0 to 50 A Integrated Conductor Sensor ICs

Allegro offers a unique solution for current sensing through the development of proprietary packaging that employs flip-chip technology. This technology generates excellent magnetic coupling in a core-less package design and provides up to 3000 VRMS galvanic isolation. The low-profile, small form factor packages are ideal for reducing PCB area over sense resistor op-amp or bulky current transformer configurations. The low resistance internal conductor allows for sensing up to 50 A continuous current. Allegro's fully integrated current sensor ICs are factory programmed at end of line testing to maximize device accuracy over temperature, and providing typical output error of 1%.

Type Part Number Vcc (V) Measurement Range (A) Isolation Voltage (VRMS) Bandwidth (kHz) Temp. Ranges Packages
Bidirectional ACS709 3.3, 5 ±12 to 75 2100 120 L QSOP-24
Bidirectional ACS710 5 ±12 to 75 3000 120 K SOIC-16
Bidirectional ACS711 3.3 ±12.5 to 25 <100 VDC 100 E, K SOIC-8,
QFN-12
Bidirectional ACS712 5 ±5 to 30 2100 80 E SOIC-8
Unidirectional ACS713 5 20 to 30 2100 80 E SOIC-8
Bidirectional ACS714 5 ±5 to 30 2100 80 E, L SOIC-8
Unidirectional ACS715 5 20 to 30 2100 80 E, L SOIC-8
Bidirectional ACS716 3.3 ±75  3000 120 K SOIC-16
Unidirectional ACS764 3.3 16 or 32 <100 VDC 2 X QSOP-24
Unidirectional
Bidirectional
ACS722 3.3 10 to 40
±5 to 40
2400 80 L SOIC-8
Unidirectional
Bidirectional
ACS723 5 10 to 40
±5 to 40
2400 80 L SOIC-8
Bidirectional ACS726 3.3 ±20 to 40
2100 120 L QSOP-24
Temperature range codes: S = -20°C to 85°C, E = -40°C to 85°C, K = -40°C to 125°C, L = -40°C to 150°C, X = -20°C to 125°C

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