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TPS65642

現行

適用筆記型個人電腦和平板電腦且具整合式 Gamma 參考的 LCD 偏壓

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產品規格表

TPS65642

現行
產品規格表 立即訂購

產品詳細資料

Display type LCD unipolar IC integration Gamma buffer, LCD bias, VCOM Vin (min) (V) 2.6 Vin (max) (V) 6 Applications 13 to 21 inches, 7 to 13 inches Source driver voltage (min) (V) 6 Source driver voltage (max) (V) 9.1 Level shifter/scan driver (Ch) 0 Features Adjustable sequencing, GPM or GVS, Gamma buffer, I2C interface, Output discharge, Reset generator, Temperature sensor or compensation, VCOM or op amp Topology Boost, Buck Rating Catalog Operating temperature range (°C) -40 to 85
Display type LCD unipolar IC integration Gamma buffer, LCD bias, VCOM Vin (min) (V) 2.6 Vin (max) (V) 6 Applications 13 to 21 inches, 7 to 13 inches Source driver voltage (min) (V) 6 Source driver voltage (max) (V) 9.1 Level shifter/scan driver (Ch) 0 Features Adjustable sequencing, GPM or GVS, Gamma buffer, I2C interface, Output discharge, Reset generator, Temperature sensor or compensation, VCOM or op amp Topology Boost, Buck Rating Catalog Operating temperature range (°C) -40 to 85
DSBGA (YFF) 56 10.7999999999999988 mm² 3 x 3.5999999999999996
  • 2.6 V to 6 V Input Voltage Range
  • Synchronous Boost Converter (AVDD)
  • Non-Synchronous Boost Converter with Temperature
    Compensation (VGH)
  • Synchronous Buck Converter (VCORE)
  • Synchronous Buck Converter (VIO1)
  • Low Dropout Linear Regulator (VIO2)
  • Programmable VCOM Calibrator with
    Two Integrated Buffer Amplifiers
  • Gate Voltage Shaping
  • Panel Discharge Signal (XAO)
  • System Reset Signal (RST)
  • 14-Channel, 10-Bit Programmable Gamma Voltage Correction
  • On-Chip EEPROM with Write Protect
  • I2C™ Interface
  • Thermal Shutdown
  • Supports GIP and Non-GIP Displays
  • 56-Ball, 3.16 mm × 3.45 mm 0.4 mm Pitch DSBGA
  • 2.6 V to 6 V Input Voltage Range
  • Synchronous Boost Converter (AVDD)
  • Non-Synchronous Boost Converter with Temperature
    Compensation (VGH)
  • Synchronous Buck Converter (VCORE)
  • Synchronous Buck Converter (VIO1)
  • Low Dropout Linear Regulator (VIO2)
  • Programmable VCOM Calibrator with
    Two Integrated Buffer Amplifiers
  • Gate Voltage Shaping
  • Panel Discharge Signal (XAO)
  • System Reset Signal (RST)
  • 14-Channel, 10-Bit Programmable Gamma Voltage Correction
  • On-Chip EEPROM with Write Protect
  • I2C™ Interface
  • Thermal Shutdown
  • Supports GIP and Non-GIP Displays
  • 56-Ball, 3.16 mm × 3.45 mm 0.4 mm Pitch DSBGA

The TPS65642 is a compact LCD bias solution primarily intended for use in Notebook and Tablet PCs. The device comprises two boost converters to supply the LCD panel’s source driver and gate driver/level shifter; two buck converters and an LDO linear regulator to supply the system’s logic voltages; a programmable VCOM generator with two high-speed amplifiers; 14-channel gamma voltage correction; and a gate voltage shaping function.

The TPS65642 is a compact LCD bias solution primarily intended for use in Notebook and Tablet PCs. The device comprises two boost converters to supply the LCD panel’s source driver and gate driver/level shifter; two buck converters and an LDO linear regulator to supply the system’s logic voltages; a programmable VCOM generator with two high-speed amplifiers; 14-channel gamma voltage correction; and a gate voltage shaping function.
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open-in-new 比較替代產品
功能相似於所比較的產品
TPS65640 現行 筆記型電腦和平板電腦的 LCD 偏壓數位 VCOM 緩衝器 This product has no integrated gamma buffer, and has two OpAmps.
TPS65642A 現行 適用筆記型個人電腦、平板電腦和螢幕且具整合 gamma 參考的 LCD 偏壓 This product has an integrated AVDD range from 7V to 10.1V (instead of 6.0 to 9.1V) and has Vio and Vcore in sync.

技術文件

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類型 標題 日期
* Data sheet LCD Bias with Integrated Gamma Reference for Notebook PCs, Tablet PCs datasheet 2013年 7月 19日
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 2022年 10月 28日
Application note Understanding Undervoltage Lockout in Power Devices (Rev. A) 2018年 9月 19日
Technical article Display Power: Why TFT LCD needs Temperature Compensation PDF | HTML 2017年 7月 26日
Application note How to Generate a Regulated VGL Supply Using the TPS65642A 2016年 12月 8日
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 2015年 8月 17日
Application note Minimizing Ringing at the Switch Node of a Boost Converter 2006年 9月 15日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

計算工具

TPS65642DESIGN-CALC — TPS65642 溫度補償計算

TPS65642 Temperature Compensation Calculation Tool.
下載
配置圖

TPS65642 Temperature Compensation Calculations (Rev. A)

SLVC684A.ZIP (122 KB)
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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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