50A Current Sensor

50A Current Sensor

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  • Product Code: BB-ACS756
  • Warranty Period: 12 months
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This is the breakout board for the fully integrated Hall Effect based linear current sensor ACS756. It provides economical and precise solutions for AC or DC current sensing in industrial, automotive, commercial, and communications systems.

Typical applications include motor control, load detection and management, power supplies, and over current fault protection.

The BB-ACS756 comes with one set of Dean-T connector and a 3 ways right angle pin header.
** The connector is not soldered when purchased

  • X050 (50 Amp) version (model: ACS756KCA-050B-PFF-T)
  • Industry-leading noise performance through proprietary amplifier and filter design techniques
  • Total output error 0.8% at TA = 25°C
  • Monolithic Hall IC for high reliability
  • Ultra-low power loss: 130u Ohm internal conductor resistance
  • 3 kV RMS minimum isolation voltage from pins 1-3 to pins 4-5
  • 5.0 V single supply operation
  • 3 μs output rise time in response to step input current
  • 40 mV/A output sensitivity
  • Output voltage proportional to AC or DC currents
  • Factory-trimmed for accuracy
  • Extremely stable output offset voltage
  • Nearly zero magnetic hysteresis
Dimension: 1.43 x 1.435 inch

  1. Current Measuring using BB-ACS756 with SK28A
  2. AmpMeter using SK28A and 7-Segment Display



Hi... If the sensor is not power up, will it caused no current flow on the main circuit? ( Mohamed Faisal bin Abdul Waduth , 07/04/2020 )
Hi, there's still current flow as this sensor is using hall effect. The main connection is still connected. Thanks :) 
Are you planning on restocking anytime soon? ( Hafiz Wahab, 09/12/2018 )
Hi, this item will available in 2 weeks please click on notify me button and we will send you an email notification once we have stock :)
Hello, may i know the mounting hole size? ( Hafiz, 19/09/2018 )
Hi, it M3 mounting hole.
Can I use this sensor for DC current measurement ? ( ella, 25/11/2015 )

Yes, you can.

Hi, may I know if I can measure the current from the 220V AC source going to a load? Can this sensor handle 220V AC? ( Hasan, 05/10/2015 )

Hi, It can measure and handle 220V AC source going to a load. Thanks. :)

what is the max IP and OP voltage that this sensor can handle? ( den, 05/09/2015 )

Hi, According to the datasheet(you can download under "attachment" tab), max supply voltage,Vcc is 5.5V and output,VIOUT is less that Vcc. Thanks. 

can i connect Vcc(BB-ACS756) with my output filter, but for Vout(BB-ACS756) to my arduino. ( faiz, 16/01/2015 )

Vcc should be connected to 5V of Arduino and Vout to Analog input of Arduino :) If you have further inquiry, please do discuss in our technical forum as this section is for short inquiry, thanks :)

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DescriptionDate AddedSizeAction
IC ACS756 Datasheet21/05/2020N/ADownload
BB-ACS756 Schematic21/05/2020N/ADownload
BB-ACS756 Connection Diagram21/05/2020N/ADownload
Fritzing File21/05/2020N/ADownload
Fritzing Tutorial21/05/2020N/ADownload
  • 5 out of 5
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Tags: BB-ACS756, 50A Current Sensor, Sensor, Others 50a, current, sensor, others, bb-acs756