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ACS724LLCTR-50AB Current Sensor Carrier -50A to +50A
This board is a simple compact carrier of Allegro’s ACS724LLCTR-50AB Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~1.2 mΩ) current path and a high 120 kHz bandwidth for fast response times.
| Part Suffix | Range | Sensitivity @ 5 V | Zero Point @ 5 V | Supply Voltage |
|---|---|---|---|---|
| 50AB | ±50 A (bidirectional) | 40 mV/A | 2.5 V | 4.5 V to 5.5 V |
Alternatives available with variations in these parameter(s): current range Select variant…
| Description | Specs (10) | Pictures (9) | Resources (6) | FAQs (0) | On the blog (1) |
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File downloads
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Dimension diagram of the ACS724 Current Sensor Carrier (1MB pdf)
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3D model of the ACS724 Current Sensor Carrier (3MB step)
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Drill guide for ACHS-712x Current Sensor Carriers (17k 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.
Recommended links
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ACS724 datasheet
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Allegro Application Note AN296169: Characterizing System Bandwidth in Complex Current Sensor Applications
This is the application note referenced on page 16 of the ACS724 datasheet, page 22 of the ACS71240 datasheet, and page 42 of the ACS72981xLR datasheet. The ACS720 is used validate the test methods presented, but these same methods and principles would also apply to the ACS724, ACS71240, and ACS72981.
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Allegro product page for the ACS724 Hall-based Current Sensor
Allegro product page for the ACS724, where you can find additional application notes and other resources.
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