ACS724 current sensor carrier -30A to +30A - Pololu 4047

Index: PLL-23638
The ACS724 module is a compact sensor that offers precise current measurement in the range from -30 A to 30 A. It has a low internal resistance of approximately 1.2 mΩ, electrical insulation up to 2.4 kV , and generates an analog voltage proportional to the input current. It is an ideal solution for current monitoring in many electronic applications.
ACS724 current sensor carrier -30A to +30A - Pololu 4047
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Manufacturer: Pololu

Product description: ACS724 current sensor -30 A to +30 A - Pololu 4047

The ACS724 current sensor module from Pololu offers precise current measurement in the range from -30 A to 30 A , thanks to the use of technology based on the Hall effect . One of the characteristic features of this sensor is its low internal resistance of approximately 1.2 mΩ , which ensures minimal power loss. Additionally, electrical isolation up to 2.4 kV RMS allows the module to be safely used in various environments and applications that require galvanic separation. The module generates an analog output voltage proportional to the input current - 66 mV / A for a supply voltage of 5 V and operates in a wide operating temperature range from -40°C to 150°C .

A green Pololu current sensor module lies on a white background. ACS724 current sensor -30 A to +30 A - Pololu 4047.

The Pololu current sensor lies on a white background. The device contains electrical insulation of 2.4 kV RMS.

Main features of the sensor

  • It allows precise measurement of bidirectional currents in the range from -30 A to 30 A
  • It offers a low current path resistance of approximately 1.2 mΩ, which results in low power losses
  • Provides electrical insulation up to 2.4 kV RMS
  • Generates an output voltage proportional to the input current - 66 mV / A for a supply voltage of 5 V
  • It operates on a passband of 120 kHz
  • It operates in a voltage range of 4.5V to 5.5V, with 5V being the preferred voltage
  • Enables direct soldering of wires to the sensor or use of solderless connectors

Current sensor applications

The ACS724 sensor module is used to monitor current values in many electronic systems and to detect failures or dangerous situations related to current overloads.

The green Pololu current sensor module lies upside down on a white background. The current sensor is suitable for monitoring the current in various electrical systems.

Described sensor pins. Current sensor pins.

Current sensor pins

  • IP+ (positive current input) : pin intended for connection to the positive side of the circuit, through which current flows, in order to monitor it.
  • IP- (negative current input) : a pin intended to be connected to the negative side of a circuit through which current flows for the purpose of monitoring it.
  • VCC (logic power supply) : used to connect the supply voltage for the current sensor measurement system. The supply voltage should be between 4.5 V and 5.5 V.
  • OUT : output of the system from which an analog voltage proportional to the measured current is read. This signal can be further processed or used for direct current monitoring.
  • GND : system ground.

Technical specifications of the sensor

  • Built-in system: Allegro ACS724LLCTR-30AB
  • Current measurement range: -30 A to 30 A
  • Passband: 120 kHz
  • Operating voltage range: from 4.5 V to 5.5 V, standard 5 V
  • Sensor sensitivity for 5 V voltage: 66 mV / A
  • Internal resistance: approximately 1.2 mΩ
  • Electrical insulation: up to 2.4 kV RMS
  • Operating temperature range: from -40°C to 150°C
  • Dimensions: 17.8 x 20.3 mm

A current sensor with a set of pins to be soldered lies on a white background. The product has a built-in ACS724LLCTR-30AB system.

Package width 7.5 cm
Package height 8.5 cm
Package depth 0.5 cm
Package weight 0.002 kg

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