双色激光引信在克服云烟干扰方面具有重要价值。为了减小引信体积,保障导弹内部空间的充裕性,设计了一种基于BCD工艺的双色激光引信专用集成电路芯片。首先,对现有双色激光引信的结构和工作原理做出了详细介绍,引出了单芯片设计的思路和方法,并给出了该芯片集成的子电路的设计方法和仿真结果。该芯片使用0.25μm的BCD工艺制造。经测试使用该芯片驱动双色激光器,芯片供电电压5 V,激光器支路供电电压27 V时,红外激光器输出峰值功率可达30 W,紫光激光器输出峰值功率达25 W,脉宽50~500 ns可调,重复频率1~100 k Hz可调,窗口时间1~10μs可调,红外和紫光回波信号在接收部分实现了分离,在功能上成功取代了原系统的4块芯片,实现了系统的简化。 Two-color laser fuze is of great value in overcoming cloud-smoke interference. In order to reduce the volume of the fuse and ensure the sufficient space of the interior of the missile, a two-color laser fuze IC chip based on the BCD process is designed. Firstly, the structure and working principle of the existing two-color laser fuze are introduced in detail, and the ideas and methods of single chip design are introduced. The design method and simulation results of the integrated circuit of the chip are also given. The chip is manufactured using a 0.25μm BCD process. Tested using the chip-driven two-color laser, the chip power supply voltage of 5 V, the laser branch power supply voltage of 27 V, the output power of the infrared laser peak power of up to 30 W, the peak output of the purple laser power up to 25 W, pulse width 50 ~ 500 ns Adjustable, repeatable frequency 1 ~ 100 k Hz adjustable, window time 1 ~ 10μs adjustable, infrared and violet echo signals in the receiving part of the separation, the function successfully replaced the original system of four chips, the realization of the system simplify.