Semiconductor laser irradiation source circuit
A technology of laser irradiation and source circuit, used in semiconductor lasers, circuits, lasers, etc., can solve the problems of insufficient heat dissipation, complex structure, affecting the performance of semiconductor lasers, etc., and achieve the effect of convenient secondary integration and high output power.
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[0018] by Figure 1 to Figure 6 As shown, this embodiment is composed of a power supply, a laser drive circuit, a laser control circuit, a system status indicating circuit, a temperature protection circuit, and a red light indicating circuit; the power supply includes: circuit power supply VCC, switching power supply PWR, and chip power supply VDD; The laser driving circuit includes: a laser constant voltage circuit, a laser constant current source circuit, the laser constant voltage circuit is connected to the circuit power supply VCC, and the switching power supply PWR; the laser driving circuit is connected to the laser control circuit and the switching power supply PWR; system status indication The circuit is connected to the switching power supply PWR; the temperature protection circuit is connected to the chip power supply VDD; the red light indicator circuit is connected to the chip power supply VDD.
[0019] Preferably, by figure 1 As shown, the laser constant voltage cir...
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