Answered

• TPS65142: Regarding the constant R6

  

  Kaji@PAN

  Resolved

  Part Number: TPS65142 Tool/software: Hello, I am an FAE at a distributor that handles TI products. I received the following question from my customer. In Figure 33 on page 22 of the data sheet, the constant for R6 is not listed. The part circled in…

  • Resolved

  • over 1 year ago
  • Power management
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• TPS65142: WLED Boost Conv. Vout max/min value

  

  Erkan Yildizbas

  Part Number: TPS65142 Other Parts Discussed in Thread: TPS65154 Tool/software: Hi Team, * We are designing an LCD drive circuit. LCD backlight requirements are as follows. * When I examine the datasheet, as I have shown in the attachment, it says…

  • over 1 year ago
  • Power management
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Answered

• TPS65142: Re-question regarding the selection of R6 constant

  

  Kaji@PAN

  Resolved

  Part Number: TPS65142 Tool/software: Hello, I asked a question about the constant of R6 in the following thread. Following your answer, my customer created a circuit with R6 set to 0Ω. Then, my customer checked the operation using the created board…

  • Resolved

  • over 1 year ago
  • Power management
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• TPS65142: TPS65142 dimming resolution

  

  Mason Liu

  TI Thinks Resolved

  Part Number: TPS65142 Hi, What is TPS65142 dimming resolution? i didn't find resolution in the datasheet, how to calculate it? For example, if the dimming PWM frequency is 200Hz and 25kHz, what is the corresponding dimming resolution? Thanks.…

  • over 6 years ago
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• TPS65142: TPS65142 VFLK and VGHM can floating?

  

  Lawrence He

  TI Thinks Resolved

  Part Number: TPS65142 Dear, we saw the TPS65142 datasheet typical application, VFLK PIN and VGHM PIN was floating? or MCU GPIO control VFLK? If any suggestion, Please advise me. Thanks, Best regards, Lawrence.

  • over 6 years ago
  • Power management
  • Power management forum
Answered

• TPS65142: Using the boost converter without dimming control?

  

  Thomas Middleton

  Resolved

  Part Number: TPS65142 Other Parts Discussed in Thread: TPS65150 In my application, the LED back light we have I don't think can be controlled with the integrated dimmer. It is a single Anode/Cathode for the LED array and has an IF of 180mA nominal. …

  • Resolved

  • over 5 years ago
  • Power management
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• TPS65142: VGL voltage tolerance

  

  Pjs

  TI Thinks Resolved

  Part Number: TPS65142 Hi, Can you explain how to calculate the worst case output voltage tolerance over load/line/temp for the VGL rail for the TPS65142? It looks like there are two parameters - 'reference voltage' and 'reference voltage of feedback…

  • over 7 years ago
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• RE: TPS65142 usage.

  

  Brigitte

  Hello Vishnu, Please excuse the extremely late response. 1. Depends on the frequency which creates least issues on your specific screen. 2. If your screen is a 100Hz screen, I would recommend to use another frequency for the dimming. Best regards…

  • over 9 years ago
  • Power management
  • Power management forum
Answered

• RE: TPS65142: TFT - LCD power spec

  

  Diaara

  Resolved

  Hello Hirotaka-san, Thanks for sharing your email address with us, I will let you know where to send me the specifications. Best regards, Diaara

  • over 9 years ago
  • Power management
  • Power management forum

• TPS65142: Boost regulator 6-21V input, 9.2V output, max 2Q

  

  Andrew Kling

  TI Thinks Resolved

  Part Number: TPS65142 Customer has started looking at TPS65142 for the requirement of: boost Regulator 6-21V input output 9.2V (+/- 100mv) 2W. Customer Comments: 3.3V is used to derive 9 and 28V power rails. This is 2 stage conversion with poor…

  • over 8 years ago
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