Design of high power LD soft-switching linear drive power supply and temperature controller

Abstract

In order to drive linear high-power laser diode, we design a new-style and high-efficiency linear power supply and the temperature controlling system, achieving a high-stability current output from 0 to 6 A, whose current ripple is less than 1%. Innovative design of the rectifier mode switch circuit, voltage feedback networks, the soft-switch anti-surge filter circuit and over-current protection circuits with special current-locking function, greatly enhance the efficiency, stability and security of drive system. We also design a temperature controlling system base on the PID algorithm with over-heating protection circuit. Its control range is 0 - 35degC with a controlling precision of 0.1degC.

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Cite this paper

@article{Zhou2008DesignOH, title={Design of high power LD soft-switching linear drive power supply and temperature controller}, author={Min Zhou and Aiwen Zhang and Zhiping Cai and Huiying Xu and Yang Liu and Manli Li}, journal={2008 2nd International Conference on Anti-counterfeiting, Security and Identification}, year={2008}, pages={372-377} }