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ACS750 Current Sensor
ACS750LCA-075/ECA100 Data Sheet (PDF) ACS750LCA-050 Data Sheet (PDF) Isolated Open Loop Current Sensing Using Hall Effect Technology in an Optimized Magnetic Circuit (PDF) Selection Guides:
Current Sensor Modules ,Hall-Effect Sensors
when this product is updated Press Releases: Allegro
Features and Benefits
q
Monolithic Hall IC for High Reliability q ACS750LCA-050: ±50 A up to 150°C q ACS750LCA-075: ±75 A up to 150°C q ACS750ECA-100: ±100 A up to 85°C q Ultra-low Power Loss: Resistance = 120 micro-ohms
q No Trimming Required in the Application q Factory Trimmed for Gain and Offset q Linearity > 98.5%
q Very Low Thermal Drift of Offset Voltage q 13 kHz Bandwidth q 5 V Operation
q Ratiometric Output from Supply Voltage q On-chip transient protection
Description
The Allegro Current Sensor provides an economical and precise solution for current sensing in automotive and industrial systems, packaged for easy
implementation. Typical applications include motor control, load management, switched mode power supplies and over-current fault protection.
The sensor consists of a precision linear Hall IC optimized to an internal magnetic circuit to increase device sensitivity. A combination of a precisely controlled self-aligning assembly process (patents pending) and the factory programmed precision of the linear Hall sensor result in high level performance and product uniformity.
The power lead frame used for current sensing (pins 4 and 5) is designed for extremely low power loss. The power leads are also electrically isolated from the sensor leads (pins 1 – 3). This isolation allows the Allegro Current Sensor to be used in applications requiring electrical isolation without the use of opto-isolators or other isolating feedback techniques.
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