Universal Qi Wireless Charging Transmitter

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  • Adafruit-2162
  • 2162
  If you have a modern smart phone you may have noticed that it comes with built in... more
Product information "Universal Qi Wireless Charging Transmitter"

 

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.

Adafruit have added a ton of Qi receivers but, until now, they haven't had a charging base.  No longer! This is a super simple Qi transmitter.  It will work with any standard Qi charger receivers - like the ones they carry there.  You just connect the board to a 5v power supply - either through a micro USB port - then put your device w/ Qi receive onto the base. If you want to 'share' the microUSB power connection, you can also connect direct to the USB-A port

Maximum output is around 5W which is good for most smart phones, basically 1000mA charge at 5V on the other side of the wireless connection.  It has a charging distance of 2-8mm, works with all our Qi charge receivers. You can only use one receiver per transmitter so if you want to charge two Qi devices at once, you'll need 2 transmitters.

Note: PCB may come in blue or green!

 Technical Details

  • Input: 5V
  • Input Current: 2A
  • Maximum output power of 5W
  • Operating Frequency: 100-200kHz
  • Charging Distance: 2-8mm
  • Charging Plate Dimensions: 53mm x 53mm x 4mm / 2.1" x 2.1" x 0.2"
  • PCB Dimensions w/ Components: 55mm x 37mm x 6mm / 2.2" x 1.5mm x 0.2"

 

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