I pulled out two motors from an Epson Stylus Photo I’m a newbie with this hardware stuff, but old printers seem like a great source for these things. Trying to make a perferator slitting unit. Neither this Agreement, nor any of the rights or obligations herein, may be assigned or transferred by Licensee without the express prior written consent of ON Semiconductor, and any attempt to do so in violation of the foregoing shall be null and void. This Agreement may not be amended except in writing signed by an authorized representative of each of the parties hereto.

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Licensee agrees that it shall maintain accurate and complete records relating to its activities under Section 2.

ON Semiconductor shall own any Modifications to the Software.

LB1847: PWM Current Control Type Stepper Motor Driver

So far it has been fun, but unpredictable. Within 30 days after the termination of the Agreement, Licensee shall furnish a statement certifying that all Content and related documentation have been destroyed or returned to ON Semiconductor. You will receive an email when your request is approved. The parties hereto are for all purposes of this Agreement independent contractors, and neither shall hold itself out as having any authority to act as an agent or partner of the other party, or in any way bind or commit the other party to any obligations.

Most used chips of some sort, rather than discrete transistors. Selectable current decay pattern.

Stepper motors salvaged from Printer by pm on Mon Mar 22, 9: A special feature of this IC is that VREF voltage is constant while the current can be set in 15 steps, allowing drive of motors ranging from phase exciter types to 4W phase exceiter types.


I hope to notor someone: Manufacturers will not generally use a part spec’d higher than absolutely necessary, because it’s cheaper that way. They seem to be running on 5 volts. I assume when the motor starts slowing down or sounding bad I have crossed the top speed threshold, but that is probably dependent on current and voltage.

There will be filter capacitors on the motor driver power plane, which will have a mohor rating on them a little higher than the actual voltage. Sometimes seems perfect sometimes off. Load current digital selector. If you agree to this Agreement on behalf of a company, you represent and warrant that you have authority to bind such company to this Agreement, and your agreement to these terms will be regarded as the agreement of such company.

I guess we salvaged the same printers, I have been playing with the same motors for a couple of weeks, try to get their specs.

SANYO LB1847 PWM Stepper Motor Driver DIP ()

The results I am seeing for calibration are weird. Some also use them in the paper path motors and those will be higher power than the scanner motors. At a minimum such license agreement shall safeguard ON Semiconductor’s ownership rights to the Software. Haven’t tried pumping any more thru them yet to see if they are faster or get hot.

motro Also, if you have a need for small 3-phase brushless DC motors, laser printers and toner-based digital copiers use them in the laser notor assembly that draws the picture on the drum. Licensee agrees that the delivery of any Software does not constitute a sale and the Software is only licensed.


Subject to the foregoing, this Agreement shall be binding upon and inure to the benefit of the parties, their successors and assigns.

SANYO LB PWM Stepper Motor Driver DIP () | eBay

Watch me build an electric bike from assorted junk! Don’t think I am going to figure this out without trial and error, but maybe there is a way?

This Agreement, including the Exhibits attached hereto, constitutes the entire agreement and understanding between the parties hereto regarding the subject matter hereof and supersedes all other agreements, understandings, promises, representations or discussions, written or oral, between the parties regarding the subject matter hereof.

Stepper motors salvaged from Printer Moderators: Trying to make a perferator slitting unit. The term of this agreement is perpetual unless terminated by ON Semiconductor as set forth herein. Does mofor know what would happen if I try to use a lower voltage for the motors?

It’s a bummer specs aren’t easily found for these things. Sorry if this is an annoying post. This Agreement may be executed in counterparts, each of which shall be deemed to be an original, and which together shall constitute one and the same agreement.