LM5180QNGUTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM5180QNGUTQ1 is a primary-side regulated (PSR) flyback DC/DC converter designed for high-voltage input applications. It features an integrated 100-V, 1.5-A power MOSFET and supports an input voltage range up to 70 V. The device operates within a junction temperature range of -40°C to 150°C and is housed in an 8-WSON package. This component is AEC-Q100 qualified for automotive use.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 100-V, 1.5-A power MOSFET to minimize external component count
• Utilizes primary-side regulation to eliminate optocouplers and secondary feedback networks
• Supports wide input voltage ranges suitable for high-voltage bus architectures

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive lighting systems
• High-voltage auxiliary power supplies
• Industrial isolated power conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q1' confirms AEC-Q100 automotive qualification status against the official Texas Instruments datasheet. Ensure the 8-WSON package outline matches your PCB footprint requirements. Confirm that the 70-V input rating aligns with your system's maximum transient voltage conditions before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing flyback converters requiring high input voltages without the complexity of secondary-side feedback loops. The integrated MOSFET simplifies thermal management and board space constraints. Consider the 1.5-A current limit when sizing transformer parameters for your specific load requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5180 family of PSR flyback controllers from Texas Instruments. It is distinct from lower-voltage variants like the LM25183, which typically support lower input voltages and different MOSFET ratings. The Q1 designation indicates automotive-grade reliability standards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other TI PSR flyback controllers such as the LM5181 or LM25183 series, provided input voltage and current specifications match the application requirements. Verify pin compatibility and thermal performance when cross-referencing.