• Re: TomTom power need

    From mm0fmf@21:1/5 to Scott on Mon May 26 21:15:00 2025
    On 26/05/2025 20:29, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please
    don't post that I should have used my mobile phone instead as I am a
    creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is
    USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a
    USB-C to USB-C cable, will this make any practical difference or is a
    device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    Use the cable supplied. The Tomtom will charge up fine. The rate of
    charge will be a function of how much current your car charger provides.

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  • From Scott@21:1/5 to All on Mon May 26 20:29:08 2025
    I bought a new TomTom to replace one that was on the way out. Please
    don't post that I should have used my mobile phone instead as I am a
    creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is
    USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a
    USB-C to USB-C cable, will this make any practical difference or is a
    device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Paul@21:1/5 to Scott on Mon May 26 18:53:56 2025
    On Mon, 5/26/2025 3:29 PM, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please
    don't post that I should have used my mobile phone instead as I am a
    creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is
    USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a
    USB-C to USB-C cable, will this make any practical difference or is a
    device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?


    If you identify the part number of the device, perhaps someone
    can check whether it follows any particular charging standard.

    Paul

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  • From alan_m@21:1/5 to Scott on Tue May 27 20:40:37 2025
    On 26/05/2025 20:29, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please
    don't post that I should have used my mobile phone instead as I am a
    creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is
    USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a
    USB-C to USB-C cable, will this make any practical difference or is a
    device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    Use a USB C to USB C and put something like https://www.ebay.co.uk/itm/388223095438
    in series to see what voltage and current is being used to charge the
    unit. *

    As both my mobile phone and laptop manufactures recommend limiting
    charging to 80% to prolong battery life probably this is a good idea.
    On my phone the facility is inbuilt and on my laptop it is achieved with
    some additional software, however does your new tom tom actually
    implement this policy as an option?


    * This is a random Ebay listing and not a recommendation for the seller.



    -
    mailto : news {at} admac {dot} myzen {dot} co {dot} uk

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  • From Scott@21:1/5 to All on Wed May 28 12:21:30 2025
    On Mon, 26 May 2025 18:53:56 -0400, Paul <nospam@needed.invalid>
    wrote:

    On Mon, 5/26/2025 3:29 PM, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please
    don't post that I should have used my mobile phone instead as I am a
    creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is
    USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a
    USB-C to USB-C cable, will this make any practical difference or is a
    device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    If you identify the part number of the device, perhaps someone
    can check whether it follows any particular charging standard.

    Thanks to all who replied. I'm going to follow the advice to use the
    supplied cable as the 'line of least resistance' :-)

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Vir Campestris@21:1/5 to Scott on Wed Jun 4 11:26:07 2025
    On 28/05/2025 12:21, Scott wrote:
    On Mon, 26 May 2025 18:53:56 -0400, Paul <nospam@needed.invalid>
    wrote:

    On Mon, 5/26/2025 3:29 PM, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please
    don't post that I should have used my mobile phone instead as I am a
    creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is
    USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a
    USB-C to USB-C cable, will this make any practical difference or is a
    device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    If you identify the part number of the device, perhaps someone
    can check whether it follows any particular charging standard.

    Thanks to all who replied. I'm going to follow the advice to use the
    supplied cable as the 'line of least resistance' :-)


    AIUI part of the USB standard is to allow the devices to negotiate a
    higher voltage and/or current, but in the absence of this they use 5V.

    But I'm not an expert...

    Andy

    --
    Do not listen to rumour, but, if you do, do not believe it.
    Ghandi.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From The Natural Philosopher@21:1/5 to Vir Campestris on Wed Jun 4 13:03:19 2025
    On 04/06/2025 11:26, Vir Campestris wrote:
    On 28/05/2025 12:21, Scott wrote:
    On Mon, 26 May 2025 18:53:56 -0400, Paul <nospam@needed.invalid>
    wrote:

    On Mon, 5/26/2025 3:29 PM, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please
    don't post that I should have used my mobile phone instead as I am a
    creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is
    USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a
    USB-C to USB-C cable, will this make any practical difference or is a
    device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    If you identify the part number of the device, perhaps someone
    can check whether it follows any particular charging standard.

    Thanks to all who replied. I'm going to follow the advice to use the
    supplied cable as the 'line of least resistance' :-)


    AIUI part of the USB standard is to allow the devices to negotiate a
    higher voltage and/or current, but in the absence of this they use 5V.

    Not sure *which * USB standard does that., C certainly.

    But I'm not an expert...

    Andy


    --
    Climate Change: Socialism wearing a lab coat.

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    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Theo@21:1/5 to The Natural Philosopher on Wed Jun 4 13:11:44 2025
    The Natural Philosopher <tnp@invalid.invalid> wrote:
    On 04/06/2025 11:26, Vir Campestris wrote:
    On 28/05/2025 12:21, Scott wrote:
    On Mon, 26 May 2025 18:53:56 -0400, Paul <nospam@needed.invalid>
    wrote:

    On Mon, 5/26/2025 3:29 PM, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please >>>> don't post that I should have used my mobile phone instead as I am a >>>> creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is >>>> USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a
    USB-C to USB-C cable, will this make any practical difference or is a >>>> device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    If you identify the part number of the device, perhaps someone
    can check whether it follows any particular charging standard.

    Thanks to all who replied. I'm going to follow the advice to use the
    supplied cable as the 'line of least resistance' :-)


    AIUI part of the USB standard is to allow the devices to negotiate a
    higher voltage and/or current, but in the absence of this they use 5V.

    Not sure *which * USB standard does that., C certainly.

    C is just a connector standard, the voltage standard is USB Power Delivery. USB-PD works over A and B connectors too - PDv1 had a voltage negotiation on USB-A/B based on pulsing Vbus. PDv2 and later are what is used today for voltage negotiation on the USB-C connector.

    Theo

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  • From The Natural Philosopher@21:1/5 to Theo on Wed Jun 4 15:05:06 2025
    On 04/06/2025 13:11, Theo wrote:
    The Natural Philosopher <tnp@invalid.invalid> wrote:
    On 04/06/2025 11:26, Vir Campestris wrote:
    On 28/05/2025 12:21, Scott wrote:
    On Mon, 26 May 2025 18:53:56 -0400, Paul <nospam@needed.invalid>
    wrote:

    On Mon, 5/26/2025 3:29 PM, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please >>>>>> don't post that I should have used my mobile phone instead as I am a >>>>>> creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is >>>>>> USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a >>>>>> USB-C to USB-C cable, will this make any practical difference or is a >>>>>> device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    If you identify the part number of the device, perhaps someone
    can check whether it follows any particular charging standard.

    Thanks to all who replied. I'm going to follow the advice to use the
    supplied cable as the 'line of least resistance' :-)


    AIUI part of the USB standard is to allow the devices to negotiate a
    higher voltage and/or current, but in the absence of this they use 5V.

    Not sure *which * USB standard does that., C certainly.

    C is just a connector standard, the voltage standard is USB Power Delivery. USB-PD works over A and B connectors too - PDv1 had a voltage negotiation on USB-A/B based on pulsing Vbus. PDv2 and later are what is used today for voltage negotiation on the USB-C connector.

    Ah.
    OK then

    Theo

    --
    Those who want slavery should have the grace to name it by its proper
    name. They must face the full meaning of that which they are advocating
    or condoning; the full, exact, specific meaning of collectivism, of its
    logical implications, of the principles upon which it is based, and of
    the ultimate consequences to which these principles will lead. They must
    face it, then decide whether this is what they want or not.

    Ayn Rand.

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    * Origin: fsxNet Usenet Gateway (21:1/5)
  • From Paul@21:1/5 to Theo on Wed Jun 4 13:13:09 2025
    On Wed, 6/4/2025 8:11 AM, Theo wrote:
    The Natural Philosopher <tnp@invalid.invalid> wrote:
    On 04/06/2025 11:26, Vir Campestris wrote:
    On 28/05/2025 12:21, Scott wrote:
    On Mon, 26 May 2025 18:53:56 -0400, Paul <nospam@needed.invalid>
    wrote:

    On Mon, 5/26/2025 3:29 PM, Scott wrote:
    I bought a new TomTom to replace one that was on the way out. Please >>>>>> don't post that I should have used my mobile phone instead as I am a >>>>>> creature of habit.

    The new TomTom is fitted with a USB-C port but the supplied cable is >>>>>> USB-A to USB-C. My car charger is dual USB-A and USB-C. If I use a >>>>>> USB-C to USB-C cable, will this make any practical difference or is a >>>>>> device like this unable to take advantage of the higher capacity?
    Indeed, would the battery benefit from restricted charging?

    If you identify the part number of the device, perhaps someone
    can check whether it follows any particular charging standard.

    Thanks to all who replied. I'm going to follow the advice to use the
    supplied cable as the 'line of least resistance' :-)


    AIUI part of the USB standard is to allow the devices to negotiate a
    higher voltage and/or current, but in the absence of this they use 5V.

    Not sure *which * USB standard does that., C certainly.

    C is just a connector standard, the voltage standard is USB Power Delivery. USB-PD works over A and B connectors too - PDv1 had a voltage negotiation on USB-A/B based on pulsing Vbus. PDv2 and later are what is used today for voltage negotiation on the USB-C connector.

    Theo


    Not every piece of silicon ends up with USBPD though.

    The SOC for the TomTom, could be an old-fashioned precision charger
    using less than 1 amp at 5V. My Bluetooth speakers are like that.
    It's a brick sized speaker with two emitters, and is somehow
    considered "Stereo". A huge separation of 4 inches between emitters
    really gives that stereo effect :-) It charges at less than an amp
    and it takes a while.

    I bought two of them, assuming each was mono or something. Oops.

    Paul

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