Pololu ACS715 current sensor 0 do +30A

Index: PLL-00592

Current sensor operating in the range from 0 to +30 A based on the Hall effect. The output is analogue voltage. Power supply from 4.5 V to 5.5 V.

Pololu ACS715 current sensor 0 do +30A
€7.32 tax excl.
Discontinued product
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Manufacturer: Pololu


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  • Voltage supply of the logical part: 4.5 V to 5.5 V
  • The current consumption of the logical part: 13 mA
  • Sensitivity for 5 V supply: 0.133 V/A
  • Module weight 1.3 g
  • Dimensions: 18 x 20.5 mm

Main features of the module:

  • System designed for up to 30 A
  • Thanks to the system's low resistance (1.2 mΩ )andpower supplies, power losses are very low.
  • Thanks to the Hall effect, current paths are isolated from the logical part.
  • The bandwidth up to 80 kHz can be reduced by adding an optional capacitor.
  • 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 outputs marked as VCC (+) and GND (ground). The output is a voltage signal proportional to the measured current. When the VCC voltage is 5 V, the output value is shifted by 500 mV and increases by 133 mV per 1 A of the measured current.

Additional filtration

The integrated circuit has an internal 1.7 kΩ resistance filterThe circuit board has a 1nF capacitor, which together forms a low-pass filter with a limit frequency of 90 kHz. The user can modify the filter by mounting the capacitor in the outputs byhe's called a "filter." The limit frequency can be calculated from the formula:

Wyprowadzenia modułu z  czujnikiem prądu ACS714

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

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


Package width 0.001 cm
Package height 0.001 cm
Package depth 0.001 cm
Package weight 0.001 kg

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