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ACS717 and ACS718 Current Sensor ICs

Allegro's ACS717 and ACS718 linear current sensor ICs come in a high-isolation MA package ideal for space-constrained applications

Image of Allegro MicroSystems' ACS717 and ACS718 Current Sensor ICsThe Allegro ACS717 (3.3 V) and ACS718 (5 V) are medium-accuracy current sensor ICs with an 850 µΩ current conductor. They are the first surface mount current sensor ICs with a reinforced isolation rating (565 VRMS or 800 VPEAK) and can withstand up to 4800 VRMS for 60 seconds. The low-profile SOICW-16 package is ideal for space-constrained applications where large current transformers are not able to compete and the surface mount package allows for a lower cost and higher reliability assembly process.

The ACS717 and ACS718 are targeted for the industrial, consumer, and computer (IC&C) market in applications that require high-isolation and low-offset voltage drift with maximum currents up to ±20 A. Applications include white goods, solar inverters, and motor control.

Features and Benefits
  • IEC/UL 60950-1 Ed. 2 certified to:
    • Dielectric strength = 4800 VRMS (tested for 60 seconds)
    • Basic isolation = 1550 VPEAK
    • Reinforced isolation = 800 VPEAK
  • Small footprint, low-profile SOIC16 wide-body package suitable for space-constrained applications that require high-galvanic isolation
  • 0.85 mΩ primary conductor for low power loss and high inrush current withstand capability
  • Low, 350 μARMS/√Hz noise density results in typ. input referred noise of 70 mA (RMS) at max. bandwidth (40 kHz)
  • 3.3 V (ACS717) and 5.0 V (ACS718) single supply operation
  • Output voltage proportional to AC or DC current
  • Factory-trimmed sensitivity and quiescent output voltage for improved accuracy
  • Chopper stabilization results in extremely stable quiescent output voltage
  • Ratiometric output from supply voltage

ACS717

ImageManufacturer Part NumberDescriptionAvailable Quantity
SENSOR CURRENT HALL 10A AC/DCACS717KMATR-10B-TSENSOR CURRENT HALL 10A AC/DC1199 - ImmediateView Details
SENSOR CURRENT HALL 20A AC/DCACS717KMATR-20B-TSENSOR CURRENT HALL 20A AC/DC0View Details

ACS718

ImageManufacturer Part NumberDescriptionAvailable Quantity
SENSOR CURRENT HALL 10A AC/DCACS718KMATR-10B-TSENSOR CURRENT HALL 10A AC/DC473 - ImmediateView Details
SENSOR CURRENT HALL 20A AC/DCACS718KMATR-20B-TSENSOR CURRENT HALL 20A AC/DC2405 - ImmediateView Details
Published: 2015-07-09