Answered

• BQ51221: Need clarification of terms in resonant capacitor equations provided by datasheet.

  

  Timothy Cerka

  Resolved

  Part Number: BQ51221 Other Parts Discussed in Thread: BQ51021 , BQ51020 , BQ51013B The following is an excerpt from the datasheet. f is frequency, however the terms S and D are never discussed. What are S and D? Also what is the apostrophe above L in…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• BQ51221: Bq51221 debugging

  

  hongwei duan

  TI Thinks Resolved

  Part Number: BQ51221 Other Parts Discussed in Thread: BQ51021 , BQ51020 Dear Team, Does bq51221 need burning program? Is there any operation instruction document?

  • over 4 years ago
  • Power management
  • Power management forum

• BQ51222: EVM and R/D for BQ51222

  

  Yuto Kitamura

  Part Number: BQ51222 Other Parts Discussed in Thread: BQ51221 , BQ51021 , BQ51020 Dear team, I would like to evaluate BQ51222. Is BQ51222EVM-520 still available? I cannot find any information about it on ti.com. If it is not, which EVM can be…

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• 15 W wireless charging with proprietary data transfer

  

  Erik Simunds1

  Resolved

  Other Parts Discussed in Thread: BQ51021 Hello, I am looking into a method to send device ID info across a wireless charging connection. We are charging at around 15 W (Qi medium power) and so the BQ51021 won't work for us, is there a solution that…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

• RE: BQ51222: Tools and Software not available for download

  

  Bill Johns

  Hello John I recommend the BQ51020 or BQ51021 over BQ51222. The BQ51222 is a dual mode device, PMA and WPC (Qi). The PMA transmitters are less common now and no need for dual mode.

  • over 5 years ago
  • Power management
  • Power management forum

• RE: BQ51013B: Qi parts listing

  

  Bill Johns

  Hello TI wireless power devices are limited to receiver side. 1.) BQ51013B and BQ51003 -- 5V output devices the 13B is up to 1A output and 003 is 500mA output. 2.) BQ5105XB -- Direct wireless power to battery charger, up to 1A output current. …

  • over 5 years ago
  • Power management
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• RE: BQ51025: bq51025YFP

  

  Bill Johns

  Hello No drop-in replacement for the device. The BQ51020 and BQ51021 have a similar footprint but are 5W devices.

  • over 6 years ago
  • Power management
  • Power management forum
Answered

• RE: BQ51025: Custom board is only able to give 550 mA Max

  

  Bill Johns

  Resolved

  Hello For 5 Watt application with adjustable output and I2C take a look at the BQ51021. Sorry only have a few devices that are QFN.

  • over 6 years ago
  • Power management
  • Power management forum

• BQ51221: I2C Max Pull-up Voltage

  

  Alex Mak

  Part Number: BQ51221 Other Parts Discussed in Thread: BQ51021 In the datasheet I2C section (page 7), the test conditions stated pull-up voltage = 1.8V and the abs. max. ratings (page 4) = +7V. Is it safe to use +5V pull-up for normal operation? If…

  • over 8 years ago
  • Power management
  • Power management forum

• RE: BQ51222: I2C slave ID

  

  Bill Johns

  Thanks for the update. We have not had problems with the address it is the same on bq51021 and ba51025 and bq510221 also.

  • over 7 years ago
  • Power management
  • Power management forum

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