LM61480QRPHRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM61480QRPHRQ1 is an automotive-grade synchronous buck converter from Texas Instruments, delivering up to 8A of continuous output current. It operates with a wide input voltage range of 3V to 36V and withstands transient voltages up to 42V. The device supports adjustable output voltages from 1V to 95% of VIN. Switching frequency is configurable between 200kHz and 2.2MHz via pins. Typical quiescent current is 5μA, with shutdown current below 1μA. It functions within a junction temperature range of –40°C to +150°C and utilizes a 16-pin VQFN-HR (4.5mm × 3.5mm) package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Optimized for low electromagnetic interference using pin-configurable dual random spread spectrum technology and symmetric pin layout.
• Integrates automatic mode control for seamless switching between fixed-frequency PWM and pulse-frequency modulation based on load conditions.
• Includes comprehensive protection features such as undervoltage lockout, cycle-by-cycle current limiting, and thermal shutdown.
• Features an open-drain RESET output with built-in filtering and delayed release for precise power status indication.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Advanced driver assistance systems (ADAS)
• Body control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the official datasheet to confirm electrical characteristics and packaging options. Ensure compatibility with AEC-Q100 grade requirements for your target automotive application. Confirm that the selected variant matches the required output configuration and thermal performance specifications before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when high power density and strict EMI compliance are critical for automotive designs. The wide input range accommodates various vehicle bus architectures, while the flexible switching frequency allows optimization for efficiency or noise avoidance. Consider the compact VQFN-HR package for space-constrained layouts requiring robust thermal management.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM6x4xx-Q1 series of automotive step-down converters. It is designed to meet the rigorous demands of modern vehicle electronics, offering a balance of high current capability and advanced noise reduction techniques. The series provides engineers with scalable solutions for diverse power distribution needs in challenging automotive environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM61495QRPHRQ1 offers similar functionality with a higher 10A output current rating. LM62460QRPHRQ1 provides a 6A output option within the same family. Verify pinout and thermal parameters when substituting to ensure mechanical and electrical compatibility.