The ACS37612 simplifies high-current sensing with its contactless, coreless design, offering high precision, common-mode field rejection, and a wide sensing range (200A to >1000A).
Product Details
Product Details
Top Features
- Eliminates the need for a concentrator core or a shield
- Contactless, lossless current sensing for applications where current flows through busbar or PCB
- Differential sensing rejects common-mode stray fields
- 3.3 and 5.0 V single supply operation
- Monolithic Hall IC for high reliability with up to 240 kHz sensor bandwidth
- Factory-trimmed sensitivity and offset for improved accuracy
Target Application
Part Number Specifications and Availability
| Samples | Part Composition / RoHS Data | ECAD | ||||||
|---|---|---|---|---|---|---|---|---|
| Factory Programmed | ±400G | 120 | 5 | -40°C to 150°C | View Data | |||
| Factory Programmed | ±135G | 120 | 3.3 | -40°C to 150°C | View Data | |||
| Factory Programmed | ±200G | 120 | 5 | -40°C to 150°C | View Data | |||
| Factory Programmed | ±200G | 120 | 5 | -40°C to 150°C | View Data | |||
| Factory Programmed | ±130G | 120 | 5 | -40°C to 150°C | View Data | |||
| Factory Programmed | +265G | 120 | 5 | -40°C to 150°C | View Data |
Part Number | Programming | Magnetic Field Range (G) | Bandwidth (kHz) | Supply Voltage (V) | Temp. Ranges |
|---|---|---|---|---|---|
| ACS37612LLUATR-005B5 | Factory Programmed | ±400G | 120 | 5 | -40°C to 150°C |
| ACS37612LLUATR-010B3 | Factory Programmed | ±135G | 120 | 3.3 | -40°C to 150°C |
| ACS37612LLUATR-010B5 | Factory Programmed | ±200G | 120 | 5 | -40°C to 150°C |
| ACS37612LLUATR-010B5-C | Factory Programmed | ±200G | 120 | 5 | -40°C to 150°C |
| ACS37612LLUATR-015B5 | Factory Programmed | ±130G | 120 | 5 | -40°C to 150°C |
| ACS37612LLUATR-015U5 | Factory Programmed | +265G | 120 | 5 | -40°C to 150°C |
The ACS3761X Hall-effect sensor IC solution family is a coreless and shield-free solution, reducing BOM and overall inverter size and weight. These differential sensors reject stray magnetic fields, reducing reliance on software. The family is optimized for a large range of currents, 100 A to >4000 A, making it ideal for automotive applications.
Design Tools
ECAD FILE
ACS37612
Calculator
Busbar Design for Coreless DC Current Sensors
Calculator
Coreless PCB Calculator
Gerber File
ASEK37612LU 3.5mm EVB Gerber Files
Gerber File
ASEK37612LU 4.5mm EVB Gerber Files
Gerber File
ASEK37612LU 7mm EVB Gerber Files
Gerber File
ASEK37612LU Busbar EVB Gerber Files
Simulation Tool
Busbar Notch Field Simulation for AC and DC Coreless Current Sensor
Simulation Tool
Current Sensor Error and Resolution
SPICE Model
ACS LTspice Library
Third Party Tool
PCB Notch Design for Coreless DC Current Sensor
Webpage
Software Portal
Technical Documentation
Application Note
PCB Ground Plane Optimization for Coreless Current Sensor Applications
Application Note
Guidelines for Designing a Busbar with Notch for Allegro's ACS37612 Differential Coreless Current Sensor
Application Note
Transient Current Behavior in Applications using the Allegro Coreless ACS37610 Differential Current Sensor
Application Note
Glossary of Isolation-Related Terms for Integrated Current Sensors
Brochure
Brochure: Allegro Coreless Current Sensing
Brochure
Brochure: Battery Management Systems
FAQ
Current Sensors FAQ
Guide
ACS37612 Evaluation Board User Guide
Technical Article
Rethink PCB Current Sensing
Technical Article