Overview
This full digital power AC to DC Switched-Mode Power Supply (SMPS) system includes both digital power control and digital power management.
- The control feedback or feed-forward loop that regulates the output of the power system is directly controlled by a 56800/E DSC
- The DSC provides the digital power management function for configuration, tracking, monitoring, protection, guiding supply sequence, and communication capabilities
- This reference design is a fully digitally controlled high-frequency Switched-Mode Power Supply based on an NXP® 56F8323 device
- The primary side is the AC-DC converter with power factor correction (PFC) and on the secondary side is a full bridge DC-DC converter
Features
General:
- 500-Watt fully digital switched-mode power supply controlled by
- A 56F8323 with power factor correction
- A 56F8323 for secondary with phase shifting technique
General Benefits:
- Power applications become more flexible and universal
- High input power factor lowers power pollution to the power grid
- Intelligent mode management and fault supervision
- Operating status is monitored and controlled in real time
- Lower system and maintenance cost
Performance:
- Input voltage: 85 ~ 265VAC
- Input frequency: 45 ~ 65HZ
- Rating output voltage:48VDC
- Rating output power: 500W
- Switch frequency: > 100K
- Power factor > 95%
- Efficiency > 90%
Communications:
- RS232 port for communication with optoisolation
Visual Interface:
- Multi-segment LED indicators (input voltage, input current, output voltage, and output current)
Block Diagram
Board
Design Resources