
Replace the Shunt
Discover Allegro’s magnetic current sensors to make your design challenges easier
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.
- Compact design: The integrated magnetic current sensors are significantly smaller, saving valuable board space and reducing the number of components on the bill of materials.
- Lower heat dissipation: The lower conductor resistance of integrated magnetic current sensors’ lead frames result in cooler system temperatures.
- Simplified design process: By integrating the functionality of a traditional shunt resistor circuit into a single package, Allegro’s technology simplifies component placement and streamlines the design process.
Related Content

Video: ACS37220 Product Overview
The ACS37220 is a magnetic current sensor designed to replace high-power sense resistors in high-current monitoring applications requiring an isolation voltage below 100V. Compared to shunts, this device provides a smaller footprint, higher efficiency and simpler integration.

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Magnetic current sensors provide a compact and efficient alternative to traditional current measurement techniques that significantly reduce the size of components on PCBs, crucial for space-constrained electronic designs.

Article: Next-Generation Current Measurement: Addressing PCB Design Challenges with Magnetic Current Sensors
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ACS37220
Obrázek | Objednací číslo výrobce | Popis | Pro měření | Typ snímače | Měřený proud | Available Quantity | Zobrazit podrobnosti | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | ACS37220LEZATR-100B3 | CURRENT SENSOR HE 100A 7-QFN | DC | Hallův jev | 100A | 3237 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS37220LEZATR-100B5 | CURRENT SENSOR HE 100A 7-QFN | DC | Hallův jev | 100A | 4708 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS37220LEZATR-150B3 | CURRENT SENSOR HE 100A 7-QFN | DC | Hallův jev | 100A | 4194 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS37220LEZATR-150B5 | CURRENT SENSOR HE 150A 7-QFN | DC | Hallův jev | 150A | 5840 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS37220LEZATR-200B5 | CURRENT SENSOR HE 200A 7-QFN | DC | Hallův jev | 200A | 3991 - Immediate | Zobrazit podrobnosti |
ACS711
Obrázek | Objednací číslo výrobce | Popis | Pro měření | Typ snímače | Měřený proud | Available Quantity | Zobrazit podrobnosti | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | ACS711ELCTR-12AB-T | CURRENT SEN HE/OL 12.5A 8-SOIC | AC/DC | Hallův jev, Otevřená smyčka | 12,5A | 15316 - Immediate | Zobrazit podrobnosti |
![]() | ACS711KEXLT-30AU-T | CURRENT SENSOR HE 30A 12-QFN | AC/DC | Hallův jev | 30A | 0 - Immediate | Zobrazit podrobnosti | |
![]() | ![]() | ACS711KEXLT-31AB-T | CURRENT SENSOR HE/OL 31A 12-QFN | AC/DC | Hallův jev, Otevřená smyčka | 31A | 75429 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS711KLCTR-12AB-T | CURRENT SEN HE/OL 12.5A 8-SOIC | AC/DC | Hallův jev, Otevřená smyčka | 12,5A | 19280 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS711KLCTR-25AB-T | CURRENT SENSOR HE/OL 25A 8-SOIC | AC/DC | Hallův jev, Otevřená smyčka | 25A | 52 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS711KEXLT-15AB-T | CURRENT SEN HE/OL 15.5A 12-QFN | AC/DC | Hallův jev, Otevřená smyčka | 15,5A | 47527 - Immediate | Zobrazit podrobnosti |
![]() | ACS711KLCTR-25AU-T | CURRENT SENSOR HE 25A 8-SOIC | AC/DC | Hallův jev | 25A | 0 - Immediate | Zobrazit podrobnosti |
ACS7140
Obrázek | Objednací číslo výrobce | Popis | Pro měření | Typ snímače | Měřený proud | Available Quantity | Zobrazit podrobnosti | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | ACS71240KEXBLT-010B3 | CURRENT SENSOR HE/OL 10A 12-QFN | AC/DC | Hallův jev, Otevřená smyčka | 10A | 7779 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240LLCBTR-010B3 | CURRENT SENSOR HE/OL 10A 8-SOIC | AC/DC | Hallův jev, Otevřená smyčka | 10A | 8405 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240LLCBTR-030B3 | CURRENT SENSOR HE/OL 30A 8-SOIC | AC/DC | Hallův jev, Otevřená smyčka | 30A | 3736 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240KEXBLT-050U5 | CURRENT SENSOR HE/OL 50A 12-QFN | AC/DC | Hallův jev, Otevřená smyčka | 50A | 3778 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240LLCBTR-045B5 | CURRENT SENSOR HE/OL 45A 8-SOIC | AC/DC | Hallův jev, Otevřená smyčka | 45A | 9968 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240LLCBTR-050U5 | CURRENT SENSOR HE/OL 50A 8-SOIC | AC/DC | Hallův jev, Otevřená smyčka | 50A | 3117 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240KEXBLT-010B3-115 | CURRENT SENSOR HE/OL 10A 12-QFN | AC/DC | Hallův jev, Otevřená smyčka | 10A | 5503 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240KEXBLT-030B3 | CURRENT SENSOR HE/OL 30A 12-QFN | AC/DC | Hallův jev, Otevřená smyčka | 30A | 28475 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240KEXBLT-030B5 | CURRENT SENSOR HE/OL 30A 12-QFN | AC/DC | Hallův jev, Otevřená smyčka | 30A | 8819 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACS71240LLCBTR-020U5 | CURRENT SENSOR HE/OL 20A 8-SOIC | AC/DC | Hallův jev, Otevřená smyčka | 20A | 1169 - Immediate | Zobrazit podrobnosti |
Eval Boards
Obrázek | Objednací číslo výrobce | Popis | Platforma | Typ | Funkce | Available Quantity | Zobrazit podrobnosti | |
---|---|---|---|---|---|---|---|---|
![]() | ![]() | MIKROE-6464![]() | HALL CURRENT 20 CLICK | mikroBUS™ Click™ | Snímač | Proud | 11 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACSEVB-EZ7-37220-100B3 | EVAL BOARD FOR ACS37220 100B3 | Snímač proudu | ±100A | Analogový | 4 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACSEVB-EZ7-37220-100B5 | EVAL BOARD FOR ACS37220 100B5 | Snímač proudu | ±100A | Analogový | 9 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACSEVB-EZ7-37220-150B3 | EVAL BOARD FOR ACS37220 150B3 | Snímač proudu | ±150A | Analogový | 9 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACSEVB-EZ7-37220-150B5 | EVAL BOARD FOR ACS37220 150B5 | Snímač proudu | ±150A | Analogový | 3 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACSEVB-EZ7-37220-200B5 | EVAL BOARD FOR ACS37220 200B5 | Snímač proudu | ±200A | Analogový | 4 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACSEVB-LC8-LZ6 | EVALUATION BARE BOARD | Snímač proudu | - | Analogový | 0 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | ACSEVB-EX12 | EVALUATION BARE BOARD | Snímač proudu | - | Analogový | 29 - Immediate | Zobrazit podrobnosti |
![]() | ![]() | MIKROE-2987 | HALL CURRENT 2 CLICK | mikroBUS™ Click™ | Snímač | Magnetický Hallův jev | 1 - Immediate | Zobrazit podrobnosti |