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  • LM5146: Inverting buck boost capacitor placement

    TI Thinks Resolved
    Part Number: LM5146 Other Parts Discussed in Thread: TIDA-01405 Tool/software: Hello team, My customer is designing inverting buckboost circuit based on app note "Laying Out an Inverting Buck-boost Converter for Success". https://www.ti.com/lit…
    • Answered

  • TPSM82902: use in inverted buck topology ?

    Resolved
    Part Number: TPSM82902 Other Parts Discussed in Thread: TIDA-01405 Tool/software: Dear TI team, Is the TPSM82902 module usable in inverted buck topology, as shown for other modules in the Application Note SNVAA71 for example, or the TIDA-01405 design…
    • Resolved
    • Answered

  • TPS82150: TPS82140/TPS82150 - inverting buck-bust input capacitors reference

    Resolved
    Part Number: TPS82150 Other Parts Discussed in Thread: TIDA-01405 Tool/software: Hi, I am designing an inverting buck-boost using the TPS82150 and I try to figure out if the input capacitors should be connected to -Vout or to GND. Vin is 5V or 12V…
    • Resolved
    • Answered

  • TPS82130EVM-720: TPS82130EVM-720 - To generate -1.8V

    Resolved
    Part Number: TPS82130EVM-720 Other Parts Discussed in Thread: TIDA-01405 , Tool/software: Hello, I want to generate the -1.8V@1A-2A from 3.3V to 5.5V input voltages. I have go through the TIDA-01405 and the refernce design and it is prefectly suitable…
    • Resolved

  • TPS82130: Does this design violates design spec of TPS82130 IC?

    TI Thinks Resolved
    Part Number: TPS82130 Other Parts Discussed in Thread: TIDA-01405 Dear Sir/Madam, Need technical support for TPS82130 Inverting regulator. We are using design as per TIDA-01405. See schematic below. -AVSS = -1V7 At Power ON, first +5V (VIN)…

  • TPS82130: high noise on output while in Inverting topology

    Part Number: TPS82130 Other Parts Discussed in Thread: TIDA-01405 Hello, I am using the TPS82130 as an inverter, according to TIDA-01405: I have a very high noise spikes on the output: please advise

  • WEBENCH® Tools/TPS82150: TPS82150

    TI Thinks Resolved
    Part Number: TPS82150 Other Parts Discussed in Thread: TIDA-01405 Tool/software: WEBENCH® Design Tools Hi, as defined in TIDA-01405 design, TPS82150 can be used as negative voltage source. However the simulation model (both for TINA and PSPICE) does…

  • RE: TPS62903: negative output voltage

    Hi Will, Yes, TPS62903 should be able to support these conditions. You can use the guidelines for Cin, L and Cout combination from the datasheet. For other general guidelines, you can check this app note: https://www.ti.com/tool/TIDA-01405 Thanks…
    • Answered

  • RE: TPS82085: IBB configuration Vin = 3.3V, Vout = -1.3V, Iout - 1.2A

    Resolved
    Hi Steve, Yes, that should work because the 3.3V + 1.3V is below the 6Vin rating of the device. Here is what the basic circuit should look like, from a similar device: https://www.ti.com/tool/TIDA-01405
    • Answered

  • RE: TPS82130: TPS82130 in an Inverting Buck-Boost Topology

    Resolved
    Hi Balazs, Yes, TPS82130 is often used in IBB topology. Take a look at a couple of the reference designs listed here (TIDA-01457 and TIDA-01405). By the way, this question has come up in several other threads, like this one , which I found with a…

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