Answered

• LP8555: LED per channel

  

  jung tae park

  Resolved

  Part Number: LP8555 Other Parts Discussed in Thread: LP8556 Hi I am trying to design the LP8556. I'm going to use the red LED (VF = 2V) The current is about 10 mA to 20 mA per channel. I want to control a total of 78ea LEDs with 13ea red LEDs per…

  • Resolved

  • over 7 years ago
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Answered

• RE: LP8553: Request for PWM to analog controller WLED Driver for medical applications

  

  Sean Zhou

  Resolved

  Hi Jonathan, I think LP8556 is the best one for your requirement, it supports PWM to analog dimming mode and it is very popular. BR Sean

  • over 6 years ago
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• TPS65132: I2C read register issue

  

  user021864

  TI Thinks Resolved

  Part Number: TPS65132 Other Parts Discussed in Thread: LP8556 , Hi, My customer is having problem reading the I2C register, may I ask that is there any extra setting need to be done from the external to enable I2C control or reading? Since they…

  • over 6 years ago
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• RE: TI Alternative to LT3598

  

  Sean Zhou

  Resolved

  Hi Bravos, You can refer to LP8863 sepic topology which can support vin is larger than vout or you can refer to LP8556 with the boost topology but this can't regulate the output current when vin is higher than vout. Regards Sean

  • over 7 years ago
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Answered

• LP8553: 1, 2 and 4 channels application with LP8553.

  

  Gilbert Liu

  Resolved

  Part Number: LP8553 Other Parts Discussed in Thread: LP8552 , LP8556 Hi TI, I have multiple applications are possible to use this LP8553, which have 1, 2 and 4 channels. So do you have a recommendation how to assign the channels? Refer to your first…

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  • over 5 years ago
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• RE: LM3699: 60mA per ch backlight LED driver (3ch)

  

  Sean Zhou

  Resolved

  Hi Roy, Yes, LP8556 has six-channel, each channel driver up to 50mA and you can combine two channels together to drive 60mA. Regards Sean

  • over 6 years ago
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• LP8556SQ-EVM: LP8556SQ-E9, Default EPROM

  

  Tamio Yokokura

  TI Thinks Resolved

  Part Number: LP8556SQ-EVM Other Parts Discussed in Thread: LP8556 LP8556 Support team When I confirmed the default configuration data of LP8556-E09 on LP8556SQEVM, I noticed that default data is different from the data in datasheet. And also, GUI tool…

  • over 7 years ago
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• BQ25703A: BQ25703A I2C timing

  

  Chung SENLIN

  TI Thinks Resolved

  Part Number: BQ25703A Other Parts Discussed in Thread: LP5562 , LP8556 , TUSB544 , We have some questions about I2C timing requirements defined in BQ2573A data sheet. (Rev. A, May 2018) Here are the requirements. Since these marked items…

  • over 6 years ago
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• RE: TPS61176: Current matching of TPS61176

  

  Sean Zhou

  Hi Sir, I'm sorry that we only have the typical spec. What's the application? and how about your target match performance. You can check LP8556/TPS61177A and LM36274 which has better match performance. Regards Sean

  • over 6 years ago
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• RE: TPS61196: audiable noise

  

  Sean Zhou

  Hi Fandy, TPS61196 is target for high current application, for low current application you can check our LP8556/7 and LP8557 or TPS61500. Regards Sean

  • over 6 years ago
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