TLC5948APWPR.B datasheet(1/54 Pages) TI2

tên linh kiện	TLC5948APWPR.B

Giải thích chi tiết về linh kiện	16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit DC and 7-Bit Global BC LED Lamp

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nhà sản xuất	TI2 [Texas Instruments]

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¼

SIN

SCLK

LAT

GSCLK

SOUT

GND

VCC

Device 1

VCC

¼

SIN

SCLK

LAT

GSCLK

R

IREF

SOUT

Device n

OUT0

OUT15

DATA

SCLK

GSCLK

¼

R

IREF

Controller

GND

VCC

3

LAT

¼

OUT0

OUT15

¼

DataRead

VLED

TLC5948A

www.ti.com

SBVS192A – MARCH 2012 – REVISED DECEMBER 2012

16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver for

7-Bit DC and 7-Bit Global BC LED Lamp

Check for Samples: TLC5948A

1

FEATURES

23

•

16 Constant-Current Sink Output Channels

•

Current Reference Terminal Short Flag (ISF)

•

Sink Current Capability with Maximum DC and

•

Thermal Shutdown (TSD) and Error Flag (TEF)

BC Data:

•

Pre-Thermal Warning (PTW)

–

2 mA to 45 mA (VCC ≤ 3.6 V)

•

Four-Channel Grouped Delay Switching to

–

2 mA to 60 mA (VCC > 3.6 V)

Prevent Inrush Current

•

Dot Correction (DC):

•

Operating Temperature: –40°C to +85°C

–

7-Bit (128 Steps) with 0% to 100% Range

APPLICATIONS

•

Global Brightness Control (BC):

•

LED Video Displays

–

7-Bit (128 Steps) with 25% to 100% Range

•

LED Signboards

•

Grayscale Control (GS) with Enhanced

Spectrum or Conventional PWM:

DESCRIPTION

–

16-Bit (65,536 Steps)

The TLC5948A is a 16-channel, constant-current sink

•

LED Power-Supply Voltage: Up to 10 V

LED driver. Each channel has an individually-

•

VCC: 3.0 V to 5.5 V

adjustable, pulse width modulation (PWM) grayscale

(GS) brightness control with 65,536 steps and 128

•

Constant-Current Accuracy:

steps of constant-current dot correction (DC). DC

–

Channel-to-Channel: ±0.6% (typ), ±2% (max)

adjusts brightness deviation between channels. All

–

Device-to-Device: ±1% (typ), ±4% (max)

channels have a 128-step global brightness control

(BC). BC adjusts brightness deviation with other LED

•

Data Transfer Rate: 33 MHz

drivers. GS, DC, and BC data are accessible with a

•

Grayscale Control Clock: 33 MHz

serial interface port.

•

Auto Display Repeat and Auto Data Refresh

The TLC5948A has six error flags: LED open

•

Display Timing Reset

detection (LOD), LED short detection (LSD), output

•

Power-Save Mode to Minimize VCC Current

leakage detection (OLD), reference current terminal

short flag detection (ISF), pre-thermal warning (PTW),

•

LOD and LSD with Invisible Detection

and thermal error flag (TEF). The error detection

Mode (IDM)

results can be read with a serial interface port.

•

Output Leakage Detection (OLD)

Typical Application Circuit (Multiple Daisy-Chained TLC5948As)

1

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.

2

PowerPAD is a trademark of Texas Instruments.

3

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.

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	TLC5948APWPR	1Mb / 50P	16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	TLC5943	757Kb / 34P	16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control
	TLC5948A	1Mb / 50P	16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver
	TLC5949	1Mb / 51P	16-Channel, 12-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit Global BC LED Lamp
	TLC59291	800Kb / 45P	TLC59291 8/16-Channel, Constant Current LED Driver with 7-bit Brightness Control Low Quiescent Current and Full Self Diagnosis for LED Lamp
	TLC59581	525Kb / 28P	48-Channel, 16-Bit ES-PWM LED Driver
	TLC5929	1Mb / 43P	16-Channel, Constant-Current LED Driver with 7-Bit Global Brightness Control, Power-Save Mode, and Full Self-Diagnosis for LED Lamp
	TLC5942	884Kb / 29P	16-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction
	TLC5943	1Mb / 40P	16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control
	TLC59482	1Mb / 34P	16-Channel, 16-Bit, PWM LED Driver with 6-Bit Global Brightness Control
	TLC5943	1Mb / 40P	16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control

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