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We are building a new PWM for our lasers

Everything about TTL and laser control. Learn about PWM and how does it work.

Characteristics of the prototype look like this

    • PWM frequency 6 kHz
    • Power supply 9 – 12 V
    • OLED display 128×32 points
    • Current stabilization from 1 to 5.5 A
    • Laser radiator temperature sensor
    • Resource counter in hours.
    • The possibility of manual adjustments.
    • External control input with galvanic isolation.

 

Step-down DC / DC converter based on Texas Instruments LM25119 two-phase synchronous controller. Input voltage: 12-14V.
Output voltage: 1.5-3V.
Maximum operating output current: 60A.
Efficiency: approximately 85-87%.
Built-in PWM controller with power key.
PWM frequency control: 300Hz.
Adjusting the duty ratio: 0..100%.

 

 

 

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