Datasheet > BU9795BGUW-E2

BU9795BGUW-E2

更新时间： 2022-02-26 12:23:14

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
29页	1686K
描述
Low Duty LCD Segment Driver

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BU9795BGUW-E2 数据手册

Datasheet

Low Duty LCD Segment Driver

BU9795BGUW MAX 124 segments (SEG31×COM4)

General Description

Key Specifications

BU9795BGUW is a 1/4 duty general-purpose LCD driver

that can be used for consumer / battery operated

products and can drive up to 124 LCD Segments.

It has integrated display RAM for reducing CPU load.

Also, it is designed with low power consumption and no

external component needed.

■

Supply Voltage Range:

+2.5V to +5.5V

Operating Temperature Range:

Max Segments:

Display Duty:

Bias:

Interface:

-40°C to +85°C

124 Segments

1/4

1/2, 1/3 selectable

3wire serial interface

Its small BGA package is well-suited for small footprint

applications.

Package

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

Features



Integrated RAM for display data (DDRAM) :

31 × 4bit (Max 124 Segment)

LCD drive output :



4 Common output, Max 31Segment output

Integrated Buffer AMP for LCD driving

Integrated Oscillator circuit

No external components

Low power consumption Design



VBGA049W040A

4.00mm x 4.00mm x 0.80mm

Applications



Metering



Home automation goods

White goods



Small appliances

Healthcare products

Battery operated products

etc.

Typical Application Circuit

VDD

COM0

COM1

COM2

COM3

VDD

VLCD

C > 0.1uF

INHb

CSB

Controller

Segment

LCD

SCL

SEG2

SEG3

OSCIN

TEST

VSS

Insert Capacitors

between VDD and VSS

SEG32

Internal Oscillator Circuit Mode

Figure 1.

Typical Application Circuit

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

www.rohm.com

TSZ02201-0P4P0D301490-1-2

25.Apr.2016 Rev.001

1/25

TSZ22111･14･001

12 3 4 5 6 7...29

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