Answered

• TPS65640: I2C Interface

  

  Koshi Ninomiya

  Resolved

  Part Number: TPS65640 Tool/software: Dear Team, For I2C Interface pins, SDA and SCL, Is therer no problem if voltage is applied to these I2C pins when VIN is not supplied? I saw the absolute maximum ratings of the TPS65640 datasheet, I though that…

  • Resolved

  • 9 months ago
  • Power management
  • Power management forum
Answered

• TPS65640: PROGRAMMABLE VCOM CALIBRATOR

  

  Koshi Ninomiya

  Resolved

  Part Number: TPS65640 Tool/software: Dear Team, When requirement to VCOM is +3.0V, can NAVDD of the PROGRAMMABLE VCOM CALIBRATOR block be connected to GND? Best Regards, Koshi Ninomiya

  • Resolved

  • 9 months ago
  • Power management
  • Power management forum
Answered

• TPS65640: BOOST CONVERTER 2 (VGH) Tolerance

  

  Koshi Ninomiya

  Resolved

  Part Number: TPS65640 Tool/software: Dear Team, My customer is considering to use the TPS65640. The tolerance of VGH of Boost Converter 2 is +/-3%. However, this tolerance does not meet the LCD panel requirements. - TPS65640 Boost Converter 2 VGH…

  • Resolved

  • 10 months ago
  • Power management
  • Power management forum
Answered

• TPS65640: How to handle unused VT pin

  

  Koshi Ninomiya

  Resolved

  Part Number: TPS65640 Tool/software: Dear Team, My customer is designing the schematic of the TPS65640 application circuit. If they do not use the Temperature Compensation feature, how to handle unused VT pin? Best Regards, Koshi Ninomiya

  • Resolved

  • 10 months ago
  • Power management
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• TPS65640: Improving stability of boost convertors under light load -- attempt number 2.

  

  Nick Langford

  TI Thinks Resolved

  Part Number: TPS65640 Tool/software: A couple of months ago I asked: We have designed a PCBA using a TPS65640. Mostly the design (inductors, compensation network) is as per the application information diagram. Under light load the main AVDD rail…

  • 7 months ago
  • Power management
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• TPS65640: Improving stability of boost convertors under light load

  

  Nick Langford

  Part Number: TPS65640 Tool/software: Hi, We have designed a PCBA using a TPS65640. Mostly the design (inductors, compensation network) is as per the application information diagram. Under light load the main AVDD rail becomes unstable at higher voltages…

  • 9 months ago
  • Power management
  • Power management forum

• TPS65640: Could you help me find a good LCD Bias Power Supply Method

  

  Yuxi Liu(Tony)

  TI Thinks Resolved

  Part Number: TPS65640 Other Parts Discussed in Thread: TPS65150 Tool/software: Hi TIer Could you help me find a good solution for this 7 Inch LCD screen. Thank you very much.

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• TPS65640: About pin handling when not using Gate Voltage Shaping

  

  Kaji@PAN

  Resolved

  Part Number: TPS65640 Other Parts Discussed in Thread: TPS65642A Hello, Please tell me about pin handling when not using TPS65640's Gate Voltage Shaping. It is stated in the TPS65642A data sheet, but is the pin handling below correct? FLK pin: connect…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum

• TPS65640: TPS65640 full datasheet

  

  Carlos Revelli

  TI Thinks Resolved

  Part Number: TPS65640 hello, I need TPS65640 complete datasheet for my design Could send me the TPS65640 complete datasheet ? thanks

  • over 4 years ago
  • Power management
  • Power management forum

• RE: TPS65640: Could send me the TPS65640 complete datasheet ?

  

  Liaqat Khan

  Hello, Hello, To request a full datasheet for this device, please send an email to: display_contact@list.ti.com and include following details in your -mail: Your company name. Project details Anticipated annual purchase volume Your contact…

  • over 5 years ago
  • Power management
  • Power management forum

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