Preliminary Datasheet

LP6299

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LP6299 Version 0.2 FEB.-2018

Programmable Gamma and VCOM Buffers

General Description

The LP6299 providers a 14-channel programmable

gamma buffer and a programmable VCOM buffer for

applications in TFT-LCD Panel.

Each of the

14-channel gamma buffer is generated using a 10-bit

resolution digital-to-analog converter together with a

buffer through IIC control. The 14-channel gamma

buffer support dynamic switching between two

gamma curves by selecting

BANK select pin.

The

LP6299

also

features

a

programmable

operational amplifier that drives the LCD VCOM. This

unity-gain buffer is capable of rail-to-rail input and

output,

fast

slew

rate,

and

±150mA output

short-circuit current. The VCOM buffer voltage is IIC

programmed using 7-bit resolution.

The LP6299 includes EEPROM to store two gamma

codes and VCOM codes, and control it through IIC

interface at the real time.

(0.5mm pitch) package.

Order Information

F: Pb-Free

Package Type

QV: QFN-32

Features



IIC Interface Control



Input Supply Voltage Range

2.3V to 3.6V Logic Supply Range

6.5V to 18V Analog Supply Range



14-Channel Programmable Gamma Buffers

10-Bit, 1024-Step Resolution

±100mA Output Short Circuit



10V/μs Slew Rate

Two Bank Select



1-Channel Programmable VCOM Buffer

7-Bits, 128-Step Current Output

±150mA Output Short Circuit



20V/μs Slew Rate



Integrated EEPROM



Available in QFN-32 (5 mm×5mm)



RoHS Compliant and Halogen Free



Pb-Free Package

Applications



TFT LCD Panels

Marking Information

Device

Marking

Package

Shipping

LP6299

LPS

LP6299

YWX

QFN-32

3K/REEL

Y: Y is year code. W: W is week code. X: X is series number.