|
 |
DiscoverCircuits.com -- Hobby Corner
Last Updated on:
Tuesday, June 01, 2021 03:06 PM
Hobby Circuits List
The contents &
graphics of Discovercircuits.com are copyright protected.
LINK to Dave's circuit, but DO NOT COPY any files to your WEB
SITE server |
|
|
|
|
More
Digital
Control
Motor Control
|
|
Logic Controlled 12v DC Motor
with Automatic Brake
February 18, 2010
|
| There are times when you
would like to control a DC motor using a simple +5v logic swing signal. The
circuit below performs this feat and also includes an automatic motor braking
circuit. When the input logic signal swings from 0v to +5v, the n-channel
MOSFET Q2 turns on, which turns on the p-channel MOSFET Q1. Current flows into
the motor through the Schottky diode D2. When the control logic swings back
0v, Q1 turns off. This activates the braking action of Q4, which applies a
short across the motor. The sudden stop is often desired in some motor
controlled systems. |
|
|
|
|
Click on Circuit Below to view PDF of Schematic |
|
 |
|
|
|
|
|
|
