Datasheet > TLC5922DAP

TLC5922DAP

更新时间： 2024-11-04 22:03:03

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
16页	337K
描述
LED DRIVER

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中文翻译

获取价格

数据手册
替代型号

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TLC5922DAP 数据手册

TLC5922

www.ti.com

SLVS486–SEPTEMBER 2003

LED DRIVER

DESCRIPTION

FEATURES

•

16 Channels

The TLC5922 is a constant-current sink driver with 128

steps of adjustable current value (dot-correction). Each

of the 16 channels has an individually controlled

dot-correction and an ON/OFF state. Both the ON/OFF

and dot-correction have their respective modes set via

1 port of serial I/F. The maximum current value of the

constant-current output of all 16 channels is pro-

grammed by a single external resistor. An external

processor programs each of the 16 channels of the

TLC5922 with the desired ON/OFF state and

dot-correction value through a single serial interface.

After all data is loaded, the processor then latches the

information into the TLC5922 and enables the outputs.

Drive Capability

– 0 to 80 mA (Constant-Current Sink) x 16 ch

•

Constant Current Accuracy

– ±1% (typ)

•

1 Port of Serial Data Input/Output

Fast Switching Output: T_r/ T_f= 10ns (typ)

CMOS Input/Output

30 MHz Data Transfer Rate

Vcc = 3 V to 5.5 V

Operating Temperature = -20°C to 85 °C

LED Supply Voltage up to 17 V

32-pin HTSSOP (PowerPAD^TM) Package

The TLC5922 includes two error flags. First is the LED

open detection (LOD) which indicates a broken LED at

an output terminal. The second is a thermal error flag

(TEF) which indicates an over temperature condition.

The TLC5922 has two methods to communicate these

error flags to the external processor. One method is on

a dedicated output pin, XDOWN. The other method is

through the serial data output pin, SOUT.

Dot Correction

– 128-Step For Each Individual 16 ch

•

Controlled In-Rush Current

Error Information

– LOD: LED Open Detection

– TEF: Thermal Error Flag

APPLICATIONS

•

LED Display

LED Signboard

FUNCTIONAL BLOCK DIAGRAM

VCC

SIN

SCLK

SOUT

D Q

LAT

XLAT

SW0

SW1

SW15

DC15[6]

XDOWN

IREF

16[output] Constant

Current Driver

DC0[1]

DC0[0]

with Dot Correction

BLANK

GND

OUT0

OUT15

PGND

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 Texas Instruments

standard warranty. Production processing does not necessarily in-

cludetestingofallparameters.

12 3 4 5 6 7...16

中文翻译

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TLC5922DAP 替代型号

型号	品牌	替代类型	描述	数据表
TLC5922DAPR	TI	完全替代	具有 20MHz 数据传输速率的 16 通道 LED 驱动器，不带点校正功能 \| DAP
TLC5922DAPG4	TI	完全替代	具有 20MHz 数据传输速率的 16 通道 LED 驱动器，不带点校正功能 \| DAP
TLC5922DAPRG4	TI	完全替代	具有 20MHz 数据传输速率的 16 通道 LED 驱动器，不带点校正功能 \| DAP

与TLC5922DAP相关器件

型号	品牌	获取价格	描述	数据表
TLC5922DAPG4	TI	获取价格	具有 20MHz 数据传输速率的 16 通道 LED 驱动器，不带点校正功能 \| DAP
TLC5922DAPR	TI	获取价格	具有 20MHz 数据传输速率的 16 通道 LED 驱动器，不带点校正功能 \| DAP
TLC5922DAPRG4	TI	获取价格	具有 20MHz 数据传输速率的 16 通道 LED 驱动器，不带点校正功能 \| DAP
TLC5923	TI	获取价格	LED DRIVER
TLC5923DAP	TI	获取价格	LED DRIVER
TLC5923DAPG4	TI	获取价格	具有 20MHz 数据传输速率的 16 通道 LED 驱动器，带点校正和完整诊断功能 \|
TLC5923DAPR	TI	获取价格	LED DRIVER
TLC5923RHB	TI	获取价格	IC LED DISPLAY DRIVER, PQCC32, 5 X 5 MM, PLASTIC, QFN-32, Display Driver
TLC5923RHBR	TI	获取价格	16-channel LED driver with 20Mhz data transfer rate with dot correctionn and full diagnose
TLC5923RHBT	TI	获取价格	16-channel LED driver with 20Mhz data transfer rate with dot correctionn and full diagnose

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