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BU97931FV-BZE2

Description
LCD Drivers Multifunction LCD Segment Driver
Categorysemiconductor    Other integrated circuit (IC)   
File Size861KB,32 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
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LCD Drivers Multifunction LCD Segment Driver

BU97931FV-BZE2 Parametric

Parameter NameAttribute value
Product CategoryLCD Drivers
ManufacturerROHM Semiconductor
RoHSDetails
Package / CaseSSOP-40
PackagingCut Tape
PackagingReel
Factory Pack Quantity2000
Datasheet
Multifunction LCD Segment Driver
BU97931FV
MAX 112 segments (SEG28×COM4)
●Key
Specifications
Supply Voltage Range:
+1.8V to +3.6V
LCD drive power supply Range:
+2.7V to +5.5V
Operating Temperature Range:
-40°C to +85°C
Max Segments:
112 Segments
Display Duty:
Static, 1/3, 1/4 selectable
Bias:
Static, 1/3
Interface:
3wire serial interface
●Package
W (Typ.) x D (Typ.) x H (Max.)
●Features
Integrated RAM for display data (DDRAM):
28 x 4 bit (Max 112 Segment)
LCD drive output:
4 Common output, Max 28 Segment output
Integrated 1ch LED driver circuit
Segment/GPO (Max 5port) output mode selectable
Support PWM generation from ext. or internal clock
(Resolution: 8bit)
Support standby mode
Integrated Power-on-Reset circuit (POR)
Integrated Oscillator circuit
No external component
Low power consumption design
Independent power supply for LCD driving
Support Blink function
(Blink frequency 1.6, 2.0, 2.6, 4.0Hz selectable)
●Applications
Telephone
FAX
Portable equipment (POS, ECR, PDA etc.)
DSC
DVC
Car audio
Home electrical appliance
Meter equipment
etc.
●Typical
Application Circuit
LED/GPO using case
SSOP-B40
13.60mm x 7.80mm x 2.00mm
VLED=5.0V
VLCD
LED
VDD
*Regarding resistor value
Please detect the value according to
input current value (current MAX = 20mA)
BU97931FV
.0V
3.3V
SEG27(GPO0) to
SEG23(GPO4
Other
device
VSS
CSB
SD
SCL
CLKIN
SEG0 toSEG22
COM0 to COM3
LCD
CLKIN
Input signal from controller
External CLK input terminal
In case being unused, connect to VSS or be opened.
Figure 1.
Typical application circuit
○Product
structure:Silicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111½14½001
○This
product is not designed for protection against radioactive rays.
1/28
TSZ02201-0A0A2D300070-1-2
8.Jan.2013 Rev.002
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