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  • TPS549D22: TPS549D22

    Resolved
    Part Number: TPS549D22 Hi Team, Customer wants to change the voltage setting in the internal NVM. It will be difficult for my customer to turn the output off while device is operating to use STORE_DEFAULT_ALL, as they would end up violating their power…
    • Resolved

  • TPS549D22: About PMBUS

    TI Thinks Resolved
    Part Number: TPS549D22 Hi Team: Can you help to comment on the following questions, thanks! 1: there is no statement on the PMBUS Pin , such as open drain, if this device is the open-drain type? if the external pull up is need? because there is no any…
    • Answered

  • TPS549D22: TPS549D22 PMBUS issue

    Resolved
    Part Number: TPS549D22 Other Parts Discussed in Thread: TPS546D24A Hi Team, My customer has PMBUS communication failure issue when using TPS549D22 (replace EM2260 ) with 1SG110HN2F43E2VG FPGA . Question: Does TPS549D22 have 8Bh register? I find 8Bh in…
    • Resolved

  • TPS549D22: How to programming the Vout on the flying?

    TI Thinks Resolved
    Part Number: TPS549D22 Hi Ti Expert: We have the design as below: 1. Vset=0.75V 2.Rtop=10K, Rbot=63.4K to get Vout=0.87V Now, we need to adujst the Vout to 0.83V on the flying, what is the step to do it? Thanks

  • RE: TPS549D22: Write register fail

    Denny Huang Table 26 (page 36 of the datasheet) describes the reset value for each of the bits in Command MFR_SPECIFIC_D2. All of the bits except bit 1 will rest to their pin-programmed value and Bit 4 will reset to b'1. If they want 0x17 (0001…

  • TPS549D22: programming times

    TI Thinks Resolved
    Part Number: TPS549D22 Dear team The customer would like to know how many programming times can TPS549D22 support, could you help to recommend? Many thanks Denny
    • Answered

  • [FAQ] TPS549D22: What to do with the PMBus pins when the PMBus interface is not used

    Resolved
    Part Number: TPS549D22 Other Parts Discussed in Thread: TPS548B22 , TPS548D22 Depending on the available supply, customers may ask if they can use PMBus parts such as the TPS549D22 or TPS549D22 in place of their pin-to-pin counterparts that lack a PMBus…
    • Resolved

  • TPS549D22: SMB_ALRT control

    TI Thinks Resolved
    Part Number: TPS549D22 Hi E2E, Good day. Can we control the SMB_ALRT pin manually? If not, how can we trigger SMB_ALRT? Regards, Carlo

  • RE: TPS549D22: Output voltage ripple has a subharmonic oscillation

    Thanks for the information Denny! Please let me know if you have any further questions following the evaluation! Regards, Alec Biesterfeld

  • TPS549D22: Some Usage Questions

    TI Thinks Resolved
    Part Number: TPS549D22 POINT 1 Customer wants to change the voltage setting in the internal NVM. The DS states: It is permitted to use the STORE_DEFAULT_ALL command while the device is operating. However, the device may be unresponsive during the write…

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