RS86620 60A Smart Power Stage for High-Efficiency Multiphase Power Delivery

The RS86620 is a high-performance 60A Smart Power Stage that integrates high-side and low-side MOSFETs, high-current gate drivers, current sensing, and temperature monitoring into a compact, highly integrated package. Designed for high-current multiphase voltage regulators (VRMs), the RS86620 delivers exceptional efficiency, fast transient response, and outstanding power density for AI servers, enterprise computing, networking, telecommunications, and high-performance embedded applications.

Supporting an operating input voltage range of 2.5V to 16V, the RS86620 operates at switching frequencies up to 3MHz, enabling designers to reduce the size of inductors and output capacitors while maintaining excellent efficiency across a broad operating range. By integrating the complete half-bridge power stage into a single package, the RS86620 reduces parasitic inductance, simplifies PCB layout, and improves thermal performance compared to discrete MOSFET implementations.

Whether powering modern CPUs, GPUs, AI accelerators, FPGAs, or custom ASICs, the RS86620 provides the efficiency, reliability, and scalability required for today’s advanced computing platforms.

Designed to Complement Reed Semiconductor Multiphase PWM Controllers

The RS86620 is optimized to operate with Reed Semiconductor’s digital and analog multiphase PWM controller families, creating a complete power delivery solution for high-current processor and accelerator power rails. Together, Reed controllers and Smart Power Stages provide exceptional transient response, accurate current balancing, advanced telemetry, and high overall system efficiency.

Recommended companion controllers include:

• RS19G20 – 20-phase digital PWM controller with PMBus
• RS19C20 – High-performance digital controller for AI and server platforms
• RS19820 – Advanced digital VR controller with telemetry support
• RS18G30 – Digital multiphase PWM controller with PMBus interface
• RS17G22 – High-density multiphase controller for enterprise and networking applications
• RS18C22 – Analog multiphase PWM controller
• RS16K20 – Cost-optimized controller for networking, industrial, and embedded designs

This complete ecosystem enables designers to build scalable multiphase power supplies ranging from compact four-phase POL converters to high-current voltage regulators supporting the latest AI processors and server CPUs.

High Efficiency for Demanding Power Architectures

Modern processors demand increasingly higher current while requiring precise voltage regulation and rapid response to dynamic load changes. The RS86620 addresses these challenges through an optimized half-bridge architecture that minimizes switching and conduction losses while maximizing overall efficiency.

Operating at switching frequencies up to 3MHz, the RS86620 supports smaller external magnetics and capacitors, allowing designers to achieve higher power density without sacrificing performance. Integrated current sensing provides accurate phase current information for current sharing across multiphase converters, while integrated temperature sensing supports intelligent thermal management and improved long-term reliability.

The combination of high efficiency, compact integration, and advanced monitoring makes the RS86620 an excellent choice for next-generation power delivery systems.

Integrated Protection Improves System Reliability

Reliable operation is essential in AI servers, cloud infrastructure, networking equipment, and industrial systems. The RS86620 incorporates multiple protection features that safeguard both the Smart Power Stage and downstream circuitry while reducing overall system complexity.

Integrated protection includes:

• VIN undervoltage lockout (UVLO)
• VDD undervoltage lockout (UVLO)
• High-side overcurrent protection
• Cycle-by-cycle current limiting
• Overtemperature protection (OTP)

These built-in safeguards help designers improve system robustness while reducing the need for additional external protection components.

Ideal for AI, Enterprise, and Networking Applications

The RS86620 is designed for applications requiring efficient high-current power delivery in compact, thermally optimized solutions.

Typical applications include:

• AI accelerator cards
• Server voltage regulator modules (VRMs)
• GPU core power supplies
• Enterprise storage systems
• Networking switches and routers
• Telecommunications infrastructure
• FPGA and ASIC core power rails
• High-current point-of-load (POL) converters
• Industrial computing platforms
• Compact power modules

Its integrated architecture allows designers to reduce PCB area while improving efficiency and overall thermal performance.

Accelerate High-Density Power Supply Design

The RS86620 combines high-side and low-side MOSFETs, high-current gate drivers, current sensing, temperature monitoring, and comprehensive protection features into a single highly integrated Smart Power Stage. This integration simplifies PCB layout, reduces component count, minimizes parasitic effects, and shortens overall development time compared to discrete power stage implementations.

When paired with Reed Semiconductor’s multiphase PWM controller portfolio, the RS86620 becomes part of a complete power management platform capable of supporting applications ranging from enterprise networking equipment to advanced AI servers and cloud computing infrastructure. Together, these solutions provide outstanding efficiency, scalability, and reliability while helping designers accelerate product development and optimize overall system performance.