摘要
为了降低电动汽车驱动控制器的成本和功耗,提出了一种采用高摆率运算放大器的嵌入式数字驱动控制器。该运算放大器包括一种新型压摆率提升电路,以便提升负载。驱动控制器总体结构包括8051单片机、嵌入式FLASH存储器、定制的DSP协同处理器等模块。采用0.18 mm CMOS工艺进行了实现。实验测量结果显示,相比其他类似结构,提出的运算放大器能够驱动负载1 000 p F的功率晶体管,并且功耗更低仅为0.38 m W,压摆率为0.22 V/ms,能够满足汽车应用的严苛要求（环境温度范围为-40℃~160℃）,并且静电放电（ESD）特性为±4 k V。
In order to reduce the cost and power consumption of an electric vehicle driving controller,a high slew rate operational amplifier is proposed. The amplifier includes a novel slew rate enhancement circuit for lifting loads. The overall structure of the drive includes 8051 microcontroller ,embedded FLASH memory ,customized DSP co-processor ,resistor type DAC ,power management unit（PMU）as well as the analog buffer. The whole drive controller has been realized in 0.18μm CMOS technology. Experimental measurements show that compared to other similar structures,the proposed operational amplifier allows to drive 1000 pF high loads of power FET,the power loss is only 0.38 mW,slew rate is 0.22 V/μs,and it can able to meet the automotive applications demanding（the environment temperature range is-40℃~160℃）,and electrostatic discharge（ESD）characteristics of ＆#177;4 kV.
出处
《电子器件》
CAS
北大核心
2016年第6期1501-1505,共5页
Chinese Journal of Electron Devices
基金
广东省高职汽车专业教指委教学改革项目(GDGZQCJZW015)
关键词
电动汽车
高压摆率
驱动控制器
增益提升
electric vehicle
high slew-rate
drive controller
gain promotion
