Greenwatts

L6202 Circuit

Build the motor drive circuit. A large wattage ceramic resistor of a few ohms should be placed in series with the power supply to protect the circuit and motors from over heating.

• Pin 2 - logic input to enable both outputs
• Pin 4,5,6 - grounds
• Pin 8 - output of second half bridge (motor drive)
• Pin 9 - supply voltage to drive motors 12-24 volts
• Pin 10 - output of first half bridge (motor drive)
• Pin 11 - bootstrap to first half bridge output
• Pin 12 - logic input (TTL) for first half bridge
• Pin 13,14,15 - grounds
• Pin 16 - logic input (TTL) for second half bridge
• Pin 17 - bootstrap to second half bridge output
• Pin 18 - internal reference voltage
• C1 - 22mf 50volts electrolytic capacitor
• C2 - .22mf SMD ceramic capacitor
• C3,C4 - 10nf SMD ceramic capacitor
• LEDs - 5mm 563nm Hi Green Water Clear
• Drv - L6202 DMOS Full Bridge Driver