Batterie drain of Go 5100 in Bury XXL active cradle


Joined
Jan 9, 2016
Messages
2
Country
<img src="/styles/default/custom/flags/de.png" alt="Germany" /> Germany
TomTom Model(s)
5100 4FL50
Hi everybody!

I´m using a Go 5100 with TomTom extra cradle 5UUB2 screwed on a plate that fit´s in a Bury XXL active cradle.
The Bury provides charging and is fit in my Volkswagen Touran system9 cradle system
Benefit: mounted close to driver, no extra holes in car, no covering of view or instrument panel, no cables !

If I turn off motor I have to remove the 5100 fast from the 5UUB2 otherwise the battery of the 5100 is drained in <5 min !
So batterie of 5100 is always in very bad condition.

Is there no reflow diode on the micro-usb in the tomtom?
I would add one, but I´m sure voltage level changes...
current is rather high !

I´m using this big bury cradle because a smartphone will fit also !

Leer.JPG
Bury.JPG
Full-Low.JPG
offen.JPG
 
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dhn

Moderator
Joined
Oct 1, 2007
Messages
23,244
Location
Toronto Canada
TomTom Model(s)
Go 50; Go 520
Is the device still under warranty? If so, battery should be possibly replaced.

Deutschland
069 663 08 012
Mo-Fr: 10:00-18:30
 
Joined
Jan 9, 2016
Messages
2
Country
<img src="/styles/default/custom/flags/de.png" alt="Germany" /> Germany
TomTom Model(s)
5100 4FL50
I´m sad, i didn´t choose the 6100... And the GSM problem stripes on my 5100...
Bought it in june 2015

But changing the batterie won´t help, it will be drained also !?
I have to fit in a diode in the bury so the 5100 isn´t drained !
But I expect problems with 5V level, that will go down with 1-2A of the 5100 !

I should ask this to bury also ! :)
 
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canderson

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Joined
Dec 28, 2007
Messages
11,527
Location
Colorado, USA
TomTom Model(s)
GO720, GO740TM Live, GO 1535 Live, Via 1535, Via 1605, GO 52, GO 600, GO 620, GO 630, TomTom Bridge
Problem is definitely the dock. There should be no reason to need a back diode on the device being powered.
I agree that adding a diode could be a problem, but mostly only if you are using a general purpose rectifier diode that drops 0.7V. A 1N5820 Schottky diode has less than 0.3V forward voltage drop at 1A, and can handle as much as 3A forward current. I don't recommend the smaller 1A version for this application.
 

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