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ACHS-7125 Current Sensor Carrier: from -50A to +50A
This board is a simple carrier of Allegro's +- 50 A ACHS-7125 Hall effect-based linear current sensor with overcurrent fault output, which offers a low-resistance (~1.1 mΩ) current path and electrical isolation up to 100 V.
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A module with an ACHS-7125 current sensor operating based on the Hall effect, which allows for a minimum resistance of 0.7 mΩ and electrical insulation up to 3 kV. The sensor measures the current in the range from -50 A to 50 A. The output signal is an analog signal whose voltage corresponds to the measured current. A voltage of 2.5 V corresponds to a current of 0 A, and each change in this voltage by 40 mV corresponds to 1 A of the measured current. The sensor is designed to work with microcontrollers operating at 5 V.
Features:
- Producer: Pololu
- Manufacturer's number: ACHS-7125
- Supply voltage: 4.5÷5.5 VDC
- Measuring range: ±50 A
- Electrical resistance: 0.7 mΩ
- Electrical insulation: up to 3 kV
- Current measurement sensitivity: 0.04 V/A
- Interface: analog signal
- Connection method: serial
- Tolerance of current surges up to 100 A lasting no longer than 100 ms
- Operating temperature: -40 ÷ +110°C
- Dimensions: 17.8 x 20.3 mm
- Weight: 1.5 g
Included:
- Module with the ACHS-7125 system
- goldpin connector
