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  • TPS61169: How does TPS61169 supports the multi-strings Backlight LED

    TI Thinks Resolved
    Part Number: TPS61169 Hi, TPS61169 only have 1 output channel. Here’s the case: our backlight LED have two strings, and there’s 8 LED on each string. If we connect both of this two strings on this 1 output channel of TPS61169. Considering that the working…

  • TPS61169: SPEC confirmation request

    TI Thinks Resolved
    Part Number: TPS61169 Hi, Support Team A customer is designing an e-book. I want to operate the Back-light LED using the following products, As a result of checking, it seems that the number of strings is recommended as 10. The customer's spec is…

  • TPS61169: Flickering at 70% duty cycle

    TI Thinks Resolved
    Part Number: TPS61169 Hi team, Can you have look at the following customer inquiry please? In a current project I used the TI TPS61169 to drive a display backlight. The driver worked without problems in the pre-series, but currently we are struggling…

  • TPS61169: TPS61169

    TI Thinks Resolved
    Part Number: TPS61169 Hi, Can I use TPS61169 for following specification, VIN= 5V Vout(max)= 15.2V Iout(max)= 100mA CCM Please also suggest the inductor value for this design using TPS61169.
    • Answered

  • TPS61169: Not responding to higher freq PWM

    Resolved
    Part Number: TPS61169 There are another 11 LEDs in series (12 toral - set to 50mA max wire 3R9) The LIGHTS net is direct from a 1.8V CPU, and voltage goes rail to rail (checked on scope). When we run the PWM at around 500Hz (way below the spec) , the…
    • Resolved

  • TPS61169: TPS61169

    TI Thinks Resolved
    Part Number: TPS61169 Other Parts Discussed in Thread: TPS61170 Hi, I am designing a IR LED driver using TPS61169. The design requirements are follows: Vin(max)= 5V Vout(max)= 13V Iout(max)= 100mA As per my calculation I selected 10uH inductor. for the…
    • Answered

  • TPS61169: TPS61169

    Resolved
    Part Number: TPS61169 Hi Team, We are planning to use TPS61169 as a IR LED driver in our design. The requirement are as follows, Input voltage : 5V Output voltage : 18.6V Output Current : 100mA In datasheet, Its shown that the inductor value is 4.7…
    • Resolved
    • Answered

  • TPS61169: About the lineup of step-up LED drivers

    Resolved
    Part Number: TPS61169 Other Parts Discussed in Thread: TPS61500 Dear TI Team I am looking for an LED driver that meets the following conditions ・ Constant current boost type ・ VF: 6.15V (TYP) ・ Number of series: 1 (Use this LED (2 LEDs in series) in 1 row…
    • Resolved
    • Answered

  • TPS61169: LED driver with Current Limit value of 3-4A

    Resolved
    Part Number: TPS61169 Other Parts Discussed in Thread: TPS61500 , TPS92641 Dear TI Team Our customers were considering TPS61169, but they said they needed a Current Limit value of 3-4A. (Current Limit value is calculated from the LED supply current specifications…
    • Resolved
    • Answered

  • TPS61169: TPS61169 CTRL pin sink current

    Resolved
    Part Number: TPS61169 Dear Sir/Madam, My customer wants to connect one MCU output port to two TPS61169 CTRL pin to control two TPS61169 at the same time. Please refer to the attached file. As far as I know, this relates to CTRL pin sink current and MCU…
    • Resolved

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