• LP8556: Soft start

  

  Antony Lin

  TI Thinks Resolved

  Part Number: LP8556 Hi, Is there any possibility to slow down the soft start of this chip? I didn't see it's configurable from the datasheet. Thanks! Antony

  • over 6 years ago
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• LP8556: EPROM write/erase cycle

  

  Cedrick

  TI Thinks Resolved

  Part Number: LP8556 Hi, Good day. I hope everything is fine. Our customer wants to use the LP8556 and they want to know how many times can be write and erase for LP8556 EPROM? Like life cycle limitation. I hope you could help us provide this information…

  • over 6 years ago
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• LP8556: LP8556 - Partnumber and "PWM Only"

  

  user4226929

  TI Thinks Resolved

  Part Number: LP8556 I have 2 questions about the LP8556. We have two questions regarding the datasheet. On page 3 for the package type 3 different devices are specified. LED Channel Count 5, 4, or 6. Unfortunately, we do not find this subdivision anywhere…

  • over 8 years ago
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• LP8556: LP8556 - I2C and LED Channels

  

  Thomas Pressentin

  TI Thinks Resolved

  Part Number: LP8556 Hello, we want to use an LP8556 in our design and have two questiosn about it, i hope i can get help here. For the package type there are 3 different Devices given. LED Channel Count 5,4, or 6. Which channels are useable in which…

  • over 8 years ago
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• RE: LP8556: Need IBIS model

  

  Yuting Shao

  Hi Ameenu, Since LP8556 is a low speed device, there is no need of IBIS model for high speed signal integrity analysis. BR, Robin

  • over 6 years ago
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Answered

• LP8556: How to program internal EPROM

  

  user1196684

  Resolved

  Part Number: LP8556 I refer to the datasheet of LP8556(SNVS871M –JULY 2012–REVISED JUNE 2020). Where is explained the procedure to program EPROM?(How can I write and erase EPROM?)Is this internal EPROM OTP? Though it is written that LP8556TM*-E05/NOPB…

  • Resolved

  • over 6 years ago
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• RE: LP8556: One string operation with PWM Only EPROM config

  

  Yuting Shao

  Hi Dimitri, 1. The channels can be configured only by I2C. 2. Yes, the max. voltage can be set through I2C. 3. Sorry, we don't have this typical value. It needs bench test. 4. Please refer to section 8.6.2.6 of the datasheet. You can configure…

  • over 5 years ago
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Answered

• LP8556: LP8556SQX-E09/NOPB design question about EN pin and I2C pin

  

  Reagan Li

  Resolved

  Part Number: LP8556 Hi team, For the LP8556 application design I got 2 questions: 1.The minimum source current for the EN pin is 1mA and we got GPIO from CPU whose source capability is 3mA , can we just connect the EN pin to CPU GPIO directly ?…

  • Resolved

  • over 5 years ago
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Answered

• LP8556: I can’t tell if the output is pulsed even when controlling the level by I2c

  

  Stephen Nashburn

  Resolved

  Part Number: LP8556 Other Parts Discussed in Thread: TPS61169 Hello TI support, I have been researching multiple backlight LED drivers for controlling a string of LEDS. For example 6 LEDS per channel. I need the LEDs to be turned on at a steady current…

  • Resolved

  • over 4 years ago
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Answered

• LP8556: Can the channel number of LP8556SQX-E08/NOPB be changed to 6?

  

  Reagan Li

  Resolved

  Part Number: LP8556 Hi team, Customer got a question about the compatibility design for the LP8556SQX-E08/NOPB and LP8556SQX-E09/NOPB. The E08 version default channel number is 4 while that of E09 is 6. 1. Could we set follow EPROM setting of…

  • Resolved

  • over 5 years ago
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