3Amps DC Motor Speed & Direction Controller Using LMD18201 & 555 Timer
The circuit shown here are a DC Motor Speed and Direction Controller. Driver can handle DC Motor Load Up to 3Amp and DC supply 12V to 48V DC, The board is based on LMD18200 which is H-Bridge driver & 555 Timer IC generate PWM signal for speed control. Slide provided for direction Control. PWM duty cycle 10% 95%.
The LMD18201 is a 3A H-Bridge designed for motion control applications. The device is built using a multi- Shorted Load Protection technology process which combines bipolar and Internal Charge Pump with External Bootstrap CMOS control circuitry with DMOS power devices on Capability the same monolithic structure. The H-Bridge configuration is ideal for driving DC and stepper motors. The LMD18201 accommodates peak output currents up to 6A.
- Motor Supply 12V 48V DC
- Motor Load 3Amp 12V 48V DC
- Logic Supply 5V DC
- SW1 : Slide Switch To Change the Motor Direction CW/CCW
- Duty Cycle 10% To 95%
- Frequency 5Khz Approx.
- Potentiometer Speed Adjust
- LED Power Indicator
Note : J1 Jumper Close For Normal Operation.