Switching Voltage Regulators 6-V to 100-V input 1-A synchronous DC-D A 595-LM5164QDDATQ1

LM5164QDDARQ1 – 100V Input 1A Synchronous Buck Converter – Texas Instruments

Optimize power efficiency in demanding environments with the LM5164QDDARQ1 automotive-grade buck regulator from Texas Instruments. This synchronous step-down converter delivers a robust 1A output with an ultra-wide 6V to 100V input range, ideal for voltage regulation in high-noise applications. Engineered for reliability and featuring AEC-Q100 qualification, it ensures stable performance in automotive and industrial systems.

Key Features

• Wide Input Range: 6V to 100V operation for versatile power sourcing
• High-Efficiency Output: 1A adjustable output (1.2V to 100V) with synchronous rectification
• Automotive Grade: AEC-Q100 qualified for harsh environments
• Thermal Resilience: Operates at -40°C to +150°C junction temperature
• High Switching Frequency: Up to 1MHz for compact designs

Technical Specifications

This buck topology regulator provides a positive, adjustable single output in a space-saving 8-SO PowerPad package. Surface-mount design simplifies integration, while built-in protection against overcurrent and overtemperature enhances system durability. The synchronous rectifier architecture minimizes power loss, achieving peak efficiency across load conditions.

Typical Applications

• Automotive infotainment and ADAS systems
• Industrial automation controllers
• Telecommunications power modules
• Battery management systems
• LED lighting drivers

About Texas Instruments

Texas Instruments (TI) is a global semiconductor leader with over 90 years of innovation in analog and embedded processing technologies. Their components are renowned for precision engineering, stringent quality control, and industry-leading reliability across automotive, industrial, and consumer markets.

TI’s automotive-grade ICs undergo rigorous AEC-Q100 validation, ensuring zero-defect performance in mission-critical applications. Their power management portfolio, including the LM5164 series, sets benchmarks for efficiency and thermal management in compact form factors.

About DC-DC Buck Regulators

Buck converters efficiently step down higher input voltages to lower, stable output levels while minimizing energy loss. They are fundamental in modern electronics for managing power distribution, battery charging, and noise-sensitive circuits where voltage fluctuations must be eliminated.

Automotive-qualified buck regulators like the LM5164QDDARQ1 withstand voltage transients and extreme temperatures inherent in vehicles and industrial machinery. Their synchronous design improves efficiency by 15-20% compared to non-synchronous alternatives, extending battery life and reducing heat dissipation.

Packaging Options

Available in industry-standard formats: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel®. Specify your preference at checkout for optimized handling.

Frequently Asked Questions

Q: Is this IC suitable for 12V/24V automotive systems?
A: Yes, its 6-100V input range covers standard vehicle voltages including load-dump scenarios.

Q: Does it require external compensation components?
A: No, the LM5164 features internal compensation for simplified design.

Q: Can I parallel multiple units for higher current?
A: While possible, TI recommends using higher-current regulators for loads exceeding 1A.

Q: What makes this “automotive-grade”?
A: AEC-Q100 certification validates operation across temperature extremes and mechanical stress.

Q: Is the output voltage user-adjustable?
A: Yes, configure via external resistors per the datasheet (available on PCXCo.com).

Q: Does PCX provide design support?
A: Yes! Contact our engineering team for schematic review and BOM optimization.

Order Today for Fast Delivery!

Get genuine Texas Instruments components with guaranteed traceability. PCX ships LM5164QDDARQ1 regulators worldwide from certified stock – order by 3 PM EST for same-day dispatch!

Product images are representational. Refer to datasheet for exact dimensions and schematics.