ALLEGRO microSystems CT220 Sensọ Oofa Laini
- Input Ṣiṣẹ Voltage: 3V - 3.3V
- Igbohunsafẹfẹ Ge (3 dB): 10 Hz
- Iwọn Iṣiṣẹ: Min. 3°C, Iru. 3.3°C
- Jèrè: 300 mV/V/mT
ọja Alaye
CTD221-BB-1.5 Igbelewọn Board ti a ṣe fun a akojopo CT220BMV-IS5 lọwọlọwọ sensọ. O pese awọn asopọ ati awọn aṣayan atunto fun mimojuto iṣelọpọ sensọ.
Awọn ilana Lilo ọja
Pariview ti awọn isopọ ati iṣeto ni
Igbimọ idiyele jẹ agbara nipasẹ sisopọ ojuṣaaju DV voltage laarin awọn VCC ati GND pinni. PIN OUT yẹ ki o sopọ si voltmeter oni-nọmba tabi oscilloscope fun ibojuwo iṣelọpọ.
Awọn Igbesẹ Alaye
- So DV abosi voltage laarin VCC ati GND pinni.
- So PIN OUT pọ si voltmeter oni-nọmba tabi oscilloscope.
- Tọkasi iwe data ọja fun iṣẹ ṣiṣe pin alaye.
- Q: Bawo ni MO ṣe le fi agbara igbimọ igbelewọn?
- A: Fi agbara si igbimọ nipasẹ sisopọ irẹjẹ DV voltage laarin awọn VCC ati GND pinni.
- Q: Kini MO yẹ sopọ lati ṣe atẹle iṣejade?
- A: So PIN OUT pọ si voltmeter oni-nọmba tabi oscilloscope fun ibojuwo iṣẹjade.
- Q: Nibo ni MO le wa alaye pin alaye?
- A: Tọkasi iwe data ọja fun awọn alaye iṣẹ ṣiṣe pin okeerẹ.
Apejuwe
Igbimọ igbelewọn CTD221-BB-1.5 jẹ apẹrẹ lati dinku awọn agbara oye lọwọlọwọ ti sensọ oofa laini CT220 lati Allegro MicroSystems. CT220 jẹ sensọ lọwọlọwọ ti ko ni olubasọrọ ti o da lori imọ-ẹrọ XtremeSense™ eefin magnetoresistance (TMR). O ṣe ẹya iṣeto ni kikun-Afara ti o ni awọn eroja TMR mẹrin mẹrin ti a ṣepọ pẹlu monolithically pẹlu iṣẹ-ṣiṣe CMOS ti nṣiṣe lọwọ, gbigba o lati ni ipinnu giga ati ariwo kekere ni ifẹsẹtẹ idii kekere. Itọsọna olumulo yii ṣe apejuwe bi o ṣe le sopọ ati lo igbimọ igbelewọn CTD221-BB-1.5.
Awọn ẹya ara ẹrọ
- Iwọn aaye: ± 1.5 mT
- Jèrè: 300 mV/V/mT
- 3 V to 5 V ipese agbara
Awọn akoonu igbimọ igbelewọn
CTD221-BB-1.5 igbelewọn
Table 1: CTD221-BB-1.5 Igbelewọn Board atunto
| Iṣeto ni Oruko | Nọmba apakan | B-Field | jèrè |
| CTD221-BB-1.5 | CT220BMV-IS5 | ± 1.5 mT | 300 mV/V/mT |
Table 2: Gbogbogbo ni pato
Sipesifikesonu |
Min. | Iru. | O pọju. | Awọn ẹya |
| Input Ṣiṣẹ Voltage | 3 | 3.3 | 5 | V |
| Igbohunsafẹfẹ Ge (3 dB) | – | 10 | – | kHz |
| Awọn iwọn otutu ti nṣiṣẹ | –40 | – | 85 | °C |
LÍLO ÀGBÀ ÌWÉ
Yi apakan pese ohun loriview ti awọn asopọ ati ki o con-isiro awọn aṣayan ti CTD221-BB-1.5 igbelewọn ọkọ. Ẹgbẹ kọọkan ti awọn asopọ ti o ṣe afihan ni Nọmba 2 ni apakan alaye ni isalẹ. Iwe data ọja naa ni alaye alaye nipa lilo ati iṣẹ ṣiṣe ti PIN kọọkan ati pe o yẹ ki o wa ni imọran fun alaye diẹ sii ju eyiti o wa ninu itọsọna olumulo yii lọ.
Igbimọ idiyele jẹ agbara nipasẹ sisopọ ojuṣaaju DV voltage laarin awọn VCC ati GND pinni lori PCB. PIN OUT ti PCB yẹ ki o sopọ si voltmeter oni-nọmba (DVM) tabi oscilloscope lati ṣe atẹle iṣejade ti sensọ lọwọlọwọ CT220. Awọn data bayi ni yi apakan ni fun a 5 V abosi voltage.
Kekere-Lọwọlọwọ Ipo
Ni ipo kekere lọwọlọwọ, lọwọlọwọ n kọja nipasẹ itọpa jakejado 0.9 mm lori ipele oke ti PCB. Ipo yii le ṣee lo lati wiwọn awọn ṣiṣan ni iwọn ± 3.85 A. Imukuro laarin itọpa ati awọn paadi IC jẹ 0.35 mm, eyiti o pese ipinya ti 1 kV laarin itọpa lọwọlọwọ ati awọn pinni SOT23. Ni afikun si laini laini ti o dara julọ kọja iwọn otutu, ipin ifihan agbara-si-ariwo (SNR) ti CT220 jẹ ki o ṣe iwọn awọn ṣiṣan kekere pupọ. CTD221 le rii awọn ṣiṣan bi kekere bi 5 mA.
Alabọde-Ipo lọwọlọwọ
Ni ipo alabọde-lọwọlọwọ, lọwọlọwọ n kọja nipasẹ itọpa jakejado 2 mm lori ipele isalẹ ti PCB. Itọpa ti o gbooro yii (fiwera si ipo lọwọlọwọ-kekere) ngbanilaaye fun lọwọlọwọ ti o tobi julọ lati rii. Ipo yii le ṣee lo lati wiwọn awọn ṣiṣan ti ± 10 A, pẹlu agbara lati yanju ni awọn igbesẹ 10 mA. Iyasọtọ ti CT220 fun iṣeto yii jẹ 5.1 kVrms nitori aaye laarin itọpa isalẹ ati awọn pinni SOT23 jẹ 1.6 mm.
Ga-Lọwọlọwọ Ipo
Ipo giga-lọwọlọwọ ni a lo fun awọn ohun elo ti o kan ṣiṣan ti o tobi ju lati kọja nipasẹ awọn itọpa PCB. Ni yi mode, awọn ti isiyi ti wa ni koja nipasẹ a Ejò busbar. Busbar jẹ 1/2 "fife ati 1/16" nipọn. Olumulo naa ni irọrun lati ṣatunṣe ijinna ti ọkọ akero lati ori oke ti PCB nipa lilo ṣiṣu, awọn apẹja ti o ni iwọn otutu. Igbimọ igbelewọn CTD221 ti wa ni gbigbe pẹlu awọn alafo lati ṣetọju aafo 4 mm laarin PCB ati ọkọ akero. Pẹlu iṣeto yii, CTD221 le ṣee lo lati wiwọn awọn ṣiṣan ni kikun ti 50 A ati lati wiwọn awọn ṣiṣan ni iwọn ± 50 A pẹlu ipinnu 50 mA kan. Pẹlu aaye aye ti 4 mm laarin CT220 ati busbar, ipinya voltage koja 5.1 kVrms ni ipo giga lọwọlọwọ.
SCHEMATIC
Sikematiki ti igbimọ igbelewọn CTD221-BB-1.5 jẹ afihan ni Nọmba 3.
ÌLÁYÉ
Awọn ipele oke ati isalẹ ti igbimọ igbelewọn CTD221-BB-1.5 ni a fihan ni Nọmba 4 ati Nọmba 5.
OWO TI OWO NIPA
Table 3: CT220BMV-IS5 Version Igbelewọn Board Bill of elo
| Apẹẹrẹ | Opoiye | Apejuwe | Olupese | Olupese Apá Number |
| ELECTRICAL paati | ||||
| – | 1 | CTD221-BB-1.5 EVAL PCB | Allegro MicroSystems | – |
| U$3 | 1 | Sensọ CT220 | Allegro MicroSystems | – |
| Asia, GND, VOUT, FILTER | 1 | Okunrin akọsori Connectors | Samtec | TSW-104-07-FS |
| GND, VCC | 1 | Okunrin akọsori Connectors | Samtec | TSW-102-07-FS |
| C1 | 1 | Kapasito, seramiki, 1.0 µF, 25 V, 10% X7R 0603 | TDK | MSAST168SB7105KTNA01 |
| C2 | 1 | Kapasito, seramiki, 150 pF, 1 kV, 10% X5F 0603 | Vishay | 562R10TST15 |
| R1 | 1 | Alatako, 105 kΩ, 1/10 W, 1% 0603 | Vishay | TNPW0603105KBEEA |
| Awọn ẹya ara ẹrọ miiran | ||||
| – | 1 | Bọsibar (1/2 "iwọn, 1/16" nipọn) | – | – |
| – | 4 | Asopọmọra Heads | Keystone Electronics | 36-7701-ND |
| – | 4 | M3x6mm Irin skru fun Asopọmọra olori | UXCell | a15120300ux0251 |
| – | 2 | Ṣiṣu High otutu skru fun Busbar | Misumi | SPS-M5X15-C |
| – | 2 | Ṣiṣu High otutu Eso fun Busbar | Misumi | SPS-M5-N |
| – | 2 | Ṣiṣu Giga otutu washers fun Busbar | Misumi | SPS-6-W |
Awọn ọna asopọ ti o jọmọ
CT220 Ọja Weboju-iwe: https://www.allegromicro.com/en/products/sense/current-sensor-ics/sip-package-zero-to-thousand-amp-sensor-ics/ct220
Àtúnyẹwò History
| Nọmba | Ọjọ | Apejuwe |
| – | Oṣu Kẹsan Ọjọ 11, Ọdun 2024 | Itusilẹ akọkọ |
Aṣẹ-lori-ara 2024, Allegro MicroSystems.
- Allegro MicroSystems ni ẹtọ lati ṣe, lati igba de igba, iru awọn ilọkuro lati awọn alaye ni pato bi o ti le nilo lati laye awọn ilọsiwaju ninu iṣẹ, igbẹkẹle, tabi iṣelọpọ ti awọn ọja rẹ.
- Ṣaaju ki o to paṣẹ, olumulo ti kilọ lati rii daju pe alaye ti o gbarale jẹ lọwọlọwọ.
- Awọn ọja Allegro ko yẹ ki o lo ni eyikeyi awọn ẹrọ tabi awọn ọna ṣiṣe, pẹlu ṣugbọn kii ṣe opin si awọn ẹrọ atilẹyin igbesi aye tabi awọn ọna ṣiṣe, ninu eyiti ikuna ti ọja Allegro ni a le nireti lati fa ipalara ti ara.
- Alaye ti o wa ninu rẹ ni a gbagbọ pe o jẹ deede ati igbẹkẹle. Sibẹsibẹ, Allegro MicroSystems ko gba ojuse fun lilo rẹ; tabi fun irufin eyikeyi ti awọn itọsi tabi awọn ẹtọ miiran ti awọn ẹgbẹ kẹta eyiti o le waye lati lilo rẹ.
Awọn ẹda ti iwe yii jẹ awọn iwe aṣẹ ti ko ni iṣakoso.
- Allegro MicroSystems 955 Agbeegbe Road
- Manchester, NH 03103-3353 USA
- www.allegromicro.com
Awọn iwe aṣẹ / Awọn orisun
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ALLEGRO microSystems CT220 Sensọ Oofa Laini [pdf] Itọsọna olumulo CTD221-BB-1.5. |
