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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
..

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