ACS758

Product Summary

The ACS758 is a current sensor IC provides economical and precise solutions for AC or DC current sensing. Typical applications include motor control, load detection and management, power supply and DC-to-DC converter control, inverter control, and overcurrent fault detection. The ACS758 consists of a precision, low-offset linear Hall circuit with a copper conduction path located near the die. Applied current flowing through this copper conduction path generates a magnetic field which the Hall IC converts into a proportional voltage. The ACS758 accuracy is optimized through the close proximity of the magnetic signal to the Hall transducer.

Parametrics

ACS758 absolute maximum ratings: (1)Forward Supply Voltage, VCC: 8 V; (2)Reverse Supply Voltage, VRCC: -0.5 V; (3)Working Voltage for Reinforced Isolation, VWORKING: 353 VAC; (4)Forward Output Voltage, VIOUT: 28 V; (5)Reverse Output Voltage, VRIOUT: -0.5 V; (6)Output Source Current, IOUT(Source): 3 mA; (7)Output Sink Current, IOUT(Sink): 1 mA; (8)Nominal Operating Ambient Temperature TOP, Range E: -40 to 85℃; Range K: -40 to 125℃; Range L: -40 to 150℃; (9)Maximum Junction, TJ(max): 165℃; (10)Storage Temperature, Tstg: -65 to 165℃.

Features

ACS758 features: (1)Industry-leading noise performance through proprietary amplifier and filter design techniques; (2)Integrated shield greatly reduces capacitive coupling from current conductor to die due to high dV/dt signals, and prevents offset drift in high-side, high voltage applications; (3)Total output error improvement through gain and offset trim over temperature; (4)Small package size, with easy mounting capability; (5)Monolithic Hall IC for high reliability; (6)Ultra-low power loss: 100μΩ internal conductor resistance; (7)Galvanic isolation allows use in economical, high-side current sensing in high voltage systems; (8)3.0 to 5.5 V, single supply operation; (9)120 kHz typical bandwidth; (10)3μs output rise time in response to step input current; (11)Output voltage proportional to AC or DC currents; (12)Factory-trimmed for accuracy; (13)Extremely stable output offset voltage; (14)Nearly zero magnetic hysteresis.

Diagrams