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  • TPS61178: TPS61178

    Resolved
    Part Number: TPS61178 Other Parts Discussed in Thread: TPS61288 , LM5155 Hi I am Looking for boost converter requirements 1) input voltage range is 2.7v-4.2V 2) Output volage should be 5V/8A Please suggest me the is this Part Number( TPS61178) is Suitable to…
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  • TPS61178: TPS61178 external clocking

    Resolved
    Part Number: TPS61178 Hello, The datasheet is ambiguous regarding external clocking of TPS61178. The "Pin Functions" table under "6 Pin Configuration and Functions" suggests that both models can be externally clocked. However, the parenthesis in "8.3.8…
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  • TPS61178: TPS61178 / TPS611781 load disconnect

    Resolved
    Part Number: TPS61178 Hello, If the external P-FET controlled by DISDRV is excluded, what is the behaviour of the TPS61178 / TPS611781? Doesn't the internal N-FET at the VOUT pin stop conducting when the controller EN pin is low (shutdown)? Best …
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  • TPS61178: What's the difference between TPS61178 & TPS611781

    TI Thinks Resolved
    Part Number: TPS61178 Other Parts Discussed in Thread: TEST , Hi team, My customer have two questions. 1. Do you have individual TPS61178 and TPS611781 reliability test reports? My customer only have TPS611781RNWR report, but they also would like to ge…

  • TPS61178: Schematics and layout review

    TI Thinks Resolved
    Part Number: TPS6117 Deleted to move out of the forum, please cancel this entriy...

  • RE: TPS61178: High current at no load

    Hi Danilo, 1. In shutdown mode (EN=0), the TPS611781 Vin will charge the output capacitor through Inductor, TPS611781 internal high-side MOSFET body diode. So customer sees a 3.45V Vout. TPS611781 has DISDRV pin for Input and Output disconnection in Shutdown…
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  • TPS61178: Question Asking

    Resolved
    Part Number: TPS61178 Other Parts Discussed in Thread: TEST Hi team, My customer have some question on TPS61178. CH1 Vin; CH2 Vout; CH3 SW ;CH4 EN Below is the test specification: Vin: 4V Vout: 5V Iout: 2.5A Frequency: 1MEG HZ (steady state) When the system…
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  • RE: TPS61178: Part not working properly

    Hi Carlos, I'd suggest trying half of the current frequency. TPS61288 does not have the same footprint but it is better for your application. Of course, you can using TPS61178 and optimize the design.
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  • TPS61178: Phase margin during PFM operation

    Resolved
    Part Number: TPS61178 Other Parts Discussed in Thread: TEST Hi team, The phase margin waveform during PFM operation is zero cross even in the low frequency range, and it is difficult to judge that it is stable. However, since ringing has not been confirmed…
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  • TPS61178: High current at no load (yet another)

    Resolved
    Part Number: TPS61178 Hello, I have created 5->11V boost converter using TPS61178. I used this chip previously w/o any problem. This is what I got: EN=HiZ: no input current at all (few mAmps) - doesn't matter on load (strange, isn't ? ) EN…
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