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| 型号： | TPS65166RHAR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQCC40 |
| 封装： | 6 X 6 MM, GREEN, PLASTIC, M0-220VJJD-2, QFN-40 |
| 文件页数： | 1/45页 |
| 文件大小： | 3690K |
| 代理商： | TPS65166RHAR |
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1
FEATURES
APPLICATIONS
DESCRIPTION
TYPICAL APPLICATION
Boost
Converter
WithHVS
Buck
Converter
NegativeShunt
Regulator
InvertingBuckBoost
With
Temperature
Compensation
Sequencing
AndLogic
Positive
Charge
Pump
PowerGood
Vs
15V/2.9A
Vlogic
3.3V/2.4A
VONE
28V/150mA
VOFFE
-22to-11V/200mA
Vss
-7.5V/100mA
Vin
12 V
www.ti.com.......................................................................................................................................................................................... SLVS976 – SEPTEMBER 2009
Compact LCD Bias Supply for TFT-LCD TV Panels
LCD TV Panel with ASG Technology
2
8.5V to 14.7V Input Voltage Range
V
S Output Voltage Range up to 19V
Boost Converter with 4.2A Switch Current
The TPS65166 offers a compact power supply
Step Down Converter with 2.6A Switch Current
solution to provide all voltages required by a LCD
and Adjustable Output 2.5V to 3.3V
panel for large TV panel applications running from a
750kHz Fixed Switching Frequency
12V supply rail. The device is optimized to support
Temperature Compensated Negative Supply
LCD technology using ASG gate drive circuits.
High Voltage Stress Test (HVS)
The device generates all voltage rails for the TFT
LCD bias (VS, VONE, VOFFE, VSS). In addition to that it
Adjustable Sequencing
includes a step-down converter (Vlogic) to provide the
Gate Drive Signal for Isolation Switch
logic voltage. By pulling the HVS pin high an
Short Circuit Protection
implemented
high
voltage
stress
test
feature
Internal Soft-Start
programs the boost converter output voltage Vs to
higher values. The boost converter operates at a
180° Phase Shift Between Buck and Boost
fixed switching frequency of 750kHz. The positive
P2P Short/Open Certified
charge pump is running from the boost converter and
Optimized Dual Layer PCB Layout
is regulated by an external transistor. A buck-boost
converter
provides
an
adjustable
temperature
Low EMI
dependent
negative
output
voltage
VOFFE. The
Undervoltage Lockout
negative output voltage VSS is regulated by a shunt
Thermal Shutdown
regulator.
Available in 6×6mm 40 Pin QFN Package
Safety features like overvoltage protection of the
buck-boost input voltage, the boost and buck output
voltage, undervoltage lockout, short circuit protection
of VONE, VOFFE, and Vlogic are included 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 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS65167ARHAR | 功能描述:其他电源管理 Compact LCD Bias Sply RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| TPS65167ARHARG4 | 功能描述:其他电源管理 Compact LCD Bias Sply RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| TPS65167EVM-277 | 功能描述:电源管理IC开发工具 TPS65167 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS65167RHAR | 功能描述:其他电源管理 Compact LCD Bias Supply RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel |
| TPS65167RHARG4 | 功能描述:LCD 驱动器 12V/3.5A(I/O) 4-CH Multi-Converter RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
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