Design of Wide Input Voltage DC-DC Convertor Device for Airborne

doi:10.16628/j.cnki.2095-8188.2021.02.014

LOW VOLTAGE APPARATUS ›› 2021, Vol. 0 ›› Issue (2): 75-80.doi: 10.16628/j.cnki.2095-8188.2021.02.014

• Distributed Generation and Grid-Connection Technology • Previous Articles Next Articles

Design of Wide Input Voltage DC-DC Convertor Device for Airborne

FU Peng, ZHANG Henghao, YIN Hua

Sichuan Institute of Solid State Circuits,China Electronics Technology Group Corp.,Chongqing 400060,China

Received:2020-11-14 Online:2021-02-28 Published:2021-03-25

Abstract

Abstract:

This article introduced a DC-DC convertor based on surface mounted technology process.The convertor adopts the fly-back topology and synchronizer rectifier,it has many functions such as small size,wide input voltage,high efficiency,over current protected and so on.And it can satisfy the power supply of 28 V bus which prescribed by GJB 181B—2012,so the convertor can be used in the intricate condition of airborne.

Key words: DC-DC convertor, fly-back topology, synchronizer rectifier, wide input voltage

CLC Number:

TM46

FU Peng, ZHANG Henghao, YIN Hua. Design of Wide Input Voltage DC-DC Convertor Device for Airborne[J]. LOW VOLTAGE APPARATUS, 2021, 0(2): 75-80.

参数	数值	参数	数值
R₁/kΩ	1.5	R₄/Ω	300
R₂/Ω	200	C₁/pF	200
R₃/kΩ	1	C₂/pF	150

参数	取值
变压器匝比	5∶5
变压器一次侧电感量/μH	4
开关频率/kHz	400
死区时间/ns	20
过流保护点/A	4.5

参数	数值	参数	数值
R₁/Ω	620	R₄/Ω	4.7
R₂/Ω	82	C₁/pF	330
R₃/kΩ	1	C₂/pF	330

厂家	输入电压/V	输出电压/V	输出电流/A	输出效率/%	外形尺寸/mm
本产品	6~60	5	3	>86	≤35.81×29.72×9.14
VPT的VXR15	9~60	5	3	>83	≤35.81×29.72×9.14
SynQor的1/16砖	16~40	5	10	>89	≤36.5×26.3×12.7
军陶的1/16砖	18~75	5	8	>88	≤61.0×25.2×17.8
中国电子科技集团公司15 W系列	16~40	5	3	>83	≤25.6×25.6×10.2

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Design of Wide Input Voltage DC-DC Convertor Device for Airborne

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