Datasheet > HPA01116RHBR

HPA01116RHBR

更新时间： 2024-02-05 08:01:58

品牌	Logo	应用领域
德州仪器 - TI		驱动接口集成电路
页数	文件大小	规格书
29页	1308K
描述
24-Channel, 12-Bit PWM LED Driver With Internal Oscillator

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技术参数
数据手册

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HPA01116RHBR 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	VQFN-32
Reach Compliance Code：	compliant	风险等级：	5.6
数据输入模式：	SERIAL	接口集成电路类型：	LED DISPLAY DRIVER
JESD-30 代码：	S-PQCC-N32	JESD-609代码：	e4
长度：	5 mm	湿度敏感等级：	2
复用显示功能：	NO	功能数量：	1
区段数：	24	端子数量：	32
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	HVQCCN
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	座面最大高度：	1 mm
最大供电电压：	5.5 V	最小供电电压：	3 V
标称供电电压：	3.3 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5 mm	最小 fmax：	30 MHz
Base Number Matches：	1

HPA01116RHBR 数据手册

TLC5947

www.ti.com ................................................................................................................................................. SBVS114A–JULY 2008–REVISED SEPTEMBER 2008

24-Channel, 12-Bit PWM LED Driver with

Internal Oscillator

FEATURES

•

Noise Reduction:

•

24 Channels, Constant Current Sink Output

30-mA Capability (Constant Current Sink)

12-Bit (4096 Steps) PWM Grayscale Control

LED Power-Supply Voltage up to 30 V

V_CC= 3.0 V to 5.5 V

–

4-channel grouped delay to prevent inrush

current

•

Operating Temperature: –40°C to +85°C

APPLICATIONS

•

Static LED Displays

Message Boards

Amusement Illumination

TV Backlighting

Constant Current Accuracy:

–

Channel-to-Channel = ±2% (typ)

Device-to-Device = ±2% (typ)

•

CMOS Logic Level I/O

DESCRIPTION

30-MHz Data Transfer Rate (Standalone)

15-MHz Data Transfer Rate (Cascaded Devices,

SCLK Duty = 50%)

The TLC5947 is a 24-channel, constant current sink

LED driver. Each channel is individually adjustable

with 4096 pulse-width modulated (PWM) steps. PWM

control is repeated automatically with the

programmed grayscale (GS) data. GS data are

written via a serial interface port. The current value of

all 24 channels is set by a single external resistor.

•

Shift Out Data Changes With Falling Edge to

Avoid Data Shift Errors

•

Auto Display Repeat

4-MHz Internal Oscillator

Thermal Shutdown (TSD):

The TLC5947 has a thermal shutdown (TSD) function

that turns off all output drivers during an

over-temperature condition. All of the output drivers

automatically restart when the temperature returns to

normal conditions.

–

Automatic shutdown at over temperature

conditions

–

Restart under normal temperature

V_LED

OUT0

OUT23

SOUT

OUT0

SIN

OUT23

SOUT

DATA

SIN

SCLK

XLAT

BLANK

V_CC

Controller

XLAT

TLC5947

ICn

XLAT

BLANK

IC1

VCC

GND

VCC

GND

BLANK

IREF

R_IREF

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.

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...29

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