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Factorized Power Architecture
Achieving high density and efficiency in board-mounted power The Ideal PoL Example Applications

Layout crowding is a challenge when using a conventional, space-constrained approach

Density

Size of power converter prevents it from being placed close to load

High current

High output current causes large line (I2R) losses

Caps

Large bulk-electrolytic caps crowds space near the load

Noise

Switcher close to load causes noise

Traditional power system architecture

The ideal point-of-load power system

Vicor Factorized Power Architecture

Advantages of factorized power architecture

Efficiency

Minimizes wasted energy

Low EMI

Low EMI

Adjustable

Adjusts for any load

Scaleable

Scales for power demands

High density

High density

Flexible

Component position flexibility

Fast transient response

Fast transient response

Modular

Easy, modular design

Modular component design allows for almost unlimited customization and optimization in many different applications

Simplified sensing

The PRM uses the factorized bus current to regulate the voltage on the secondary of the VTM and provides 1% regulation at the PoL without voltage sense lines.

Simplified sensing power chain

Multiple outputs from a single regulator

One regulator can drive multiple transformation stages (VTM) to provide different PoL voltages.

Multiple outputs from a single regulator power chain

Bulk capacitance elimination

With its low output impedance, smaller ceramic capacitors (up to 1000x less capacitance) may be used at the VTM input in place of PoL bulk capacitors.

Bulk capacitance elimination power chain

Bi-directional transformation

Select VTMs operate with source power applied to input or output terminals to support bi-directional applications.
 

Bidirectional transformation power chain

Next generation MCD and MCM

Enables Power-on-Package technology and on motherboard for high current XPUs.

MCM and MCM power chain

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