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Low Noise, Standalone, Coreless Current Sensor with Overcurrent and Overtemperature Detection

ACS37610

8-Pin-TSSOP-LU-Package, used in the ACS37612 coreless differential current sensor IC

The Allegro ACS37610 current sensor is a game changer for high current sensing applications, eliminating the need for bulky external cores or shields. It’s designed to accurately measure both AC and DC current flowing through busbars or PCBs, making it ideal for a wide range of applications

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Product Detail
Availability
Documentation and Resources

Top Features

Typical Applications

Packaging

Differential Hall-based sensing provides immunity to stray magnetic fields while eliminating large and expensive concentrating cores and shields.
Quick overcurrent and overtemperature fault output ideal for safety critical applications
Wide current sensing range (100 A to >4000 A) with single busbar or PCB design
High customer programmability and lower noise provide high accuracy (<1% typ)
High isolation and reliability is achieved with up to 250 kHz sensor bandwidth

Automotive

High Voltage Traction Motor Inverter
48 V / 12 V Auxiliary Inverter (Starter Generator)
Heterogeneous Redundant Battery Monitoring
Overcurrent Detection
DC/DC Converter
Smart Fuse
Power Distribution Unit (PDU)

Industrial

Switching Power Supplies
DC/DC Converters
DC/AC Inverters
Grid Infrastructure and Power Distribution

The ACS37610 is offered in a low-profile 8-pin surface mount TSSOP package (thin-shrink small outline package, suffix LU) that is ideal for space-constrained applications, while allowing simple surface mount assembly.

LU Package Documentation

ACS37610, a low noise standalone coreless current sensor with overcurrent and overtemperature detection promotional image

ACS37610, a low noise standalone coreless current sensor with overcurrent and overtemperature detection

low noise standalone coreless current sensor with overcurrent fault and overtemperature detection functional block diagram

Part Number Specifications and Availability

ACS37610 Coreless Current Sensor Product Overview

Want to learn more about the ACS37610 coreless current sensor from Allegro? Check out this video for a quick 1-minute introduction.

Documentation and Resources

Documentation

Design Tools

Third Party Design Tools

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All Types Application Note Brochure FAQ Guide

Documents Found: 32

Document Type	Document Name
Application Note	January 31, 2023 PCB Ground Plane Optimization for Coreless Current Sensor Applications
Application Note	ACS37610 Busbar Geometry and Design Techniques for Coreless Differential Current Sensors
Application Note	Transient Current Behavior in Applications using the Allegro Coreless ACS37610 Differential Current Sensor
Application Note	Overcurrent Fault Detection Using ACS37610 Coreless Current Sensor
Application Note	Notched Busbar Design Guidelines For Coreless ACS37610 Differential Current Sensor
Application Note	Crosstalk Error Estimation and Reduction Through Busbar Design for the ACS37610 Coreless Current Sensor
Application Note	Q-Rift PCB Design for ACS37610 Differential Hall Coreless Sensor to Minimize Position Tolerance Error and Improve Thermal Handling
Application Note	Dual-Bridge Design Guidelines for ACS37610S
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	ACS37610 Evaluation Board User Guide

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All Types

All Types Calculator Simulation Tool SPICE Model

Documents Found: 32

Document Type	Document Name
Calculator	Busbar Design for Coreless DC Current Sensors
Simulation Tool	Busbar Notch Field Simulation for AC and DC Coreless Current Sensor
Simulation Tool	Current Sensor Error and Resolution
Simulation Tool	PCB Notch Design for Coreless DC Current Sensor
SPICE Model	ACS LTspice Library

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All Types LiveBench Third Party Tool

Documents Found: 32

Document Type	Document Name
LiveBench	LiveBench Field Current Sensor
Third Party Tool	Suncall Magnetic Sensor Module featuring the ACS37610