TLC5921

更新时间： 2024-11-29 08:45:15

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
14页	216K
描述
LED DRIVER

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数据手册
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TLC5921 数据手册

TLC5921

LED DRIVER

SLLS390 – SEPTEMBER 1999

DAP PACKAGE

(TOP VIEW)

Drive Capability and Output Counts

– 80 mA (Current Sink) x 16 Bits

Constant Current Output Range

– 1 to 80 mA (Current Value Setting for All

Output Terminals Using External Resistor)

GND

BLANK

XLAT

VCC

IREF

SOMODE

XDOWN

SOUT

Constant Current Accuracy

– ±1% (Typ)

– ±4% (Max) (Maximum Error Between

Bits, All Bits On)

SCLK

SIN

PGND

OUT0

OUT1

PGND

OUT2

OUT3

PGND

OUT15

OUT14

PGND

OUT13

OUT12

Voltage Applied to Constant Current Output

Terminal

– Minimum 0.6 V (Output Current 40 mA)

– Minimum 1 V (Output Current 80 mA)

Data Input

– Clock Synchronized 1 Bit Serial Input

OUT4 12

OUT5 13

PGND 14

21 OUT11

20 OUT10

19 PGND

Data Output

– Clock Synchronized 1 bit Serial Output

(With Timing Selection)

OUT6

OUT7

OUT9

OUT8

Input/Output Signal Level . . . CMOS Level

Power Supply Voltage . . . 4.5 V to 5.5V

Maximum Output Voltage . . . 17 V (Max)

Data Transfer Rate . . . 20 MHz (Max)

Operating Free-Air Temperature Range

–20°C to 85°C

Available in 32 Pin HTSSOP DAP Package

(P =3.9 W,

T = 25°C)

LOD Function . . . LED Open Detection

(Error Signal Output at LED Disconnection)

TSD Function . . . Thermal Shutdown (Turn

Output Off When Junction Temperature

Exceeds Limit)

description

The TLC5921 is a current-sink constant current driver incorporating shift register and data latch. The current

value at constant current output can be set by one external register. The device also incorporates thermal

shutdown (TSD) circuitry which turns constant current output off when the junction temperature exceeds the

limit, and LED open detection (LOD) circuitry to report the LED was disconnected.

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 include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...14

中文翻译

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TLC5921 替代型号

型号	品牌	替代类型	描述	数据表
TLC59291	TI	功能相似	具有低静态电流和完全自诊断功能的 8/16 通道恒流 LED 驱动器
TLC59284	TI	功能相似	16-Channel, Constant-Current LED Driver with Switching Delay

与TLC5921相关器件

型号	品牌	获取价格	描述	数据表
TLC59210	TI	获取价格	8-BIT DMOS SINK DRIVER WITH LATCH
TLC59210IN	TI	获取价格	8-BIT DMOS SINK DRIVER WITH LATCH
TLC59210IPWR	TI	获取价格	8-BIT DMOS SINK DRIVER WITH LATCH
TLC59211	TI	获取价格	8-BIT DMOS SINK DRIVER
TLC59211IN	TI	获取价格	8-BIT DMOS SINK DRIVER
TLC59211IPWR	TI	获取价格	8-BIT DMOS SINK DRIVER
TLC59212	TI	获取价格	8-BIT OPEN-COLLECTOR SINK DRIVER WITH LATCH
TLC59212IN	TI	获取价格	8-BIT OPEN-COLLECTOR SINK DRIVER WITH LATCH
TLC59212IPWR	TI	获取价格	8-BIT OPEN-COLLECTOR SINK DRIVER WITH LATCH
TLC59213	TI	获取价格	8-BIT PARALLEL IN/OUT DARLINGTON SOURCE DRIVER WITH LATCH

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