Universal Qi Wireless Receiver Module
PRODUCT ID: 1901
DESCRIPTION
-
If you have a modern smart phone you may have noticed that it comes with built in
wireless charging capability called 'Qi charging.' Qi is a trademark name for a thin
and smart inductive charging system. Many large gadget companies have
standardized on Qi, which means it's easy to find a charging dish and we thought it
might be cool if your Arduino project can recharge itself wirelessly. Thus, we now
have a Qi charging receiver module as seen here here.
This is just the inductive charging Qi receiver. It will work with any Qi charger base
transmitter that will work well with any standard inductive charger base. Simply
solder two wires to the V+ and Gnd pins on the Qi module and place the item you
want charged onto a charging base. The receiver chip manages the coil so that
you'll always get 5V and 500mA. If the coil is too far it will simply not activate at
all. In our demo, we used a classic cell phone charger plate.
The driver chip is an integrated receiver called the BQ51013B from TI. Since its a Qi
charger it can only be used with Qi transmitters! If you want a simpler inductive
charger, check out our 5V charger set - it isn't Qi compatible but used together it
works quite well!
To demo it, we wired the module to a MiniLipo charger and a LiPo battery, as
shown in the photos. Now we have a wirelessly-rechargeable battery! Note that you
don't get the battery or lipo charger in your order, that's just how we're showing it
off. You can even upgrade any device that takes classic USB 5V and up to 500mA.
The coil comes on a metallic sticker which is used to shield the device from the
coil. Make sure the coil is facing out towards the charger when you install it into
your project, or it wont work at all!
http://www.adafruit.com/products/1901
10/5/2015
Technical Details
Details:
Output Voltage: 4.8V - 5.2V
Current: 500mA
Operating Temperature: -40ºC ~ 40ºC
Dimensions:
Back Panel: 48mm x 32mm x 0.5mm / 1.9" x 1.3" x 0.02"
Chip: 11.5mm x 36mm x 0.3mm / 0.5" x 1.4" x 0.01"
Copper Coil: 41mm x 29mm / 1.6" x 1.1"
Weight: 4.7g
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