LCD Segment Drivers

ROHM provides SEGMENT Driver series (from 80 Segment up to 280 Segment) which are best suitable for meter equipment, AV application and home appliance.　The lineup is as follows; the low power consumption type integrated buffer AMP for LCD Driving circuit, the type of integrated RAM and reduce micro-processor load, the type of integrated GPO function. So it is able to offers best suitable LCD SEGMENT Driver for several set system.

Part No.

Display
(dots)

Outputs

Operating Voltage

Duty

Bias

Interface

RAM

EVR

GPO

LED Dr

PWM
Gen.

Package

RoHS

SEG

COM

I/F Power
Supply
（V）

LCD Power
Supply
（V）

BU9795AFV

108

27

4

2.5 to 5.5

2.5 to 5.5

1/4

1/2, 1/3

3line serial

Yes

-

-

-

-

SSOP-B40

Yes

BU9795AGUW

124

31

4

2.5 to 5.5

2.5 to 5.5

1/4

1/2, 1/3

3line serial

Yes

-

-

-

-

VBGA048W040

Yes

BU9795AKV

140

35

4

2.5 to 5.5

2.5 to 5.5

1/4

1/2, 1/3

3line serial

Yes

-

-

-

-

VQFP48C

Yes

BU9794AKV

200

50

4

2.5 to 5.5

2.5 to 5.5

1/4

1/2, 1/3

3line serial

Yes

-

-

-

-

VQFP64

Yes

BU97950FUV

280

35

8

2.5 to 5.5

2.5 to 5.5

1/8

1/4

2line serial

Yes

Yes

-

-

-

TSSOP-C48V

Yes

NEW
BU97950KS2

280

35

8

2.5 to 5.5

2.5 to 5.5

1/8

1/4

2line serial

Yes

Yes

-

-

-

SQFP-T52

Yes

BU97930MUV

108

27

4

1.8 to 3.6

2.7 to 5.5

1/4,1/3,Static

1/3,Static

3line serial

Yes

-

Yes

Yes

Yes

VQFN040V6060

Yes

BU97931FV

112

28

4

1.8 to 3.6

2.7 to 5.5

1/4,1/3,Static

1/3,Static

3line serial

Yes

-

Yes

Yes

Yes

SSOP-B40

Yes

BU9798KV

196

49

4

1.8 to 3.6

3.3 to 5.5

1/4,1/3,Static

1/3,Static

3line serial

Yes

-

Yes

Yes

Yes

VQFP64

Yes

BU9798GUW

196

49

4

1.8 to 3.6

3.3 to 5.5

1/4,1/3,Static

1/3,Static

3line serial

Yes

-

Yes

Yes

Yes

VBGA063W050

Yes

NEW
BU97500KV

204

51

4

2.7 to 5.5

4.5 to 5.5

1/4,1/3

1/2,1/3

3line serial

Yes

-

Yes

-

-

VQFP64

Yes