TB6612 Update – Does It Need Diodes?

Several months ago I wrote a post about a breakout board for the TB6612 motor driver.  You can find that here.  The reason I made my own breakout board for this was that the ones available from Sparkfun, Adafruit, and Digikey didn’t have diodes on the board.  The TB6612 says it has internal diodes but those are small and I saw somebody online suggest always using external diodes.  Today I realized I wasn’t sure if I actually needed them or not so I decided to do my own test to find out.

Continue reading “TB6612 Update – Does It Need Diodes?”

TB6612FNG Motor Driver Breakout Board

Part of a robot controller I’m currently working on involves using some motor controllers.  Since this robot controller is expensive and I’ve never worked with h-bridges (other than in professional products) I decided to make a breakout board to test it rather than risk making a stupid mistake on the robot controller.  Luckily, it all worked perfectly so I’m sharing it with the world so that other people can learn from it. Continue reading “TB6612FNG Motor Driver Breakout Board”