TL432QDBVT

Overview

The TL432QDBVT is an adjustable precision shunt regulator manufactured by Texas Instruments, designed for automotive and industrial applications. It operates within a reference voltage range of 2.495 V to 36 V and features an initial accuracy of ±2.2%. The device supports a maximum cathode current of 100 mA and maintains operation across an extended temperature range from -40°C to +125°C. Packaged in a compact SOT-23-5 surface-mount format, it integrates a bandgap reference architecture suitable for low-cost feedback control loops.

Feature Summary

• Provides stable adjustable voltage reference functionality with high precision for closed-loop regulation systems
• Engineered with automotive-grade qualification standards ensuring reliability under harsh environmental conditions
• Utilizes a compact three-terminal shunt topology to minimize printed circuit board space requirements

Applications

• Automotive power supply regulation circuits
• Industrial process control feedback loops
• Battery management system monitoring

Procurement Notes

Verify component authenticity through authorized distribution channels to ensure compliance with automotive quality standards. Confirm that the specific suffix denotes the required package variant and temperature rating. Request manufacturer test reports or traceability documentation for critical safety applications. Validate RoHS and REACH compliance status prior to integration into final assemblies.

Selection Notes

Select this component when automotive-grade reliability and wide operating temperature ranges are mandatory. Compare against standard commercial variants if cost sensitivity outweighs environmental robustness requirements. Ensure the SOT-23-5 footprint aligns with existing layout constraints. Verify that the 100 mA sink capability meets the peak load demands of the target reference circuit design.

Part Context

This part belongs to the TL43x family of adjustable shunt regulators, widely utilized for voltage referencing and error amplification. The TL432 variant specifically targets automotive markets, distinguishing itself through enhanced thermal stability and rigorous qualification protocols compared to general-purpose counterparts. It serves as a core building block for isolated and non-isolated converter designs.

Replacement Considerations

• TL432QDBVTE4