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ACHS-7123 Current Sensor Carrier -30A to +30A
This board is a simple carrier of Broadcom’s bidirectional ±30A ACHS-7123 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 30 A and outputs a proportional analog voltage (66 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.
Alternatives available with variations in these parameter(s): version Select variant…
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Broadcom ACHS-7121, 7122, and 7123 current sensor datasheet (1MB pdf)
Broadcom ACHS-7124 and 7125 current sensor datasheet (1MB pdf)
Dimension diagram of the ACHS-712x Current Sensor Carriers (318k pdf)
3D model of the ACHS-712x Current Sensor Carriers (3MB step)
Drill guide for ACHS-712x Current Sensor Carriers (42k dxf)
This DXF drawing shows the locations of all of the board’s holes. The through-hole sizes and locations in this file also apply to cs01b versions of the PCB, though some of the via locations are different.