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Technology advancements and the evolution of magnetic current sensors over the last two decades have made them a compelling alternative to traditional shunt-based current sensing circuits. With greater efficiency and isolation, higher bandwidths, smaller size and improved overall performance, engineers and designers can quickly and easily integrate these sensors into their electronic systems.
Packaging Innovation: Designers and engineers face the ongoing challenge of creating electronic systems that are both compact and energy-efficient. Allegro's innovative packages, featuring integrated shunt-less sensor solutions, directly address this challenge. By eliminating the need for external shunt resistors and other discrete components, designers and engineers can achieve significant reductions in both component count and overall circuit size while improving efficiency.
The ACS37220 is a high-power-density 200A, 150kHz magnetic current sensor for applications requiring an isolation voltage below 100V.
The ACS37041 current sensor simplifies measurements with a compact SOT23-W package, eliminating external shunt resistors and op-amps.
Hall-Effect Linear Current Sensor with Overcurrent Fault Output for <100 V Isolation Applications
Allegro Device | Evaluation Board(s) Name | Board Description |
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Third party evaluation boards for the ACS37220 product family |
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ACS37220 evaluation board for the ACS37220LEZATR-100B3 (±100A, 3.3V variant) |
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ACS37220 evaluation board for the ACS37220LEZATR-100B5 (±100A, 5V variant) |
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ACS37220 evaluation board for the ACS37220LEZATR-150B3 (±150A, 3.3V variant) |
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ACS37220 evaluation board for the ACS37220LEZATR-150B5 (±150A, 5V variant) |
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ACS37220 evaluation board for the ACS37220LEZATR-200B5 (±200A, 5V variant) |
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Bare board compatible with ACS37041 |
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Third party evaluation board for the ACS71240 (±10A, 3.3V variant) in the “EX” 3x3mm QFN package |
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Bare boards compatible with ACS71240 |
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Third party evaluation board for the ACS711 (±15A variant) in the “EX” 3x3mm QFN package |
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Third party evaluation board for the ACS711 (±12A variant) in the “LC” SOIC-8 package |
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Bare boards compatible with ACS711 |
You can now download the Application Note by clicking the link below