Texas Instruments TPS65167ARHAR

Description
The TPS65167 is a compact power supply solution for LCD panels in large-size monitors and TV applications. It generates the three voltage rails (Vs, VGL, and VGH) required for TFT LCD bias, as well as two logic voltage rails through a step-down converter and LDO controller. The device features a high-voltage switch controlled by the external timing controller (TCON) for gate voltage shaping of VGH. It also includes a high-voltage stress test mode where the output voltage of VGH is set to 30 V and the output voltage of Vs is programmable to a higher value.

Features
Compact LCD bias supply for TFT-LCD TV panels
6 V to 14 V input voltage range
Vs output voltage range up to 19 V
Boost converter with 3.5-A switch current
Boost converter overvoltage protection
2.5-A step-down converter with 3.3-V fixed or adjustable output
750 kHz fixed switching frequency
150 mA negative charge pump driver for VGL
50 mA positive charge pump for VGH
LDO controller for logic supply
Gate voltage shaping for VGH
Temperature sensor output
TPS65167 - High voltage stress test Vs and VGH
TPS65167A - High voltage stress test Vs only
Adjustable sequencing
Gate drive signal for isolation switch
Short-circuit protection
Internal soft-start
Thermal shutdown
Available in 6 x 6 mm 40-pin QFN package

Applications
LCD TV panels
LCD monitors