Microchip dsPIC33FJ PSFB砖形DC-DC转换器参考设计

Microchip 公司的dsPIC33FJ06GS101/X02和dsPIC33FJ16GSX02/X04包括有广泛的DSP功能和高性能16位MCU架构。3.0-3.6V的性能达到40MIPS，具有16位宽的数据通路，24位宽指令，广泛应用在AC/DC转换器，汽车HID，电池充电器，DC/DC转换器，数字照明，电磁炉，可再生能源/纯正弦波逆变器和UPS。本文介绍了dsPIC33FJ系列主要特性，方框图和CPU 核方框图，DSP 引擎方框图，数字PFC框图以及多种应用框图。此外还介绍了相移全桥（PSFB） 1/4砖形DC-DC转换器参考设计主要特性和指标，详细电路图与材料清单（BOM）。
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04 devices contain extensive Digital Signal Processor (DSP) functionality with a high-performance, 16-bit microcontroller (MCU) architecture.
dsPIC33FJ系列主要特性：
Operating Range:
• Up to 40 MIPS Operation (at 3.0-3.6V):
- Industrial temperature range (-40℃ to +85℃)
- Extended temperature range (-40℃ to +125℃)
High-Performance DSC CPU:
• Modified Harvard Architecture
• C Compiler Optimized Instruction Set
• 16-Bit Wide Data Path
• 24-Bit Wide Instructions
• Linear Program Memory Addressing up to 4M Instruction Words
• Linear Data Memory Addressing up to 64 Kbytes
• 83 Base Instructions: Mostly 1 Word/1 Cycle
• Two 40-Bit Accumulators with Rounding and Saturation Options
• Flexible and Powerful Addressing modes:
- Indirect
- Modulo
- Bit-Reversed
• Software Stack
• 16 x 16 Fractional/Integer Multiply Operations
• 32/16 and 16/16 Divide Operations
• Single-Cycle Multiply and Accumulate:
- Accumulator write back for DSP operations
- Dual data fetch
• Up to ±16-Bit Shifts for up to 40-Bit Data
Digital I/O:
• Peripheral Pin Select Functionality
• Up to 35 Programmable Digital I/O Pins
• Wake-up/Interrupt-on-Change for up to 30 Pins
• Output Pins can Drive Voltage from 3.0V to 3.6V
• Up to 5V Output with Open-Drain Configuration
• 5V Tolerant...