L9966CB-TR

Sensor And Detector Interfaces Overview

The L9966CB-TR is an automotive-grade FlexInput IC designed for sensor interface applications in Engine Control Units and Body/Chassis Modules. It supports 12V and 24V systems with an operating battery supply voltage range of 5.5 V to 36 V. The device features a programmable interface with 15 total inputs, including 12 analog loads, 4 lambda sensor channels, 4 SENT channels, and 3 digital switches. It integrates a 12-bit ADC for voltage measurements and a 15-bit ADC for resistance measurements. Output capabilities include one analog channel and four digital channels. The component is housed in a TQFP-48 package and holds AEC-Q100 qualification.

Sensor And Detector Interfaces Feature Summary

• Programmable multi-channel input interface supporting analog, lambda, SENT, and digital switch connections without PCB hardware modification
• Integrated high-resolution analog-to-digital conversion for precise voltage and resistance measurements
• Flexible output configuration with combined analog and digital channels for direct sensor actuation

Sensor And Detector Interfaces Applications

• Engine Control Unit (ECU) sensor interfacing
• Body and Chassis Module signal processing
• Automotive temperature, pressure, and position sensing systems

Sensor And Detector Interfaces Procurement Notes

Verify the specific suffix CB against the manufacturer's official datasheet to confirm pinout and electrical characteristics match the design requirements. Confirm AEC-Q100 qualification status and thermal resistance specifications for the TQFP-48 package during component selection. Ensure compatibility with the target vehicle's 12V or 24V electrical architecture before finalizing procurement.

Sensor And Detector Interfaces Selection Notes

Select this component when designing systems requiring a unified interface for diverse sensor types including lambda and SENT protocols. The integrated resistance measurement capability reduces the need for external discrete components. Verify that the 15-input capacity meets the channel count requirements for the specific ECU or chassis application.

Sensor And Detector Interfaces Part Context

The L9966CB-TR belongs to the L9966 series of FlexInput ICs from STMicroelectronics. This series is engineered to replace multiple discrete components by providing a versatile interface for various automotive sensors. The CB suffix typically denotes a specific tape and reel packaging variant within the active product line.

Sensor And Detector Interfaces Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official obsolescence notices or cross-reference guides for verified alternatives.