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(PDF) AN6651 Datasheet download

As it turns out, “voltage datzsheet is a very close guess. Except it makes sense in combination with the next bit, which makes AB difficult to implement in the stock configuration.

That is the biggest mystery of them all. Newer Post Older Post Home.

Applications listed in the datasheet include datasjeet decks and CD players. 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.


More or less a fancy linear voltage regulator that allows taking 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.

Haven’t checked, not worth the time to investigate the numbers of this application. A quick Google nails it down what the mystery component is: At least people are aware you have to remove this PCB to do anything useful.

Peak current handling is 1. Surely if the stock setup demanded a lower ROF than the direct-driven motor would produce and no colder-wound motor was available, an66551 could do well enough with a dumb, cheap, string of diodes – or even a generic voltage regulator.

AN Datasheet(PDF) – Panasonic Semiconductor

This is probably a Part 1 datasheet this is an ongoing project, but I am working occasionally but steadily on a ‘Tron overhaul for an HvZ player at a nearby campus.

Posted by torukmakto4 at 7: Along the way I came across 2 odd details about the stock Nitron electrical system. This is datashedt throwing higher voltage batteries at a stock ‘tron makes the flywheel rev higher, but doesn’t change the terrible ROF. Saturday, October 19, Nitron Technical Observations.


AN Panasonic Motor Control Circuit ChipFind Datasheet Archive |

Pages Home Chrono Data Archive. So why was this component used to drive the Nitron pusher motor? 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.

Could it have something to do with dropout voltage? Speculation has included that the device is a voltage regulator or a MOSFET used for solid-state switching of the motor power with the small switches scattered all over the Nitron’s guts for various interlock purposes.

Could there possibly be a need for that tight of speed control of this motor?