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TPS61185RGER PDF预览

TPS61185RGER

更新时间： 2024-11-22 07:04:47
品牌 Logo 应用领域
德州仪器 - TI 显示驱动器驱动程序和接口接口集成电路电脑PC
页数 文件大小 规格书
26页 796K
描述
WLED Driver for Notebooks with PWM Control Interface

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中文翻译

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TPS61185RGER 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：VQFN-24针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.66Samacsys Confidence：
Samacsys Status：ReleasedSamacsys PartID：607836
Samacsys Pin Count：25Samacsys Part Category：Integrated Circuit
Samacsys Package Category：OtherSamacsys Footprint Name：QFN50P400X400X100-25N
Samacsys Released Date：2017-01-12 12:59:53Is Samacsys：N
输入特性：STANDARD接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：S-PQCC-N24JESD-609代码：e4
长度：4 mm湿度敏感等级：2
复用显示功能：NO功能数量：1
区段数：80端子数量：24
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
封装等效代码：LCC24,.16SQ,20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
电源：3/3.3 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Display Drivers
最大压摆率：3 mA最大供电电压：24 V
最小供电电压：4.2 V标称供电电压：10.8 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：4 mm
最小 fmax：0.02 MHzBase Number Matches：1

TPS61185RGER 数据手册

 浏览型号TPS61185RGER的Datasheet PDF文件第2页浏览型号TPS61185RGER的Datasheet PDF文件第3页浏览型号TPS61185RGER的Datasheet PDF文件第4页浏览型号TPS61185RGER的Datasheet PDF文件第5页浏览型号TPS61185RGER的Datasheet PDF文件第6页浏览型号TPS61185RGER的Datasheet PDF文件第7页 
TPS61185  
www.ti.com  
SLVSAA1A –APRIL 2010–REVISED MAY 2010  
WLED Driver for Notebooks with PWM Control Interface  
Check for Samples: TPS61185  
The TPS61185 supports the PWM method for  
1
FEATURES  
brightness dimming. Simply tie the unused current  
sinks to ground if fewer than eight are needed. During  
PWM dimming, each of the eight current regulators is  
turned on/off at the duty cycle determined by an  
external pulse width modulation (PWM) signal input to  
the PWM pin. The frequency at which each current  
regulator turns on/off follows the input PWM signal on  
the PWMIN pin if the MODE pin is grounded. If the  
MODE pin is left floating or tied high, the regulators  
turn on/off at the frequency programmed by an  
external resistor on the FPWMO pin.  
•
•
•
4.2 V to 24 V Input Voltage  
Integrated 2 A/40 V MOSFET  
600 kHz to 2 MHz Programmable Switching  
Frequency  
•
•
•
•
•
•
•
•
•
•
•
Adaptive Boost Output for Best Efficiency  
Design to Use Small L-C Components  
Integrated Loop Compensation  
Eight 25 mA Current Sinks  
Up to 10 WLED in Series  
The TPS61185 IC supports boost switch frequency  
programming from 600kHz to 2MHz by an external  
resistor on the FSW pin. The device also provides a  
driver output for an optional external PFET connected  
between the input and inductor for truly disconnecting  
the battery from LED during the shutdown or fault  
1% Current Matching and Accuracy  
PWM Brightness Interface Control  
200 mV Ripple Under PWM Dimming  
Driver for Input/Output Isolation PFET  
Programmable Over Voltage Threshold  
protection.  
The  
device  
integrates  
resistor  
100 Hz to 5 kHz Programmable PWM Dimming  
Frequency  
programmable over-voltage protection, soft-start, and  
thermal shutdown.  
•
•
Up to 20 kHz Direct PWM Dimming Frequency  
The TPS61185 IC has a built-in linear regulator to  
power the internal circuits of the IC. The device is in a  
4 mm × 4 mm QFN package.  
Enhanced Electrostatic Discharge Immunity  
Level  
•
•
•
Built-in WLED Open/Short Protection  
Over Temperature Protection  
Typical Application Circuit  
L1  
D1  
10 mH  
4.2V~24V  
24 Pin 4 mm × 4 mm QFN Package  
C2  
4.7 mF  
R3  
1 MW  
C1  
4.7 mF  
APPLICATIONS  
R4  
54.9 KW  
FAULT  
VIN  
SW1 SW2  
•
Notebook LCD Display Backlight  
PGND1  
PGND2  
C4  
1 mF  
VDD  
C3  
1 mF  
OVP  
DESCRIPTION  
TPS61185  
FPWMO  
EN  
The TPS61185 IC provides highly integrated  
solutions for large-size LCD backlighting. This device  
has a built-in high efficiency boost regulator with  
integrated 2 A/40 V power MOSFET. The eight  
current sink regulators provide high precision current  
regulation and matching. In total, the device can  
support up to 80 LEDs. In addition, the boost output  
automatically adjusts its voltage to the WLED forward  
voltage to improve efficiency.  
R5  
715 KW  
PWMIN  
Open Freq Pro  
Direct  
MODE  
ISET  
GND  
IFB1  
IFB2  
IFB3  
IFB4  
IFB5  
IFB6  
IFB7  
IFB8  
R1  
62 KW  
FSW  
AGND  
R2  
604 KW  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2010, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...26

中文翻译

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TPS61185RGER 替代型号

型号 品牌 替代类型 描述 数据表
TPS61185RGET TI

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 WLED Driver for Notebooks with PWM Control Interface

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