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| 型号： | TPS65163RGZT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 4.2 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC48 |
| 封装： | 7 X 7 MM, GREEN, PLASTIC, VQFN-48 |
| 文件页数： | 1/43页 |
| 文件大小： | 1212K |
| 代理商： | TPS65163RGZT |
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V
LOGIC
V
S
GD
V
GL
V
GH
Boost
Converter
Buck
Converter
PositiveCharge
PumpController
NegativeCharge
PumpController
IsolationSwitch
Control
Reset
Generator
RST
OUT toOUT
1
9
LevelShifters
PanelDischarge
DISCH
IN toIN
1
9
FLK toFLK
1
3
www.ti.com
SLVSA28 – OCTOBER 2009
LCD Bias Supply With Integrated Level Shifters
Check for Samples :TPS65163
In typical display panel applications, the boost
1
FEATURES
converter generates the display panel source voltage,
8.6-V to 14.7-V Input Voltage Range
VS; the buck converter generates the system logic
2.8-A Boost Converter Switch Current Limit
supply, VLOGIC; and the two charge pump controllers
regulate the external charge pumps generating the
Boost Converter Output Voltages up to 18.5 V
display transistors’ on and off supplies, VGH and VGL.
Boost and Buck Converter Short-Circuit
Protection
The level shifters transform the logic-level control
signals generated by the display timing controller into
1.5-A Buck Converter (3.3 V) Switch Current
the high-level signals needed by the LCD panel. The
Limit
nine level-shifter channels are organized in two
Fixed 750-kHz Switching Frequency for Buck
groups, each with its own positive supply voltage
and Boost Converters
(VGH). Each channel uses a low-impedance output
Buck Converter and Boost Converter
stage to achieve fast rise and fall times, even when
driving
the
capacitive
loads
present
in
LCD
Soft-Start
applications. Channels 1 to 6 also support gate
Two Charge-Pump Controllers to Regulate VGH
voltage shaping.
and VGL
The TPS65163 also provides a reset circuit that
Control Signal for External High-Side MOSFET
monitors the buck converter output (VLOGIC) and
Isolation Switch
generates a reset signal for the timing controller
9-Channel Level Shifter Organized in Two
during power up and power down.
Groups of 7 and 2 Channels (Separate VGH)
A control signal can also be generated to control an
Gate Shaping (Level Shifter Channels 1 to 6)
external MOSFET isolation switch located between
Display Panel Discharge Function
the output of the boost converter and the display
panel.
Supports VGH Voltages up to 38 V
Supports VGL Voltages Down to –13 V
Reset Signal With Programmable Reset-Pulse
Duration
Thermal Shutdown
48-Pin 7-mm × 7-mm QFN Package
APPLICATIONS
LCD TVs and Monitors Using GIP Technology
DESCRIPTION
The TPS65163 integrates a boost converter, buck
converter,
reset
generator,
two
charge
pump
controllers and a nine-channel level shifter in a single
device.
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.
Copyright 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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