LM34919CQSDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34919CQSDX/NOPB is an automotive-grade DC-DC step-down converter from Texas Instruments. It operates with an input voltage range of 4.5V to 50V and provides a single adjustable output between 2.5V and 45V. The device delivers a maximum output current of 0.6A. It is housed in a 12-pin WSON EP package and features tape-and-reel packaging. The component is qualified under the AEC-Q100 standard for automotive applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Wide input voltage capability supporting broad supply ranges
• Compact surface-mount packaging design

Voltage Regulators - DC DC Switching Regulators Applications

• Powering image sensors in automotive camera modules
• Supplying core, analog, and I/O rails for automotive electronics
• General automotive power management systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'C' indicates automotive grade compliance and 'Q' denotes qualified status. Confirm the 'SDX' package variant matches the required 12-pin WSON EP footprint. Ensure the 'NOPB' designation confirms lead-free and RoHS compliance. Cross-reference the manufacturer datasheet for any recent product change notifications affecting this specific part number before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring AEC-Q100 certification. It is suitable for applications needing a wide input voltage range up to 50V. The 0.6A output current limit defines its capacity for low-power loads. Consider the 12-pin WSON EP package for space-constrained PCB layouts. Verify thermal requirements align with the package's dissipation capabilities.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM34919C family of wide VIN buck converters designed specifically for automotive use. It complements other TI solutions like the TPS62231 for complete sensor power architectures. The series focuses on providing clean power rails for sensitive components such as image sensors in vehicle camera systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.