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TPS65140-Q1的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:LCD 和 OLED 显示电源和驱动器
  • 功能描述:汽车类 2.7V 至 5.8V、4 通道 LCD 电源
  • 点击这里打开及下载TPS65140-Q1的技术文档资料
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TPS65140-Q1的产品详情:

The TPS65140-Q1 and TPS65145-Q1 devices offer a compact and small power supply solution that provides all three voltages required by thin-film transistor (TFT) LCD displays. The auxiliary linear regulator controller can be used to generate a 3.3-V logic power rail for systems powered by a 5-V supply rail only.

The main output, VO1 is a 1.6-MHz fixed-frequency PWM boost converter providing the source-drive voltage for the LCD display. The TPS65140-Q1 device has a typical switch current limit of 2.3 A and the TPS65145-Q1 has a typical switch current limit of 1.37 A.

A fully integrated adjustable charge pump doubler and provides the positive LCD gate-drive voltage. An externally adjustable negative charge pump provides the negative LCD gate-drive voltage.

For compensation of the devices please refer to Application Note: How to Compensate with the TPS6510x and TPS6514x SLVA813.

TPS65140-Q1的优势和特性:
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C5
  • Input Voltage Range: 2.7 V to 5.8 V
  • VO1 Boost Converter
    • Up to 15 V Output Voltage
    • Virtual Synchronous Converter Topology
    • < 1% Output Voltage Accuracy
    • 1.6-MHz Fixed Switching Frequency
    • 2.3-A Switch Current Limit
  • VO2 Negative Regulated Charge Pump
    • Down to -12 V / 20 mA
  • VO3 Positive Regulated Charge Pump
    • Up to 30 V / 20 mA
  • Three Independently Adjustable Outputs
  • Auxiliary 3.3-V Linear Regulator Controller
  • Internal Soft Start
  • Power Good
  • Protection Features
    • Short-Circuit Detection of all Outputs
    • Overvoltage Protection of all Outputs
    • Thermal Shutdown
  • Available in TSSOP-24 PowerPAD?Package
TPS65140-Q1的参数(英文):
  • Display type
  • Automotive, LCD unipolar
  • IC integration
  • LCD bias
  • Vin (Min) (V)
  • 2.7
  • Vin (Max) (V)
  • 5.8
  • Source driver voltage (Min) (V)
  • 5
  • Source driver voltage (Max) (V)
  • 15
  • Level shifter/scan driver (ch)
  • 0
  • V_POS (Max) (V)
  • 30
  • V_NEG (Max) (V)
  • -2
  • Topology
  • Boost
  • Rating
  • Automotive
TPS65140-Q1具体的完整产品型号参数及价格(美元):

TPS65140-Q1的完整型号有:TPS65140IPWPRQ1,以下是这些产品的关键参数及官网采购报价:

TPS65140IPWPRQ1,工作温度:-40 to 85,封装:HTSSOP (PWP)-24,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网TPS65140IPWPRQ1的批量USD价格:1.387(1000+)

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TPS65140-Q1的评估套件:

TPS65140EVM-031 — TPS65140 评估模块

The TPS65140EVM-031 is an evaluation tool for the TPS6514x multi-channel power supply for TFT LCD displays. The evaluation module can accept input voltages in range of 2.7V to 5.8V and supplies 10V, -5V and 23V to power a TFT display. Other voltages can be adjusted by changing resistor feedback (...)

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