Powering AI processors – 48V vertical power delivery changes the game
AI models demand huge current, driving legacy multiphase designs past 50 phases—causing space, thermal, and control limits Vicor addresses
Data Center PRM™ Regulator and VTM™ Current Multiplier
Dedicated factorized power solutions for computing
The Data Center PRM & VTM solutions leverage the value of Factorized Power Architecture™ in demanding, non-isolated server applications providing 48V Direct to POL power conversion for CPU, GPU, ASIC, and memory loads. These solutions provide high density, high efficiency, and low noise conversion for high performance computing.
PRM Regulator Modules
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| Part Number | Datasheet | Vin (V) | Vout (V) | Output Current (A) | Power (W) | VTM Compatibility | Package | Mounting | Temperature | Dimensions mm | Dimensions in. | Add to cart / view details |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VTM Current Mulitplier Modules
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| Part Number | Datasheet | Vin (V) | Vout (V) | Output Current (A) | K Factor | Mounting | Temperature | Dimensions mm | Dimensions in. | Package | Add to cart / view details | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Datasheet: | Vin (V): 43.2 (26.0 - 55.0) |
Vout (V): 1.8 (1.0 - 2.29) |
Output Current (A): 95.0 |
K Factor: 1/24 |
Mounting: SMD |
Temperature: -40 to +125°C |
Dimensions mm: 13.49 x 22.5 x 4.5mm |
Dimensions in.: 0.531 x 0.866 x 0.177in |
Package: 1323 |
View Details | ||
Power System Designer
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Output
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Features and Benefits
PRM features and benefits
Non-isolated, regulator
ZVS buck-boost topology
~1MHz switching frequency
Power density up to 1,700W/in3 (103W/cm3)
Features and Benefits
VTM features and benefits
Non-isolated, voltage transformer
Up to 135A
High-frequency Sine Amplitude Converter™
Fast transient response
Resources
Resources for the design engineer
Innovative 48V AI power architecture delivers both high current density and high current gain
Vicor 48V Factorized Power Architecture slashes thermal losses and delivers high current density to meet the extreme power demands of AI processors
48V Factorized Power Architecture™ slashes thermal losses and outperforms multiphase approach when powering AI
AI hardware faces severe power and cooling limits. Engineers debate 48V vs. 6V intermediate buses alongside new vertical power delivery (VPD) structures
Powering AI at scale
Maury Wood appears on Electronic Specifier podcast explaining the challenges of powering AI and unveiling the trends toward wafer-scale processors
- AN:005 – FPA Printed Circuit Board Layout Guidelines
- AN:017 – RoHS-Compliant Through-Hole VI Chip Soldering Recommendations
- AN:031 – Through-Hole ChiP Package Soldering Guidelines
- AN:032 – Designing High Power Parallel Arrays with PRMs
- AN:033 – Fault Management Circuit
- AN:034 – Creating Higher Voltage Outputs using Series Connected Sine Amplitude Converters
- UG:013 – VI Chip Configurable PRM® Module Evaluation Board Users Guide
- UG:014 - VI Chip VTM® Evaluation Board User Guide
- UG:016 – VI Chip PRM®Remote Sense Evaluation Board User Guide
- For use with PCB part numbers 38693 and 39573
- Datacenter Power Delivery Architectures: Efficency and Annual Operating Costs
- 48 is the New 12 : Server Power in the Rapidly Growing Digital Universe
- FPA Overview: An Introduction to FPA
- Enabling Next Generation High-Density Power Conversion
- High Current, Low Voltage Solution for Microprocessor Applications from 48 V Input
- Efficient Power Conversion Solutions
- Dual-Stage Feedback Technique for Single-Pole Feedback Compensation
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