RSM6G02 - High Frequency DC-DC Smart Power Block

RSM6G02 140A Smart Power Block for High-Efficiency Multiphase Power Systems

The RSM6G02 is a highly integrated 140A Smart Power Block that combines smart gate drivers, high-performance MOSFETs, integrated inductors, current sensing, and temperature monitoring into a compact 10mm × 9mm × 8mm, 72-pin LGA package. Designed for high-current DC-DC power conversion, the RSM6G02 simplifies power supply development while delivering exceptional efficiency, excellent thermal performance, and outstanding power density for AI servers, enterprise computing, cloud infrastructure, networking equipment, telecommunications systems, and industrial applications.

Supporting an operating input voltage range of 2.5V to 15V, the RSM6G02 is well suited for modern distributed power architectures, including 5V and 12V intermediate bus systems. By integrating the power stage and magnetic components into a single package, the Smart Power Block reduces PCB area, minimizes parasitic inductance, simplifies PCB routing, and improves electrical performance compared to conventional discrete power solutions.

Featuring two independent 70A power stages that can operate independently or in parallel to deliver 140A continuous output current, the RSM6G02 provides the flexibility required for today’s high-current processor power rails.

Optimized for Reed Semiconductor Multiphase PWM Controllers

The RSM6G02 is designed to work seamlessly with Reed Semiconductor’s family of digital and analog multiphase PWM controllers, providing a complete power management solution for high-current voltage regulator modules (VRMs). Together, Reed Smart Power Blocks and PWM controllers maximize efficiency, improve transient response, simplify system design, and accelerate time to market.

Recommended companion controllers include:

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

Together, Reed Semiconductor’s Smart Power Blocks and multiphase controllers provide scalable power architectures ranging from compact point-of-load (POL) converters to high-current multiphase VRMs supporting CPUs, GPUs, AI accelerators, FPGAs, and custom ASICs.

Integrated Power Block Simplifies High-Current Design

The RSM6G02 integrates smart gate drivers, high-performance MOSFETs, and inductors into a single compact package, eliminating many of the layout and component challenges associated with discrete power stage implementations. This higher level of integration reduces component count, shortens high-current switching loops, and minimizes parasitic inductance, resulting in improved efficiency and overall electrical performance.

Operating at switching frequencies up to 2MHz, the RSM6G02 enables designers to reduce the size of external passive components while maintaining excellent efficiency across a broad operating range. The integrated architecture also simplifies PCB layout, improves manufacturability, and shortens development cycles, allowing engineers to bring products to market more quickly.

By reducing both design complexity and board space requirements, the RSM6G02 provides an effective solution for high-density processor power applications.

Integrated Monitoring and Comprehensive Protection

The RSM6G02 includes integrated current sensing and junction temperature monitoring to improve system visibility and simplify power management. Accurate inductor current sensing supports effective current balancing in multiphase converters, while temperature monitoring enables intelligent thermal management and improved long-term reliability.

Comprehensive protection features include:

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

These integrated protection functions improve system robustness while reducing the need for additional external protection circuitry.

Ideal for AI, Server, and Enterprise Computing Applications

The RSM6G02 is optimized for applications requiring compact implementation, high-current capability, and exceptional efficiency.

Typical applications include:

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

Its combination of integrated magnetics, wide input voltage support, and high-current capability makes the RSM6G02 an excellent choice for modern processor power architectures.

Accelerate Time to Market with an Integrated Power Solution

The RSM6G02 combines high-performance MOSFETs, smart gate drivers, integrated inductors, current sensing, temperature monitoring, and comprehensive protection into a single Smart Power Block that significantly simplifies high-current power supply development. Compared to discrete power stage implementations, the integrated design reduces PCB complexity, lowers component count, improves thermal performance, and shortens overall design cycles.

When paired with Reed Semiconductor’s multiphase PWM controller portfolio, the RSM6G02 becomes part of a complete power delivery platform supporting AI servers, cloud infrastructure, enterprise networking equipment, telecommunications systems, FPGA designs, and advanced embedded computing. Together, Reed’s Smart Power Blocks and PWM controllers enable engineers to develop smaller, more efficient, and more reliable power systems while reducing design risk and accelerating time to market.