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TE Connectivity


TE Connectivity Circuit Protection Design Considerations for LCD (Liquid Crystal Display) TV Power Supplies and I/O Ports

As LCD TV screens grow bigger, and brighter, they require more power to operate, increasing the need for more robust and reliable circuit protection techniques.

A variety of circuit protection devices can be used to help protect the LCD screen from damage caused by excessive current or voltage transients. Overcurrent protection may take the form of a fuse or a resettable PPTC (polymeric positive temperature coefficient) device. Deciding whether to specify a PPTC device or a single-use fuse depends on the LCD design, the types of threats the device may be exposed to, and the relevant safety requirements.

TE Connectivity offers a broad range of overcurrent, overvoltage and ESD suppression devices, for a variety of LCD TV applications such as:

  • Multi-output Power Supply Protection
  • CCFL Backlighting Protection
  • LED Backlighting Protection
  • Overcurrent and Overvoltage Protection for I/O Ports

See also:
For more detail and device recommendations, please download our Application Note.

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