ACS781LLRTR-100U-T - Allegro MicroSystems

Manufacturer Part Number

ACS781LLRTR-100U-T

Manufacturer

Allegro MicroSystems

Introduction

High-Accuracy, Fully Integrated, Hall-Effect-Based Linear Current Sensor IC with 100 Amp Bidirectional Current Sensing

Product Features and Performance

High Accuracy: ±1.5% Total Error

High Bandwidth: DC to 120 kHz

Fast Response Time: 3.6 μs

Extremely Low Noise: 10 mVRMS

Ratiometric Analog Voltage Output

100 Amp Bidirectional Current Sensing

Wide Operating Voltage: 3 V to 3.6 V

Wide Operating Temperature: -40°C to 150°C

AEC-Q100 Qualified for Automotive Applications

Product Advantages

Highly accurate and linear current sensing

Excellent noise immunity and rejection of external magnetic fields

Compact, surface-mount package

Key Technical Parameters

Manufacturer Part Number: ACS781LLRTR-100U-T

Voltage Supply: 3 V to 3.6 V

Current Sensing Range: ±100 A

Linearity Error: ±1%

Frequency Bandwidth: DC to 120 kHz

Response Time: 3.6 μs

Sensitivity: 26.4 mV/A

Accuracy: ±1.5%

Quality and Safety Features

RoHS3 Compliant

AEC-Q100 Qualified

Compatibility

Compatible with a wide range of automotive and industrial applications requiring high-accuracy, high-bandwidth current sensing

Application Areas

Electric vehicles

Motor control

Battery management systems

Power supplies

Industrial automation

Overcurrent detection

Product Lifecycle

This product is currently available and not nearing discontinuation.

Replacement or upgraded models may become available in the future as technology advances.

Key Reasons to Choose This Product

Highly accurate and linear current sensing with low noise

Fast response time and wide bandwidth for dynamic applications

Compact, surface-mount package for space-constrained designs

Wide operating voltage and temperature range for versatile use

AEC-Q100 qualification for automotive and industrial reliability