Design of a Thick Film Hybrid Integrated Spaceborne Secondary Power Supply

doi:10.16628/j.cnki.2095-8188.2024.09.008

Abstract

Abstract:

A design method for the secondary power supply is proposed to meet the demand of high-power, high-efficiency, and miniaturized secondary power supplies for spaceborne radar systems.The circuit design and the process design schemes are introduced in detail.The various functions such as power conversion, surge suppression, EMI filtering, and protection are integrated in the power module.The process is based on thick-film hybrid integrated microassembly technology and the structure adopts a double-layer assembly structure design.The simulation analysis is carried out.Finally, a prototype is developed and tested.Test results are confirmed that compared to traditional power supplies, the designed secondary power supply has reduced volume by 85% and weight by 74%,which can offer a miniaturized and lightweight solution for spaceborne radar system’s secondary power supply needs.

Key words: secondary power supply, spaceborne radar, hybrid integration, microassembly, thick film technology

CLC Number:

TM46

ZHENG Dong, DONG Xiaowei, GAO Donghui, HUANG Yuwei. Design of a Thick Film Hybrid Integrated Spaceborne Secondary Power Supply[J]. LOW VOLTAGE APPARATUS, 2024, 0(9): 51-59.

Figures/Tables 21

References 11

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器件名称	器件型号	技术指标
器件名称	器件型号	总剂量/ krad(Si)	单粒子/ (MeV·cm²·mg^-1)
抗辐射PWM 控制器	XX02FCD	≥100	≥75
抗辐射驱动器	XX10ACD	≥100	≥75
抗辐射驱动器	XX10BCD	≥100	≥75
MOSFET	XX83	≥100	≥75
	XX26N20R	≥100	≥75
	XX10N40R	≥100	≥75

垂直安装面方向		平行安装面方向
频率/Hz	谱密度	频率/Hz	谱密度
10~100	+6 dB/oct	10~200	+6 dB/oct
100~350	0.5 g²/Hz	200~1500	0.16 g²/Hz
350~400	-21 dB/oct	1500~2000	-12 dB/oct
400~1 500	0.2 g²/Hz
1 500~2 000	-12 dB/oct
总均方根加速度	20.9g	总均方根加速度	16.1g

序号	技术指标		要求值	测试值	是否满足
1	输入电压/V		78~100.8	78~110	满足
2	输出电压/V		-5、5、42±0.1 (-5 V输出) -5、5、42±0.1 (+5 V输出) -5、5、42±0.3 (+42 V输出)	-5.062 5.038 41.769	满足
3	输出电流/A		1 (-5 V输出) 3 (+5 V输出) 7 (+42 V输出)	1 (-5 V输出) 3 (+5 V输出) 7 (+42 V输出)	满足
4	电涌电流	幅值	≤1.5倍工作电流	≤1.5倍工作电流	满足
4	电涌电流	斜率/ (A·s^-1)	≤10⁵	≤10⁵	满足
5	电压调整度/V		≤0.5	≤0.5	满足
6	输出纹波/mV		≤100 (+42 V输出) ≤50 (+5 V输出) ≤50 (-5 V输出)	≤90 (+42 V输出) ≤40 (+5 V输出) ≤40 (-5 V输出)	满足
7	输入反射纹波/mV		≤600	≤500	满足
8	效率/%		≥88	88.7	满足
9	过冲和下陷/V		≤0.5	≤0.3	满足
10	工作温度/℃		-35~+50	-35~+50	满足
11	外形尺寸/mm		100×50×15	100×50×15	满足
12	重量/g		200	180	满足