PWM Heater Driver

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https://www.electronics-lab.com/project/pwm-heater-driver/

The project presented here is a high-current adjustable PWM (Pulse Width Modulation) source, designed to drive various loads such as PTC (Positive Temperature Coefficient) devices, DC motors, solenoids, high-power LEDs, and valves. The project consists of three main components: an SG3525 PWM generator, an MCP4015 MOSFET gate driver, and a MOSFET for load driving. The […]

High-Voltage Half-Bridge Board with Adjustable PWM Signal Generation

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https://www.electronics-lab.com/project/high-voltage-half-bridge-board-with-adjustable-pwm-signal-generation/

The high-voltage half-bridge board features a 2ED2184 half-bridge gate driver, 2 x IKW20N60H3FKSA1-ND IGBTs, and an SG3525 PWM signal generator. This board is designed to support bus supplies of up to 400V DC, PWM frequency up to 6.5Khz and adjustable duty cycle range 2% to 98% making it suitable for a wide range of applications, […]

600W – 230VAC – High Voltage DC Motor Speed Controller – Heater Controller – Lamp/LED Dimmer

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https://www.electronics-lab.com/project/600w-230vac-high-voltage-dc-motor-speed-controller-heater-controller-lamp-led-dimmer/

This is a very powerful DC Motor speed controller for DC motors up to 330V DC and current up to 2A. Basically, the project is a high voltage PWM source with adjustable frequency and adjustable PWM duty cycle range 0 to 99%.  The board has been designed considering many applications and the circuit can be […]

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 […]