Sensore corrente DC 0-30A 0-30V integrato ACS715 0-5V Arduino compatibile
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  • Sensore corrente DC 0-30A 0-30V integrato ACS715 0-5V Arduino compatibile

Sensore corrente DC 0-30A 0-30V integrato ACS715 0-5V Arduino compatibile

13,85 €

Sensore corrente DC ad effetto hall 0-30A tensione carico 0-30V integrato ACS715 uscita in tensione 0-5V Arduino compatibile alimentazione 4,5-5,5V DC.

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MANUALE

Sensore corrente DC ad effetto hall 0-30A tensione carico 0-30V integrato ACS715 uscita in tensione 0-5V Arduino compatibile alimentazione 4,5-5,5V DC.

This current sensor is a carrier board or breakout board for Allegro’s ACS715LLCTR-30A-T Hall effect-based linear current sensor; we therefore recommend careful reading of the ACS715 datasheet (593k pdf) before using this product. The sensor operates at 5 V and has an output sensitivity of 133 mV/A. The board ships fully populated with its SMD components, including the ACS715, as shown in the product picture.

The following list details some of the sensor’s key features:

  • Designed for unidirectional input current from 0 to 30 A, but the sensor will provide meaningful feedback for currents as low as -1.5 A, and the robust IC can survive up to five times the overcurrent condition.

  • Conductive path internal resistance is typically 1.2 mΩ, and the PCB is made with 2- oz copper, so very little power is lost in the board.

  • Use of a Hall effect sensor means the IC is able to electrically isolate the current path from the sensor’s electronics (up to 2.1 kV RMS), which allows the sensor to be inserted anywhere along the current path and to be used in applications that require electrical isolation.

  • 80 kHz bandwith that can optionally be decreased by adding a capacitor across the board pins marked “filter”.

  • High accuracy and reliability: typical total output error of ±1.5% at room temperature with factory calibration, an extremely stable output offset voltage, and almost zero magnetic hysteresis.

  • Automotive-grade operating temperature range of -40°C to 150°C.

The pads are labeled on the bottom silkscreen, as shown in the picture to the right. The silkscreen also shows the direction that is interpreted as positive current flow via the +i arrow. This version is marked with a black X. We also sell a ±5A bidirectional version and a ±30A bidirectional version of this board; you can distinguish these versions by reading the text on the IC or by looking at the color of the X on the bottom silkscreen.

Electrical connections The sensor requires a supply voltage of 4.5 V to 5.5 V to be connected across the Vcc and GND pads, which are labeled on the bottom silkscreen. The sensor outputs an analog voltage that is linearly proportional to the input current. When Vcc is 5 V, this output voltage is offset by 500 mV and increases by 133 mV per amp of input current. The output voltage decreases linearly below 500 mV for currents as low as -1.5 A.

Produttore

POLOLU

Tipo di sensore

corrente

Tensione di alimentazione

4.5...5.5V DC

Circuito integrato

ACS715

Ambito di misurazione della corrente DC

0...30A

Sensibilità del rilievo di corrente

0.133V/A

Dimensioni della piastrina

17.8 x 20.3mm

Informazioni

Il prodotto non è un dispositivo completo, è solo un componente

Informazioni aggiuntive

  • Peso lordo: 2.7 g

POLOLU-1186
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