I have a tilt that now will charge from the USB to computer connection, but does not charge when plugged into the wall with my wall charger (an after-market charger that worked fine until today). The phone says "charging" but actually loses battery power .. and after a while the orange charging light goes off.
Any thoughts -- sure is a drag to have to charge my phone through the laptop.
What after market wall charger do you have? Does it use the USB cord to charge? I'm assuming that you plug the USB cord into the wall charger and then into your phone. If so this will not work. The USB cable is only capable of trickle charging. If you are doing anything while it is charging over USB you will use power faster than the trickle charger can provide. You have to charge it with a wall charger that does NOT use the USB cable.
Yes I realize that the standard wall charger uses a mini-USB plug but the internals of the cable are not the same as a data USB cable. The difference in juice it can provide is like comparing a PVC pipe to straw.
I was just using a radio shack iGo charger with a usb tip ... it worked fine until my latest ROM upgrade.
Ahh I see. Yep the charger is most likely bad.
Related
I plugged in my phone to charge it this morning and all of a sudden when i connected it to my wall charger it went into USB Debugging mode? This is a first for me and it kinda scared me a bit. I then unplugged and plugged it back in and it went into charging mode. Can anyone explain this? Has this happened to others?
I believe if the charge current is low, such as 500ma, the phone assumes it is connected to a computer. Doesn't mean anything other than a slow charge.
Sent from my SAMSUNG-SGH-I897 using XDA App
thanks for the reply.
im sure it was just a fluke. ive always charged it in this wall outlet. i replugged it and it works fine
has this ever happened to anyone else?
This happened again. Can someone help me out here?
Happens to me all the time. As the poster above mentioned, shouldn't be anything to worry about.
You can turn off usb debugging if it bothers you or use a different usb cord as some have a tendency to do this because they reduce current flow too much
Sent telepathically using vulcan mind meld app.
That happens to me when i try to use the iPhone charger.. I'll try to jailbreak it..
Download "Spare Parts" from Market. In the Battery Info section, you'll se if the phone detects your charger as USB (PC, below 500mA) or a Wall charger (700mA)
SnakeHaveYou said:
That happens to me when i try to use the iPhone charger.. I'll try to jailbreak it..
Download "Spare Parts" from Market. In the Battery Info section, you'll se if the phone detects your charger as USB (PC, below 500mA) or a Wall charger (700mA)
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So if it detects my wall outlet to be below 500mA then the power going to that wall outlet is low?
androidftwin said:
So if it detects my wall outlet to be below 500mA then the power going to that wall outlet is low?
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Let me test.. But my iPhone charger is 1000mA!! And my phone detects it as DC, acording to Spare Parts (USB), and if i switch to the original charger, it turns into AC..
If the phone controls how many mA/Volts can receive, and the charger is detected as DC, it will be charging at the same speed as if you use the PC USB, no matters if you uses a 200000mA charger...
BTW, sorry about my english
SnakeHaveYou said:
Let me test.. But my iPhone charger is 1000mA!! And my phone detects it as DC, acording to Spare Parts (USB), and if i switch to the original charger, it turns into AC..
If the phone controls how many mA/Volts can receive, and the charger is detected as DC, it will be charging at the same speed as if you use the PC USB, no matters if you uses a 200000mA charger...
BTW, sorry about my english
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The charger has wiring that shorts the data lines - this tells the phone it is a wall charger and not a usb port - the usb port carries data, so the lines are not shorted. This controls the amperage - If it shows AC - the phone detects the shorted data lines and the phone draws about 700mA. If the phone does not detect the shorted data wires, the phone only draws about 500mA. In all cases the voltage is 5V DC.
I have a 2A car charger. With a regular cable (non-shorted data lines) the phone thinks it is on a USB port. I short the data lines and the phone says AC charging.
alphadog00 said:
The charger has wiring that shorts the data lines - this tells the phone it is a wall charger and not a usb port - the usb port carries data, so the lines are not shorted. This controls the amperage - If it shows AC - the phone detects the shorted data lines and the phone draws about 700mA. If the phone does not detect the shorted data wires, the phone only draws about 500mA. In all cases the voltage is 5V DC.
I have a 2A car charger. With a regular cable (non-shorted data lines) the phone thinks it is on a USB port. I short the data lines and the phone says AC charging.
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I am using the regular charger that came with the phone. Does this mean the charger is faulty?
I get this all the time. Probably because I'm using the little white USB to wall converter from my old iPhone. I still get a good charge, though I've noticed it charges about 2x faster if I turn it off and use the black charger from Samsung. That way I get about 20% an hour, otherwise about 10% an hour.
androidftwin said:
I am using the regular charger that came with the phone. Does this mean the charger is faulty?
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If you are using the charger and cable that came with the phone, and the phone settings page says you are charging via USB and not AC - then either the charger or phone is faulty.
Is it safe to charge the Nook Color from a PC USB port? I tried using a iphone charger and I think it melted XD
So....I'd rather not melt my USB ports. :/ Or Blow up the nook!
Anyone have information for this?
I charged mine on an ungrounded extension card cinnected to a possibly unregulated outlet, and it broke the charger plug permanently. Burning smell and high heat and all that stuff.
Probably not my best idea. But I am not gonna say I think it happens to anything but the nook charger. That setup hasn't damaged anything else before or since.
Locklear308 said:
Is it safe to charge the Nook Color from a PC USB port? I tried using a iphone charger and I think it melted XD
So....I'd rather not melt my USB ports. :/ Or Blow up the nook!
Anyone have information for this?
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Click to collapse
When connected to a PC USB port the Nook will only detect that it is data USB connection and not a pure charger and will only try to draw 500mA which is the standard USB current limit. Under these conditions the Nook will only charge very slowly particularly if it is active with the screen lit.
When connected to a real charger like the Nook charger that has the data lines shorted to indicate it is a pure high power charger then the Nook will attempt to draw up to 2000mA. Any charger worth its salt will supply whatever it can and protect itself against overheating. Cheap and nasty chargers could potentially have overheating problems.
I have successfully used other chargers in place of the standard one. E.g a HP Touchpad charger and a car 2A USB charger.
Avoid this compatibility problem by using a standard micro USB cable when charging with a charger other than the standard NC charger. I charge my NC all the time with one of my numerous HTC plug-in chargers and a standard micro USB cable.
mr72 said:
Avoid this compatibility problem by using a standard micro USB cable when charging with a charger other than the standard NC charger. I charge my NC all the time with one of my numerous HTC plug-in chargers and a standard micro USB cable.
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So using a regular micro usb cable will allow safe charging?
Locklear308 said:
So using a regular micro usb cable will allow safe charging?
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Here is how I think it works.
Nook will only request up to 500mA charge rate if it detects that the cable is plugged into a regular USB port like on a PC with data connections. This is irrespective of whether you use the B&N cable or an alternative microUSB cable. There is almost 0 risk in this arrangement.
If the Nook is connected via a standard microUSB cable to a charger that signals it is a high power charger by having shorted data lines then it can get up to around 1000mA of charge from it.
If the Nook is connected via the B&N cable to a charger that signals it is a high power charger by having shorted data lines then it can get up to around 2000mA of charge from it. This is just because the B&N cable has extra voltage supply pins at the microUSB end and tries to spread the load to avoid stressing the individual pins with two much current. Without these extra pins it will not request the extra current through them.
In both the second and third case it is possible that a poorly designed charger could signal the ability to supply the higher current and then suffer because it did not have the overload / over-heating mechanisms to deal with it. One could argue that evolution should kick in at this point and destine this type of charger to the well-deserved scrap heap
bobtidey said:
Here is how I think it works.
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Well, that's sort of close.
But the NC doesn't "sense" anything about the charger. The stock NC charging cable with the light-up horseshoe has the pins shorted and is also a slightly different connector type such that it cannot be plugged into a normal micro-USB on a device besides a NC. So if you plug THIS CABLE into the NC, then it will draw 2A from whatever is plugged into the other end of the cable. If the thing on the other end of the cable is the NC charger, you are in good shape, since it can safely deliver 2A of current. If you plug the other end of the NC stock cable into an iPhone wall charger or a computer USB port, some other generic wall charger, then it will likely draw more current than the charger or port can safely deliver and may damage the charger or cause a fire.
If you use a standard micro-USB cable, regardless of what charger you use (including the stock B&N charger), it will only draw about 500mA of current and charge the NC more slowly, but it will work safely with pretty much any generic USB port either on a computer or a run of the mill USB wall charger such as those that come with nearly every Android phone on the market, or a charge dock, USB cigarette lighter adapter for your car, etc.
So the key is: use the B&N stock NC CABLE ONLY with the stock B&N wall charger. Use a generic micro-USB cable with any charger including the B&N wall charger. It's all about the cable.
mr72 said:
Well, that's sort of close.
But the NC doesn't "sense" anything about the charger. The stock NC charging cable with the light-up horseshoe has the pins shorted and is also a slightly different connector type such that it cannot be plugged into a normal micro-USB on a device besides a NC. So if you plug THIS CABLE into the NC, then it will draw 2A from whatever is plugged into the other end of the cable. If the thing on the other end of the cable is the NC charger, you are in good shape, since it can safely deliver 2A of current. If you plug the other end of the NC stock cable into an iPhone wall charger or a computer USB port, some other generic wall charger, then it will likely draw more current than the charger or port can safely deliver and may damage the charger or cause a fire.
If you use a standard micro-USB cable, regardless of what charger you use (including the stock B&N charger), it will only draw about 500mA of current and charge the NC more slowly, but it will work safely with pretty much any generic USB port either on a computer or a run of the mill USB wall charger such as those that come with nearly every Android phone on the market, or a charge dock, USB cigarette lighter adapter for your car, etc.
So the key is: use the B&N stock NC CABLE ONLY with the stock B&N wall charger. Use a generic micro-USB cable with any charger including the B&N wall charger. It's all about the cable.
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Sorry. That's not true.
The B&N cable behaves like a standard USB data cable. It does not have the data pins shorted. You can use it to plug the Nook into a PC and transfer files. This would not be possible if the pins were shorted in the cable anywhere. The only difference between the B&N cable and a standard one is that is has extra power pins on the microUSB end in a deeper connector that are just used for spreading the charging current.
The B&N charger like other high power USB chargers does have the data lines shorted in it and that is what the Nook sees and causes it to switch into high current charging mode.
You can see all this in operation with a Battery monitor App like "Battery Monitor". When the Nook is connected to a data port via the B&N or other cable then the charging mode is USB and will draw up to 500mA. When it is connected via a standard cable to a charger like the B&N then it will say AC charging mode but will only draw around 1000mA (not limited to 500mA). When it is connected to the charger via the B&N cable it will also say AC charging mode but will now draw up to 2000mA as the extra pins are available.
Note that these currents are the maximum drawn in these modes. The actual value drawn depends on the state of the battery. Also they are what the Nook attempts to draw from the charger. It can't force the charger to supply 2A and any decent charger (which is most in my experience) will only supply what they can safely or will shut down if they experience overheating.
I safely use the B&N cable with a variety of chargers. I also use it to connect to PCs for data transfer and background charging (at 500mA). I also use other USB cables with both the B&N charger and with other chargers. You only get full 2A charging by using the B&N cable with a charger with data lines shorted that can supply 2A OK.
bobtidey said:
Sorry. That's not true.
The B&N cable behaves like a standard USB data cable. It does not have the data pins shorted. You can use it to plug the Nook into a PC and transfer files. This would not be possible if the pins were shorted in the cable anywhere. The only difference between the B&N cable and a standard one is that is has extra power pins on the microUSB end in a deeper connector that are just used for spreading the charging current.
The B&N charger like other high power USB chargers does have the data lines shorted in it and that is what the Nook sees and causes it to switch into high current charging mode.
You can see all this in operation with a Battery monitor App like "Battery Monitor". When the Nook is connected to a data port via the B&N or other cable then the charging mode is USB and will draw up to 500mA. When it is connected via a standard cable to a charger like the B&N then it will say AC charging mode but will only draw around 1000mA (not limited to 500mA). When it is connected to the charger via the B&N cable it will also say AC charging mode but will now draw up to 2000mA as the extra pins are available.
Note that these currents are the maximum drawn in these modes. The actual value drawn depends on the state of the battery. Also they are what the Nook attempts to draw from the charger. It can't force the charger to supply 2A and any decent charger (which is most in my experience) will only supply what they can safely or will shut down if they experience overheating.
I safely use the B&N cable with a variety of chargers. I also use it to connect to PCs for data transfer and background charging (at 500mA). I also use other USB cables with both the B&N charger and with other chargers. You only get full 2A charging by using the B&N cable with a charger with data lines shorted that can supply 2A OK.
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Well I can say that using an ipod/iphone charger is a BAD idea haha. I shall stick to the normal charger :]
Locklear308 said:
Well I can say that using an ipod/iphone charger is a BAD idea haha. I shall stick to the normal charger :]
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I agree it is good to stick to the B&N charger with B&N cable for best fast charging. The only reason not to is to reduce the number of chargers one is carrying or to provide alternatives like charging in a car.
I was pointing out that the issue is primarily around the chargers not around the cable. Your original question was about charging from a PC USB port and that is safe no matter what cable you use.
The case where the cable might make a difference is where a non B&N charger has the data lines shorted and will allow AC charging mode but is OK with < 1000mA (non B&N cable) but could blow up if it tries to deliver 2000mA (B&N cable). So, it is less risky if you use a non B&N cable when using a non B&N charger. Still a poor charger design if that is the case.
Ok so my TF701 will charge just fine while connected to the wall charger, but it wont charge at all while connected to a computer. The instruction manual says it will and the general population of users agrees. However when I plug it into my computer the tablet still shows as discharging.
Yes the USB ports work fine. Tried in 4 different computers, nothing.
Anyone have any idea what is wrong?
Thats done on purpose by Asus. It's been like that since the first Transformer Pad
Tab actually requires 12 to 15v to charge - hence the proprietary charger and connector . A usb port only provides 5V.
It will actually trickle charge over USB but it is extremely sloooooooooooooooooooooooooooow. If you use the tab whilst connected to USB it will discharge faster than it can charge.
The stock charger is actually only 5v, it's a USB standard. However the charger produces something like 40watts as opposed to standard USB chargers of 10-20watts.
Hey all,
I got an Aukey 3-port USB wall charger for Christmas (Model PA-T2), that includes a Quick Charge 2.0 port. I plugged in my Samsung Fast Charge Wireless charger into the port, but it does not fast charge at all. It will say fast charging, but then it will disconnect ("Wireless Charging Paused") after a couple of seconds. It'll keep cycling like this, so it's never really charging.
If I just plug the cable directly into the phone, it fast charges just fine though. I've tried changing cables as well.
Has anybody run into this issue with this Wall charger before?
skadude66 said:
Hey all,
I got an Aukey 3-port USB wall charger for Christmas (Model PA-T2), that includes a Quick Charge 2.0 port. I plugged in my Samsung Fast Charge Wireless charger into the port, but it does not fast charge at all. It will say fast charging, but then it will disconnect ("Wireless Charging Paused") after a couple of seconds. It'll keep cycling like this, so it's never really charging.
If I just plug the cable directly into the phone, it fast charges just fine though. I've tried changing cables as well.
Has anybody run into this issue with this Wall charger before?
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Click to collapse
I have same Aukey 3 Port USB wall charger, fast charge work on Orange USB port
When I plug my note 5 to a USB charger, it says charging, but the battery is not. It's actually dropping. BUT when it's put on a wireless charger, it charging fine. It's not the USB plug/ac adapter.
because a usb doesnt have enough power to char11ge it while youre using it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111