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Showing 75 results View by: Thread Post Sort by
  • TPS2117: Cascaded TPS2117 and backpowering issues

    Frank L.
    Frank L.
    Part Number: TPS2117 Hi, I'm considering to use the TPS2117 as a power mux in a project. In the project there are three possible power supplies. 1)5V USB 2)3.7V LiPo battery 3) Another 5V source generated by a regulated upstream 24V source …
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS2117: TPS2117 - Behavior when VIN1 drops to 0V in Priority mode (MODE connected to VIN1)

    Gustavo
    Gustavo
    Resolved
    Part Number: TPS2117 Hi, I want to use the TPS2117 in Priority mode with VIN1 having priority. For that I have the MODE pin connected directly to VIN1. According to Table 7-1 in the datasheet, when VIN1 falls below 1.6V (and MODE ≥ 1V), the output…
    • Resolved
    • 15 days ago
    • Power management
    • Power management forum
  • TPS2117: Selection of substitutes for TPS2117

    R.Fukunaga
    R.Fukunaga
    TI Thinks Resolved
    Part Number: TPS2117 Other Parts Discussed in Thread: TPS2121 , Hi all, I asked in this thread. TPS2117: Selection of substitutes for TPS2117 - Power management forum - Power management - TI E2E support forums How is the progress? Best Regards…
    • 6 months ago
    • Power management
    • Power management forum
  • TPS2117: Selection of substitutes for TPS2117

    R.Fukunaga
    R.Fukunaga
    Part Number: TPS2117 Hi all, My customer is considering TPS2117 power multiplexer under the following conditions. The usage is as follows. Vin 1: 3.3 V (external 5 V→LDO→3.3 V input) Vin 2: 3.3 V (external 3.3 V direct input) PR1 and MODE are…
    • 7 months ago
    • Power management
    • Power management forum
  • Answered
  • TPS2117: TPS2117 Table clarification with VIN1 or VIN2 pulled down to GND

    Tamas Ledeczi
    Tamas Ledeczi
    Resolved
    Part Number: TPS2117 Dear E2E Support, I'm planning to use the TPS2117 power mux in priority mode with MODE pin connected to VIN1 and VIN1 connected to the PR1 pin through a resistor divider. The ST pin is pulled up to VOUT. The ST pin is used to drive…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • TPS2117: Output Voltage Drop when TPS2117 switchover

    Wang Carson
    Wang Carson
    Part Number: TPS2117 Hi , Problem Description: When testing the TPS2117, we observed that the measured switchover time (t_sw) is significantly different from the typical values specified in the datasheet's Figure 6-10 and Section 6.6 Switching Characteristics…
    • 7 months ago
    • Site support
    • Site support forum
  • TPS2117: TPS2117 External bias?

    kwon
    kwon
    TI Thinks Resolved
    Part Number: TPS2117 Tool/software: Hi. What is external bias?
    • 10 months ago
    • Power management
    • Power management forum
  • TPS2117: TPS2117 looping between VIN1 and VIN2 after internal FET short

    Tanapat Sombonsuk
    Tanapat Sombonsuk
    TI Thinks Resolved
    Part Number: TPS2117 Other Parts Discussed in Thread: TPS27081A I’m using TPS2117 as an O-Ring power multiplexer between VIN1 and VIN2 . In my setup, VIN2 = 5.05 V is the main supply, while VIN1 = 5.1 V is normally not powered. After running for some…
    • 6 months ago
    • Power management
    • Power management forum
  • TPS2117: TPS2117

    mudit mittal
    mudit mittal
    Part Number: TPS2117 Other Parts Discussed in Thread: TPS2121 Tool/software: Hi we are design a system which have a battery backup . following are its specification 1. Primary Voltage : 4.2 (stepping down from 5V to 4.2V ,stable output) 2. Secondary Voltage…
    • over 1 year ago
    • Power management
    • Power management forum
  • TPS2117: TPS2117 reverse current not blocking in diode mode

    THOMAS WALTER
    THOMAS WALTER
    Part Number: TPS2117 Tool/software: Hi, I am using the TPS2117 as wired in the sch : pmux.pdf I always use it in diode mode. When I have first 5V on 5V/3V6 rail (PWR_5V0 from pin 6 U32) then I plug the batt (VBAT_3V6), no current flows from U4…
    • 11 months ago
    • Power management
    • Power management forum
>

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