센서 > [알레그로] Integrated Current Sensor ICs

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BASIC4MCU | 센서 | 기타센서 | [알레그로] Integrated Current Sensor ICs

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작성자 키트 작성일2017-09-04 16:15 조회2,152회 댓글0건

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Current Sensor ICs

Current Sensor ICs applications

Allegro MicroSystems, LLC has developed a line of fully integrated Hall-effect current sensor and Hall-effect linear integrated circuits that provide highly accurate, low noise output voltage signals that are proportional to an applied AC or DC current. These ICs are in high volume production in many applications, including automotive HEV inverters and electronic power steering (EPS) systems, and in industrial and consumer inverters and motor control applications.

Allegro current sensor ICs are also used in many power monitoring applications, such as computer blade servers and server power supplies. Allegro's proprietary fully integrated Hall-effect current sensor ICs employ advanced IC and packaging techniques for sensing current from 0 A to 50 A and 50 A to 200 A. These integrated solutions provide galvanic isolation (up to 4.8 kV) and extremely low resistance on the primary conductor (≤ 1mΩ) for highly efficient solutions and are available in a variety of surface mount and through-hole packages.  For sensing beyond 200 A, an Allegro linear current sensor IC can be used.

Allegro current sensor ICs allow design engineers to use Hall-effect-based current sensor ICs in new applications where increased energy efficiency or new operating features are required.

 

Wherever current sensing is needed, an Allegro Hall-effect current sensor IC can provide a solution.

 

0 to 50 A Integrated Current Sensor ICs

0 to 50 A Integrated Current 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%.

  

  

 

Current Sensor IC 0 to 50 A Selection Guide

 

 Generic Part NumberDescriptionApplicationVCC (V)TypeCurrent Measurement Range (A)Temp. RangesBandwidth (kHz)Isolation Voltage
(VRMS)
Package Type

Primary Conductor Resistance
(mOhms)

ACS709Current Sensor IC with Fast Overcurrent Fault Response In a Thermally Enhanced PackageAutomotive3.3Bidirectional<±10-40°C to 150°C1202100QSOP-241.10

ACS710High-Voltage Isolation Current Sensor IC with Integrated Overcurrent DetectionIndustrial5Bidirectional<±10-40°C to 125°C1203600SOICW-161.00

ACS711EXLinear Current Sensor with Overcurrent Fault Output with <100 V IsolationIndustrial3.3Bidirectional<±10-40°C to 85°C100100QFN-120.60

ACS711LCLinear Current Sensor with Overcurrent Fault Output with <100 V IsolationIndustrial3.3Bidirectional<±10-40°C to 85°C100100SOIC-81.20

ACS712Linear Current Sensor IC with 2.1 kV IsolationIndustrial5Bidirectional<±10-40°C to 85°C802100SOIC-81.20

ACS713Linear Current Sensor IC with 2.1 kV IsolationIndustrial5Unidirectional20-40°C to 85°C802100SOIC-81.20

ACS714Automotive Grade, Linear Current Sensor IC with 2.1 kVRMS Voltage IsolationAutomotive5Bidirectional<±10-40°C to 85°C802100SOIC-81.20

ACS715Automotive Grade, Linear Current Sensor IC with 2.1 kVRMS Voltage IsolationAutomotive5Unidirectional20-40°C to 85°C802100SOIC-81.20

ACS716High Voltage Isolation Current Sensor with Integrated Overcurrent DetectionIndustrial3.3Bidirectional<±10-40°C to 125°C1203600SOICW-161.00

ACS717Linear Current Sensor IC with 4.8kV IsolationIndustrial3.3Bidirectional<±10-40°C to 125°C404800SOICW-160.85

ACS718Linear Current Sensor IC with 4.8kV IsolationIndustrial5Bidirectional<±10-40°C to 125°C404800SOICW-160.85

NEWACS720High Accuracy, Dual Overcurrent Faults, CM field rejection, Isolated Current Sensor ICIndustrial5Bidirectional

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