CT4031 XtremeSense® TMR Current Sensor with Common-Mode Field Rejection and 5 kV RMS Galvanic Isolation in SOICW-16 Package

2023-10-16
●PRODUCT DESCRIPTION
■The CT4031 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 CT4031 is offered in an industry standard 16-lead SOICW package that is “green” and RoHS compliant. The small footprint and low-profile footprint arewell suited for space-constrained applications.
●FEATURES
■20 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 5 kV RMS
▲Basic Isolation Working voltage 1287 V RMS
▲Reinforced Isolation Working Voltage 647 V RMS
■Supply Voltage: 3.3 V or 5.0 V
■Available in 16-lead SOICW Package

Crocus Technology

CT4031CT4031-H20BSWFCT4031-H30BSWFCT4031-H40BSWFCT4031-H50BSWFCT4031-H65BSWFCT4031-H30USWFCT4031-H40USWFCTD4031-20BCTD4031-30BCTD4031-40BCTD4031-50BCTD4031-65BCTD4031-30UCTD4031-40U

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TMR Current SensorTMR sensorhighly linear, XtremeSense® TMR based Current SensorsensorEvaluation Board

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Datasheet

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Please see the document for details

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SOICW;SOICW-16

English Chinese Chinese and English Japanese

2023/8/24

Rev. 0.2

1.6 MB

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