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At least people are aware you have to remove this PCB to do anything useful. Speculation has included that the device is a voltage regulator or a MOSFET used for solid-state a6651 of the motor power with the small switches scattered all over the Nitron’s guts for various interlock purposes.
AN Datasheet, PDF – Alldatasheet
This is why throwing higher voltage batteries at a stock ‘tron makes the flywheel rev higher, but doesn’t change the terrible ROF. Except it makes sense in combination with the next bit, which makes AB difficult to implement in the stock configuration.
Could it have something to do with dropout voltage? That is the biggest mystery of them all.
Peak current handling is 1. Applications listed in the datasheet include tape decks and CD players.
Surely if the stock setup demanded a lower ROF than the direct-driven motor would produce and no colder-wound motor was available, you could do well enough with a dumb, cheap, string of diodes – or even a generic voltage regulator.
One is that the pusher is cycle-controlled with the switch mounted on top of the battery box that follows the stepped edge of the cam disk but there is no active braking. Posted by torukmakto4 at 7: Haven’t datsheet, not worth the time to investigate the qn6651 of this application. As it turns out, “voltage regulator” is a very close guess.
(PDF) AN Datasheet PDF Download – Motor Control Circuit
Newer Post Older Post Home. More or less a fancy linear voltage regulator that allows an651 into account the motor IR and Kv in the selection of 2 external resistor values to get a very stable constant-speed, governor-like behavior.
Could there possibly be a need for that tight of speed control of this motor? Pages Home Chrono Data Archive.
DC Motor Speed Controller
So why was this component used to drive the Nitron pusher motor? Saturday, October 19, Nitron Technical Observations.
This strange heatsinked 4-pin package hanging off the side of the PCB is the first thing many people notice about the stock motor setup on the ‘Tron pusher. Along the way I came across 2 odd details about the stock Nitron electrical system.
This is probably a Part 1 since this is an ongoing project, but I am working occasionally but steadily on a ‘Tron overhaul for an HvZ player at a nearby campus. A quick Google nails it down what the mystery component is: