Answered

• LP8556: If LP8556SQE-E09 support I2C configuration

  

  Jessica Wu74

  Resolved

  Part Number: LP8556 Hi Team, Could you possible help to check if LP8556SQE-09 could support I2C configuration? From datasheet it shows PWM only support. But from EVM design, it seems this device could support I2C configuration, could you possible help…

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  • over 2 years ago
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Answered

• LP8556: Short LP8556 LED pin to drive LED that need 100mA?

  

  Len Hsu2

  Resolved

  Part Number: LP8556 Hi team, My customer wants to design in LP8556, but their LED need 100mA. Can just short the LED pin(pin LED1 and pin LED2) for this 100mA LED light?

  • Resolved

  • over 3 years ago
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Answered

• LP8556: Seeking LED driver with following requirements

  

  ameenu vm

  Resolved

  Part Number: LP8556 Other Parts Discussed in Thread: LM36922 , TPS61042 , TPS61043 , LM36274 Hi, Seeking LED driver with following requirements: 1. I2C control 2. Analog brightness control (that needs to be completly turn off at one end) 3. LED will be 2S2P…

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  • over 2 years ago
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• LP8556: Package of LP8556

  

  Jimmy Lai

  TI Thinks Resolved

  Part Number: LP8556 Dear Team, Our customer have a new project which is PCB 4 layer design without HDI. Could we use the WQFN package? Thanks a lot! Jimmy

  • over 3 years ago
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• RE: LP8556: Driver related questions from customer_ LP8558

  

  Mason Wang

  hi Dennis If there is no more question, I will close this thread. thanks.

  • over 2 years ago
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• LP8556: lp8556 register setting

  

  sijie

  Part Number: LP8556 Hi everyone PDET_STDBY bit of A1h which we now set to 1.However, the LP8556 does not appear to be on standby when the PWM signal is measured to be normally low.We measure a current of 2 to 3mA. What's the problem? Best Regards…

  • over 3 years ago
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• LP8556: TI solution suggestion

  

  Jimmy Lai

  TI Thinks Resolved

  Part Number: LP8556 Other Parts Discussed in Thread: LP8863-Q1 , LP8866-Q1 , TPS92390 Dear Team, Our customer's EV Charger product meets thermal issue at panel backlight driver(LP8556) when we burn-in the machine, the attachment is our panel spec: …

  • over 3 years ago
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• LP8556TM-EVM: Will the I2C registers configuration be reserved when LP8556 enters into shutdown mode?

  

  Jiayu Ye

  TI Thinks Resolved

  Part Number: LP8556TM-EVM Other Parts Discussed in Thread: LP8556 Dear TI, Will the I2C register configuration be reserved when LP8556 enters into shutdown mode? In other words, do I have to re-config LP8556 again when LP8556 quit shutdown mode? Thanks…

  • over 2 years ago
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• LP8556: Vboot observe 2 steps

  

  Hardy Xue

  Part Number: LP8556 Hi Team, My customer use our LP8556SQX-E09/NOPB LED driver and we found there that Vboot ramp up with 2 steps as below waveform. Also, customer's register table as below. We don't change Vboot setting 0xA6[5:0] but I have no idea…

  • over 3 years ago
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• LP8556: BRT_MODE and Curve Shaper Explanation

  

  Justin Young

  TI Thinks Resolved

  Part Number: LP8556 Hi LP8556 Team, For BRT_MODE, the practical difference between 01b and 11b is not very clear. As the datasheet says, when BRT_MODE=01b, both the Brightness and detected PWM are multiplied first, then run through the curve shaper. In…

  • over 3 years ago
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