The Digilent Pmod ISNS20 is a small current sense module with a digital SPI interface. The board combines an Allegro ACS722 Hall Effect current sensor with a 12-bit analog-to-digital converter from Texas Instruments. The Pmod ISNS20 is quick, accurate, and easy to use for a variety of applications.

Features Include:

• High accuracy current sensor
• Measure current with 120Hz/20kHz/80kHz jumper selections
• ±20A DC or AC input
• Accurate to within ±2%
• 12-bit ADC
• Small PCB size for flexible designs 1.3 in × 0.8 in (3.3 cm × 2.0 cm)
• 6-pin Pmod connector with SPI interface
• Follows Digilent Pmod Interface Specification Type 2
• Library and example code available in the resource center

Applications:

• Current measurement
• Power metering
• Closed loop current control
• Over-current protection