EmbeddedPower

Embedded Power

GE’s Critical Power business provides end-to-end power solutions that offer size, efficiency and cost advantages while reducing risk with standards-based power components.

Front Ends & Rectifiers

Isolated DC-DC Converters

Non-Isolated Point-of-Load Modules

Hybrid Architecture: 85% overall efficiency

Strengths: • Large installed base

LOAD

Isolated / Regulated Converter

48 or 24V Rectification

48V

• Supports SELV systems • Battery back-up systems • Flexibility • Increased value at lower power • Optimized for battery operated systems Weaknesses: • di/dt of isolated bricks less than POLs • Increased costs for multiple isolation points • Multiple conversion steps

2.5V

Non-Isolated / POL

LOAD

92% Efficiency

LOAD

1.2V

Non-Isolated / POL

Optional Batteries

96% Efficiency

LVD

LOAD LOAD LOAD LOAD LOAD

Fully Regulated Bus Converter Isolated / Regulated Converter

48V Rectification 48 or 24V Rectification

12V

3.3V 2.5V 2.5V 1.2V

Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL 96% Efficiency Non-Isolated / POL 96% Efficiency Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL 96% Efficiency Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL 96% Efficiency 96% Efficiency Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL Non-Isolated / POL 96% Efficiency

48V 48V

96% Efficiency 92% Efficiency

Strengths: • Flexibility (bus voltage options) • Multiple high di/dt loads • Provides ground isolation • Competitive cost • Increased efficiencies • Increased power densities Weaknesses: • Multiple conversion steps AC to 12V Bus Architecture: 91% overall efficiency Intermediate Bus Architecture: 88% overall efficiency Strengths: • Highest efficiency • Best power density • Improved EMI performance • Lowest cost Weaknesses: • Circulating current issues • Higher I 2 R losses • Few battery back-up options • No secondary grounds

Optional Batteries Optional Batteries

1.8V

LOAD

LVD LVD

LOAD OAD

1.2V

Isolated / Regulated Converter

48 or 24V Rectification

48V

3.3V 2.5V 1.2V 2.5V 1.8V 1.8V 1.2V 3.3V 1.2V 3.3V 2.5V 3.3V 2.5V 1.8V 2.5V 1.2V 1.8V

LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD LOAD

Fully Regulated Bus Converter 92% Efficiency

12V

48V Rectification

48V

12V

Optional Batteries

12V Rectification

96% Efficiency

LVD

Optional Batteries

LVD

12V

Fully Regulated Bus Converter

48V Rectification

48V

96% Efficiency

12V

12V Rectification

Optional Batteries

LVD

LOAD

1.2V 3.3V

Non-Isolated / POL Non-Isolated / POL

LOAD LOAD

12V

12V Rectification

96% Efficiency

2.5V

Non-Isolated / POL

LOAD

Non-Isolated / POL

1.8V

LOAD

1.2V

Non-Isolated / POL

LOAD

96% Efficiency

For product details, browse our website: www.gecriticalpower.com

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