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CW Digital Laser Diode Driver

! Working with a laser class 4 requires taking precautions!

! The theme is only for experts in this field!

Microprocessor-controlled driver for up to 3W blue laser diode.
It is equipped with all possible protection.
Input Power Supply: 2.8 - 4.2V by Li-Ion battery.
DC/DC Boost Controller performs the following functions:
- Output Current: 0.2 - 2.5A adjustable
- Output Voltage Range: 3.8 - 5.0V adjustable
- Temperature control: 40'C adjustable;
- Soft-Start;
- Full control of the power source /Li-Ion battery/;
- Protection LD from electrostatic voltages;
- Precise current generator: < 100uA noise;
- Protect against transients in current after switching diode;
- Provides full control of the performance of the diode;
- Perform diagnostics and displays it in errors;
- After detection of problem drivers off the LD and goes into sleep mode;
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In the case of a blue laser diode model M140 with 2W power used to generate the blue and green light in DLP projectors.
The scheme is applicable to all other blue laser diodes, but with a change in the settings of the controller.