TPS546D24A – 40A Step-Down Power Converter | PMBus-Controlled Buck Regulator IC

📝 Product Description

The TPS546D24ARVFR is a high-performance, PMBus-compatible synchronous buck converter designed for space-constrained and high-current applications. Capable of delivering up to 40A continuous output current, this compact power IC integrates a digitally configurable control loop, telemetry, and fault reporting — making it ideal for modern high-efficiency power systems.

Though commonly used in Bitaxe Gamma or other open-source miner boards, its versatility makes it perfect for FPGA/ASIC designs, server motherboards, high-end DIY projects, and advanced digital systems.

⚙️ Key Features

• ⚡ Up to 40A Output Current with Precise Digital Control
  Supports scalable power delivery for high-performance applications.

• 🔄 PMBus Interface & Telemetry Support
  Enables real-time monitoring, configuration, and fault diagnostics.

• 🧊 Integrated FETs with 92% Peak Efficiency
  Reduces heat and board space in compact builds.

• 🧠 Adaptive Voltage Scaling + Loop Compensation
  Maximizes efficiency in dynamic voltage environments.

• 🔧 Small 5mm × 7mm QFN Package
  Ideal for dense PCB layouts and embedded DIY systems.

👨🔧 Who It’s For

• DIY electronics builders and hobbyists working on performance-intensive projects

• Crypto miners designing modular, efficient power systems

• FPGA/ASIC hardware engineers needing scalable step-down voltage regulators

• Home tech builders and power supply designers

📦 Package Includes

• 1 × TPS546D24ARVFR Power Management IC (anti-static sealed)

• (Optional) Quick-start wiring reference (digital download if included)

✅ Why Choose TPS546D24A?

With high current capability, real-time digital control, and exceptional efficiency in a small footprint, the TPS546D24A is the ideal power IC for creators pushing the limits of performance and space. From crypto mining to DIY server hardware, this chip delivers industrial-grade reliability in your hands.