ACS714 current sensor -5A to + 5A - Pololu 1185

Index: PLL-00523 EAN: 5904422365998

Current sensor working in the range of +/-5 A, based on the Hall effect. The output is an analog voltage. Supply voltage is from 4.5 V to 5.5 V.

ACS714 current sensor -5A to + 5A - Pololu 1185
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ACS714 current sensor - amperage:
Manufacturer: Pololu

Czujnik prądu ACS714 Specification

  • Supply voltages of the logic part: 4.5 V to 5.5 V
  • Current consumption of the logical part: 13 mA
  • Sensitivity for power supply of 5V: 0,185 V/A
  • Weight of the module of 1.3 g
  • Dimensions: 18 x 20.5 mm



The module consists of a printed circuit board made for the system Allegro ACS714LLCTR-05B-T. The sensor operates based on the Hall effect. The chip can be powered from a voltage in the range: 4.5 V to 5.5 V.


Basic module features:

  • The system is designed for current flowing in both directions (from -5A to 5A)
  • Due to the low resistance of the system (1.2 mΩ) and channeling, the power losses are very small.
  • Through the use of Hall effect, the current paths are isolated from the logic part.
  • The bandwidth is up to 80 kHz with the possibility of reduction by adding an additional condenser
  • Precision of 1.5% at room temperature.


Connection method

The sensor requires a supply voltage in the range from 4.5 V to 5 V, connected to the pins designated as VCC (+) and GND (ground). The output is a voltage signal proportional to the intensity of the measured current. When the voltage VCC is equal to 5 V, the output is centered on the half, that is 2.5 V. The output value increases by 185 mV at 1 A when the strength of the measured current is positive, otherwise, it decreases.

Wyprowadzenia modułu z  czujnikiem prądu ACS714

Additional filtering

The chip has an internal resistance filter of 1.7, the board has the condenser with the value of 1nF, which together form a low pass filter with cut-off frequency of 90 kHz. The user can change the filter when the capacitor is output onis called "filter". The limit frequency can be calculated by the formula:


F = 1 / (2πRC) = 1 / (11kΩ * (1 nF + Cf))


whereCfis the capacitance of the capacitor soldered into the "filter" pins.




Schemat podłączenia czujnika prądu ACS714




Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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