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BD9202EFS

更新时间： 2024-11-29 08:51:55
品牌 Logo 应用领域
罗姆 - ROHM 驱动器
页数 文件大小 规格书
20页 514K
描述
White backlight LED drivers for medium to large LCD panels (SWREG type)

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中文翻译

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BD9202EFS 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：TSSOP包装说明：LEAD FREE, HTSSOP-44
针数：44Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.19数据输入模式：SERIAL
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G44
JESD-609代码：e2长度：18.5 mm
复用显示功能：NO功能数量：1
区段数：8端子数量：44
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：HVSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE, SHRINK PITCH
认证状态：Not Qualified座面最大高度：1 mm
标称供电电压：24 V电源电压1-最大：5.5 V
电源电压1-分钟：2.7 V电源电压1-Nom：3 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Tin/Copper (Sn/Cu)端子形式：GULL WING
端子节距：0.8 mm端子位置：DUAL
宽度：7.5 mmBase Number Matches：1

BD9202EFS 数据手册

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LED Driver Series for LCD Backlight  
White backlight LED drivers  
for medium to large LCD panels  
(SWREG type)  
BD9202EFS  
No.09040EAT01  
●Description  
BD9202EFS is the LED driver IC which loads the step-up DCDC controller and the constant electric current driver of 8ch.  
As for the constant electric current driver, PWM modulated light of 10bit gradation (1024stages) is possible with the register  
setting from 4 line serial interfaces.  
Because it can adjust brightness with every channel, back light is controlled in every area according to the light and shade  
of the picture, rise of contrast ratio is actualized.  
●Features  
1)8ch constant electric current driver built-in  
・ Largest drive electric current 150mA/CH *2  
・10bit gradation (1024 stages) modulated light is possible by register setting  
・To input the standard CLK of PWM from outside is possible (BCT_SYNC_IN terminal)  
・Because it is high output resisting pressure (60V), the multi-stage connection of LED is possible  
・Detecting abnormal mode with LED opening detection  
2)Step-up DCDC controller built-in  
3) UVLO function  
4) 4 line serial interface  
5) HTSSOP-A44 Package  
●Applications  
For the equipment of loading LCD indicator of TV, monitor and note PC and the like  
●Absolute maximum rating (Ta=25℃)  
Parameter  
Symbol  
VCC  
Rating  
36  
Unit  
V
CPUVDD  
VREG  
5.5  
5.5  
60  
V
Power supply voltage  
V
LED1～8 terminal voltage  
EN,LOADSW terminal voltage  
FAIL1,FAIL2 terminal voltage  
VLED1～8  
VEN,VLOADSW  
VFAIL1,VFAIL2  
V
36  
V
7
V
VVREF, VISET, VVSET, VTEST, VBRT,  
VRT, VCS, VUVLO,  
VCOMP,VCP1,VCP2,VTOUT1,  
VTOUT2,VSWOUT,VOVPVCT_SYNC_IN,  
VCT_SYNC_OUT,VBCT_SYNC_IN,  
VBCT_SYNC_OUT  
VREF,ISET,VSET,TEST,BRT,RT,  
CS,UVLO,COMP,CP1,CP2,TOUT1,  
TOUT2,SWOUT,OVP,CT_SYNC_IN,  
CT_SYNC_OUT,BCT_SYNC_IN,  
BCT_SYNC_OUT terminal voltage  
-0.3～5.5＜  
V
VREG  
CPUDI,CPUCLK,CPUCS,CPUDO  
terminal voltage  
-0.3～5.5＜  
CPUVDD  
VCPUDI, VCPUCLK, VCPUCS, VCPUDO  
V
Power Dissipation  
Operating Temperature Range  
Storage Temperature Range  
LED Maximum Current  
Pd  
4.5 *1  
-40～+85  
-55～+150  
150 *2 *3  
W
℃
Topr  
Tstg  
ILED  
℃
mA  
*1At the time of mounting 2 layer glass epoxy base-plate of 70mm×70mm×1.6mm, 36.0mW is reduced at 1 ℃ above Ta=25.  
*2 When the VF variation of LED is large, the loss quantity with the driver will increase, because there are times when package  
temperature rises, please do the base-plate design after considering heat dissipation measure sufficiently.  
*3It is the electric current quantity per 1ch.  
www.rohm.com  
© 2009 ROHM Co., Ltd. All rights reserved.  
2009.04 - Rev.A  
1/19  
1234567...20

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