Does this question have anything to do with BeagleBones or BeagleBoards? I would suggest you ask it on the Arduino forum.
== On Thursday, June 15, 2017 at 6:16:03 AM UTC-5, [email protected] wrote: > > I have a TB6612FNG > <http://www.kynix.com/Parts/81922/TB6612FNG%2cC%2c8%2cEL.html> motor > driver module. > > > I am trying to control one DC motor (toy DC motor) via Arduino. When I try > to run this setup using a 9V battery the motor runs as expected (albeit > really slow). But when I change the power supply to a 9V DC 1A AC-DC > adapter the motor controller IC gets super hot. When I check the current > from the adapter to the circuit, it shows 1.5A, and the voltage across the > supply is 4.5 V. The motor runs for a second or two, then it stops. I guess > it is because the supplied voltage dropped below the Arduinos operating > voltage. > > > So, my questions are: > > > Why does the IC become hot when powered by the adapter? (I guess I burnt > one chip already. Shouldn't there be a thermal shutdown?) > > > Why does the voltage drop? I guess probably because the adapter is > unregulated, but I am not sure. Do I need to get a different adapter? If > yes, what should be the specs? (When I bought this adapter, I did not know > about regulated vs. unregulated. The Arduino website suggested 9V 1A, so I > got that.) > > > How can I avoid overheating of the IC when running with an adapter? > > > FYI: I am a hobbyist and a newbie in electronics. Please feel free to > suggest alternatives and point out the mistakes. I need to control 4 DC > motors. > > > Thanks > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/635e43f9-2e8c-437c-bba4-500425067bf0%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
