ACS71240LLCBTR-045B5 - Allegro MicroSystems

Manufacturer Part Number

ACS71240LLCBTR-045B5

Manufacturer

Allegro MicroSystems

Introduction

The ACS71240LLCBTR-045B5 is a high-precision, low-current Hall-effect-based linear current sensor IC for measuring AC or DC currents.

Product Features and Performance

Hall-effect sensor for measuring AC or DC currents

Bidirectional current measurement

High accuracy of ±6%

Fast response time of 4μs

Wide operating temperature range of -40°C to 150°C

Integrated overtemperature protection

High-speed PWM output of up to 120kHz

Product Advantages

Excellent linearity of ±1%

Compact 8-SOIC package

Low power consumption of 12mA maximum

RoHS3 compliant

Key Technical Parameters

Voltage supply: 4.5V to 5.5V

Current sensing range: ±45A

Sensitivity: 44.4mV/A

Frequency response: 120kHz

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Overvoltage and overtemperature protection

Compatibility

Suitable for a wide range of applications, including motor control, power management, and industrial automation.

Application Areas

Automotive systems

Industrial automation

Power conversion and management

Robotics

Home appliances

Product Lifecycle

The ACS71240LLCBTR-045B5 is an active product, and Allegro MicroSystems continues to provide support and availability for this part.

Key Reasons to Choose This Product

High accuracy and fast response for precise current monitoring

Wide operating temperature range for demanding environments

Compact size and low power consumption for space-constrained designs

AEC-Q100 qualification for automotive and industrial applications

Excellent linearity and bidirectional current measurement capabilities