STVM100DC6E

更新时间： 2024-02-21 14:36:03

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
27页	287K
描述
I2C LCD VCOM calibrator

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中文翻译

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数据手册

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STVM100DC6E 数据手册

STVM100

I²C LCD VCOM calibrator

Features

■ I C interface, slave address: 1001111

■ 7-bit adjustable sink current output

TDFN8 (3mm x 3mm) (DC)

TSSOP8 (3mm x 3mm) (DS)

■ 2.25V to 3.6V logic supply voltage V

■ AV operating voltages

– 4.5V to 20V for V from 2.6V to 3.6V

– 4.5V to 13V for V from 2.25V to 3.6V

■ EEPROM for storing the optimum V

setting

COM

■ Guaranteed monotonic output over operating

range

Description

■ 400kHz maximum interface bus speed

■ Operating temperature: –40°C to 85°C

The STVM100 is a programmable VCOM adjust-

ment solution for thin-film transistor (TFT) liquid-

crystal displays (LCDs) to remove “flickers”. It can

replace a mechanical potentiometer, so that the

factory operator can physically view the front

screen when performing the VCOM adjustment.

This significantly reduces labor costs, increases

reliability, and enables automation.

■ Available in an 8-pin 3mm x 3mm TDFN8 or

3mm x 3mm TSSOP8 Package

Applications

■ TFT-LCD panels

STVM100 provides a digital I C interface to con-

trol the sink current output (I

). This output

OUT

drives an external resistive voltage divider, which

can then be applied to an external V buffer.

COM

Three external resistors R , R , and R deter-

SET

mine the highest and lowest value of the V

COM

An increase in the output sink current will lower

the voltage on the external divider so that the

can be adjusted by 128 steps within this

COM

range. Once the desired V

setting is

COM

achieved, it can be stored in the internal

EEPROM that will be automatically recalled dur-

ing each power-up.

STVM100 is available in an 8-pin, 3mm x 3mm

TDFN8 or 3mm x 3mm TSSOP8 package.

Table 1.

Device summary

Order code

Optimum temperature range

Package

Packing

STVM100DC6E

STVM100DS6F

-40°C to 85°C

TDFN

ECOPACK package, tubes

TSSOP

ECOPACK package, tape and reel

July 2007

Rev 6

1/27

www.st.com

12 3 4 5 6 7...27

中文翻译

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