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  • TPS61071-Q1: TPS61071TDDCRQ1 Input pins short to GND

    Part Number: TPS61071-Q1 Other Parts Discussed in Thread: TPS61071 , TPS61070 Hi Team, I have atatched the schematic screenshot of 3.3V to 5V boost. We have seen the failure of this "TPS61071". The VBAT,SW and EN pins are short to GND. -When good…

  • TPS61071: What happens when VIN >= VOUT?

    TI Thinks Resolved
    Part Number: TPS61071 What does the TPS61071 do when the input voltage on VBAT and VSW is equal to or greater than the set point on VOUT? Does the device simply pass VSW through to VOUT? Does the device shut down? The datasheet shows a couple graphs…

  • TPS61071: TPS61071DDCR has a burnout problem

    Part Number: TPS61071 Tool/software: Dear Designer, My customer had a burnout problem when using TPS61071DDCR for small batch testing, with a ratio of about 3/8. The schematic diagram is shown in the figure. Please help analyze the cause. Best Regards…

  • TPS61071-Q1: Failure of TPS61071-Q1 boost converter, SW pin shorted to ground

    Part Number: TPS61071-Q1 Other Parts Discussed in Thread: TPS61071 Good evening, We have a critical issue, close to product launch after 12 months of development that we are working round the clock the fix. In our product we have a TPS61071 boost…
    • Answered

  • TPS61071-Q1: SW pin shorted to ground issue

    Resolved
    Part Number: TPS61071-Q1 Tool/software: Hello, I am an FAE at a distributor that handles TI products. I asked about the issue of the SW pin being shorted to ground in the following thread. I received a follow-up question from my customer. The symptoms…
    • Resolved
    • Answered

  • TPS61071-Q1: SW pin is shorted to ground

    Resolved
    Part Number: TPS61071-Q1 Other Parts Discussed in Thread: TPS61070 Tool/software: Hello, I am an FAE at a distributor that handles TI products. I received an inquiry from my customer about the TPS61071-Q1. The inquiry is about the SW pin being shorted…
    • Resolved
    • Answered

  • TPS61071: output lower than expected when loaded before power on, output normal if loaded after power on

    Resolved
    Part Number: TPS61071 Other Parts Discussed in Thread: TPS61070 , , TLV61070A Tool/software: Hi there, I am using TPS61071DDCR to generate a 5.35V from an input of 3.3V to 4.2V. The schematics is as follows. In the first test, I used R3=1.74Mohm and…
    • Resolved

  • TPS61071: Single Booster Chip for Positive and Negative Output

    TI Thinks Resolved
    Part Number: TPS61071 Hi Dear, May I ask if TI has a solution where a single boost chip can achieve positive and negative output? For example, with a 4.2V input and a 5V output obtained through a boost chip, can negative 5V be obtained by adding some…
    • Answered

  • TPS61071: IC has the same pins as TPS61071

    Resolved
    Part Number: TPS61071 Other Parts Discussed in Thread: TPS61098 , LM2621 , TPS63900 Hi team, Currently I am using TPS61071 for a project with the supply of 2 cells batteries and the voltage out is 3.3V, but with a new battery 1 battery can have a voltage…
    • Resolved
    • Answered

  • RE: TPS61071-Q1: TPS61071 out ripple effect when input ripple

    Resolved
    Hi Minqiu Thank for your reply. inductance down to 3.3uH and connecting parallel 47~100nF with R6(1M) my issue is resolved. I will also attach a TPS61071 pattern, so can you tell me if there are any bad points? Unfortunately, in this time the…

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