BU97931FV Datasheet, PDF (3/32 Pages) Rohm – Multifunction LCD Segment Driver

BU97931FV MAX 112 segments (SEG28×COM4)
●Absolute Maximum Ratings (VSS=0V)
Parameter
Symbol
Ratings
Unit
Remarks
Power supply voltage 1
VDD
-0.3 to +4.5
V Power supply
Power supply voltage 2
Power Dissipation
VLCD
Pd
-0.5 to +7.0
0.8*¹
V Power supply for LCD
W
Input voltage range
VIN
-0.5 to VDD+0.5
V
Operational temperature range Topr
-40 to +85
℃
Storage temperature range
Tstg
-55 to +125
℃
Iout1
5
mA SEG output
Output current
Iout2
Iout3
5
mA COM output
10
mA GPO output
Iout4
50
mA LED output
*1 When operated more than Ta=25^°C, subtract 8.0mW per degree. (using ROHM standard board)
(board size:74.2mm×74.2mm×1.6mm material: FR4 board copper foil: land pattern only).
●Recommended Operating Ratings(Ta=-40°C to +85°C,VSS=0V)
Parameter
Symbol
Ratings
MIN TYP MAX
Power supply voltage 1
VDD
1.8
-
3.6
Power supply voltage 2
VLCD 2.7
-
5.5
Output current
Iout4
-
-
20
Unit
Remarks
V Power supply
V Power supply for LCD
mA Per LED port 1ch
●Electrical Characteristics
DC characteristics (Ta= -40°C to +85°C, VDD=1.8V to 3.6V, VLCD=3.3V to 5.5V, VSS=0)
Parameter
Limits
Symbol
Unit
MIN TYP MAX
Conditions
“H” level input voltage
VIH 0.8VDD -
VDD V SD, SCL, CSB, CLKIN
“L” level input voltage
VIL
VSS
- 0.2VDD V SD, SCL, CSB, CLKIN
Hysteresis width
“H” level input current
VH
-
IIH1
-
“L” level input current
“H” level output voltage
(*2)
IIL1
VOH1
VOH2
VOH3
VOL1
-5
VLCD
-0.4
VLCD
-0.4
VLCD
-0.6
-
“L” level output voltage
(*2)
VOL2
-
VOL3
-
VOL4
-
*1 Power save mode 1 and frame inversion setting
*2 Iload: In this case, load current from only one port
0.2
-
-
-
-
-
-
-
-
0.11
-
V SCL, VDD=3.3V, Ta=25°C
5
µA
SD, SCL, CSB, CLKIN,
VI=3.6V
-
µA
SD, SCL, CSB, CLKIN,
VI=0V
-
V
Iload=-50µA, VLCD=5.0V
SEG0 to SEG27
-
V
Iload=-50µA, VLCD=5.0V,
COM0 to COM3
-
V
Iload=-1mA,VLCD=5.0V,
SEG23 to SEG27(GPO mode)
0.4
V
Iload= 50µA, VLCD=5.0V,
SEG0 to SEG27
0.4
V
Iload= 50µA, VLCD=5.0V,
COM0 to COM3
0.5
V
Iload=1mA, VLCD=5.0V,
SEG23 to SEG27(GPO mode)
0.5
V
Iload=20mA, VLCD=5.0V,
LED
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TSZ02201-0A0A2D300070-1-2
10.Apr.2015 Rev.004