M2-ATX with AX2550

13 years 5 months ago #18415270 by seesoe
M2-ATX with AX2550 was created by seesoe
hello, i was wondering if it would be a ok idea do wire the AX2550 to a 12v battery along with the M2-ATX DC-DC PSU? if so what would be the specs of a correct battery for that configuration. keeping in mind of course the motors will have their own batteries.

info on the M2-ATX can be found here:
store.mp3car.com/M2_ATX_160W_Intelligent...DC_PSU_p/pwr-015.htm

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13 years 5 months ago #18416910 by cosma
Replied by cosma on topic Re:M2-ATX with AX2550
All you should need is to bring the 12V output to the Pwr Control wire on the controller.

If you want that the controller shuts off when that power supply is connected, you may need a pull down resitors between the 12V out and ground. This way, when the power supply is off, you get a real 0V level, which in turn will disable the controller's internal DC/DC converter. A 1K value sould work.

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13 years 5 months ago #18448592 by seesoe
Replied by seesoe on topic Re:M2-ATX with AX2550
can i pull 12v from the computers PSU to power the controller, so that way only one thing is wired to the battery. or would there be problems with the 12v the PSU provides?

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13 years 5 months ago #18449837 by cosma
Replied by cosma on topic Re:M2-ATX with AX2550
The PSU should only bring power to the Power Control wire.

There is not enough output current to power the motors. Connect Vmot directly to the battery + terminal.

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