Pmod ISNS20

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Pmod ISNS20
20A Current Sensor
Features
  • High accuracy current sensor
  • Measure current with 120Hz/20kHz/80kHz jumper selections
  • ±20A DC or AC input
  • Accurate to within ±2%
  • 12-bit ADC
  • 6-pin Pmod port with SPI interface
Electrical
Bus
SPI
Logic Level
3.3V
Physical
Width
1.3 in (3.30 cm)
Length
0.80 in (2.03cm)
Design Resources
Fritzing Part
Documentation
Primary IC
ACS722, ADCS7476
Reference Manual
Schematic
J1 Pinout
Pin 1
CS
Pin 2
NC
Pin 3
MISO
Pin 4
CLK
Pin 5
GND
Pin 6
VCC
Applications
  • Current measurement
  • Power metering
  • Closed loop current control
  • Over-current protection

The Digilent PmodISNS20 (Revision A) 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 PmodISNS20 is quick, accurate, and easy to use for a variety of applications.



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