RSM3517
High Efficiency, Isolated, Regulated 12V, 600W, Digital DC/DC Intermediate Bus Converter
Features
-
High-Efficiency Power Conversion
• The RSM3517 supports a 36V to 75V input range
• Regulated 12V output with ±10% trim capability via the
TRIM pin
• Up to 600W continuous output power
• Up to 95% peak efficiency
Digital Monitoring & Control
• PMBus telemetry and configuration
• Input/output voltage monitoring
• Output current and temperature monitoring
• Fault reporting and diagnostics
Integrated Protection
• Overvoltage protection
• Overcurrent protection
• Overtemperature protection
• Positive enable control
Package & Manufacturing
• Industry-standard Eighth-Brick form factor
• 58.4mm × 22.8mm × 12.7mm package
• Select models support wave and reflow soldering
• MSL3 rated
Description
RSM3517 600W Isolated Digital DC/DC Converter with PMBus
Modern AI servers, telecommunications equipment, networking infrastructure, and industrial computing platforms increasingly require isolated power conversion to improve system reliability, reduce electrical noise, and meet safety requirements. The RSM3517 is a high-efficiency 600W isolated digital DC/DC converter that converts a 36V to 75V input into a tightly regulated 12V output, providing an efficient and intelligent power source for distributed power architectures.
Combining up to 600W continuous output power, 95% peak efficiency, adjustable regulated output voltage, and integrated PMBus® configuration and telemetry, the RSM3517 enables designers to build compact, digitally managed power systems while simplifying monitoring, diagnostics, and system integration. Housed in an industry-standard eighth-brick package, the module is optimized for AI systems, cloud infrastructure, networking equipment, and industrial applications requiring isolated power conversion.
Designed for Isolated Distributed Power Architectures
Many modern systems require galvanic isolation between the input power source and downstream electronics to improve system safety, reduce ground-loop noise, and simplify power distribution across complex platforms.
The RSM3517 efficiently converts a 36V to 75V input into a regulated 12V output, making it ideal for powering intermediate distribution rails, communication equipment, industrial controllers, and downstream point-of-load regulators.
Typical applications include:
- Artificial intelligence (AI) systems
- Data center infrastructure
- Networking switches and routers
- Telecommunications equipment
- Industrial automation systems
- Distributed power architectures
- FPGA and ASIC platforms
- Embedded computing systems
High-Efficiency 600W Power Conversion
Power conversion efficiency directly impacts thermal performance, cooling requirements, and operating costs. The RSM3517 combines high efficiency with compact packaging to maximize power density.
Key performance highlights include:
- 36V to 75V input voltage
- Regulated 12V output
- Adjustable output voltage (−20% to +10%)
- Up to 600W continuous output power
- Peak efficiency up to 95%
- Positive enable logic
The adjustable output voltage provides additional flexibility, allowing designers to optimize the module for a wide range of downstream power architectures.
Intelligent Digital Power Management
The RSM3517 integrates a digital controller with a PMBus® interface, enabling comprehensive monitoring, configuration, and diagnostics throughout system operation.
Using PMBus, designers can:
- Configure module operating parameters
- Monitor input voltage
- Monitor output voltage
- Monitor output current
- Monitor output power
- Monitor module temperature
- Read fault and status information
These capabilities simplify manufacturing, accelerate system validation, improve field diagnostics, and enable predictive maintenance in mission-critical computing and communications equipment.
Comprehensive Protection for Reliable Operation
To ensure reliable operation under demanding conditions, the RSM3517 integrates multiple protection mechanisms that safeguard both the converter and downstream electronics.
Integrated protection includes:
- Overvoltage protection (OVP)
- Overcurrent protection (OCP)
- Overtemperature protection (OTP)
- Fault reporting through PMBus
- Positive remote enable
These features improve system reliability while reducing the need for external supervisory circuitry.
Part of Reed’s AI Power Portfolio
The RSM3517 complements Reed Semiconductor’s expanding family of digital power solutions for AI, cloud, and networking applications.
A complete system may include:
- Reed eFuses for input power-path protection.
- RSM3517 for isolated 36V–75V to regulated 12V conversion.
- Reed multiphase controllers for generating low-voltage processor rails.
- Reed Smart Power Blocks and Smart Power Stages for high-current point-of-load regulation.
Together, these products provide a complete power delivery solution, from the system input to the processor core.
Why Choose the RSM3517?
The RSM3517 combines high-efficiency isolated power conversion, digital PMBus management, and comprehensive protection into a compact eighth-brick module designed for demanding infrastructure applications. With its regulated 12V output, adjustable voltage trim, and integrated telemetry, it simplifies the design of reliable, intelligent power systems for AI, networking, telecommunications, and industrial equipment.
