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Showing 52 results View by: Thread Post Sort by
    Answered
  • TPS61221: Vin > Vout

    Yuta Nishie
    Yuta Nishie
    Resolved
    Part Number: TPS61221 Other Parts Discussed in Thread: TPS61299 , Hi, the following thread said " The output voltage will track the input voltage. As Vin goes higher, Vout goes higher. There will be a voltage drop across the IC that is a function of…
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • TPS61221: CR2025 to 3.3V converter

    MIT SHAH
    MIT SHAH
    TI Thinks Resolved
    Part Number: TPS61221 Other Parts Discussed in Thread: TPS61261 Hello urgent help required I have designed a power supply using TPS61221 Booster IC, Input supply is 3V and required output voltage is 3.3V , 7mA. CR2025 coin cell is used to drive circuit,…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS61221: ORing circuit (LTC4412) with two inputs 3.3V (battery) and 5V (from USB input) followed by TPS61221.

    venkatesh sujanimuk
    venkatesh sujanimuk
    TI Thinks Resolved
    Part Number: TPS61221 Other Parts Discussed in Thread: TPS63031 , TPS61220 Hi, am using diode ORing circuit before TPS61221. so TPS61221 has input either 3.3V (battery) or 5V(USB). is it ok to operate TPS61221 with USB voltage? do you see any potential…
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS61221: TPS61221 Coin Cell Battery operation

    THANGA PRABU
    THANGA PRABU
    TI Thinks Resolved
    Part Number: TPS61221 Hi, We are planning to use the TPS61221 as the Boast voltage regulator for 3.3V. Here the input voltage is coming from non-rechargeable battery coin cell battery(CR2032R) and it varies the input voltage is 3v to 1.2v during its…
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS61221: The output negative voltage.

    Kengo.Y
    Kengo.Y
    TI Thinks Resolved
    Part Number: TPS61221 Other Parts Discussed in Thread: LMR70503 , TPS62745 Hi team, Could you give me your advice about the output negative voltage? My customer wants to output 3.3V negative voltage with 3.3V input. The output current is very low(Around 1mA…
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS61221: Tina spice model for TPS61221DCKR is crypted

    soun schuller
    soun schuller
    Resolved
    Part Number: TPS61221 Hello, I'm using Tina for simulated my circuit. I taked the spice model on TI site here: http://www.ti.com/product/TPS61221/toolssoftware But it seems to be encrypted, some know how to decrypt it. soun
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS61221: Extending soft-start/limiting inrush current for TPS61221

    user3845365
    user3845365
    Part Number: TPS61221 Other Parts Discussed in Thread: TPS61291 Hello, We have a small, low-power device with a sub-1GHz transceiver and MCU (CC430F5xxx series), where power is supplied from a coin cell (CR2032 and/or CR2450) battery. The device sleeps…
    • over 5 years ago
    • Power management
    • Power management forum
  • TPS61221: TPS61221 drawing large current while not connecting to any load.

    Wilson Chiu39
    Wilson Chiu39
    TI Thinks Resolved
    Part Number: TPS61221 Hi there, I designed a PCB board for TPS61221 according to the datasheet. It successfully delivery 3.3V at Vout. The circuit is as below. However, I found that while no load at the output. The I in (input current) is about 6…
    • over 5 years ago
    • Power management
    • Power management forum
  • TPS61221: Maximum Output Current Issue

    Luke Beardslee
    Luke Beardslee
    TI Thinks Resolved
    Part Number: TPS61221 Other Parts Discussed in Thread: TPS61220 , TPS61220EVM-319 Hi, I'm trying to incorporated a TPS61221 boost regulator with a fixed 3.3 V output into an embedded design to keep the supply voltage above 3 V as the battery drains. My…
    • over 5 years ago
    • Power management
    • Power management forum
  • TPS61221: TPS61221 _EN input

    Vladimir Naumenkov
    Vladimir Naumenkov
    Part Number: TPS61221 Dear Sir, please answer I use TPS61221. Input voltage 1.7 - 5.5V. I out = 40 mA. Uout = 3.3V. Temperature from minus 40 to plus 60 C. Battery application! If to set "Low" to EN input, then converter stops working and input…
    • over 6 years ago
    • Power management
    • Power management forum
>

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