全砖激光驱动电源模块的研制

黎陈; 谭志远; 刘平; 李涛; 于婷; 王挺

doi:10.11884/HPLPB202234.220106

全砖激光驱动电源模块的研制

doi: 10.11884/HPLPB202234.220106

中国工程物理研究院应用电子学研究所，四川绵阳 621900

详细信息

作者简介:
黎　陈，1334361728@qq.com

通讯作者:
谭志远，249965173@qq.com

中图分类号: TM461.5
计量
- 文章访问数: 612
- HTML全文浏览量: 209
- PDF下载量: 83
- 被引次数: 0
出版历程
- 收稿日期: 2022-04-13
- 修回日期: 2022-06-13
- 录用日期: 2022-06-30
- 网络出版日期: 2022-07-05
- 刊出日期: 2022-09-20

Development of all-brick laser drive power module

Institute of Applied Electronics, CAEP, Mianyang 621900, China

摘要

摘要: 随着半导体制造工艺的进步以及半导体激光器应用领域的拓展，目前半导体激光器对大功率，小型化驱动电源的需求越来越迫切，推动着驱动电源朝着更高功率密度、模块化的方向发展。基于BUCK电路设计了一款全砖激光驱动电源模块，电源模块整机尺寸为116.8 mm×61 mm×12.7 mm，最大输出电流12 A，最大自适应输出电压为50 V，电流纹波峰峰值小于35 mA，电流稳定度达到了0.067%。同时驱动电源模块设计有过流保护电路，保证了激光器负载可靠安全工作，目前也已在某项目中成功应用。
- 半导体激光器 /
- 驱动电源 /
- BUCK电路 /
- 全砖 /
- 过流保护电路
Abstract: With the progress of semiconductor manufacturing technology and the expansion of semiconductor laser applications, the demand of semiconductor laser for high power and miniaturized driving power becomes more and more urgent. It drives power supply towards the direction of higher power density and modular. This paper introduces the design of an all-brick drive power module based on BUCK circuit. The overall size of the power module is 116.8 mm×61 mm×12.7 mm, and the maximum output current is 12 A, the maximum adaptive output voltage is 50 V. The current ripple is less than 35 mA and the current stability reaches 0.67‰. At the same time, the power module is designed with overvoltage comparator and overcurrent protection circuit to ensure the reliability and the safe operation of laser load. The all-brick drive power module has been applied successfully in a project.
- semiconductor laser /
- drive power supply /
- BUCK circuit /
- all-brick /
- overcurrent protection circuit

HTML全文

图 1 电源模块主电路

Figure 1. Power module main circuit

下载: 全尺寸图片幻灯片

图 2 控制系统设计方案

Figure 2. Control system design

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图 3 控制系统工作流程

Figure 3. Control system workflow

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图 4 过流保护电路

Figure 4. Overcurrent protection circuit

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图 5 电源实物图片

Figure 5. Power supply picture

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图 6 测试波形

Figure 6. Test waveform

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图 7 过流保护波形

Figure 7. Overcurrent protection waveform

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图 8 上位机显示界面

Figure 8. Display interface of upper computer

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表 1 电源稳定度测试数据

Table 1. Results of experiments

No. time/min output current/A

1 10 11.8
2 20 12.0
3 30 12.1
4 40 11.9
5 50 12.0
6 60 12.2
7 70 12.1
8 80 12.0
9 90 12.0
10 100 12.2
11 110 12.0
12 120 11.8

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