Pripojenie notebooku na Lidl baterku

[Jindrich Fucik]

Odpověď je Dallas One wire https://cs.wikipedia.org/wiki/1-Wire


https://superuser.com/questions/1324643/how-to-bypass-dell-charger-detection

The center pin of the barrel jack (coax) power adapter is the PS_ID pin. 
This pin must be present and is used by the logic board controller (EC = 
8051 microcontroller) to communicate with the power adapter using the 
single-wire interface (Maxim / Dallas Semiconductor).

Respectively, from this single-wire protocol, the details of the power 
adapter are extracted by the logic board. Only then can the logic board 
know if the power adapter is able to charge the battery pack. If not, 
the logic board will be throttled and battery charging will be disabled.

While the Dell schematics show a crowbar circuit that should remove a 
high voltage transient from going downstream to the logic board, 
sometimes the mosfet that is acting like the protection switch gets 
damaged. If this mosfet gets damaged, the power adapter (although is ok) 
will not be detected. More details on the badcaps.net laptop forum.


Dne 31.07.2024 v 17:45 Petr Simek napsal(a):

> Otazka je jak ma DELL udelane rozpoznani nabijecky.