Rohm Breadcrumb

Rohm Productdetail

Low Duty LCD Segment Drivers - BU97941FV

BU97941FV is a 1/4, 1/3duty or Static general-purpose LCD driver that can be used for consumer / battery operated products and can drive up to 104 LCD Segments.
It has integrated display RAM for reducing CPU load. Also, it is designed with low power consumption and no external component needed.
It can support up to 4ch LED driver to control LED devices.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BU97941FV-E2
Status | Active
Package | SSOP-B40
Unit Quantity | 2000
Minimum Package Quantity | 2000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Consumer

Segment Element

104

Duty

1/4, 1/3, Static

Bias

1/3

Elements of MUX 1:1

26

Elements of MUX 1:3

78

Elements of MUX 1:4

104

Interface [line serial]

3wire

Interface Voltage (Min.)[V]

1.8

Interface Voltage (Max.)[V]

3.6

Power Supply for LCD (Min.)[V]

2.7

Power Supply for LCD (Max.)[V]

5.5

LED Driver [port]

4

LCD Driving Waveform

Line/Frame

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Features:

  • 1/4, 1/3duty or Static setting selectable
    1/4duty driving: Max 104 segments
    1/3duty driving: Max 78 segments
    Static driving: Max 26 segments
  • 1/3 bias setting
  • Power supply for Interface: 1.8V to 3.6V
  • Power supply for LCD: 2.7V to 5.5V
  • Integrated LCD voltage driving circuit
  • Integrated oscillation circuit for LCD frame frequency
  • Line or Frame inversion driving selectable
  • Integrated 4ch LED driver
  • Support 3 wire serial interface
  • Integrated voltage detected type power on reset circuit
  • No external components required
  • Low power consumption design