LM61495TQVAMRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM61495TQVAMRQ1 is a 10-A automotive synchronous buck DC/DC converter from Texas Instruments, optimized for high power density and low electromagnetic interference. It operates with an input voltage range of 3 V to 36 V and delivers a fixed 5-V output at up to 10 A. The device features an adjustable switching frequency ranging from 200 kHz to 2.2 MHz and maintains a typical quiescent current of 10 µA. It supports operation across an extended temperature range from -40°C to +150°C and utilizes a thermally enhanced VQFN-HR-28 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Optimized for high power density and low electromagnetic interference in automotive environments
• Integrated synchronous rectification with adjustable switching frequency control
• Extended thermal performance supporting junction temperatures up to 150°C
• Comprehensive protection mechanisms including overcurrent, overtemperature, and undervoltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment system power distribution
• Telematics and gateway unit voltage regulation
• Advanced driver assistance systems (ADAS) power management
• Body control module auxiliary power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'TQVAMRQ1' against the official Texas Instruments datasheet to confirm the fixed 5-V output configuration and tape-and-reel packaging details. Ensure that the ordering information matches the required automotive qualification standards and package type before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a stable 5-V rail is required for high-current automotive loads within a compact footprint. The fixed output simplifies design compared to adjustable variants, while the wide input range accommodates various vehicle battery architectures. Consider the thermal requirements of the VQFN-HR-28 package for adequate heat dissipation in enclosed assemblies.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM614xx-Q1 family of automotive buck converters, which are pin-compatible with 6-A and 8-A variants. The series is designed to meet stringent automotive reliability standards while offering flexibility through adjustable switching frequencies to optimize EMI performance for sensitive electronic systems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM61495QRPHRQ1: Adjustable output variant requiring external feedback network; not a direct drop-in replacement for fixed 5-V applications without schematic modification.