Close
0%
0%

555 + MOSFET PWM Controller

Tiny PWM controller for motors, LEDs or any loads

lysergicenemylysergicenemy
Following
Liked Like project

Just one more thing

To make the experience fit your profile, pick a username and tell us what interests you.

Pick an awesome username
hackaday.io/
Your profile's URL: hackaday.io/username. Max 25 alphanumeric characters.
Pick a few interests
Projects that share your interests
People that share your interests

We found and based on your interests.

Choose more interests.

OK, I'm done! Skip
Similar projects worth following
713 views
0 comments
2 followers
View Gallery
Implementation of PWM controller for active/inductive loads based on 555 timer and MOSFET in TO252 package.
There are 2 versions of the board: dual side and single side for homemade.

PWM frequency setting:

Freq.pwm = 1 / 0.693 * ( R1 + R3 ) * C1 =
= 1 / 0.693 * 101000 * 0.000000001 = 14.287 KHz.

  • 1 × NE555DR SOIC-8 Clock and Timer ICs / Timer ICs
  • 1 × BAT54S SOT-23(SOT-23-3) Discrete Semiconductors / Diode Arrays
  • 1 × RES 1206 1KOm SMD Resistor
  • 1 × RES 1206 5KOm SMD Resistor
  • 1 × LED 0805 Green SMD LED

View all 17 components

  • some changes

    lysergicenemy • 09/14/2018 at 21:43 • 0 comments

    * Added 100 nF bypass capacitor on NE555 supply for optimaze FET gate charge process.

    * LED resistor value replaced by on 5 kOm.

View project log

Enjoy this project?

Share

Discussions

Similar Projects

This PWM regulator circuit allows you to vary the brightness of LED strips or the speed of DC motors by modulating a PWM signal.
Project Owner Contributor

PWM NE555

electronicabcElectronicABC

Delta-Sigma: solution for a virtually unlimited number of DACs, and with faster refresh rates than PWM. Applicable on any microcontroller.
Project Owner Contributor

Delta-Sigma versus PWM

rogeorgeRoGeorge

Tiny Breakout Board for I²C 16-channel, 12-bit PWM Controller PCA9685
Project Owner Contributor

i2c PWM Expander PCA9685 Breakout Board

sdtelectronicsSdtElectronics

Collaborative Robotic Arm Used as Assistant in an Electronic Workshop And Controlled by Voice Commands and Capsense Technology
Project Owner Contributor

Work-holding Robotic Arm for Electronic Workshop

guillermo-perez-guillenGuillermo Perez Guillen

Does this project spark your interest?

Become a member to follow this project and never miss any updates

By using our website and services, you expressly agree to the placement of our performance, functionality, and advertising cookies. Learn More

Yes, delete it Cancel

Report project as inappropriate

You are about to report the project "555 + MOSFET PWM Controller", please tell us the reason.

Send message

Your application has been submitted.

Remove Member

Are you sure you want to remove yourself as a member for this project?

Project owner will be notified upon removal.