ta hanyar bas ɗin jan ƙarfe. Motar motar tana da faɗin 1/2” da kauri 1/16. Mai amfani yana da sassauƙa don daidaita nisan mashin ɗin daga saman saman PCB ta amfani da filastik, wanki mai jure zafin jiki. Ana jigilar hukumar tantancewar CTD221 tare da masu sarari don kiyaye tazarar mm 4 tsakanin PCB da mashin bas. Tare da wannan saitin, ana iya amfani da CTD221 don auna igiyoyin ruwa a cikin cikakken kewayon 50 A kuma don auna igiyoyi a cikin kewayon ± 50 A tare da ƙudurin 50 mA. Tare da tazara ta mm 4 tsakanin CT220 da motar bas, keɓewa voltage ya wuce 5.1 kVrms a cikin babban yanayin halin yanzu.
SCHEMATIC
An nuna tsarin hukumar tantancewar CTD221-BB-1.5 a hoto na 3.
LAYOUT
Ana nuna saman saman da kasa na kwamitin kimantawa na CTD221-BB-1.5 a cikin Hoto na 4 da Hoto na 5.
BAYANIN KAYAN KAYA
Tebur 3: CT220BMV-IS5 Sigar Ƙimar Hukumar Ƙididdigar Materials
| Mai tsarawa | Yawan | Bayani | Mai ƙira | Lambar Bangaren Mai ƙira |
| KAYAN LANTARKI | ||||
| - | 1 | Saukewa: CTD221-BB-1.5 | Allegro MicroSystems | - |
| U$3 | 1 | Sensor CT220 | Allegro MicroSystems | - |
| Tuta, GND, VOUT, FILTER | 1 | Namiji Mai Haɗin Kai | Samtec | Saukewa: TSW-104-07-FS |
| GND, VCC | 1 | Namiji Mai Haɗin Kai | Samtec | Saukewa: TSW-102-07-FS |
| C1 | 1 | Capacitor, yumbu, 1.0 µF, 25 V, 10% X7R 0603 | TDK | Saukewa: MSAST168SB7105KTNA01 |
| C2 | 1 | Capacitor, yumbu, 150 pF, 1 kV, 10% X5F 0603 | Vishay | Saukewa: 562R10TST15 |
| R1 | 1 | Resistant, 105 kΩ, 1/10 W, 1% 0603 | Vishay | Saukewa: TNPW0603105KBEEA |
| SAURAN ABUBUWA | ||||
| - | 1 | Busbar (1/2 "nisa, 1/16" kauri) | - | - |
| - | 4 | Masu Haɗawa | Keystone Electronics | 36-7701-ND |
| - | 4 | M3x6mm Metal Screws don Haɗi Heads | UXCell | a15120300ux0251 |
| - | 2 | Filastik High Temperate Screws don Busbar | Misumi | Saukewa: SPS-M5X15-C |
| - | 2 | Filastik Babban Zazzabi na Kwayoyi don Bar Bus | Misumi | SPS-M5-N |
| - | 2 | Filastik Maɗaukakin Zazzabi Washers na Busbar | Misumi | SPS-6-W |
HANYOYI masu alaƙa
Saukewa: CT220 Webshafi: https://www.allegromicro.com/en/products/sense/current-sensor-ics/sip-package-zero-to-thousand-amp-sensor-ics/ct220
Tarihin Bita
| Lamba | Kwanan wata | Bayani |
| - | Satumba 11, 2024 | Sakin farko |
Haƙƙin mallaka 2024, Allegro MicroSystems.
- Allegro MicroSystems yana da haƙƙin yin, daga lokaci zuwa lokaci, irin wannan tashi daga ƙayyadaddun ƙayyadaddun bayanai kamar yadda ake buƙata don ba da izinin haɓaka aiki, aminci, ko ƙirƙira samfuran sa.
- Kafin yin oda, ana gargaɗi mai amfani don tabbatar da cewa bayanin da ake dogara dashi na yanzu.
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Ana ɗaukar kwafin wannan takaddun takaddun marasa sarrafawa.
- Allegro MicroSystems 955 Perimeter Road
- Manchester, NH 03103-3353 Amurka
- www.allegromicro.com
Takardu / Albarkatu
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ALLEGRO microSystems CT220 Sensor Magnetic na Litattafai [pdf] Jagorar mai amfani CT221-BB-1.5, CT220BMV-IS5 |
