并且对白光led特性进行分析，设计了恒流驱动电路，保证发光质量。
And this paper analyzes the characteristic of white LED, designs constant-current drive circuit, so that guaranteeing the quality of light.
安全防护电源电路：恒流驱动电路，高标准防护系统：对过压、过热、浪涌、防雷具有良好的保护作用。
Safety protection power circuit: Constant current control circuit, high standard standard protection system: preventing high voltage, temperature, surge, lightning and so on.
驱动电路采用恒流斩波方式，提高了步进电机的运转扭矩和工作效率。
The driving circuits adopt constant current chopping for the purpose of improving rotating torque and increasing working efficiency of the stepper motor.
独特电路设计，采用高性能恒流驱动电源，真正达到了高效节能的目的。
Unique circuit design, using high-performance constant-current drive power, thereby achieving a highly efficient energy-saving purposes.
独特电路设计，采用高性能恒流驱动电源，真正达到了高效节能的目的。
Unique circuit design, using high-performance constant-current drive power, really reached efficient energy-saving.
建立了包括电流控制电路、功率驱动电路以及五相混合式步进电动机在内的恒频斩波恒总流驱动系统的完整的数学模型；
Mathematical model of the system, included the current control circuit, power driving circuit and five-phase hybrid stepping motor is established.
并采用MAX16834作为LED的恒流驱动ic，设计了大功率LED驱动电路。
We use MAX16834 constant current IC to design the high power LED driver circuit.
并采用MAX16834作为LED的恒流驱动ic，设计了大功率LED驱动电路。
We use MAX16834 constant current IC to design the high power LED driver circuit.
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