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  • TPS61089: TPS61089 clarification on via on pin 11

    TI Thinks Resolved
    Part Number: TPS61089 Tool/software: Hello, this question has been asked here multiple times, yet, TI has provided either contradictory or incomplete answers. https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum…

  • TPS61089: negative to positive voltage conversion

    Part Number: TPS61089 Hello, I'm trying to simulate the circuit in app note: SLVA985 but cannot get the simulation to operate correctly. Thanks

  • TPS61089: HIGH current pulses

    Part Number: TPS61089 Other Parts Discussed in Thread: TPS55340 , TPS61377 Hi All. i am using item TPS55340QRTERQ1 the item rgultates from 5v to 12v , but cannot rgulate well the 12v output,this is being caused probably due to the currrent peaks it…

  • TPS61089: Amplifier circuit simulation error using TPS61089 boost converter supply

    Part Number: TPS61089 Other Parts Discussed in Thread: LM1875 , Tool/software: Greetings, I'm currently trying to simulate an amplifier circuit using an LM1875 in PSpice. The amp has a +12/-12 V supply from another circuit using an TPS61089 boost…

  • TPS61089: PCB Thermal Pad

    TI Thinks Resolved
    Part Number: TPS61089 I downloaded the pcb footprint but am unsure as to how to go about creating the thermal pad. On the datasheet it says "this package is designed to be soldered to a thermal pad on the board." I am unsure as to what to do now because…

  • TPS61089: TPS61089 SW Node Specification Only DC.

    TI Thinks Resolved
    Part Number: TPS61089 Tool/software: Hi We need to know the SW node AC specifications of TPS61089 Confirm that the results we measure meet the specifications. Can you help provide AC specifications? For example: AC spike 18V;1us Best regards…

  • TPS61089: efficiency @ 5.5V input, 9V output

    TI Thinks Resolved
    Part Number: TPS61089 Tool/software: Dear team, Lenovo is evaluating TPS61089 on their laptop, and what to know the efficiency curve at 5.5V in, 9V out. I checked on webenceh and get up to 98%. Those seems to be too good, could you help to test on…

  • TPS61089: output and input voltages about the same

    TI Thinks Resolved
    Part Number: TPS61089 Tool/software: If the input to the TPS61089 is say 5.25V (from a usb-c supply), and the output is a battery that's also around 5.25V (or maybe a little less such as 5.0V), how will this part react to this case? thanks, Stu

  • TPS61089: Questions of TPS61089

    Part Number: TPS61089 Dear Team, There is another question I want to clarify. For TPS61089x boost circuit, logic high EN pin is connected to VCC output pin with internal regulator. Is this boosted 10V always on since VIN (From Charger VSYS voltage…
    • Answered

  • TPS61089: Loop Compensation

    Resolved
    Part Number: TPS61089 Tool/software: Hi team, My customer is considering to use TPS61089. Could you let me know the recommended COMP constants for configuration below? VIN: 3.3V VOUT:12V Iout range: 0.5-1.0 Amax Fsw range: 1.1-1.2MHz Desired…
    • Resolved

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