TLV431BQDBVRQ1

Overview

The TLV431BQDBVRQ1 is an automotive-grade adjustable precision shunt regulator from Texas Instruments. It operates within a supply voltage range of 2.5 V to 36 V and provides an adjustable output voltage between 1.24 V and 6 V. The device features an initial accuracy of ±0.5% and a temperature coefficient of 161 ppm/°C. It supports a maximum cathode current of 15 mA and functions reliably across an extended temperature range from -40°C to +125°C. Packaged in a compact SOT-23-5 surface-mount case, it meets AEC-Q100 standards for automotive applications.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Adjustable reference voltage output capability
• High precision with tight initial accuracy tolerance
• Extended industrial temperature operation range

Applications

• Automotive power supply feedback loops
• Battery management system monitoring
• Precision voltage reference circuits
• Industrial control system regulation

Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and automotive grade specifications. Confirm RoHS compliance status through official manufacturer documentation before procurement. Check lead times as automotive components may have longer production cycles. Ensure compatibility with existing PCB footprint designs utilizing the SOT-23-5 package. Validate thermal performance requirements against the specified operating temperature range.

Selection Notes

Select this component when automotive reliability and high precision are required in low-voltage applications. The adjustable output allows flexible design integration without fixed reference constraints. Consider the SOT-23-5 package size for space-constrained board layouts. Evaluate the 15 mA cathode current limit against load requirements. Ensure the input voltage range aligns with the system's power supply rails.

Part Context

This device belongs to the TLV431B family of adjustable shunt regulators designed for high-performance applications. The 'Q' designation indicates automotive qualification, distinguishing it from standard commercial variants. It serves as a critical component in feedback networks requiring stable reference voltages under varying environmental conditions.

Replacement Considerations

TLV431BQDBVRQ1 is the direct equivalent part number. Verify pinout compatibility when substituting with other adjustable shunt regulators. Ensure replacement parts meet the same AEC-Q100 automotive qualification standards.