Current sensor ACS714 5A +5A module Pololu
Current sensor ACS714 5A +5A module Pololu
Current sensor ACS714 5A +5A module Pololu
Czujnik prądu ACS714 -30A do +30A  - moduł Pololu
Current sensor ACS714 5A +5A module Pololu - zdjęcie 1
Current sensor ACS714 5A +5A module Pololu - zdjęcie 2
Current sensor ACS714 5A +5A module Pololu - zdjęcie 3
Czujnik prądu ACS714 -30A do +30A  - moduł Pololu - zdjęcie 4

ACS714 current sensor -30A to + 30A - Pololu 1187

Index: PLL-00524

Current sensor working in the range of +/-30 A, based on the Hall effect. The output is an analog voltage. Supply voltage is from 4.5 V to 5.5 V.

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Manufacturer: Pololu

Product description: current sensor ACS714

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.

Connection method of the current sensor ACS714

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 66 mV at 1 A when the strength of the measured current is positive, otherwise, it decreases.

Czujnik prądu ACS714

The main characteristics of the current sensor ACS714

  • The system is designed for current flowing in both directions (from -30A to 30A)
  • 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.

Additional filtering

The chip has an internal resistance filter of 1.7 kΩ, 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))

 

where Cf is the capacitance of the capacitor soldered into the "filter" pins.

Scheme

Schemat podłączenia czujnika prądu ACS714

Technical characteristics of the current sensor ACS714

  • Supply voltage of the logic part: 4.5 V to 5.5 V
  • Current consumption of the logic part: 13 mA
  • Sensitivity for power supply of 5 V: 0,066 V/A
  • Weight of the module - 1.3 g
  • Dimensions: 18 x 20.5 mm

 

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The time of payment depends on the ELIXIR's hours session of the sender's bank and the recipient of the transfer. It may take up to 2-4 working days.

Free delivery for orders exceeding 300 PLN!

Only for prepaid orders shipped to Poland.

Terms of delivery outside of Poland

GLS - zone 1

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

  • Delivery time: 2-4 days
  • Delivery cost: 35 PLN
  • Insurance: 5000 PLN
GLS - zone 2

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

  • Delivery time: 2-5 days
  • Delivery cost: 50 PLN
  • Insurance: 5000 PLN
Kurier GLS - zone 3

Finland, Greece, Ireland, Sweden, Cyprus, Malta, Spain

  • Delivery time: 2-7 days
  • Delivery cost: 80 PLN
  • Insurance: 5000 PLN

Terms of delivery in Poland

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Poczta Polska
  • Delivery time: 1-3 days
  • Payment in advance: od 9,90 PLN
  • Cash on delivery: 17,90 PLN
  • Insurance: 1000 PLN
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Kurier GLS
  • Delivery time: 1-2 days
  • Payment in advance: od 14,90 PLN
  • Cash on delivery: 22,90 PLN
  • Insurance: 6000 PLN
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  • Delivery time: 1-3 days
  • Payment in advance: od 12,90 PLN
  • Over 8000 parcel lockers
  • Insurance: 200 PLN
  • Free delivery of orders over 300 PLN does not apply to parcels addressed outside of Poland.
  • The delivery period is counted in working days from the date of dispatch of the order.

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