Current Sensor 100A 1 Channel Hall Effect, Open Loop Bidirectional 5-CB Formed Leads,
PFF
The ACS758LCB-100B-PFF-T is a fully integrated Hall-effect current sensor IC from Allegro MicroSystems, designed for accurate and electrically isolated measurement of both AC and DC currents up to ±100 A. It incorporates a precision Hall sensing element positioned near a low-resistance copper current conductor, producing an analog output voltage proportional to the sensed current. The device offers galvanic isolation between the current path and signal pins, making it ideal for high-voltage and high-current applications such as motor drives, power supplies, inverters, battery management systems, and overcurrent protection circuits.
Key Features
Hall-effect based current sensing for AC and DC currents up to ±100 A
Galvanic isolation between current conductor and signal circuitry
120 kHz typical bandwidth for fast current measurement
3 µs typical response time to step current changes
20 mV/A typical sensitivity
Ultra-low 100 µΩ internal conductor resistance for minimal power loss
Factory-trimmed gain and offset for improved accuracy
Typical total output error of 2.4% over temperature
Integrated electrostatic shield for improved immunity to high dV/dt and electrical noise
Single-supply operation from 3.0 V to 5.5 V
High reliability monolithic Hall IC architecture
AEC-Q100 qualified for automotive applications
Operating temperature range of -40°C to +150°C
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