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부품번호 | BU9910KV 기능 |
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기능 | Status display LCD driver for PCs with I2C Bus interface | ||
제조업체 | ROHM Semiconductor | ||
로고 | |||
Multimedia ICs
Status display LCD driver for PCs
with I2C Bus interface
BU9910KV
The BU9910KV is a status LCD driver with I2C Bus intetface. Various lighting mode can be controlled through I2C
Bus. In addition, 20 direct drive inputs allow the application to drive 20 elements directly without I2C Bus, so that the
system configuration can be kept simple.
•Applications
PCs
•Features
1) I2C Bus interface.
2) Drive up to 44 LCD cells.
4 common × 11 segment, 1 / 3 bias, 1 / 4 duty
3) Blink operation for eaeh cell.
4) Support four frame frequencies
256Hz, 128Hz, 64Hz, 32Hz (at fOSC = 32.768kHz)
5) 20 direct drive inputs, which allow the application to
drive LCD directly without I2C control.
6) Minimum LCD drive time is guaranteed for direct in.
7) LCD device test ferminals.(LCDT0, LCDT1)
8)Power aupply voltages: 3.3V to 5.0V
1
Multimedia ICs
BU9910KV
Pin No.
37
38
39
40
41
42
43
44
45
46
47
48
Pin name
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
VDD
LCD segment driver output 10
LCD segment driver output 9
LCD segment driver output 8
LCD segment driver output 7
LCD segment driver output 6
LCD segment driver output 5
LCD segment driver output 4
LCD segment driver output 3
LCD segment driver output 2
LCD segment driver output 1
LCD segment driver output 0
Supply Voltage 3.0V to 5.5V
Function
•Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limits
Applied voltage
Power dissipation
VDD
Pd
7.0
400∗
Operating temperature
Topr
– 15 ~ + 75
Storage temperature
Tstg
– 55 ~ + 125
Input voltage
VIN GND – 0.5 ~ VDD + 0.5
∗ Reduced by 4mW for each increase in Ta of 1°C over 25°C.
᭺ ROHM holds a license from Philips semicondoctors for the “I2C Bus.”
Unit
V
mW
°C
°C
V
•Electrical characteristics (unless otherwise noted, Ta = 25°C, VDD = 5.0V)
Parameter
Circuit current
Input high level voltage
Input low level voltage
Input high level current
Input low level current
〈SDA pin〉
Output low level voltage
Symbol
IDD
VIH
VIL
IIH
IIL
Min.
20
VDD∗0.7
– 0.5
—
– 1.0
Typ.
35
VDD
0.0
0.0
0.0
Max.
50
VDD + 0.5
VDD∗0.3
1.0
—
Unit
µA
V
V
µA
µA
VOLsda
0.0
0.2
0.6
V
Output fall time
tfsda — — 250 ns
〈COM, SEG pins〉
Output intermediate level voltage VL3
Output intermediate level voltage VL2
Output intermediate level voltage VL1
Output low level voltage
〈LCDT pin〉
Pull-up resistance
᭺ Not designed for radiation resistance.
VOM3
VOM2
VOM1
VOL
VL3 – 0.1
VL2 – 0.1
VL1 – 0.1
0.0
VL3
VL2
VL1
0.2
VL3 + 0.1
VL2 + 0.1
VL1 + 0.1
0.6
V
V
V
V
RPU
24k 30k 36k
Ω
Conditions
Bias 51kΩ × 3
—
—
—
—
IOL = 6.0mA
CL = 400pF
IOL = 6.0mA
IOM3 = 100µA
IOM2 = 100µA
IOM1 = 100µA
IOL = 100µA
—
4
4페이지 Multimedia ICs
Pin No.
Pin name
15 ~ 16
HT0 ~
HT1
Equivalent circuit
BU9910KV
Pin description
Hold time setting terminal of the direct
drive input.
There are four hold times to drive the cell.
13 ~ 14
LCDT0 ~
LCDT1
30kΩ: VDD = 5.0V
LCD device test terminal.
7
7페이지 | |||
구 성 | 총 15 페이지수 | ||
다운로드 | [ BU9910KV.PDF 데이터시트 ] |
당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는 |
구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
BU9910KV | Status display LCD driver for PCs with I2C Bus interface | ROHM Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |