TMCS1101A4BQDR

Current Sensors Overview

The TMCS1101A4BQDR is a precision, galvanically isolated Hall-effect current sensor manufactured by Texas Instruments. It features an analog output and operates within a supply voltage range of 3 V to 5.5 V. The device provides ±600V basic isolation and supports a continuous RMS current rating of 20 A up to 80 kHz. It delivers a total error of less than 1.5% and includes an integrated reference for accurate measurement. Packaged in an 8-pin SOIC (D) format, it functions bidirectionally with a response time of 6.5 µs.

Current Sensors Feature Summary

• Galvanic isolation via Hall-effect technology
• Integrated reference for precise signal chain
• Bidirectional current sensing capability
• High insulation quality for safety margins

Current Sensors Applications

• High-voltage system current measurement
• Power electronics system optimization
• Automotive powertrain control
• Industrial motor drive monitoring

Current Sensors Procurement Notes

Verify the specific suffix 'A4B' against the official Texas Instruments datasheet to confirm the 20 A RMS rating and 80 kHz bandwidth specifications. Ensure the SOIC-8 package dimensions match the design constraints. Confirm that the basic isolation voltage of ±600V meets the safety requirements of the target application circuit before finalizing procurement.

Current Sensors Selection Notes

Select this component when high-precision current measurement with low total error is required in high-voltage environments. The integrated reference simplifies the signal chain architecture compared to discrete solutions. Consider the 6.5 µs response time for dynamic load applications. The SOIC-8 package offers a compact footprint suitable for space-constrained board designs requiring galvanic isolation.

Current Sensors Part Context

This part belongs to the TMCS1101 family of Hall-effect current sensors from Texas Instruments. The family is designed for cost-effective and precise measurements in high-voltage systems. Variants within the series differ primarily in current ratings and isolation levels while maintaining similar architectural benefits such as low total error and easy application integration for power electronics.

Current Sensors Replacement Considerations

The TMCS1101A2BQDR is a related variant within the same family. Verify if the lower current rating or different isolation characteristics of alternative models meet the specific application requirements before substitution.