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PWM MUSHROOM MOTOR CONTROL WITH TL494 SCHEMATIC CIRCUIT DIAGRAM

PWM (Pulse Width Modulation) One method that is often used for DC motor control using a microcontroller is Pulse Width Modulation (PWM) method. The speed of the electric motor depends on the modulator voltage. The greater the voltage, the faster the rotation of an electric motor.

Motor drive circuits made with TL494 PWM control integrated low current P channel N channel and NP channel mosfetler reinforced different circuits without MOSFET Schematic drawings prepared with splanes

PWM MUSHROOM MOTOR CONTROL WITH TL494 SCHEMATIC CIRCUIT DIAGRAM

A PWM (pulse-width modulation) in many packages pulsed in a car, which is not a car full Compare power, but just. Blinking visible is that would are are are are are are For example, at 300-hertz solenoid valves or motors or even 20 kilos Hertz and more for other applications. Crucial for the clock. Set up an application.

Pulse-width modulation with TL494 The TL494 is an extremely comfortable pulse-width modulation. An IC with many features, and there are many other features such as the 10-to-20-fold cost.

Project features
– Power supply range: 12V to 30V
– Current usage: maximum at 20A
– Current output: Maximum at 20A
– Standby current: 20mA
– Motor controller: 0 to 100%
– Cut off working when lower battery voltage: As setting at 11.5V for 12V and 23V for 24V battery.
– Adjusting pulse frequency: about 100Hz to 1.1 Khz(129 Hz to 1.28 kHz in this project)
– Soft start: between 0 to 100% in a range lower than 1 second
Pulse rising-edge and falling-edge at the gate of MOSFET: 1.5uS and 1.6uS
-VR1:speed controlled
-VR4: Low voltage output protection
-VR3-adjust the pulse frequency output
-VR2-sub speed controller

Parts will you need

  • IC1: TL494, Pulse width modulation(PWM)
  • REG1: LM2940CT-12, Regulator
  • Q1, Q2: IRF1405, N-channel MOSFET
  • Q3: BC327, 45V 800mA PNP Transistor
  • Q4: 2N5484, N-Channel FET
  • D1: MBR20100CT, High-frequency Diode
  • D2-D6: 1N4148, 75V 0.15A Diodes
  • ZD1,ZD2: 1N4744, Zener Diode

Applications

  • Desktop PCs
  • Microwave Ovens
  • Power Supplies: AC/DC, Isolated, With or Without PFC
  • Server PSUs
  • Solar Micro-Inverters
  • Washing Machines: Low-End and High-End
  • E-Bikes
  • Power: Telecom/Server AC/DC Supplies:
  • Dual Controller: Analog
  • Smoke Detectors
  • Solar Power Inverters
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