How To Make A Portable 5V USB Charger (For iPods, iPhones, And Mobile Devices)

 by bared145
Demonstration of How it works:
This Can Charge An iPod, iPhone, or Mobile Phone. As Long as it has a 5V (or around 5V) It Can Charge it through the USB. I will include the schematic and the PCB Layout. Also This Does Work and Im An Electronics Engineer so I Know What Im Talking About. I Will Include The Links of where you can get the supplies you need. Radioshack has everything you will need except a USB Female Jack. I will include one from a website Jameco. OR YOU CAN BY A USB WIRE AT RADIOSHACK AND SOLDER IT ON. But It (A) Might Not Work because the distance the Current is traveling will cause some of the current to be lost. OR (B) It might take longer to charge. Anyways I would go with the jack from Jameco to be safe. Just Follow The Schematic Or PCB Layout.

Things You Will Need:
 - Soldering Gun
http://www.radioshack.com/product/index.jsp?productId=2062735

 - Soldering Iron Holder and Cleaner
http://www.radioshack.com/product/index.jsp?productId=2062740&retainProdsInSession=1&filterName=Category
 - Rosin-Core Solder (1.5 Oz.)
http://www.radioshack.com/product/index.jsp?productId=2062718&filterName=Category

 - Project Enclosure (3x2x1")
http://www.radioshack.com/product/index.jsp?productId=2062279
 - Dual Mini Board with 213 Holes
http://www.radioshack.com/product/index.jsp?productId=2104052

 - USB,A SERIES(FEMALE),4-PINS,PCB MOUNTING
http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_161024_-1
 - Heavy-Duty 9V Snap Connectors
http://www.radioshack.com/product/index.jsp?productId=2062218

 - SPST Submini Slide Switch
http://www.radioshack.com/product/index.jsp?productId=2062490
- 500-Piece 1/4-Watt Carbon-Film Resistor Assortment (You Dont Need This Many Just The Ones In The Schematic.)
http://www.radioshack.com/product/index.jsp?productId=2062306&retainProdsInSession=1
 - +5V Fixed-Voltage Regulator 7805
http://www.radioshack.com/product/index.jsp?productId=2062599

1999soccermac says: Mar 26, 2013. 4:55 PM
Does it work for an iphone 5
joker74 says: May 3, 2011. 7:22 PM
Nice works great! good schematic and pcb thanks!
silencekilla says: Apr 20, 2011. 9:19 PM
would it be possible for you to post a link so I can download the PCB Files?
bared145 (author) in reply to silencekillaApr 21, 2011. 5:11 AM
I Use Circuit Maker 2000 For Making My PCB files. This company was bought by someone. But there software is still on the internet and the key still works.

1. Download: http://www.mediafire.com/?gxta0jk4llp
2. Extract it using WinRAR
3. Navigate to /Professional and install it with setup.exe
4. Use Key for Professional Version from SERIAL.txt
5. open trax maker and click open and navigate to the folder where the file is.

Here Are My LInks to download My PCB Files... I Have a PCB with and without a power supply:
http://www.mediafire.com/?z3damao1s1o8h
silencekilla in reply to bared145Apr 23, 2011. 12:12 PM
thank you so much and 5*s pn the 'ible. also i noticed there are 2 pcb files. where can i find the parts list for the one not listed in this instructable
schkip1973 says: Mar 20, 2011. 4:08 AM
dude that LED has 9V across it with no current limiting resistor. magic smoke time.

from one Electronics Engineer to another.

a linear power supply will be less efficient than a switcher so the 7805 could have 4V drop with a few hundred milliamps. call it a few watts - heatsink time.

i like sitnalta's post on this topic better.
bared145 (author) in reply to schkip1973Mar 20, 2011. 11:04 AM
That is correct. But Thats Why I Put it under "Optional Parts" Because Im Not Sure If It Would Work.. But What You Said Does make sense and is correct but i forgot to include the 220OHM Resistor across the LED to stop it from losing and volts. Without The LED This Circuit It Is Just As Good as the ones you would get from the store. I included the LED in the schematic for an inducator but i guess that was a bad idea. Thanks for your input.

I made this without an LED in My Electronics Shop. It Does Work So you can make it without an LED and it will work fine.

I will take the LED Out Of The Schematic, PCB, and Parts List.

Again Thanks For Clearing my mistake up.
7654321 in reply to bared145Mar 28, 2011. 5:16 PM
Make sure you get a 1A 7805 and put a nice heatsink on it. I think ipods charge at 500mA, so you will be dissipating 2W.
schkip1973 says: Mar 21, 2011. 12:51 AM
happy to help.
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