PWM Module with Dual Source/Sink Outputs using SG3525

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https://www.electronics-lab.com/project/pwm-module-with-dual-source-sink-outputs-using-sg3525/

SG3525 PWM module is a great tool for every hobbyist. This circuit can be used in various applications such as switching power supply, DC-DC converter, DC motor speed controller, LED dimer, High voltage power supply, solenoid driver, and electronic DC load.  This low-cost pulse width modulator control circuit offers improved performance. The circuit has various […]

12W Dimmer with Soft Start for 12V LEDs

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https://www.electronics-lab.com/project/12w-dimmer-with-soft-start-for-12v-leds/

The circuit presented here is a LED dimmer with a soft-start function. The board can drive a LED up to 12W and the circuit can manage a load up to 1A continuous with 12Vsupply. The circuit is built using SG3525 PWM IC and the IRFR120 MOSFET, SG3525 generates the PWM, and IRFR120 MOSFET drives the […]

PWM Solenoid and Valve Driver using DRV103

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https://www.electronics-lab.com/project/pwm-solenoid-and-valve-driver-using-drv103/

This tiny module is a PWM Solenoid and Valve driver using the Texas instrument’s DRV103 low-side DMOS power switch, employing a pulse-width modulated (PWM) output. Its rugged design is optimized for driving electromechanical devices such as valves, solenoids, relays, actuators, motors, and positioners. This board is also ideal for driving thermal devices such as heaters, […]