전력 관리 LCD 및 OLED 디스플레이 전원 및 드라이버

TPS65142

활성

LCD 패널용 LCD 바이어스 솔루션(6채널 WLED 드라이버 포함)

제품 상세 정보

Display type LCD unipolar IC integration LCD bias, LED backlight, VCOM Vin (min) (V) 2.3 Vin (max) (V) 6 Applications 13 to 21 inches, 7 to 13 inches Source driver voltage (min) (V) 7 Source driver voltage (max) (V) 16.5 Level shifter/scan driver (Ch) 0 Features Backlight driver Topology Boost Rating Catalog Operating temperature range (°C) -40 to 85
Display type LCD unipolar IC integration LCD bias, LED backlight, VCOM Vin (min) (V) 2.3 Vin (max) (V) 6 Applications 13 to 21 inches, 7 to 13 inches Source driver voltage (min) (V) 7 Source driver voltage (max) (V) 16.5 Level shifter/scan driver (Ch) 0 Features Backlight driver Topology Boost Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (RTG) 32 18 mm² (6 mm × 3 mm)
  • Integrated Bias and Backlight Power
  • 2.3-V to 6-V Input Voltage Range for Bias
    • Up to 16.5 V Boost Converter with 1.8-A
      Switch Current
    • 1.2-MHz / 650-kHz Selectable Switching
      Frequency
    • Internal Compensation
    • Internal Soft-start at Power on
    • Reset Function (XAO Signal)
    • Regulated VGH
    • Regulated VGL
    • Gate Voltage Shaping
    • LCD Discharge Function
  • 150-mA Unity Gain VCOM Buffer
  • 4.5-V to 24-V WLED Backlight Input Range
    • Integrated 1.5-A / 40-V MOSFET
    • Boost Output Tracks WLED Voltage
    • Internal Compensation
    • External Current Setting Input
    • 6 Current-Sink Channels of 25 mA
    • Better than 3% Current Matching
    • Up to 1000:1 PWM Dimming Range
  • Overvoltage Protection
  • Thermal Shutdown
  • Undervoltage Lockout
  • 32-Pin 6 mm × 3 mm QFN Package
  • Integrated Bias and Backlight Power
  • 2.3-V to 6-V Input Voltage Range for Bias
    • Up to 16.5 V Boost Converter with 1.8-A
      Switch Current
    • 1.2-MHz / 650-kHz Selectable Switching
      Frequency
    • Internal Compensation
    • Internal Soft-start at Power on
    • Reset Function (XAO Signal)
    • Regulated VGH
    • Regulated VGL
    • Gate Voltage Shaping
    • LCD Discharge Function
  • 150-mA Unity Gain VCOM Buffer
  • 4.5-V to 24-V WLED Backlight Input Range
    • Integrated 1.5-A / 40-V MOSFET
    • Boost Output Tracks WLED Voltage
    • Internal Compensation
    • External Current Setting Input
    • 6 Current-Sink Channels of 25 mA
    • Better than 3% Current Matching
    • Up to 1000:1 PWM Dimming Range
  • Overvoltage Protection
  • Thermal Shutdown
  • Undervoltage Lockout
  • 32-Pin 6 mm × 3 mm 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 mm2 Thin 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 mm2 Thin QFN package.

다운로드 스크립트와 함께 비디오 보기 비디오

관심 가지실만한 유사 제품

open-in-new 대안 비교
비교 대상 장치와 유사한 기능.
TPS65154 활성 통합 WLED 드라이버를 지원하는 LCD 바이어스 IC This product adds a programmable Vcom calibrator and LDO for Vcc, with an LED current of 30mA instead of 25mA.

기술 자료

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6개 모두 보기
상위 문서 유형 직함 형식 옵션 최신 영어 버전 다운로드 날짜
* 데이터 시트 TPS65142 LCD Bias Power Integrated with WLED Backlight Drivers datasheet (Rev. B) PDF | HTML 2015. 8. 14
애플리케이션 노트 스트컨버터의 전력계 기본 계산 (Rev. D) PDF | HTML Download English Version (Rev.D) 2022. 11. 21
애플리케이션 노트 Understanding Undervoltage Lockout in Power Devices (Rev. A) 2018. 9. 19
선택 가이드 Power Management Guide 2018 (Rev. R) 2018. 6. 25
애플리케이션 노트 Generation of a VCOM buffer input using PWM signal 2015. 12. 21
애플리케이션 노트 TPS65142 Loop Compensation Design Consideration 2013. 7. 2

설계 및 개발

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WQFN (RTG) 32 Ultra Librarian

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