Akros Silicon

GreenEdge™ Innovations
                      in Energy Management

GreenEdge™ 9-72VDC / 24VAC Single-Output, 2kV-Isolated, Power SoC with  I2C management

AS1451 Block DiagramThe AS1451 is a Digital Power SoC for 9.5-72VDC & 24VAC isolated power applications. It is built on Akros’ integrated GreenEdgeTM 2kV digital isolation technology creating a flexible power platform that eliminates all opto-couplers and minimizes component count and design footprint.

An Isolated Synchronous converter with digital loop and timing control is integrated with digital isolation as part of an advance power system architecture for high-efficiency and cost-effective designs. Selectable spread-spectrum clocking on the PWM reduces the power supply spectral noise for superior EMC performance. Bi-directional Isolated GPIO and isolated ADC enables measurement and management of the isolated Primary circuitry.

Applications

The AS1451 is geared towards use in lower cost, higher power sytems that will greatly benefit from the GreenEdge Technology performane, integration, and feature enablement including I2C advanced software programmability for power management and system diagnostics.

  • Surveillance Cameras, outdoor and PTZ
  • Access Control and Building Management Systems
  • Automotive Power and Infotainment Systems
  • Industrial Ethernet and Wireless Systems, RFID readers
  • Telecom and Datacom backplane, distributed power systems
  • Multi-rail Isolated Flyback and Forward Power Supplies

Features

Digitally Isolated Programmable Power
   Primary-Side DC-DC Controller
  • High-efficiency DC-DC Controller with Digital Optimization
  • Integrated Primary-Secondary High-Voltage 2kV Digital Isolation
  • Programmable Primary Clock Frequency
  Secondary-Side Power Outputs
  • Synchronous Controller with programmable power-FET timing for high efficiency at both light and full loads
  • High current capability 
  • Programmable PWM Frequency

Power Management

  • Hardware programmable Soft Start
  • Power-Good Output
  • Output Voltage margining 
  • Primary GPIO controlled via Secondary I2C
  • Isolated ADC for primary-side sensor measurements
  • 5V µC-compatible with interrupt on alarm services
  • Programmable watchdog timer

EMC Compliance and Protection

  • Synchronous spread-spectrum clocking on PWM
  • Over-current, Under/Over-voltage and Short-circuit Protection
  • Meets UL60950 and UL1577 requirements for basic isolation to 2kVDC/1.5kVRMS
 

 

 Documentation:

Product Brief:
Datasheet:
AS14x1 Datasheet Version:1.3
Application Note:
White Papers:

Contact Info

Among TopTen 2013

Akros TopTen PRAkros Silicon Named Among Ten "Power Electronics Companies to Watch in 2013". - says PowerPulse.Net.
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