TLC5928

更新时间： 2024-11-27 04:28:07

品牌	Logo	应用领域
德州仪器 - TI		驱动器
页数	文件大小	规格书
27页	1032K
描述
16-Channel, Constant-Current LED Driver with LED Open Detection

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TLC5928 数据手册

TLC5928

www.ti.com ................................................................................................................................................. SBVS120A–JULY 2008–REVISED SEPTEMBER 2008

16-Channel, Constant-Current LED Driver with LED Open Detection

FEATURES

APPLICATIONS

•

LED Video Displays

Message Boards

Illumination

•

16 Channels, Constant Current Sink Output

with On/Off Control

•

35-mA Capability (Constant Current Sink)

10-ns High-Speed Constant Current Switching

Transient Time

DESCRIPTION

The TLC5928 is a 16-channel, constant current sink

LED driver. Each channel can be turned on/off by

writing serial data to an internal register. The constant

current value of all 16 channels is set by a single

external resistor.

•

Low On-Time Error

LED Power-Supply Voltage up to 17 V

V_CC= 3.0 V to 5.5 V

Constant Current Accuracy:

–

Channel-to-Channel = ±1%

Device-to-Device = ±1%

The TLC5928 has two error detection circuits: one for

LED open detection (LOD) and one for a pre-thermal

warning (PTW). LOD detects

broken or

•

CMOS Logic Level I/O

disconnected LED and LEDs shorted to GND while

the constant current output is on. PTW indicates a

high temperature condition.

35-MHz Data Transfer Rate

20-ns BLANK Pulse Width

Readable Error Information:

–

LED Open Detection (LOD)

Pre-Thermal Warning (PTW)

•

Operating Temperature: –40°C to +85°C

VLED

OUT0

OUT15

SOUT

OUT0

SIN

OUT15

SOUT

DATA

SIN

SCLK

VCC

SCLK

LAT

Controller

LAT

VCC

GND

VCC

GND

BLANK

IREF

BLANK

IREF

TLC5928

ERROR

READ

IC1

ICn

R_IREF

Typical Application Circuit (Multiple Daisy-Chained TLC5928s)

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, Inc.

All other trademarks are the property of their respective owners.

UNLESS OTHERWISE NOTED this document contains

PRODUCTION DATA information 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.

12 3 4 5 6 7...27

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TLC5928 替代型号

型号	品牌	替代类型	描述	数据表
TLC59282	TI	功能相似	16-Channel, Constant-Current LED Driver with 4-Channel Grouped Delay
TLC59283	TI	功能相似	16-Channel, Constant-Current LED Driver with Pre-Charge FET
TLC59281	TI	功能相似	16-Channel,Constant-Current LED Driver

与TLC5928相关器件

型号	品牌	获取价格	描述	数据表
TLC5928_1	TI	获取价格	16-Channel, Constant-Current LED Driver with LED Open Detection
TLC59281	TI	获取价格	16-Channel,Constant-Current LED Driver
TLC59281_1	TI	获取价格	16-Channel,Constant-Current LED Driver
TLC59281DBQ	TI	获取价格	16-Channel,Constant-Current LED Driver
TLC59281DBQR	TI	获取价格	16-Channel,Constant-Current LED Driver
TLC59281RGE	TI	获取价格	16-Channel,Constant-Current LED Driver
TLC59281RGER	TI	获取价格	16-Channel,Constant-Current LED Driver
TLC59281RGET	TI	获取价格	16-Channel,Constant-Current LED Driver
TLC59282	TI	获取价格	16-Channel, Constant-Current LED Driver with 4-Channel Grouped Delay
TLC59282_15	TI	获取价格	16-Channel, Constant-Current LED Driver with 4-Channel Grouped Delay

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