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  • TPS61169: SW frequency at 5V input

    Resolved
    Part Number: TPS61169 I want to know the minimum SW frequency and maximum SW frequency at 5V input. A SW frequency graph with 5V input is also required. reference SWITCHING FREQUENCY ƒSW Switching frequency at VIN = 3 V Min 0.75 Typ 1.2 Max1.5 MH…
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  • TPS61169EVM: TPS61169

    TI Thinks Resolved
    Part Number: TPS61169EVM Other Parts Discussed in Thread: TPS61169 , TPS61165 To Whom it may concern : Currently I am making use of TPS61169 to drive ( single channel ) 6x 6 Leds with Iled 360mA ( application 10.1" LCD backlight driving ) I noticed…
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  • TPS61169: Can this drive a single red CREE LED?

    Resolved
    Part Number: TPS61169 Other Parts Discussed in Thread: TPS92200 Hi! I have to design a circuit to drive three CREE XPEBRD-L1-0000-00901 LEDs independently. These red LEDs are rated to 1A with a Vf at about 2.4V. The power source will be a single cell…
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  • TPS61169: TPS61169: We need to Use this booster for two LED

    TI Thinks Resolved
    Part Number: TPS61169 Hello Team , We are using TPS61169 is below condition : No of IR LED : 2 IR LED Forward Voltage : Min 1.2V and MAX 1.7V Current Setting : 300mA Booster Input Voltage : 3V3 A. When Driver is enable we measured below voltage and current…
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  • TPS61169: Whether the inductor selection is appropriate?

    Resolved
    Part Number: TPS61169 Dear Teams, My customer is using TPS61169 and select on inductor. Could you help check whether this inductor is appropriate? Vin: 5V Output: 20Vout; 20mA Inductor datasheet show in the attachment. TPS61169_MD3512(1).pdf Thanks! …
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    • Answered

  • TPS61169: How to set the minimum SW frequency to 1.2MHz or higher.

    Resolved
    Part Number: TPS61169 Is there a way to set the minimum SW frequency to 1.2MHz or higher?
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    • Answered

  • TPS61169: CTRL Voltage

    Resolved
    Part Number: TPS61169 Customer is driving TPS61169 CTRL pin with PWM with 3.3V MCU. TPS61169 Vin is 3V. This is potentially violating the CTRL maximum absolute maximum. What do you think, is this a concern? Regards, Mark
    • Resolved

  • TPS61169: Inconsistent output current.

    TI Thinks Resolved
    Part Number: TPS61169 Hi, There's some issues on the LED Driver TPS61169, after working out. We found that during low PWM dimming (1%) The output current is different from one unit to another. Hence, I have measure 6 different samples at the Feedback…

  • TPS61169: Automotive part

    TI Thinks Resolved
    Part Number: TPS61169 Other Parts Discussed in Thread: TPS61165 Hi team, Do we have auto-part of TPS61169? or similar auto-part of TPS61169. Roy
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  • TPS61169: Efficiency Improvement

    Resolved
    Part Number: TPS61169 Customer is using TPS61169 to drive 3 series LEDs with 3.2V +/-0.3V Vf, 45 mA If. Measured efficiency is 75%. Vin = 3.3V Cin 10 uF Cout = 1.0 uF L = 22 uH (LBR2012T220K) Questions: Does 75% efficiency seems reasonable for this design…
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