CT4021 XtremeSense® TMR Current Sensor with Common-Mode Field Rejection and 3 kV RMS Galvanic Isolation in SOIC-8 Package
■The CT4021 is a highly linear, XtremeSense® TMR based Current Sensor. The TMR sensor is differential which enables common-mode field rejection to cancel out stray magnetic fields. The primary conductor is only 0.5 mΩ which enables the sensor to withstand high in-rush current and minimize power loss. The current applied to the pin of the primary conductor generates an internal differential magnetic field. The TMR sensor provides a proportional voltage to the differential magnetic field while rejecting common-mode stray magnetic fields.
■The pins of the primary conductive path and the sensor leads are galvanically isolated. This enables high-side current sensing without the need for additional isolation techniques. The CT4021 is offered in an industry standard 8-lead SOIC package that is “green” and RoHS compliant. The small footprint and low-profile footprint are well suited for space-constrained applications.
●FEATURES
■10 A to 65 A Unipolar and Bipolar Range
■500 kHz Bandwidth
■Common-Mode Field Rejection
■0.5 mΩ Primary Conductor Resistance
■Ratiometric Output from Supply Voltage
■±3% Max Total Error from -40°C to 125°C
■UL/IEC 62387 Certification
▲Rated Isolation Voltage 3 kV RMS
▲Basic Isolation Working voltage 701 V RMS
▲Reinforced Isolation Working Voltage 344 V RMS
■Supply Voltage: 3.3 V or 5.0 V
■Available in 8-Lead SOIC Package
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CT4021 、 CT4021-H10BSN8 、 CT4021-H20BSN8 、 CT4021-H30BSN8 、 CT4021-H40BSN8 、 CT4021-H50BSN8 、 CT4021-H65BSN8 、 CT4021-H30USN8 、 CTD4021-10B 、 CTD4021-20B 、 CTD4021-30B 、 CTD4021-40B 、 CTD4021-50B 、 CTD4021-65B 、 CTD4021-30U |
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TMR Current Sensor 、 highly linear, XtremeSense® TMR based Current Sensor 、 TMR sensor 、 sensor 、 Evaluation Board |
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[ Motor Control ][ Power Inverters ][ UPS ][ SMPS ][ Telecom Power Supplies ][ Consumer Electronics ][ Enterprise Electronics ] |
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Datasheet |
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Please see the document for details |
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SOIC;SOIC-8 |
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English Chinese Chinese and English Japanese |
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2023/8/24 |
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Rev. 0.3 |
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1.5 MB |
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