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Stromversorgung und Treiber für LCD & OLED -Displays

TPS65140-Q1

AKTIV

LCD-Stromversorgung für die Automobilindustrie, 2,7 bis 5,8 V, 4 Kanäle

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Datenblatt

TPS65140-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Display type Automotive, LCD unipolar IC integration LCD bias Vin (min) (V) 2.7 Vin (max) (V) 5.8 Applications 13 to 21 inches, 7 to 13 inches 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 Operating temperature range (°C) -40 to 85
Display type Automotive, LCD unipolar IC integration LCD bias Vin (min) (V) 2.7 Vin (max) (V) 5.8 Applications 13 to 21 inches, 7 to 13 inches 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 Operating temperature range (°C) -40 to 85
  • 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
  • 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

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.

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.
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Typ Titel Datum
* Data sheet TPS65140-Q1 Triple Output LCD Supply With Linear Regulator & Power Good datasheet (Rev. B) 31 Jul 2017

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