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Bidirectional motor control without MCU or NE555

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jmx66

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Bidirectional motor control.png


Hi all,

I found this schematic, and i want to know if there's no mistakes...

In fact, motor current is about 2 A ,so what resistors values for TIP122 - TIP31 become TIP122 - ?

It's for a road book, so no MCU, NE555 ...


Thanks a lot.

jm
 

Thanks a lot for your reply.

For more current if TIP31 replaced by TIP122, resistor values changed?

Thanks a lot.

jm
 

jmx66 said:
Thanks a lot for your reply.

For more current if TIP31 replaced by TIP122, resistor values changed?

Thanks a lot.

jm
Click to expand...

Yes you can .. But you should have a supply of higher current because Tip31 supports 3A flow and Tip122 supports 5A flow ..
 
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    jmx66

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Thanks a lot.

Don't worry about power supply...

Alternator + bridge output of Yam 500XT: so 60 Watt isn't a problem.

Jm
 

Aren't some of the base resistors missing.
 
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    jmx66

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Thanks a lot first,

Right for upper transistor, so mistake on this schematic?

For lower 2.2 KOhm and 10 KOhm.


Regards.

jm
 

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