Texas Instruments

LM5161QPWPTQ1

LM5161QPWPTQ1 Description

The LM5161QPWPTQ1 from Texas Instruments is a high-performance, automotive-grade synchronous buck/flyback DC-DC switching regulator designed for demanding industrial and automotive applications. It features a wide 4.5V to 100V input voltage range and delivers an adjustable output voltage from 2V to 92V with up to 1A output current. The device supports 50kHz to 1MHz switching frequency, enabling flexibility in design for efficiency and component size optimization. Its isolation-capable positive output configuration and synchronous rectification enhance efficiency and reduce thermal dissipation. Packaged in a 14-pin HTSSOP and compliant with AEC-Q100, it is ideal for harsh environments.

LM5161QPWPTQ1 Features

• Wide Input Range (4.5V–100V): Suitable for high-voltage applications like automotive battery systems.
• Adjustable Output (2V–92V): Versatile for diverse load requirements.
• Synchronous Rectification: Improves efficiency (>90%) and reduces heat generation.
• High Switching Frequency (50kHz–1MHz): Enables compact designs with smaller external components.
• Automotive-Grade (AEC-Q100): Ensures reliability in extreme conditions.
• Isolation-Capable: Supports isolated power supply designs for safety-critical systems.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.

LM5161QPWPTQ1 Applications

• Automotive Systems: Battery management, infotainment, and ADAS power supplies.
• Industrial Power Supplies: Isolated converters, PLCs, and motor drives.
• Telecom/Networking: High-voltage DC-DC conversion for base stations and routers.
• Renewable Energy: Solar microinverters and energy storage systems.
• Medical Devices: Isolated power for patient monitoring equipment.

Conclusion of LM5161QPWPTQ1

The LM5161QPWPTQ1 stands out for its wide input range, high efficiency, and automotive-grade robustness, making it a superior choice for high-voltage DC-DC conversion. Its synchronous rectification and isolation capability provide significant advantages over non-synchronous or non-isolated alternatives. Ideal for automotive, industrial, and telecom applications, this regulator combines performance, reliability, and flexibility in a compact package.