TMCS1107A4BQDRQ1

Current Sensors Overview

The TMCS1107A4BQDRQ1 is an automotive-grade, galvanically isolated Hall-effect current sensor manufactured by Texas Instruments. It features a bidirectional output with a continuous current rating of 8 ARMS and a peak capability of ±5.6 A. The device operates on a supply voltage range of 3 V to 5.5 V, typically utilizing 5 V. It provides high accuracy with a basic isolation rating up to ±420 VDC. Key electrical parameters include a response time of 6.5 µs, a maximum supply current of 6 mA, and an operating temperature range from -40°C to +125°C. The component is housed in an SOIC-8 package.

Current Sensors Feature Summary

• Galvanically isolated Hall-effect sensing technology for robust performance
• Bidirectional analog output suitable for precise current monitoring
• Automotive qualification compliant with AEC-Q100 standards
• High continuous current handling capability of 8 ARMS

Current Sensors Applications

• On-board charger (OBC) systems in electric vehicles
• DC-DC converter current monitoring
• Motor drive control circuits
• Battery management system (BMS) protection

Current Sensors Procurement Notes

Verify the specific suffix 'QDRQ1' against official Texas Instruments documentation to confirm the exact tape-and-reel packaging configuration and moisture sensitivity level. Ensure that the procurement channel provides valid traceability records consistent with automotive quality requirements. Cross-reference the manufacturer part number with the latest datasheet revision to confirm compliance with RoHS directives and any recent product change notifications before finalizing orders.

Current Sensors Selection Notes

Select this component when bidirectional current measurement is required within automotive power electronics applications. The 8 ARMS rating supports high-current environments typical in EV charging and motor drives. Consider the SOIC-8 package dimensions for PCB layout constraints. Verify that the system's isolation voltage requirements do not exceed the ±420 VDC basic isolation limit. Ensure the 6.5 µs response time aligns with the control loop speed requirements of the target application.

Current Sensors Part Context

This device belongs to the TMCS1100 series of board-mount current sensors designed for automotive use. It complements other variants like the TMCS1100A3QDRQ1 by offering higher current capacity and bidirectional functionality. The series emphasizes industry-leading accuracy and isolation performance, targeting demanding power conversion applications where reliable galvanic isolation is critical for safety and signal integrity.

Current Sensors Replacement Considerations

Direct substitutes within the same family include the TMCS1100A3QDRQ1, though it offers different current ratings. Verify pin-to-pin compatibility and electrical parameter alignment with the original design specifications before substitution.