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參數資料
| 型號： | TPS65167RHAT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 4.9 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC40 |
| 封裝： | 6 X 6 MM, GREEN, PLASTIC, MO-220VJJD-2, QFN-40 |
| 文件頁數： | 1/41頁 |
| 文件大小： | 1270K |
| 代理商： | TPS65167RHAT |
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1
FEATURES
APPLICATIONS
DESCRIPTION
Vtemp
Buck Converter
TPS65167
LDO Controller
BoostConverter
High-VoltageStress Test
Positive Charge Pump
GateVoltageShaping
Negative Charge Pump
Temperature Sensor
Vs
15V/1.7 A
12V
VGH
30V/50mA
VGL
–5V/150mA
Vlogic
3.3V/2.5 A
Vaux
1.8V/500 mA
SLVS760C – APRIL 2007 – REVISED MARCH 2008
www.ti.com
Compact LCD Bias Supply for TFT-LCD TV Panels
LCD TV Panel
2
6 V to 14 V Input Voltage Range
LCD Monitor
Vs Output Voltage Range up to 19 V
Boost Converter With 3.5-A Switch Current
Boost Converter Overvoltage Protection
The TPS65167 offers a compact power supply
2.5-A Step-Down Converter With 3.3-V Fixed or
solution to provide all voltages required by a LCD
Adjustable Output
panel
for
large
size
monitor
and
TV
panel
750 kHz Fixed Switching Frequency
applications running from a 12-V supply rail.
150 mA Negative Charge Pump Driver for VGL
The device generates all 3 voltage rails for the TFT
50 mA Positive Charge Pump for VGH
LCD bias (Vs, VGL and VGH). In addition to that it
includes a step-down converter and a LDO controller
LDO Controller for Logic Supply
to provide two logic voltage rails. The device
Gate Voltage Shaping for VGH
incorporates a high voltage switch that can be
Temperature Sensor Output
controlled by a logic signal from the external timing
controller (TCON). This function allows gate voltage
TPS65167 - High Voltage Stress Test Vs
shaping for VGH. The device also features a high
and VGH
voltage stress test where the output voltage of VGH
TPS65167A - High Voltage Stress Test Vs only
is set to typically 30 V and the output voltage of Vs is
Adjustable Sequencing
programmable to any higher voltage. The high
voltage stress test is enabled by pulling the HVS pin
Gate Drive Signal for Isolation Switch
high. The device consists of a boost converter to
Short-Circuit Protection
provide the source voltage Vs operating at a fixed
Internal Soft-start
switching frequency of 750 kHz. A fully integrated
positive
charge
pump,
switching
automatically
Thermal Shutdown
between doubler and tripler mode provides an
Available in 6 × 6 mm 40 Pin QFN Package
adjustable regulated TFT gate on voltage VGH. A
negative charge pump driver provides adjustable
regulated output voltages VGL. To minimize external
components the charge pumps for VGH and VGL
operate at a fixed switching frequency of 1.5 MHz.
The device includes safety features like overvoltage
protection
of
the
boost
converter,
short-circuit
protection of VGH and VGL as well as thermal
shutdown.
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.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2007–2008, 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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相關代理商/技術參數 |
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| TPS65167RHATG4 | 功能描述:LCD 驅動器 12V/3.5A(I/O) 4-CH Multi-Converter RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TPS65168RSBR | 功能描述:LCD 驅動器 Hi ResFully Prgrm LCD Bias IC RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TPS65170EVM-559 | 功能描述:電源管理IC開發工具 TPS65170 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS65170RHDR | 功能描述:其他電源管理 LCD Bias Supply RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| TPS65170RHDT | 功能描述:其他電源管理 LCD Bias Supply RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
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