Catalog(1 parts)
| Part | Operating Temperature▲▼ | Operating Temperature▲▼ | Voltage - Supply▲▼ | Voltage - Supply▲▼ | Mounting Type | Applications | Supplier Device Package |
|---|---|---|---|---|---|---|---|
-40 °C | 85 °C | 2.299999952316284 V, 4.5 V | 6 V, 24 V | Surface Mount | LCD Monitor, Notebook Display | 32-WQFN (6x3) |
Key Features
• Integrated Bias and Backlight Power2.3-V to 6-V Input Voltage Range for BiasUp to 16.5 V Boost Converter with 1.8-ASwitch Current1.2-MHz / 650-kHz Selectable SwitchingFrequencyInternal CompensationInternal Soft-start at Power onReset Function (XAOSignal)Regulated VGHRegulated VGLGate Voltage ShapingLCD Discharge Function150-mA Unity Gain VCOM Buffer4.5-V to 24-V WLED Backlight Input RangeIntegrated 1.5-A / 40-V MOSFETBoost Output Tracks WLED VoltageInternal CompensationExternal Current Setting Input6 Current-Sink Channels of 25 mABetter than 3% Current MatchingUp to 1000:1 PWM Dimming RangeOvervoltage ProtectionThermal ShutdownUndervoltage Lockout32-Pin 6 mm × 3 mmQFN PackageIntegrated Bias and Backlight Power2.3-V to 6-V Input Voltage Range for BiasUp to 16.5 V Boost Converter with 1.8-ASwitch Current1.2-MHz / 650-kHz Selectable SwitchingFrequencyInternal CompensationInternal Soft-start at Power onReset Function (XAOSignal)Regulated VGHRegulated VGLGate Voltage ShapingLCD Discharge Function150-mA Unity Gain VCOM Buffer4.5-V to 24-V WLED Backlight Input RangeIntegrated 1.5-A / 40-V MOSFETBoost Output Tracks WLED VoltageInternal CompensationExternal Current Setting Input6 Current-Sink Channels of 25 mABetter than 3% Current MatchingUp to 1000:1 PWM Dimming RangeOvervoltage ProtectionThermal ShutdownUndervoltage Lockout32-Pin 6 mm × 3 mmQFN Package
Description
AI
The TPS65142 provides a compact solution to the bias power and the WLED backlight in note-pc TFT-LCD panels. The device features a boost converter, a positive charge pump regulator, and a negative charge pump regulator to power the source drivers and the gate drivers. A 150 mA unity-gain high-speed buffer is offered to drive the VCOM plane. Gate voltage shaping and the LCD discharge function are offered to improve the image quality. A reset function allows a proper reset of the TCON at the power on. The TPS65142 also offers the complete solution to driver up to 6 chains of WLEDs with 1000:1 ratio PWM dimming.
All features are integrated in a compact 6 × 3 mm2Thin QFN package.
The TPS65142 provides a compact solution to the bias power and the WLED backlight in note-pc TFT-LCD panels. The device features a boost converter, a positive charge pump regulator, and a negative charge pump regulator to power the source drivers and the gate drivers. A 150 mA unity-gain high-speed buffer is offered to drive the VCOM plane. Gate voltage shaping and the LCD discharge function are offered to improve the image quality. A reset function allows a proper reset of the TCON at the power on. The TPS65142 also offers the complete solution to driver up to 6 chains of WLEDs with 1000:1 ratio PWM dimming.
All features are integrated in a compact 6 × 3 mm2Thin QFN package.