LM64460BPPQRYFRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM64460BPPQRYFRQ1 is an automotive-grade synchronous buck DC/DC converter from Texas Instruments. It operates with an input voltage range of 3 V to 36 V and delivers a fixed 3.3 V output at up to 6 A. The device features a 2.1 MHz switching frequency and includes integrated low-side MOSFETs. It is housed in a 22-VQFN-HR (3.5x4) package with wettable flanks for enhanced inspection. The component supports junction temperatures up to 150°C and complies with AEC-Q100 standards.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification with internal power switches
• Automotive qualification compliant with AEC-Q100 standards
• Fixed 3.3 V output configuration for simplified design
• Wettable flank package enables automated optical inspection

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body control modules
• Telematics units
• ADAS sensor power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct output voltage and package variant. Confirm that the specific revision level meets project requirements. Cross-reference the manufacturer's latest datasheet for any updates regarding pin compatibility or recommended operating conditions before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V rail is required for automotive applications. The 6 A current capability suits moderate load scenarios. Ensure the input voltage stays within the 3 V to 36 V range. Consider thermal management due to the compact QFN package. Verify that the 2.1 MHz frequency aligns with EMI constraints and inductor selection guidelines provided in the technical data.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM64460-Q1 family of automotive synchronous buck converters. The family offers 4 A and 6 A variants with selectable output voltages. The BPP suffix indicates a fixed 3.3 V output version. These devices are designed for high efficiency and low electromagnetic interference in demanding automotive environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM64460APPQRYFRQ1 if adjustable output is needed. LM64460CPPQRYFRQ1 provides a fixed 5 V output. LM63440AASQRYFRQ1 is a 4 A variant with similar input ranges but lower current capacity. Verify pinout and thermal characteristics before substitution.