TMCS1107A3UQDR

Current Sensors Overview

The TMCS1107A3UQDR is a galvanically isolated Hall-effect current sensor designed for automotive applications, certified to AEC-Q100 standards. It features ±420V basic isolation and supports DC or AC current measurement with high accuracy and excellent linearity (±0.5%). The device operates on a single supply voltage ranging from 3V to 5.5V and provides an analog output. Key electrical parameters include a bandwidth of 80kHz, a response time of 6.5µs, and a maximum operating temperature of +125°C. It is housed in an 8-SOIC package.

Current Sensors Feature Summary

• Galvanically isolated Hall-effect sensing technology for precise current measurement
• Automotive-grade reliability with AEC-Q100 qualification
• High accuracy and excellent linearity for reliable signal integrity
• Integrated internal reference for simplified system design

Current Sensors Applications

• On-board charger (OBC) current monitoring
• DC-DC converter feedback loops
• Motor drive control systems
• Battery management system (BMS) sensing

Current Sensors Procurement Notes

Verify the specific suffix 'QDR' against the manufacturer's official datasheet to confirm pinout compatibility and package dimensions. Ensure that the AEC-Q100 certification status aligns with your project's automotive quality requirements. Cross-reference the ordering part number with Texas Instruments' latest product change notifications to avoid discrepancies in manufacturing revisions.

Current Sensors Selection Notes

Select this component when high-voltage isolation up to ±420V is required alongside precise current sensing capabilities. The 80kHz bandwidth suits applications involving switching frequencies up to 80kHz. Consider the 8-SOIC package constraints for PCB layout. Verify that the analog output interface matches the input requirements of the downstream microcontroller or ADC without additional signal conditioning.

Current Sensors Part Context

This part belongs to the TMCS1100 series of board-mount current sensors from Texas Instruments. It shares the core Hall-effect sensing architecture with other variants but differs in isolation voltage ratings and package options. The 'QDR' suffix typically denotes a specific tape-and-reel packaging configuration suitable for automated assembly processes in high-volume manufacturing environments.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Texas Instruments directly for cross-reference recommendations or equivalent parts within the TMCS family that meet identical isolation and accuracy specifications.