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TPS65176
  • TPS65176
  • TPS65176

TPS65176

ACTIVE

LCD Bias IC for TV

Texas Instruments TPS65176 Product Info

1 April 2026 3

Parameters

Display type

LCD unipolar

IC integration

LCD bias

Vin (min) (V)

9.5

Vin (max) (V)

14

Applications

13 to 21 inches, 21 inches and above

Source driver voltage (min) (V)

13.7

Source driver voltage (max) (V)

18.5

Level shifter/scan driver (Ch)

0

Features

Reset generator

Topology

Boost, Buck

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Package

VQFN (RHD)-28-25 mm² 5 x 5

Features

  • 9.5V to 14V Input Voltage Range
  • Up to 18.5V Boost Converter with 3.5-A Switch Current
  • 500kHz to 2 MHz Adjustable Switching Frequency for Boost Converter
  • 2.5-A Buck Converter Switch Current Limit
  • Fixed 750kHz Switching Frequency for Buck Converter
  • Two Charge Pump Controllers for VGON and VGOFF
  • Adjustable Power-on Sequence
  • Gate Driver Signal for Isolation Switch
  • Internal Soft-Start
  • Undervoltage Lockout
  • Over Voltage Protection
  • Short Circuit Protection
  • Thermal Shutdown
  • 9.5V to 14V Input Voltage Range
  • Up to 18.5V Boost Converter with 3.5-A Switch Current
  • 500kHz to 2 MHz Adjustable Switching Frequency for Boost Converter
  • 2.5-A Buck Converter Switch Current Limit
  • Fixed 750kHz Switching Frequency for Buck Converter
  • Two Charge Pump Controllers for VGON and VGOFF
  • Adjustable Power-on Sequence
  • Gate Driver Signal for Isolation Switch
  • Internal Soft-Start
  • Undervoltage Lockout
  • Over Voltage Protection
  • Short Circuit Protection
  • Thermal Shutdown

Description

The TPS65176 provides a simple and economic power supply solution for a wide variety of LCD bias applications. A buck converter generates a logic supply for the timing controller (T-CON) while a boost converter generates the AVDD voltage to power the Source Driver ICs. Two regulated charge pump controllers generate VGON and VGOFF with very few external components to turn on and off the display transistors. The sequencing of the supplies at power on is fully controllable by the user. The TPS65176 also includes various protection mechanisms to ensure the safe operation of the LCD panels.

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