Manufacturer Part Number
ACS780LLRTR-050U-T
Manufacturer
Allegro MicroSystems
Introduction
Allegro ACS780 is a high-performance, fully integrated, Hall-effect-based linear current sensor IC with a low-resistance current conductor.
Product Features and Performance
Provides galvanic isolation between the primary and secondary sides
Operates from 4.5 V to 5.5 V supply
Measures DC and AC currents up to 50 A
Excellent linearity ±1%
Wide operating temperature range of -40°C to 150°C
Fast response time of 3.6 μs
Unidirectional polarity detection
Single-channel output
Ratiometric voltage output
Product Advantages
Compact surface-mount package
High accuracy and linearity
Wide operating temperature range
Fast response time
Unidirectional polarity detection
Key Technical Parameters
Voltage Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 150°C
Sensor Type: Hall Effect, Differential
Linearity: ±1%
Frequency: DC ~ 120kHz
Sensing Current: 50A
Supply Current (Max): 15mA
Accuracy: ±1.5%
Response Time: 3.6μs
Number of Channels: 1
Quality and Safety Features
RoHS3 compliant
AEC-Q100 qualified for automotive applications
Compatibility
7-PSOF package for surface-mount installation
Application Areas
Automotive: Electric vehicles, motor control, power management
Industrial: Power supplies, motor control, robotics
Commercial: HVAC, white goods, power tools
Product Lifecycle
The ACS780 is an active product and not nearing discontinuation. Allegro offers replacement and upgrade options as technology advances.
Key Reasons to Choose This Product
High accuracy and linearity for precise current measurement
Wide operating temperature range for diverse applications
Fast response time for dynamic current monitoring
Compact surface-mount package for space-constrained designs
Galvanic isolation and unidirectional polarity detection for safety
AEC-Q100 qualification for automotive reliability
ACS781KLPTRAllegro MicroSystems