Manufacturer Part Number
ACS725LLCTR-40AB-T
Manufacturer
Allegro MicroSystems
Introduction
The ACS725LLCTR-40AB-T is a high-precision, fully integrated, Hall effect-based linear current sensor from Allegro MicroSystems, designed for automotive and industrial applications.
Product Features and Performance
Wide operating temperature range of -40°C to 150°C
Measures both AC and DC currents up to 40A
Ratiometric voltage output with high linearity of ±1.5%
Fast response time of 4 μs
Bidirectional current sensing capability
Operates on a supply voltage of 3V to 3.6V
Low current consumption of 14mA (max)
Excellent accuracy of ±1%
Wide frequency bandwidth of DC to 120kHz
Product Advantages
Compact 8-SOIC surface mount package
Robust and reliable design for harsh environments
Excellent thermal stability and immunity to external magnetic fields
Enables precise current monitoring and control in various applications
Key Technical Parameters
Voltage Supply: 3V ~ 3.6V
Operating Temperature: -40°C ~ 150°C
Linearity: ±1.5%
Frequency: DC ~ 120kHz
Sensor Type: Hall Effect, Differential
Current Sensing: 40A
Current Supply (Max): 14mA
Accuracy: ±1%
Response Time: 4μs
Polarization: Bidirectional
Number of Channels: 1
Mounting Type: Surface Mount
Quality and Safety Features
RoHS3 compliant
AEC-Q100 qualified for automotive applications
Robust design for harsh environments
Compatibility
This current sensor is compatible with a wide range of automotive and industrial applications that require precise current monitoring and control.
Application Areas
Automotive systems (e.g., battery management, motor control, power steering)
Industrial equipment (e.g., power supplies, motor drives, robotics)
Renewable energy systems (e.g., solar inverters, wind turbine controllers)
General purpose current monitoring and control applications
Product Lifecycle
The ACS725LLCTR-40AB-T is an active product and is not nearing discontinuation. Allegro MicroSystems continues to provide support and offer compatible or upgraded versions for this product line.
Key Reasons to Choose This Product
High-precision and wide-ranging current sensing capabilities (up to 40A)
Fast response time and excellent linearity for accurate current monitoring
Robust and reliable design for operation in harsh environments
Compact surface mount package and low power consumption for efficient system integration
Automotive and industrial-grade quality and safety features for critical applications
Compatibility with a wide range of applications and the availability of ongoing support and upgrades.
ACS72981ELRATR-200U3ALLEGRO