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  • TPS65150: Abnormally spike at voffset of TPS65150 without load

    TI Thinks Resolved
    Part Number: TPS65150 Hi team, My customer is using our TPS65150 and see an unpredictable behavior since no load condition. Please refer the below waveform and schematic. We found that there is a SPIKE with a waveform of about 11.41V on VOFFSET as below…

  • TPS65150-Q1: Negative output voltage is 50mA

    TI Thinks Resolved
    Part Number: TPS65150-Q1 Other Parts Discussed in Thread: TPS65150 Hi Team, The block diagram at page 1 of the datasheet in the link below shows that it can output -15v at 50mA. Please confirm if it is 50mA or 20mA only? Can it produce -10V at 50mA from…
    • Answered

  • RE: TPS65150: LCD3.3V (TPS65150-G1) inrush current waveform (load LCD) is 4 segments. what is the specification of VGH/VGL maximum starting current~

    Resolved
    Hi Aihua, TPS65150 Vin specification is minimum Vin=1.8V so 2.5V is o.k. from input supply perspective. But since your input supply is not able to provide the needed load current and therefore dips,you may consider adding additional capacitance at the…

  • TPS65150: LCD power recommendation

    TI Thinks Resolved
    Part Number: TPS65150 Hi, customer need a LCD power, the sepc as below. Input is 5V, and need VCOM is adjust from VGH and VGL. Does the TPS65150 can work here? or do you have other recommendations? thank you
    • Answered

  • TPS65150: compensation network calculation

    Resolved
    Part Number: TPS65150 Hi, I'm going to develop a board using TPS65150. I need to calculate the compensation network for the boost converter, but I was unable to find the modulator gain and the transconductance error amplifier (COMP) gain on the datasheet…
    • Resolved
    • Answered

  • TPS65150: TPS65150PWP works intermittently.

    Resolved
    Part Number: TPS65150 I have designed with the TPS65150 as seen in the circuit above. I have produced a few prototype boards with this circuit. On one board the circuit produces the correct output voltages and the LCD works. On another board it does…
    • Resolved

  • TPS65150: TPS65150 issue

    TI Thinks Resolved
    Part Number: TPS65150 Hi Expert, Our customer use TPS65150 solution, there are some question as follow: 1) VGH has no output. 2) how to use FDLY pin correctly? 3) about the calculation of VGL, could you give a detailed description? Please double check…

  • TPS65150: TPS65150 : Voltage step on AVDD at start-up

    TI Thinks Resolved
    Part Number: TPS65150 Hello I test the TPS65150 AVDD, and I find there have voltage steps on the output that is not mentioned in the datasheet, Can you check if this is ok? Or is there any design issue? Thank you

  • TPS65150: TPS65150 Inrush current of VIN when Vs(AVDD) start up(or soft start)

    TI Thinks Resolved
    Part Number: TPS65150 Hello, when I test the Inrush current of VIN(VDD), there is a big current when Vs(AVDD) start up. Please refer to the picture1. It looks like there is two steps when AVDD start up, and in the first step, the skew rate is low, so…

  • TPS65150: design review for the EVM modify for customer use case

    TI Thinks Resolved
    Part Number: TPS65150 Hi Expert Customer is evaluating the TPS65150EVM. Also, they are modified the EVM external components as below. requirement Changing part EVM schematics Input voltage 3.3V Question1. Could you please review the modified…

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