{"product_id":"ina228-i2c-85v-20-bit-high-or-low-side-power-monitor-stemma-qt-qwiic-for-adafruit-289","title":"Modulo di monitoraggio della potenza INA228 I2C 85 V a 20 bit high-side\/low-side con connettori compatibili STEMMA QT\/Qwiic","description":"\u003csection data-proengi-detail=\"latest-boards-2-v1\"\u003e\n\u003cp\u003eQuesto modulo breakout basato su INA228 offre il monitoraggio ad alta risoluzione di corrente continua, tensione e potenza per strumentazione embedded, sistemi a batteria, progetti solari e banchi di prova.\u003c\/p\u003e\n\u003ch3\u003eCaratteristiche principali\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIC di monitoraggio: INA228 con ADC delta-sigma a 20 bit\u003c\/li\u003e\n\u003cli\u003eIntervallo di tensione del bus: fino a 85 V CC\u003c\/li\u003e\n\u003cli\u003ePosizione di misura: rilevamento della corrente high-side o low-side\u003c\/li\u003e\n\u003cli\u003eValori rilevati: corrente, tensione del bus, temperatura, potenza, energia e carica accumulata\u003c\/li\u003e\n\u003cli\u003eInterfaccia: I2C con connettori compatibili STEMMA QT\/Qwiic\u003c\/li\u003e\n\u003cli\u003eCompatibilità logica: adatto ai comuni progetti con microcontrollori a 3,3 V e 5 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePrima dell’ordine\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuesto è un modulo INA228 di terze parti e non viene presentato come un prodotto fabbricato da Adafruit.\u003c\/li\u003e\n\u003cli\u003eUtilizzare esclusivamente con circuiti in corrente continua. Verificare nelle immagini del prodotto il valore dello shunt integrato, il limite di corrente continua, la disposizione dei terminali e i pin header inclusi.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cspan style=\"color:rgb(0, 98, 177);font-size:20px;font-family:verdana, geneva, sans-serif\"\u003e\u003cstrong\u003eMonitor di potenza INA228 I2C 85 V, 20 bit, high-side o low-side – STEMMA QT\/Qwiic per Adafruit\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:56px;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:flex;height:56px;box-sizing:border-box' class=\"title--wrap--NWOaiSp description--title--NMh4UiD\" align=\"start\"\u003e\u003cdiv style=\"box-sizing:content-box\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;position:relative;box-sizing:border-box' class=\"extend--wrap--yXwoDbO\" align=\"start\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-height:1200px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"extend--content--VuIQZia\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:944px;overflow:hidden;position:relative;box-sizing:border-box\" class=\"description--product-description--Mjtql28\"\u003e\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cdiv id=\"product-description\" style=\"max-width:944px;overflow:hidden;position:relative;box-sizing:content-box\" class=\"product-description\"\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003eINA228 è un versatile chip per il monitoraggio della potenza che supporta tensioni di modo comune fino a 85 V CC, misure high-side o low-side, un ADC a 20 bit per misure precise dai milliampere agli ampere e un’interfaccia I2C per configurare facilmente avvisi, sovracampionamento, guadagno e altre funzioni.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003eQuesta scheda breakout offre una soluzione precisa e flessibile per la misura della corrente. Consente di misurare la corrente continua high-side o low-side e la tensione del bus, calcolando automaticamente la potenza. Copre ampi intervalli di tensione, corrente e temperatura con una precisione migliore dell’1%, fornendo i dati tramite I2C in un formato semplice da usare.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003eFunziona con microcontrollori compatibili con CircuitPython o Arduino e con computer a scheda singola come Raspberry Pi. Il modulo è compatibile con logica a 3 V o 5 V e può misurare tensioni del bus fino a +85 V CC. Non è adatto alle tensioni in corrente alternata.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003eMolti dispositivi di misura della corrente operano solo low-side, con possibili variazioni del riferimento di massa al variare della corrente. Altre soluzioni, come INA219B, misurano high-side ma richiedono la sostituzione della resistenza shunt per intervalli di corrente diversi. INA228 evita questi limiti: con lo shunt di precisione integrato da 15 mΩ può misurare fino a +85 V e fino a 10 A (circa 10 µA per LSB), oppure 2,75 A continui (circa 2,5 µA per LSB), sia high-side sia low-side.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003eLa tensione ai capi della resistenza shunt integrata da 15 mΩ (0,015 Ω, 0,1%) viene misurata dall’ADC interno a 20 bit. Ciò consente una risoluzione di 10 µA per LSB in modalità ad alta corrente o di 2,5 µA per LSB in modalità a bassa corrente.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003eIn una configurazione high-side è possibile leggere con precisione la tensione del bus e il calcolo della potenza. Per misurare la tensione del bus in una configurazione low-side è necessario interrompere il ponticello tra V+ e VBUS e collegare il pin VBUS al bus di tensione.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"box-sizing:content-box\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px' align=\"start\"\u003e\u003cspan style=\"font-size:18px;font-family:verdana, geneva, sans-serif\"\u003eIl prodotto viene fornito come scheda breakout completamente assemblata con morsettiera da 3,5 mm e pin header. 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