Datasheet > BU91796BMUF-M

BU91796BMUF-M

更新时间： 2023-09-03 20:39:53

品牌	Logo	应用领域
罗姆 - ROHM		驱动驱动器
页数	文件大小	规格书
27页	1643K
描述
BU91796BMUF-M是占空比为1/4的车载领域通用LCD驱动器，最多可显示80段的LCD。支持工作温度达+105℃，且满足车载应用所要求的AEC-Q100 Grade2标准。Wettable Flank QFN封装有助于小型电路板应用和安装状态的目视检查，有助于提高安装可靠性。

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BU91796BMUF-M 数据手册

Datasheet

Low Duty LCD Segment Driver

for Automotive Application

BU91796BMUF-M

MAX 80 Segments (SEG20×COM4)

General Description

Key Specifications

Supply Voltage Range:

BU91796BMUF-M is a 1/4 duty general-purpose LCD

driver that can be used for automotive applications and

can drive up to 80 LCD Segments.

It can support operating temperature of up to +105 °C

and qualified for AEC-Q100 Grade2, as required for

automotive applications.

■

+2.5 V to +6.0 V

■

Operating Temperature Range: -40 °C to +105 °C

■

Max Segments:

Display Duty:

Bias:

80 Segments

1/4

1/3

Interface:

2 Wire Serial Interface

Wettable flank QFN package is suitable for small

footprint

applications

and

provides

significant

Special Characteristics

advantages in inspectability and solder joint reliability.

■

ESD (HBM):

Latch-up Current:

±2000 V

±100 mA

Features

AEC-Q100 Qualified^{(Note 1)}



Package



Integrated RAM for Display Data (DDRAM):

20 x 4 bit (Max 80 Segment)

W (Typ) x D (Typ) x H (Max)

5.0 mm x 5.0 mm x 1.0 mm

VQFN32FBV050



LCD Drive Output:

4 Common Output, Max 20 Segment Output

Integrated Buffer AMP for LCD Driving

Integrated Oscillator Circuit



No External Components

Low Power Consumption Design

Enlarged View

(Note 1) Grade 2

Applications



Instrument Clusters



Climate Controls

Car Audios / Radios

Metering

VQFN32FBV050

Wettable Flank Package



White Goods



Healthcare Products

Battery Operated Applications

etc.

Typical Application Circuit

VDD

C > 0.1µF

VDD

VLCD

COM0

COM1

COM2

COM3

SDA

SCL

MCU

Segment

LCD

SEG0

SEG1

OSCIN

TEST1

TEST2

Insert Capacitors

between VDD and VSS

VSS

SEG19

Internal Clock Mode

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.

www.rohm.com

TSZ02201-0P2P0D302160-1-2

12.Jun.2019 Rev.001

1/24

TSZ22111 • 14 • 001

12 3 4 5 6 7...27

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