LM63615CAQDRRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM63615CAQDRRRQ1 is an automotive-grade synchronous step-down DC/DC converter from Texas Instruments. It operates with an input voltage range of 3.5 V to 36 V and delivers a maximum output current of 1.5 A. The device features a fixed switching frequency of 2.1 MHz and supports adjustable frequencies up to 2.2 MHz. It includes integrated soft-start, overcurrent protection, and thermal shutdown. The component is housed in a WSON-12 package and is qualified to AEC-Q100 standards for operation between -40°C and +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Integrated synchronous rectification for high efficiency
• Wide input voltage range supporting 12V and 24V automotive systems

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment system power distribution
• Telematics control unit voltage regulation
• ADAS sensor module power supply

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'CAQDRRRQ1' against the official datasheet to confirm pinout and electrical characteristics match the design requirements. Ensure the ordering code corresponds to the correct reel quantity and moisture sensitivity level. Confirm that the supplier provides valid traceability documentation for automotive components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring wide input voltage tolerance and high operating temperature capability. The 2.1 MHz fixed frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the required output current does not exceed the 1.5 A limit under all thermal conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM636xx-Q1 family of synchronous buck converters designed for automotive applications. It shares architectural similarities with other members like the LM63625 but offers specific current ratings and packaging options tailored for space-constrained automotive PCB layouts.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the LM636xx-Q1 series such as the LM63625 or LM63635 if current requirements differ. Verify pin-to-pin compatibility before replacing to ensure no PCB redesign is necessary.