5pcs LM5176 HTSSOP-28 55V 4-Switch Buck/Boost Controller IC

LM5176 4-Switch Synchronous Buck/Boost Controller – Pack of 5

Get reliable, wide input voltage DC-DC conversion with this pack of 5 x LM5176PWPR / LM5176PWPT ICs in the compact HTSSOP-28 package. Designed for demanding power electronics applications, the LM5176 supports a broad 4.2V to 55V input voltage range and delivers seamless synchronous 4-switch buck/boost operation — making it a versatile choice for engineers, hobbyists, and electronics technicians.

Key Features

• Model: LM5176PWPR / LM5176PWPT
• Package: HTSSOP-28
• Wide Input Voltage Range: 4.2V – 55V
• Topology: Synchronous 4-Switch Buck/Boost Controller
• General Purpose Use: Suitable for a wide range of power conversion applications
• Quantity: 5 pieces per order
• High-Concerned Chemicals: None
• Made in Mainland China

Why Choose the LM5176?

The LM5176 is a high-performance synchronous controller capable of stepping voltage up or down depending on your circuit's needs — all within a single compact IC. Its wide 55V input tolerance makes it ideal for automotive, industrial, telecom, and battery-powered designs where input voltage can vary widely. With synchronous switching, you benefit from improved efficiency and reduced heat compared to non-synchronous alternatives.

Applications

• Automotive power systems
• Industrial DC-DC converters
• Telecom & networking equipment
• Battery-powered devices with variable input
• Prototyping and electronics R&D

Package Contents

• 5 × LM5176PWPR / LM5176PWPT HTSSOP-28 ICs

Looking for other tools and electronics for your workshop? Check out our Air Compressor Pressure Gauge – DIY Tool or the Electromagnetic Induction Tester – Coil & Circuit Fault Detector for more useful additions to your electronics toolkit.

Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What is the input voltage range supported by the LM5176PWPR / LM5176PWPT?

A: The LM5176 supports a wide input voltage range of 4.2V to 55V, making it suitable for diverse power conversion applications including automotive and industrial systems where input voltage fluctuates significantly.

Q: What package type is the LM5176 supplied in?

A: These ICs are supplied in the HTSSOP-28 surface-mount package, which is compact and well-suited for modern PCB designs requiring efficient use of board space.

Q: How many ICs are included in this listing?

A: Each order includes 5 pieces of the LM5176PWPR / LM5176PWPT HTSSOP-28 controller IC, providing you with spares for prototyping or multi-unit builds.

Q: What is the difference between LM5176PWPR and LM5176PWPT?

A: Both are functionally identical LM5176 controllers in the HTSSOP-28 package. The suffix difference (R vs T) typically refers to the tape-and-reel packaging format used in manufacturing — the electrical specifications and performance are the same.