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双极型步进电机的斩波驱动电路设计
资料介绍
设计了一款用于双极型步进电机的斩波驱动电路，采用可变增益放大器实现电流检测和角度细分以提高精度，采用新型低功耗功率放大电路降低芯片功耗，并采用0.35μm BCD 工艺，最高输出电压为35 V，驱动能力为＆#177;2.5 A。测试结果表明，负载电源静态电流为3.9 mA，功率管导通电阻不超过0.23Ω，斩波电流误差小于8%。
This paper presents a chopper for bipolar stepper motor. To detect the current, implement microstepping drive, improve the accuracy and reduce power dissipation, a variable gain amplifier and a novel low power amplifier is designed. Fabricated in 0.35μm BCD process, with an output drive capacity of up to 35 V and ＆#177;2.5 A, the test results show that the load supply static state current is 3.9 mA, FET on resistance less than 0.23Ω, choppimg current accuracy less than 8%.
部分文件列表
| 文件名 | 大小 |
| 双极型步进电机的斩波驱动电路设计.pdf | 525K |
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