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  • TPS65145: TPS65145 frequency response fine tune

    Part Number: TPS65145 Tool/software: Hello TI team, I have a few question regarding the TPS65145: Q1: According to the design procedure in the datasheet (Step 2), the zero-point should be designed at 50kHz. After selecting R1, the value of Cff(C5…

  • TPS65145: ripples with frequency around 5kHz

    Part Number: TPS65145 Tool/software: We are using “TPS65145” to power up a DMD. We are using the reference design of TI only. I have attached the reference design from TI also for your reference. We have observed an audible noise, which is coming from…

  • TPS65145: SPICE simulation model

    Part Number: TPS65145 Hello TI, Do you have PSPICE simulation model for TPS65145. I could not able find the simulation file for the part in TI website. -Muni
    • Answered

  • TPS65145: I based a design off of the DLPC7540EVM, and the TPS65145 doesn't always startup properly

    Resolved
    Part Number: TPS65145 Other Parts Discussed in Thread: DLPC7540EVM , DLP650TEEVM In my design I implemented the voltage Tripler configuration as per the reference design, and the 16V supply goes to 18.5V. When I make the correction to set the board as…
    • Resolved

  • TPS65145: TPS65145 efficiency

    Part Number: TPS65145 Hello I am using TPS65145 with output current of 25mA. per TPS65145 datasheet figure 12, the efficiency is ~72%. Reading in the datasheet page 13 section 8.2.2.1.1 it is stated that the efficiency is inductor dependent. The dependency…

  • TPS65145: Tripler mode and doubler mode internal stress

    Part Number: TPS65145 In TPS65145 IC , we need 16V at output of positive charge pump. Our input is 8.5V. We can get it in Doubler mode and Tripler mode. We have used in Tripler mode and using a feedback we got our required output voltage. There we have…
    • Answered

  • tps65145 power test

    Resolved
    Other Parts Discussed in Thread: TPS65145 tps65145 power test : Not mount DMD,The power test value is VOFF 6.6V/ VRST-7.8V/VIBAS 13.73。 Do I need to mount DMD to confirm power test for tps645? thanks.
    • Resolved
    • Answered

  • RE: TPS65145: TPS65145 question about the cause of VBAIS voltage becoming 8V?

    Resolved
    Hello Bob, I reviewed this thread and schematics and it seems that VBIAS and FB3 were low due to overload condition at VBIAS output. After removing the overload VBIAS seems to be working fine. So there is no issue with TPS65145 circuit and unfortunately…

  • TPS65145: The open-short test data of TPS65145

    TI Thinks Resolved
    Part Number: TPS65145 Hi My customer request the open-shot test result of TPS65145. Are there those data? Best regards, Yokota
    • Answered

  • TPS65145: DLP4500 voltages from 3.3V rail

    Resolved
    Part Number: TPS65145 Other Parts Discussed in Thread: DLP4500 Hello, I am trying to design a circuit that provides the Voffset, Vbias and Vreset voltages of 8.50, 16.0 and -10.0 for the DLP4500 DMD using the TPS65145. I am a bit confused about the…
    • Resolved

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