TPS65190 Datasheet, PDF (1/18 Pages) Texas Instruments – 10-Channel Level Shifter and VCOM Buffer

TPS65190
www.ti.com.......................................................................................................................................................................................... SLVS881 – SEPTEMBER 2009
10-Channel Level Shifter and VCOM Buffer
FEATURES
1
• 10-Channel Level Shifter, Organized as Two
Groups of 8 + 2 Channels
• Separate Positive Supplies (V_GH) for Each
Group
• V_GH Levels up to 38V
• V_GL Levels down to –13V
• Logic Level Inputs
• High Peak Output Currents
• High-Speed V_COM Buffer
• 28-Pin 5x5 mm QFN Package
APPLICATIONS
• Large Format LCD Displays using GIP
Technology
DESCRIPTION
The TPS65190 is a combined multi-channel
level-shifter and V_COM buffer intended for use in large
format LCD display applications such as TVs and
monitors. The device converts the logic-level signals
generated by the Timing Controller (T-CON) to the
high-level gate drive signals used by the display
panel and amplifies/buffers an externally generated
V_COM voltage.
The 10 level shifter channels are organized as 2
groups, each with its own positive supply. Channels
1-6 and 9-10 are supplied by V_GH1 and channels 7-8
are supplied by V_GH2. The two positive supplies can
be tied together if one positive supply voltage is used
for all level shifter channels. Both level shifter groups
use the same negative supply V_GL.
The level-shifters feature low impedance output
stages that achieve fast rise and fall times even when
driving significant capacitive loads.
The uncommitted high-speed operational amplifier
features a high slew rate and high peak current
capability that make it particularly suitable for driving
the panel’s common rail (V_COM).
AVDD
POS
+
NEG
-
GND
IN1
IN2
IN3
IN4
IN5
IN6
OUT
VGH1
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
VGH2
IN7
OUT7
IN8
OUT8
IN9
IN10
OUT9
OUT10
VGL
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2009, Texas Instruments Incorporated