Laser adjustable constant current drive circuit
Source: InternetPublisher:清宁时光 Keywords: Laser constant current drive circuit Updated: 2024/07/18
Laser adjustable constant current drive circuit
The figure below is a simple laser constant current drive circuit. The drive current can be adjusted by adjusting RP. According to the circuit in the figure below, the maximum drive current can be 1A. Of course, D3 should be a high-power transistor, and a heat sink should be added during production. The best power of R3 should be above 3W.
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