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BU91797FUV-M PDF预览

BU91797FUV-M

更新时间: 2023-06-19 15:31:09
品牌 Logo 应用领域
罗姆 - ROHM 驱动控制器微控制器驱动器
页数 文件大小 规格书
27页 2367K
描述
BU91797FUV-M是1/4占空比车载用通用LCD驱动器,最多可显示144段LCD。本产品支持高液晶电压驱动及高帧频率驱动,也可驱动高显示精度的VA液晶。还支持+105℃工作,符合车载应用要求的AEC-Q100 Grade2标准。内置显示用RAM,可减轻微控制器负荷,还无需外置部件,实现了低功耗。

BU91797FUV-M 数据手册

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Datasheet  
Low Duty LCD Segment Driver  
for Automotive application  
MAX 144 Segments (SEG36×COM4)  
BU91797MUF-M  
General Description  
Key Specifications  
BU91797MUF-M is a 1/4 duty general-purpose LCD  
driver that can be used for automotive applications and  
can drive up to 144 LCD Segments.  
It can support operating temperature of up to +105°C and  
qualified for AEC-Q100 Grade2, as required for  
automotive applications.  
Supply Voltage Range:  
+2.5V to +6.0V  
-40°C to +105°C  
144Segments  
Operating Temperature Range:  
Max Segments:  
Display Duty:  
Bias:  
Interface:  
1/4  
1/2, 1/3 selectable  
2wire Serial Interface  
Wettable flank QFN package is suitable for small  
footprint applications and provides significant  
advantages in inspectability and solder joint reliability.  
Special Characteristics  
ESD(HBM):  
Latch-up current:  
±2000V  
±100mA  
Features  
AEC-Q100 Qualified (Note)  
Integrated RAM for Display Data (DDRAM):  
36 x 4 bit (Max 144 Segment)  
LCD Drive Output:  
Package  
W (Typ.) x D (Typ.) x H (Max.)  
4 Common Output, Max 36 Segment Output  
Integrated Buffer AMP for LCD Driving  
Integrated Oscillator Circuit  
No External Components  
Low Power Consumption Design  
(Note) Grade 2  
Applications  
Instrument Clusters  
Climate Controls  
Car Audios / Radios  
Metering  
VQFN48FV7070  
7.0mm x 7.0mm x 1.0mm  
White Goods  
Healthcare Products  
Battery Operated Applications  
etc.  
Typical Application Circuit  
VDD  
C > 0.1uF  
VDD  
VLCD  
COM0  
COM1  
COM2  
COM3  
SDA  
SCL  
Controller  
Segment  
LCD  
SEG0  
SEG1  
OSCIN  
TEST 1  
TEST  
Insert Capacitors  
between VDD and VSS  
2
VSS  
SEG35  
Internal Clock Mode  
Figure 1. Typical Application Circuit  
Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays.  
www.rohm.com  
TSZ02201-0P4P0D301040-1-2  
21.Dec.2015 Rev.001  
© 2015 ROHM Co., Ltd. All rights reserved.  
1/23  
TSZ2211114001  

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