The ACS37220 simplifies high-current sensing in automotive applications, offering ultra-low resistance (<100µΩ) for improved efficiency and an integrated overcurrent fault output for enhanced system protection. Available in QFN and SOICW-6 packages for design flexibility.
Product Details
Product Details
Top Features
- AEC-Q100 Grade 0 qualified
- Small footprint, 4 mm × 4 mm QFN “EZ” package with wettable flank, features overcurrent fault output with user-configurable threshold to provide fast short-circuit detection for enhanced system protection
- Widebody fused-lead SOIC-6 “MZ” package supports a similar Reinforced Isolation rating to comparable SOICW-16 packages in just half the size
Part Number Specifications and Availability
ACS37220 Product Overview
The ACS37220 is a magnetic current sensor offered in a 4x4mm QFN package 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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Technical Documentation
Application Note
Vias-in-Pad Improves Thermal Performance for Allegro Current Sensors
Application Note
Understanding and Minimizing Sensitivity Shifts Due to PCB Layout and Solder Variability for the ACS37220 in EZ Package
Application Note
How to Analyze and Compare Allegro Current Sensor and ADC Error Components
Application Note
AN296316 High Efficiency EZ Package with Ultralow Power Dissipation in a Compact 16 MM2 Footprint
Blog
Magnetic Sensors are a Great Alternative to Traditional Shunt Resistors for Industrial Current Sensing
Guide
ACS37220 EZ Generic Eval Board User Guide
Technical Article
Overcoming Size Challenges in PCB Design with Magnetic Current Sensors
Technical Article
Overcoming Heating Challenges in PCB Design with Magnetic Current Sensors
Technical Article
Overcoming Complexity Challenges in PCB Design with Magnetic Current Sensors
Technical Article