Datasheet > TLC5944_1

TLC5944_1

更新时间： 2024-09-16 07:04:35

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
34页	983K
描述
16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction and Pre-Charge FET

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TLC5944_1 数据手册

TLC5944

www.ti.com ...................................................................................................................................................................................................... SBVS112–JUNE 2008

16-Channel, 12-Bit PWM LED Driver with

6-Bit Dot Correction and Pre-Charge FET

FEATURES

•

16 Channels, Constant Current Sink Output

•

Thermal Shutdown (TSD):

•

60-mA Capability (Constant Current Sink)

–

Automatic shutdown at over-temperature

conditions

•

12-Bit (4096 Steps) Grayscale Control with

PWM

–

Restart under normal temperature

6-Bit (64 Steps) Dot Correction with Sink

Current

•

Pre-Thermal Warning (PTW):

High temperature operation alert

Readable Error Information:

–

Internal Pre-Charge FET to Prevent LED

Ghosting Phenomenon on Multiplexed LED

Systems

–

LED Open Detection (LOD)

Thermal Error Flag (TEF)

Pre-Thermal Warning (PTW)

•

LED Power-Supply Voltage up to 15 V

V_CC= 3.0 V to 5.5 V

•

Noise Reduction:

Constant Current Accuracy:

–

4-channel grouped delay to prevent inrush

current

–

Channel-to-Channel = ±1%

Device-to-Device = ±3%

Operating Temperature: –40°C to +85°C

•

CMOS Logic Level I/O

30-MHz Data Transfer Rate

APPLICATIONS

•

Monochrome, Multicolor, Full-Color LED

Displays Using Multiplexing System

LED Signboards Using Multiplexing System

33-MHz Grayscale Control Clock

Continuous Base LED Open Detection (LOD):

•

–

Detect LED opening and LED short to GND

during display with auto output off function

VLED

LINEn

VLED

LINE0

OUT0

OUT15

SOUT

XERR

OUT0

SIN

OUT15

SOUT

XERR

DATA

SIN

SCLK

DCSEL

VLED

VCC

DCSEL

XLAT

VUP

BLANK

Controller

VCC

BLANK

GSCLK

IREF

VCC

GSCLK

FLAGS

VCC

GND

VCC

GND

IREF

READ

TLC5944

XERR

READ

R_IREF

IC1

ICn

Typical Application Circuit (Multiple Daisy-Chained TLC5944s)

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.

PowerPAD is a trademark of Texas Instruments, Incorporated.

All other trademarks are the property of their respective owners.

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.

12 3 4 5 6 7...34

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与TLC5944_1相关器件

型号	品牌	获取价格	描述	数据表
TLC5944PWP	TI	获取价格	16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction and Pre-Charge FET
TLC5944PWPG4	TI	获取价格	LED DISPLAY DRIVER, PDSO28, GREEN, PLASTIC, HTSSOP-28
TLC5944PWPR	TI	获取价格	16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction and Pre-Charge FET
TLC5944RHBR	TI	获取价格	16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction and Pre-Charge FET
TLC5944RHBRG4	TI	获取价格	LED DISPLAY DRIVER, PQCC32, 5 X 5 MM, GREEN, PLASTIC, QFN-32
TLC5944RHBT	TI	获取价格	16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction and Pre-Charge FET
TLC5944RHBTG4	TI	获取价格	LED DISPLAY DRIVER, PQCC32, 5 X 5 MM, GREEN, PLASTIC, QFN-32
TLC5945	TI	获取价格	16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL
TLC5945PWP	TI	获取价格	16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL
TLC5945PWPR	TI	获取价格	16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL

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