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TPS92640PWPR PDF预览

TPS92640PWPR

更新时间： 2024-11-10 01:00:15
品牌 Logo 应用领域
德州仪器 - TI 驱动光电二极管接口集成电路
页数 文件大小 规格书
10页 207K
描述
Synchronous Buck Controllers for Precision Dimming LED Drivers

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TPS92640PWPR 技术参数

生命周期：Obsolete包装说明：HTSSOP,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.65
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G14
长度：5 mm功能数量：1
区段数：2端子数量：14
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
座面最大高度：1.1 mm最大供电电压：85 V
最小供电电压：7 V标称供电电压：24 V
表面贴装：YES温度等级：AUTOMOTIVE
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：4.4 mm
Base Number Matches：1

TPS92640PWPR 数据手册

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TPS92640  
TPS92641  
www.ti.com  
SNVS902 – NOVEMBER 2012  
TPS92640 / TPS92641 Synchronous Buck Controllers for Precision Dimming LED Drivers  
Check for Samples: TPS92640, TPS92641  
1
FEATURES  
DESCRIPTION  
The TPS92640/41 are high voltage, synchronous  
NFET controllers for buck current regulators. Output  
current regulation is based on valley current-mode  
control with a constant on-timer. This control method  
eases the design of loop compensation. The  
2
•
VIN range from 7V to 85V  
•
•
•
•
2Ω, 1Apeak MOSFET gate drivers  
Adjustable LED Current Sense voltage  
Input UVLO and output OVP  
Various dimming modes  
TPS92640/41 includes  
a
high-voltage start-up  
regulator that operates over a wide input range of 7V  
to 85V. The PWM controller is designed for high  
speed capability including an oscillator frequency  
range up to 1.0 MHz. The TPS92640/41 is optimized  
to give superior dimming performance with both  
analog and PWM dimming. Both devices include an  
error amplifier, precision reference, thermal shutdown  
and low power shutdown mode. Additionally, the  
TPS92641 provides shunt FET dimming capability.  
–
–
–
500:1 Analog Dimming  
2500:1 Standard PWM dimming  
20000:1 Shunt FET PWM dimming  
•
•
•
•
Shunt Dimming MOSFET gate driver  
Programmable switching frequency  
Precision Voltage Reference  
Low Power Shutdown Mode and Thermal  
Shutdown  
APPLICATIONS  
•
•
•
LED Driver / Constant Current Regulator  
Automotive LED Drivers  
General LED Illumination  
TYPICAL APPLICATION DIAGRAM  
VIN  
C2  
R1  
TPS92641  
R2  
HG  
Q1  
VIN  
L1  
LED+  
C1  
C6  
RON  
SW  
BOOT  
VCC  
LG  
D2  
C4  
D1  
UDIM  
VOUT  
VREF  
IADJ  
UDIM  
C5  
R4  
Q3*  
LED  
LOAD  
R3  
R8  
C3  
C7  
Q2  
R5  
C8  
R7  
CS  
R6  
R9  
LED-  
COMP  
SDIM  
GND  
SDRV  
DAP  
R10  
SDIM*  
*TPS92641 only  
GND  
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
All trademarks are the property of their respective owners.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2012, Texas Instruments Incorporated  
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与TPS92640PWPR相关器件

型号 品牌 获取价格 描述 数据表
TPS92640PWPR/NOPB TI

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 		用于精密调光 LED 驱动器的同步降压控制器 | PWP | 14 | -40 to 12
TPS92640PWPT TI

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 		Synchronous Buck Controllers for Precision Dimming LED Drivers
TPS92640PWPT/NOPB TI

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 		用于精密调光 LED 驱动器的同步降压控制器 | PWP | 14 | -40 to 12
TPS92641 TI

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 		Synchronous Buck Controllers for Precision Dimming LED Drivers
TPS92641PWP TI

获取价格

 		Synchronous Buck Controllers for Precision Dimming LED Drivers
TPS92641PWP/NOPB TI

获取价格

 		用于精密调光 LED 驱动器的同步降压控制器，带并联 FET 驱动器 | PWP | 16
TPS92641PWPR TI

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 		Synchronous Buck Controllers for Precision Dimming LED Drivers
TPS92641PWPR/NOPB TI

获取价格

 		用于精密调光 LED 驱动器的同步降压控制器，带并联 FET 驱动器 | PWP | 16
TPS92641PWPT TI

获取价格

 		Synchronous Buck Controllers for Precision Dimming LED Drivers
TPS92641PWPT/NOPB TI

获取价格

 		用于精密调光 LED 驱动器的同步降压控制器，带并联 FET 驱动器 | PWP | 16

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