• TPS61176: I_IFBx Min Current

  

  Daisuke Nomura

  Part Number: TPS61176 Target Device : TPS61176 The maximum value of the current sink current I_IFBx is specified as 35 mA, but is there no minimum value? The reason of this asking is that they need to adjust the brightness of the LCD driven by this…

  • 1 month ago
  • Power management
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• TPS61176: Flicker-Free LED Driver IC

  

  GARETH OU

  TI Thinks Resolved

  Part Number: TPS61176 Other Parts Discussed in Thread: TPS92390 , TPS92381 Tool/software: Hi Could you help recommend a suitable product to replace SY7728 Please refer to the attachment for specifications, but be sure to prevent flickering …

  • 6 months ago
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• TPS61176: Low Output Voltage & Current Issues

  

  Felix Taylor

  Part Number: TPS61176 Tool/software: I'm designing a rechargeable lamp using the TPS61176 to drive 4 LED strings (4 LEDs per string). Despite seemingly correct component values, I'm getting lower than expected voltage and current. Configuration: …

  • over 1 year ago
  • Power management
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Answered

• TPS61176: Add a capacitor to the IFB pin

  

  user5054474

  Resolved

  Part Number: TPS61176 Hi, I want to add a capacitor to each IFB pin of the TPS61176 because flickering occurs in the immunity test. Please let me know if there is a recommended range for capacitor capacity. Best regards,

  • Resolved

  • over 2 years ago
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Answered

• TPS61176: FRA measurement

  

  T.F

  Resolved

  Part Number: TPS61176 Dear TI Teams I would like to do FRA measurement. (Loop Gain and Phase) Could you inform me of the measurement point. ---------- This is the measurement block diagram of my design. FRA:FRA1615 Best regards,

  • Resolved

  • over 3 years ago
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Answered

• TPS61176: Always PWM Dimming mode

  

  user5054474

  Resolved

  Part Number: TPS61176 Other Parts Discussed in Thread: LP8556 , TPS61181A , TPS61187 Dear Teams, Can the TPS61176 be used in the following ways? ----- The TPS61176 has two types of operation, Analog Dimming mode and PWM Dimming mode, but I want…

  • Resolved

  • over 3 years ago
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Answered

• TPS61176: Output missing.

  

  Kengo.Y

  Resolved

  Part Number: TPS61176 Hi team, In mode4, if a 120Hz PWM signal is an input, the output will be lost sometimes. Blue : IFBx Green : Input PWM signal This phenomenon only occurs in mode4. It also occurs when Duty is 10% to 0.5%. It does not occur below…

  • Resolved

  • over 4 years ago
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• TPS61176: Current matching of TPS61176

  

  Feng bin Su

  TI Thinks Resolved

  Part Number: TPS61176 Other Parts Discussed in Thread: TPS61177A , LP8556 , LM36274 Hi team, Do we have a higher Balance rate solution for this multi-channel BL driver IC? The current typical value of TPS61176 is 1.3%. What is the maximum value of it…

  • over 5 years ago
  • Power management
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• TPS61176: TPS61176；PWM

  

  kunhuo chen

  TI Thinks Resolved

  Part Number: TPS61176 TPS61176 Can't the PWM / EN pin directly input 1.8V or 5V DC with constant voltage? Use the circuit in the figure below to supply 5V DC power and provide 1.8V DC power to the PWM / EN pin. There is no output measured. Must the…

  • over 6 years ago
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Answered

• TPS61176: The combined String.

  

  Kengo.Y

  Resolved

  Part Number: TPS61176 Hi team, What would happen if all IFB were combined? The datasheet says that there are up to three. Sincerely. Kengo.

  • Resolved

  • over 4 years ago
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