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400kHz High-Accuracy Current Sensor with Pin-Selectable Gains

ACS37002

The ACS37002 offers precise current sensing for high-speed control loops and current monitoring, with pin-selectable gains for design flexibility and a fast overcurrent fault output for system protection.

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Top Features

Typical Applications

Packaging

Wide operating bandwidth 400 kHz
Internal conductor resistance as low as 0.27 mΩ (MC package)
1% Sensitivity error from -40 to 125ºC (KMA version)
Pin-selectable Gain Options (4)
Fast over-current detection 1.5 µs max response time

Onboard chargers (OBC)
Solar Inverters

The ACS37002 is available in three different SOICW-16 packages: LA package is optimized for higher sensitivity and lower noise; MA package provides high isolation of 4.8 kVrms; MC package is our newest package, combining best-in-class conductor resistance of 0.27 mΩ and highest isolation rating of 5 kVrms for applications where ultra-low power loss and high reinforced isolation are needed.

MC Package Documentation

MA Package Documentation

LA Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

Design Tools

Third Party Design Tools

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All Types Application Note Brochure Certificate FAQ Guide Technical Article

Documents Found: 32

Document Type	Document Name
Application Note	CMTI Comparison for Allegro Integrated Conductor Current Sensors
Application Note	How to Analyze and Compare Allegro Current Sensor and ADC Error Components
Application Note	Defining Electrostatic Discharge (ESD) Ratings for Allegro Integrated Current-Sensors
Application Note	Current Sensing in Motor Drives
Application Note	Package Thermal Resistance for Allegro Current Sensors with Integrated Conductors
Application Note	Glossary of Isolation-Related Terms for Integrated Current Sensors
Brochure	xEV Thermal Management System Brochure
Brochure	Brochure: Battery Management Systems
Brochure	Comfort Through Sustainability - Unlock the Power of Heat Pump Innovation
Brochure	Brochure: Solar Energy Harvesting
Certificate	Certificate of Compliance 20200511-E316429
Certificate	Certificate of Compliance 20190906-E316429
Certificate	CB Certificate US-32210-M3-UL
Certificate	CB Certificate US-35763-UL-60950-1
Certificate	Certificate CB US 36315 UL MA Package
Certificate	Certificate CB US 35764 UL MC Package
FAQ	Current Sensors FAQ
Guide	ACS37002 Evaluation Board User Guide
Technical Article	New 400 kHz Current Sensors Enable More Sustainable Designs in Switch-Mode Power Designs
Technical Article	Solar Energy Systems – New Market Trends in Current Sensing
Technical Article	Magnetic Current Sensing Drives Vehicle Electrification

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All Types Gerber File Simulation Tool SPICE Model User Guide Webpage

Documents Found: 32

Document Type	Document Name
Gerber File	ASEK37002 Gerber Files
Gerber File	ASEK37002MC Gerber Files
Simulation Tool	Current Sensor Error and Resolution
SPICE Model	ACS LTspice Library
User Guide	ACS37002 Device Explorer
Webpage	Current Sensor Evaluation Boards Page
Webpage	Packaging
Webpage	Quality

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All Types Third Party Tool

Documents Found: 32

Document Type	Document Name
Third Party Tool	Mikroe Hall Current 16 Click