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Frequent questions

  • [FAQ] BQ25785EVM: BQ25785 BQZ FILE

    Part Number: BQ25785EVM Other Parts Discussed in Thread: BQ25785 , BQSTUDIO Please see attached for the BQ25785 BQZ file to be used with BQSTUDIO software. To use the GUI you will need to download Battery management studio software from TI.com, then…

  • [FAQ] TPS23881B: Power-On Sequence

    Part Number: TPS23881B Other Parts Discussed in Thread: TPS23861 , TPS23881 , TPS23882 TPS23881B is an IEEE802.3bt compliant, 8-channel power sourcing equipment (PSE) that injects power onto CAT5 Ethernet cables. When using this device in any wired…

  • [FAQ] TPS3842: TPS3842 CTS function

    Part Number: TPS3842 What is the function of CTS pin in TPS3842? Can you please explain how to use it?

  • [FAQ] TPS3842: Overvoltage monitoring of a noisy power supply

    Part Number: TPS3842 Hello, I have a noisy power supply and need to monitor for OV conditions. Size and noise immunity are very important. Can you please recommend a solution? Thank you.

  • [FAQ] TPS3842: 24V undervoltage detector

    Part Number: TPS3842 Hello, I am looking for a very small solution to monitor my 24V rail for undervoltage conditions. What is your best recommendations? Thank you.

  • [FAQ] TPS546E25: How to Change TPS546E25 PMB_ADDR (0xD3) on a Secondary Device in a 2-Phase Configuration

    Part Number: TPS546E25 How to Change TPS546E25 PMB_ADDR (0xD3) on a Secondary Device in a 2-Phase Configuration There are multiple devices on the serial bus and need to change the address from the default pin strap address to avoid conflict

  • [FAQ] TPS546E25: When I write to VOUT_SCALE_LOOP (0x29) on TPS546E25 but the device NACKs and does not change value.

    Part Number: TPS546E25 When I write to VOUT_SCALE_LOOP (0x29) on TPS546E25 but the device NACKs and does not change value.

  • [FAQ] TPS546E25: I write to registers 0x33 and 0x46, but the register values do not change. Why?

    Part Number: TPS546E25 TPS546E25 FAQ Q: I write to registers 0x33 and 0x46 to update the switching frequency and overcurrent limit in NVM. After issuing STORE_USER_ALL and RESTORE_USER_ALL, the register values do not change. Why?

  • [FAQ] TPS546E25: Why Does the PMBus Address Change When Switching from Pin-Strap to NVM on TPS546E25

    Part Number: TPS546E25 When I change from using the pin-strap resistor for PMBus address to using the NVM address (by changing OVRD_PMB_ADDR), the device address changes after a power cycle. Why?

  • [FAQ] TPS546E25: How to use FUSION GUI in Offline mode with TPS546E25

    Part Number: TPS546E25 To use the FUSION GUI in offline mode with TPS546E25, use the attached TPS546E25 xml to get started. Start Fusion GUI, After scan, Click Offline Mode and Load the xml TPS546E25116.0 Address 17 Project File.xml

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