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ACHS-7122 Current Sensor Carrier -20A to +20A

ACHS-7122 Current Sensor Carrier -20A to +20A
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  • Pololu
  • EXP-R25-1383
  • 4031
  • 2
  • US
  • 85322200
  • 0.001
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This board is a simple carrier of Broadcom’s ±20A ACHS-7122 Hall effect-based linear current... more

This board is a simple carrier of Broadcom’s ±20A ACHS-7122 Hall effect-based linear current sensor, which offers a low-resistance (~0.7 mΩ) current path and electrical isolation up to 3 kV RMS. This version accepts a bidirectional current input with a magnitude up to 20 A and outputs a proportional analog voltage (100 mV/A) centered at 2.5 V with a typical error of ±1.5%. It operates from 4.5 V to 5.5 V and is intended for use in 5 V systems.

Specifications:

  • Current sense: 0.100 V/A
  • Minimum logic voltage: 4.5 V
  • Maximum logic voltage: 5.5 V
  • Supply current: 15 mA
  • Version: -20A to +20A
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