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ALLEGRO MICROSYSTEMS ACS770LCB-100B-PFF-T

Current Sensor, Bidirectional, ± 0.5%, PFF, 5 Pins

ALLEGRO MICROSYSTEMS ACS770LCB-100B-PFF-T

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Manufacturer Part No:
ACS770LCB-100B-PFF-T
Order Code:
3224919
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Product Range
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ECAD / MCAD
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Product Overview

ACS770LCB-100B-PFF-T is a thermally enhanced, fully integrated, hall-effect-based high-precision linear current sensor IC. It 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 device 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 that is concentrated by a low magnetic hysteresis core, then converted by the Hall IC into a proportional voltage. Device accuracy is optimized through the close proximity of the magnetic signal to the Hall transducer. A precise, proportional output voltage is provided by the low-offset, chopper-stabilized BiCMOS Hall IC, which is programmed for accuracy at the factory.
  • Bidirectional current directionality, ±100A primary sampled current
  • Internal bandwidth is 120KHz typical at (-3dB; TA = 25°C, CL = 0.47nF)
  • Sensitivity is 20mV/A typ (measured using full-scale IP, TA = 25°C)
  • Industry-leading noise performance through proprietary amplifier and filter design techniques
  • 4.1µs output rise time in response to step input current
  • Small package size, with easy mounting capability, monolithic hall IC for high reliability
  • Ultralow power loss is 100µohm internal conductor resistance, extremely stable output offset voltage
  • Galvanic isolation allows use in economical, high-side current sensing in high-voltage systems
  • Output voltage proportional to AC or DC currents, factory-trimmed for accuracy
  • 5 pin PFF package, operating temperature range from -40 to 150°C

Product Information

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:
120kHz

:
Bidirectional

:
± 0.5%

:
PFF

:
PFF

:
5Pins

:
4.5V

:
5.5V

:
4.8kVrms

:
Through Hole

:
-40°C

:
150°C

:
-

:
AEC-Q100

:
MSL 3 - 168 hours

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Technical Documents (2)

Packaging type Cut Tape

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