RD56F8300SMPS: Digital AC/DC Switched-Mode Power Supply Reference Design Using 56F8300 DSCs

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RD56F8300SMPS: Digital AC/DC Switched-Mode Power Supply Reference Design Using 56F8300 DSCs

RD56F8300SMPS: Digital AC/DC Switched-Mode Power Supply Reference Design Using 56F8300 DSCs

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

RD56F8300SMPSBLK.jpg

Board

RD56F8300SMPSIMG.jpg

Design Resources

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最后更新:
‎08-11-2020 09:44 AM
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