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基于dsPIC33FJ設(shè)計(jì)的PSFB磚形DC-DC轉(zhuǎn)換器技術(shù)

作者： 時(shí)間：2011-05-08 來源：網(wǎng)絡(luò) 收藏
echniques such as Phase Shift Full Bridge (PSFB) topology that lower switching losses and enable efficiencies as high as 94%. The Quarter brick DC/DC Converter Reference Design is royalty free when used in accordance with the licensing agreement.

This reference design works with telecom input range 36V – 76V DC and provides 12V with 200W power. Designed with planar magnetics, this reference design implements various non-linear techniques, which improves the performance and efficiency.

1/4磚形DC/DC轉(zhuǎn)換器參考設(shè)計(jì)主要特性：

Primary and Secondary MOSFET control

Active Current Share

Remote ON/OFF

Programmable soft start

Controlled Fall time

Voltage,Current,Temperature monitoring Protection

Configurable output voltage

Full Digital Control

1/4磚形DC/DC轉(zhuǎn)換器參考設(shè)計(jì)指標(biāo)：

Industry standard Quarter-brick (36.8 x 58.4 x 11.4 mm)

Wide input range 36V -76V

Output Voltage: 12V

Output Current: 17A

Output Power : 200W

Efficiency greater than 93%

1500 Vdc input to output isolation


圖12。1/4磚形DC/DC轉(zhuǎn)換器參考設(shè)計(jì)外形圖

圖13。1/4磚形DC/DC轉(zhuǎn)換器的dsPIC? DSC資源圖

圖14。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（1）

圖15。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（2）

圖16。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（3）

圖17。PSFB 1/4磚形DC/DC轉(zhuǎn)換器電路圖（4）

圖18。基板電路圖

電磁爐相關(guān)文章:電磁爐原理



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