LM64460APPQRYFRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM64460APPQRYFRQ1 is an automotive-grade synchronous step-down DC-DC converter manufactured by Texas Instruments. It operates with an input voltage range of 3 V to 36 V and delivers a maximum output current of 6 A. The device features an adjustable output voltage ranging from 1 V to 34.2 V. It utilizes a fixed switching frequency of 2.1 MHz and maintains a typical quiescent current of 9 uA. The component supports operation in junction temperatures from -40°C to +150°C and is housed in a 22-VQFN-HR package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive grade reliability certified under AEC-Q100 standards for harsh environment operation
• Synchronous buck topology with integrated high-side and low-side power switches
• Adjustable output voltage capability allowing flexible system rail configuration
• Fixed 2.1 MHz switching frequency enabling compact external component selection

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems requiring stable power rails
• ADAS sensor modules needing regulated low-noise supply
• Body control modules within vehicle electrical architectures
• Telematics units demanding wide input voltage tolerance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package, temperature grade, and tape/reel specifications. Confirm AEC-Q100 qualification status is required for your specific automotive application tier. Check for any recent product lifecycle notifications or recommended replacements before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing automotive circuits requiring a 6 A synchronous buck converter with a 36 V input capability. The fixed 2.1 MHz frequency suits designs prioritizing small passive component size over ultra-low EMI requirements. Ensure thermal management strategies account for the 150°C maximum junction temperature rating during high-load operations.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM64460 family of automotive synchronous step-down converters. It shares architectural similarities with other TI automotive PMICs but is distinguished by its specific 6 A current rating and 2.1 MHz fixed frequency operation. The family targets high-current single-output applications in demanding automotive environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Texas Instruments substitution guides for verified alternatives. Cross-reference pinouts and electrical parameters carefully when considering equivalent parts from other manufacturers.