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Volume 28 Issue 3
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 2004 >  28(3): 225-227

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High-accuracy current and temperature control for laser diode using MCS-51 microcontroller

  • 1.

    College of Electronics and Engineering, Jilin University, Changchun 130023, China

  • Received Date: 2003-07-24
    Accepted Date: 2003-12-02
  • A laser controller consisting of MCS-51 microcontroller and Texas Instruments DRV592 power driver is presented.The DRV592 is a high-efficiency,high-current H-bridge ideal for driving a wide variety of the thermoelectric cooler(TEC)elements in systems powered from2.8Vto5.5V.The MCS-51 microcontroller implements a digital proportional-integral-derivative feedback controller using an analog-to-digital converter to read the thermistor,and direct output of pulse-width-modulated waveforms to the H-bridge DRV592 power amplifier.The laser controller can achieve ±0.1℃ temperature and milliampere accuracy,which is internally protected against thermal and current overloads.
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  • [1] WILLIAMS J.光纤激光器用于TEC温度控制器[J].电子产品世界,2001,B12:38～40.
    [2] RAHBAN T.稳定度0.1℃的PWM温度控制器[J].电子产品世界,2003,A2:34～37.
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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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High-accuracy current and temperature control for laser diode using MCS-51 microcontroller

  • 1. College of Electronics and Engineering, Jilin University, Changchun 130023, China
  • Received Date: 2003-07-24
  • Accepted Date: 2003-12-02
  • Available Online: 2004-05-25

Abstract: A laser controller consisting of MCS-51 microcontroller and Texas Instruments DRV592 power driver is presented.The DRV592 is a high-efficiency,high-current H-bridge ideal for driving a wide variety of the thermoelectric cooler(TEC)elements in systems powered from2.8Vto5.5V.The MCS-51 microcontroller implements a digital proportional-integral-derivative feedback controller using an analog-to-digital converter to read the thermistor,and direct output of pulse-width-modulated waveforms to the H-bridge DRV592 power amplifier.The laser controller can achieve ±0.1℃ temperature and milliampere accuracy,which is internally protected against thermal and current overloads.

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