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CZ-3700 Dataheets PDF



Part Number CZ-3700
Manufacturers AKM
Logo AKM
Description Accurate Coreless Current Sensor
Datasheet CZ-3700 DatasheetCZ-3700 Datasheet (PDF)

[CZ-3700] Clearance/Creepage 8mm CZ-3700 60Arms Accurate Coreless Current Sensor 1. General Description CZ-3700 is an open-type current sensor using Hall sensors, which outputs the analog voltage proportional to the AC/DC current. Group III-V semiconductor thin film is used as the Hall sensor, which enables the high-accuracy and high-speed current sensing. Coreless ultra-small surface mount package realizes the space-saving. Also, the low primary conductor resistance suppresses heat generati.

  CZ-3700   CZ-3700



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[CZ-3700] Clearance/Creepage 8mm CZ-3700 60Arms Accurate Coreless Current Sensor 1. General Description CZ-3700 is an open-type current sensor using Hall sensors, which outputs the analog voltage proportional to the AC/DC current. Group III-V semiconductor thin film is used as the Hall sensor, which enables the high-accuracy and high-speed current sensing. Coreless ultra-small surface mount package realizes the space-saving. Also, the low primary conductor resistance suppresses heat generation to achieve the 60Arms continuous current. Existing coreless current sensors have an accuracy disadvantage from degradations caused by a disturbed magnetic field. The CZ-370x series has a built-in stray magnetic field reduction function to suppress this effect. The CZ-370x series is also UL 61800-5-1 safety compliant, which is an excellent fit for industrial AC drives, servo motors, etc. The CZ-370x series has a large variety of linear measurement ranges, from ±5.3A (CZ-3700), to ±180A, (CZ-3706). This enables the designer to use the same board design across different products and helps the user to expand the options to different current ratings. 2. Features □ Compliant with safety standard of UL61800-5-1 (Clearance, Creepage distance ≧ 8.0mm) □ Certified with safety standards of UL-1577 and IEC/UL60950-1 □ Maximum Primary Current : 60Arms □ High-accuracy : 0.5%F.S.(Ta=0~90°C Typ.) □ Quite small primary conductor resistance : 0.27mΩ Typ. □ Fast response time : 1μs Typ. □ Stray magnetic field reduction function □ Small-sized surface mount package(12.7mm×10.9mm×2.25mm) □ Differential output with VREF pin □ Isolation Voltage:3.0kV(AC50Hz,60s) □ Ratiometric output 3. Applications □ AC motors □ DC motors □ UPS □ General Inverters □ Power conditioners Also, CZ-3700 is suitable for other applications which are required isolation with small size and suppressing heat generation. 018010036-E-00 -1- 2018/8 [CZ-3700] 4. Table of Contents 1. General Description......................................................................................................................... 1 2. Features........................................................................................................................................... 1 3. Applications ..................................................................................................................................... 1 4. Table of Contents............................................................................................................................. 2 5. Block Diagram and Functions ......................................................................................................... 3 6. Pin Configurations and Functions ................................................................................................... 4 7. Absolute Maximum Ratings............................................................................................................. 5 8. Recommended Operating Con.


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