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Engagement
  • Author Author: COMPACT
  • Date Created: 8 Oct 2012 10:57 AM Date Created
  • Views 848 views
  • Likes 1 like
  • Comments 5 comments
  • wireless_power_challenge
  • wp_challenge_one
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COMPACT
COMPACT
8 Oct 2012

Hi All,

Many thanks to Texas Instruments and Element 14 for inviting me to participate in this challenge. I hope I will not disappoint.

I've always been excited about wireless power and efficient ways to do it.  I been busily swotting up on this subject and I was amazed at how much power that can be transferred efficiently with TI's wireless power products.

 

This challenge is to use these wireless products which comply to the QI standard with my everyday life.

I've already thought of quite a few standard ideas but to start I thought I'd start with something quirky - a Plasma Ball.

 

Sorry for the dark picture but here's the Wireless evaluation kit which consists of the TI transmitter manager bq500210EVM-689 receiver evaluation module bq51013AEVM-765 and a Plasma ball.

(I have yet to receive the Würth Elektronik charging coils, transmitter 24µH part # 760308101 and receiver 10µH part # 760308201.)

 

All I had to do to get this far was to connect the transmitter to a 19 volt 500mA current limited power supply and to make up a wiring harness for the plasma ball.

The plasma ball power input is 5 volts at 300ma so it was well within power specifications.

The two green dots are the Transmitter and Receiver LEDs.

image

 

I've experimented with changing the distance between the transmitter and receiver and playing with the plama ball to observe the effects to the power source variations.

When moving the receiver away from the transmitter, the source current increases until the transmitter no longer the receiver and the power is shut off.

This distance is about 10mm.

 

I have plans to construct several wireless power Transmitter prototypes distribute them across my house.

Likewise with the reciprocal receivers. These will be retrofitted into many household items in an attempt to improve them.

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Top Comments

  • Former Member
    Former Member over 13 years ago +2
    So jealous. I haven't even received my unit yet! Pretty cool stuff. 10mm between the two devices eh? Thats pretty sweet. I'm excited to see what else you come up with.
  • ssilberhorn
    ssilberhorn over 13 years ago +1
    Cool stuff Monte.... Keith the kits are in transit :-) you should have yours by the end of the week.
  • johnsocm
    johnsocm over 13 years ago in reply to Former Member

    Hello Keith,

     

    I changed it to Monte, and I am sorry for the error!

     

    Thank you,

     

    Chad

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  • Former Member
    Former Member over 13 years ago in reply to johnsocm

    Chad,

    I think you meant to direct that question to Monte. I think he was thinking there would be additional transmitter and reciever coils in the kit. In answer to your question though, my kit got to my house this morning, and the coils were installed when I opened the kit up. Very excited to start playing around!

     

    Keith Smith

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  • johnsocm
    johnsocm over 13 years ago

    Hello Monte,

     

    I am a little confused? Didn't your evaluation kits come with the coils installed, as mine did?

     

    Thank you,

     

    Chad

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  • ssilberhorn
    ssilberhorn over 13 years ago

    Cool stuff Monte.... Keith the kits are in transit :-) you should have yours by the end of the week.

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  • Former Member
    Former Member over 13 years ago

    So jealous. I haven't even received my unit yet! Pretty cool stuff. 10mm between the two devices eh? Thats pretty sweet. I'm excited to see what else you come up with.

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