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Showing 47 results View by: Thread Post Sort by
  • Bill Johns
    Bill Johns
    • 3 months ago
    • Power management
    • Power management forum

    RE: BQ51003: Rx in range of Tx status?

    Hello The BQ51020 pad detect feature will use pulses on RECT also. The pulse will charge and external capacitor with a long discharge time, compairator monitors the pin then drives pad det output. Can probably be implemented on the BQ51003 with external...
  • Disco Inferno
    Disco Inferno
    • over 1 year ago
    • Power management
    • Power management forum

    [FAQ] BQ51020: Qi Charger Receiver Reference Design Parts

    TI Thinks Resolved
    Part Number: BQ51020 Hello, I am trying to quickly implement the BQ51020 into my reference design but am finding it difficult given the age of this part and the reference design/evaluation module (BQ51020EVM-520. Some of the parts are extinct...
  • Bill Johns
    Bill Johns
    • 7 months ago
    • Power management
    • Power management forum

    RE: BQ51050B: Detecting presence of power transmitter after getting fully charged?

    Hello The BQ51020 / 21 have a Pad Detect (/PD_DET) feature. The circuit will capture the ping from TX store the energy in a capacitor then use a compairator to monitor capacitor voltage, /PD_DET is set accordingly.
  • Bill Johns
    Bill Johns
    • over 1 year ago
    • Power management
    • Power management forum

    RE: BQ51020: problems with both wired and wireless charging

    Hello The BQ51020 can operate with wireless charging and wired charging using the AD and AD-EN pins, see data sheet figure 13. When voltage is present on AD pin wireless charging is disabled and wired charging is used. Also note that the BQ51020 is...
  • Bill Johns
    Bill Johns
    • 5 months ago
    • Power management
    • Power management forum

    RE: BQ51013: Add heat sink on the top of the device

    Hi Jun We have not applied heat sinks to BQ51013X BGA devices but do not recommended it. Some other options to look: 1.) The BQ51020 is a larger BGA device with lower RDSon mosfets and higher efficiency. 2.) The BQ51013B is available in both BGA...
  • John Levy
    John Levy
    • 8 months ago
    • Power management
    • Power management forum

    RE: BQ51222: Tools and Software not available for download

    Hi Bill, Thanks for the quick response. I am inclined to stay with the BQ51222 for two reasons. 1) it is appreciably cheaper (both single and 1K) that the other two parts you suggested. 2) it is a newer part which supports WPC1.2 Is there any...
  • Bill Johns
    Bill Johns
    • 8 months ago
    • Power management
    • Power management forum

    RE: BQ51013B: What part can I use to replace the BQ51013B

    Also see Post e2e.ti.com/.../3331013 The BQ51010B is a 7V output device similar to the BQ51013B (5V). The higher output voltage may prevent load steps from triggering UVLO. The two devices are P2P. The RX coil may need to be changed. Also the BQ51020...
  • Terry Tseng
    Terry Tseng
    • over 3 years ago
    • Wireless Power
    • Wireless Power Forum (Read-Only)

    BQ51020: BQ51020 with OTG function

    TI Thinks Resolved
    Part Number: BQ51020 Dear TI'er : Dose this circuit can run OTG function ?
  • Kaustubh Kulkarni
    Kaustubh Kulkarni
    • over 3 years ago
    • Wireless Power
    • Wireless Power Forum (Read-Only)

    BQ51020: Product Suggestion

    TI Thinks Resolved
    Part Number: BQ51020 Hello all, Could anyone suggest me a substitute for a BQ51020EVM please? Thank you in advance.
  • Bill Johns
    Bill Johns
    • over 3 years ago
    • Power management
    • Power management forum

    RE: BQ51020: Trouble shooting,A small number of our RX product no output,how to test and help find the problem?

    What RX and TX coil are you using?
>

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