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Wireless power receiver IC

sai jyothi
Prodigy 125 points
Other Parts Discussed in Thread: BQ25101, BQ51003, TIDA-00318, TIDA-00669, TPS62840
Hi,
We have a requirement of Wireless power receiver to charge the battery. (Suggest Transmitter also).
We have chosen battery charger IC BQ25101 and battery protection IC BQ29700 from TI.
Please suggest with suitable wireless power receiver and Battery fuel gauge (single channel). Also share the reference design with combination of Wireless power receiver circuit, charger circuit and protection circuit.
Application: Medical
Wireless transmitter: Planning to use ready made Qi charger. Please suggest receiver IC with Qi complaint.
Regards,
Jyothi
  • 0
    TI__Guru* 75656 points

    Hello Jyothi

    The BQ51003 is a low power wireless receiver that will work well with BQ25101.  The reference design TIDA-00318 features both is a small form factor design, see below link.

    TI wireless power transmitters are NRND and no longer supported, cannot assist with them.

    Also take a look at Wireless Charger Booster Pack referenced design TIDA-00669 it used a BQ27421 gauge.  But battery fuel gauge is supported by another team and would need to be a separate E2E post on this topic.

    TIDA-00318

     

  • 0 in reply to Bill Johns
    Prodigy 125 points

    Hello John,

    Thanks for the reply.

    If I choose wireless power receiver, protection IC and gauge IC  from TI what is the option to me for wireless power transmitter. Can i use Qi charger readily available from market (Amazon etc..),

    please suggest with the possible options.

    Regards,

    Jyothi.

  • 0 in reply to sai jyothi
    Prodigy 125 points

    Please confirm below point also.

    If i choose wireless power receiver BQ51003, can i use this receiver coil 760308101216 (Inductance-7.2μH & rated current-0.8A)

  • 0 in reply to sai jyothi
    TI__Guru* 75656 points

    Hello

    The 760308101216 coil is very small, 6mm.  This size coil has not worked well in the past.  Recommend 20mm or greater.

  • 0 in reply to Bill Johns
    TI__Guru* 75656 points

    Hello

    "If I choose wireless power receiver, protection IC and gauge IC  from TI what is the option to me for wireless power transmitter. Can i use Qi charger readily available from market (Amazon etc..)," -- Bill J The BQ51003 wireless power receiver will work with Qi based transmitters.  Do not have a specific one to recommend. 

  • 0 in reply to Bill Johns
    Prodigy 125 points

    Hello,

    As my application is miniature medical application I selected this small size coil. The enclosed unit shall be placed on the denture.

    Please suggest the suitable receiver coil with small form factor.

    Regards,

    Jyothi.

  • 0 in reply to sai jyothi
    Prodigy 125 points

    Finally i have selected BQ51050 as wireless receiver IC, BQ27421 as Fuel Gauge IC and BQ29707 as Protection IC and TPS62840 as regulator.

    Application is Medical (Miniature) and the unit shall be placed under the denture and it is enclosed with acrylic material.

    Please provide the details for below points:

    1. Suggest suitable receiver coil (As small as possible).

    2. Unit shall be fully enclosed with acrylic material, is the wireless power receiving function can be possible. Please confirm. 

    3. If unit shall be placed inside the water, can the wireless power receiving function possible. Please confirm.

    4. Provide the EVK reference link to purchase for the initial testing demo to my customer.

    5. Confirm the transmitter section also, can i use any Qi compliant charger for communicating with this receiver IC or is there any specification.

  • 0 in reply to sai jyothi
    TI__Guru* 75656 points

    I will contact you to discuss your applications.

    The small coil will be very difficult.

  • 0 in reply to Bill Johns
    Prodigy 125 points

    I accepted friend request and sent a message to you also. Please provide the reply.

    Can we arrange a meeting to discuss the application and then we will finalize the TI parts.