Reverse engineering DC 18 Volts motor driver

Thread Starter

rcarabaj

Joined Apr 10, 2005
7
Hello:
I am reverse engineering a DC motor control circuit. It use 18 volts, two IRF7309 power MosFet, four 2N3906 low signal transistors, four diodes, two ferrite coils, and I am trying to figure out the circuit. Can anybody give me and idea of how the circuit shape could be (perhaps a similar design). It's controlled by a microprocessor output.
Thanks in advance. My best regards.
Rob
 

hgmjr

Joined Jan 28, 2005
9,029
Originally posted by rcarabaj@Apr 10 2005, 08:36 AM
Hello:
I am reverse engineering a DC motor control circuit. It use 18 volts, two IRF7309 power MosFet, four 2N3906 low signal transistors, four diodes, two ferrite coils, and I am trying to figure out the circuit. Can anybody give me and idea of how the circuit shape could be (perhaps a similar design). It's controlled by a microprocessor output.
Thanks in advance. My best regards.
Rob
[post=6826]Quoted post[/post]​
Can you post a schematic to show what the actual circuit looks like? You can attach a .BMP or .JPG or .PDF or .DOC file.
 
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