TPS65642YFFT datasheet(1/70 Pages) TI

No de pièce	TPS65642YFFT

Description	LCD Bias with Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors

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Fabricant	TI [Texas Instruments]

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AV

DD

Boost Converter 1

V

IO1

Buck Converter 1

V

CORE

Buck Converter 2

V

GAM

Programmable

Gamma Voltages

Programmable

V

+ Buffers

COM

V

COM

V

IN

14

I C

2

V

GH

Boost Converter 2

2

V

GHM

Gate Voltage Shaping

V

GH

V

IO2

LDO Regulator

I C Interface

2

AV

DD

RST

Reset Generator

V

IO1

XAO

TPS65642

www.ti.com

SLVSBX6 – JULY 2013

LCD Bias with Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors

Check for Samples: TPS65642

1

Introduction

1.1

Features

1

• 2.6 V to 6 V Input Voltage Range

• Panel Discharge Signal (XAO)

• Synchronous Boost Converter (AVDD)

• System Reset Signal (RST)

• Non-Synchronous Boost Converter with

• 14-Channel, 10-Bit Programmable Gamma

Temperature Compensation (VGH)

Voltage Correction

• Synchronous Buck Converter (VCORE)

• On-Chip EEPROM with Write Protect

• Synchronous Buck Converter (VIO1)

• I2C™ Interface

• Low Dropout Linear Regulator (VIO2)

• Thermal Shutdown

• Programmable VCOM Calibrator with Two

• Supports GIP and Non-GIP Displays

Integrated Buffer Amplifiers

• 56-Ball, 3.16 mm x 3.45 mm 0.4 mm Pitch

• Gate Voltage Shaping

DSBGA

1.2

Applications

•

Notebook PCs

•

Tablet PCs

•

Monitors

1.3

Description

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.

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date. Products conform to

specifications per the terms of the Texas Instruments standard warranty. Production

processing does not necessarily include testing of all parameters.

Numéro de pièce similaire - TPS65642YFFT

Fabricant	No de pièce	Fiches technique	Description
Texas Instruments	TPS65642A	3Mb / 77P	[Old version datasheet] LCD Bias With Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors
Texas Instruments	TPS65642AYFFR	3Mb / 77P	[Old version datasheet] LCD Bias With Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors

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Description similaire - TPS65642YFFT

Fabricant	No de pièce	Fiches technique	Description
Texas Instruments	TPS65642A	3Mb / 77P	[Old version datasheet] LCD Bias With Integrated Gamma Reference for Notebook PCs, Tablet PCs and Monitors
Nuvoton Technology Corp...	NAU8325	1Mb / 57P	Notebooks / Tablet PCs
Toshiba Semiconductor	TPCA8081	238Kb / 9P	Notebook PCs Mobile Handsets
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Renesas Technology Corp	IDTP9165	3Mb / 92P	Programmable Multi Channel PMIC for Tablet PCs January 27, 2014
Toshiba Semiconductor	TPCA8078	231Kb / 9P	Notebook PCs Mobile Equipments
Toshiba Semiconductor	TPCF8305	244Kb / 9P	Notebook PCs Mobile Handsets
API Technologies Corp	CMD319	119Kb / 1P	PCS Duplexer With Bias Tee
Silicon Mitus, Inc.	SM4851	211Kb / 1P	Single-Inductor and Dual Output for Notebook and Tablet LCD Panel Bias Power Supply December 2017 Rev. 0.0.0

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