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TPS92551TZX PDF预览

TPS92551TZX

更新时间： 2024-11-05 11:58:27
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
21页 1258K
描述
450mA 23W Constant Current Buck LED Driver Micro-Module

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中文翻译

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TPS92551TZX 技术参数

生命周期：ObsoleteReach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.19接口集成电路类型：LED DISPLAY DRIVER
Base Number Matches：1

TPS92551TZX 数据手册

 浏览型号TPS92551TZX的Datasheet PDF文件第2页浏览型号TPS92551TZX的Datasheet PDF文件第3页浏览型号TPS92551TZX的Datasheet PDF文件第4页浏览型号TPS92551TZX的Datasheet PDF文件第5页浏览型号TPS92551TZX的Datasheet PDF文件第6页浏览型号TPS92551TZX的Datasheet PDF文件第7页 
May 17, 2012  
TPS92551  
450mA 23W Constant Current Buck LED Driver Micro-  
Module  
General Description  
Package Highlights  
The TPS92551 Constant Current Buck LED Driver Micro-  
Module drives maximum 450mA LED current up to 16 LEDs  
in a single string (maximum 23W). It integrates all the power  
components including the power inductor. The TPS92551  
provides a full turn-key, highly efficient solution for wide range  
of single string LED lighting applications with up to 95% power  
efficiency. It accepts an input voltage ranging from 4.5V to  
60V and delivers a 350mA LED current as default. The LED  
current is adjustable from 300mA to 450mA by charging a  
single external resistor.  
7 lead easy-to-use package (Similar to TO-263)  
■
■
Single exposed die attach pad for enhanced thermal  
performance  
10.2 x 13.8 x 4.6 mm package  
■
Applications  
General Lighting  
Desk Lamps  
■
Cabinet Lamps  
Decorative Lamps  
Street Lamps  
The module operates at constant switching frequency  
(800kHz) with low Electro Magnetic Interference(EMI) com-  
plying with EN55015 standard. The module has fast control  
loop to realize fine LED current pulse yielding 256–step PWM  
dimming resolution at 240Hz for general lighting. Protection  
features include thermal shutdown, input under-voltage lock-  
out, LED open-circuit and short-circuit protections. The  
TPS92551 Micro-Module is available in TO-PMOD 7 pin pow-  
er package.  
Architecture Lighting  
Recess Lights  
Spot Lights  
■
Underwater Lights  
System Performance  
Efficiency vs VIN , ILED = 350mA  
Easy to Use 7 Pin Package  
100  
16LED  
14LED  
10LED  
95  
90  
85  
80  
75  
6LED  
30172701  
TO-PMOD 7 Pin Package  
10.16 x 13.77 x 4.57 mm (0.4 x 0.39 x 0.18 in)  
25 30 35 40 45 50 55 60  
(V)  
θ
JA = 20°C/W, θJC = 1.9°C/W (Note 1)  
V
IN  
RoHS Compliant  
30172750  
Radiated Emissions (EN 55015)  
Features  
Integrated all power components including the power  
inductor  
■
Wide input voltage range : 4.5V - 60V  
■
■
■
Constant switching frequency at 800kHz  
High contrast ratio (Minimum dimming current pulse width  
< 16µs)  
30172731  
Drives up to 16 LEDs in series at 60V input  
■
■
■
■
■
■
■
LED Current with PWM Dimming  
16us dimming pulse  
±3.5% typical LED current accuracy  
LED current adjustable from 300mA to 450mA  
I
(200mA/DIV)  
LED  
Up to 95% efficiency  
Input Under-Voltage Lock-Out (UVLO)  
Compatible with ceramic and low ESR capacitors  
Low Electro Magnetic Interference (EMI) complies with  
EN55015 standard (Note 2)  
V
(2V/DIV)  
DIM  
LED open and short circuit protections  
■
■
■
Thermal shutdown and RoHS compliant  
-40˚C to +125˚C junction temperature range  
4 μs/DIV  
30172742  
© 2012 Texas Instruments Incorporated  
301727 SNVS805A  
www.ti.com  
1234567...21

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