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  • TPS61088: min VIN

    Resolved
    Part Number: TPS61088 Hi team, In our customer application, the device VIN is supplied by battery (4.2V), Our customer want to supply pin VIN (the internal LDO input) by an isolate power, which is because that VIN will drop a lot due to the VIN load line…
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  • TPS61088: About SW pin undershoot

    Resolved
    Part Number: TPS61088 Hello, I measured the undershoot of the SW pin using the TPS61088. Attach the waveform. To avoid measurement errors, the oscilloscope uses a differential probe. It undershoots for a period of 11.3ns and drops to -1.05V. The datasheet…
    • Resolved

  • TPS61088: Why the tps61088 locked after load a motor during the opration

    Part Number: TPS61088 Dear Expert Customer pp state use our tps61088 from 4V input boost to 7.1V 2A maximum current . And the load is a DC motor . When customer pp about 100 pcs unit ,about 3 pcs unit wolud be lock output to 3.7V ,only when customer shutdown…
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  • TPS61088-Q1: Switching Frequency & operating Mode Selection

    Resolved
    Part Number: TPS61088-Q1 Hi, We plan to use TI’s boost regulator TPS61088-Q1, for our automotive design. Kindly help us in finalizing the below design parameters of the boost regulator for our design. Which switching frequency should we choose…
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  • TPS61088: SW pin overshoot and undershoot

    Resolved
    Part Number: TPS61088 Hello, I am working on implementing a boost converter using the TPS61088. May I ask for a bit of help in assessing the SW pin switching characteristics to see if they are within safe limits? The boost converter has the following…
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  • TPS61088: Audible Noise during FPWM Mode

    TI Thinks Resolved
    Part Number: TPS61088 We are using TPS61088 for boosting the rail from 3.2V to 7.5V with a current requirement of 3A during the burst transmission for a RF Communication. During the Burst transmission we can hear the ticking sound , even if we force the…

  • TPS61088: Shorting out of SW outputs at power-up

    Part Number: TPS61088 Hi Team, Can you have a look at the following customer inquiry, please? I can provide a schematic offline, if needed. We are using a number of different TI boost converters in a new pump design. However, we are encountering a serious…
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  • TPS61088: Shutdown current

    Resolved
    Part Number: TPS61088 Hi Team, Can you help clarify the question below? According to the datasheet, the shutdown current of the TPS61088 is 3uAn measured when no load and no feedback resistor divider is connected. If the design has a load and feedback…
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  • TPS61088: Strange load transient performance on EVM

    Resolved
    Part Number: TPS61088 Hi Team, When I tested load transient performance of TPS61088 EVM, I found the waveform was quite strange. The waveform is shown below. Test setup: Vin = 3.6V, Vout = 8.8V, default setup of EVM, 0A to 2A load transient. PFM mode…
    • Resolved

  • TPS61088: Strange performance for isolation FET

    TI Thinks Resolved
    Part Number: TPS61088 Hi Team, I conduct EN on test on TPS61088 EVM with default setup and 3.6Vin. When I connect EN to 0V, the isolation FET is ON instead of shutting down after 74ms of getting EN to low logic, which is quite different with description…

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