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
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