BU97931FV-LB
Low Duty LCD Segment Drivers for Industrial Applications

This product is for industrial market, and guaranteed with long term supply.
BU97931F-LB is a 1/4, 1/3duty or Static general-purpose LCD driver that can be used for industrial market applications and can drive up to 112 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 5 general-purpose outputs to control LED devices and can control 1ch LED driver that able to support LED PWM illumination.

Product Detail

 
Part Number | BU97931FV-LBE2
Status | Recommended
Package | SSOP-B40
Packing Type | Taping
Unit Quantity | 2000
Minimum Package Quantity | 2000
RoHS | Yes

Specifications:

Grade

Industrial

Segment Element

112

Duty

1/4, 1/3, Static

Bias

1/3

Elements of MUX 1:1

28

Elements of MUX 1:3

84

Elements of MUX 1:4

112

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

Max GPO [port]

5

LED Driver [port]

1

LCD Driving Waveform

Line/Frame

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

13.6x7.8 (t=2)

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Features:

  • Long time support product for Industrial applications
  • 1/4, 1/3duty or Static setting selectable
    1/4duty driving: Max 112 segments
    1/3duty driving: Max 84 segments
    Static driving: Max 28 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 5ch general purpose outputs (SEG selectable)
  • Integrated 1ch LED driver able to support 256 step PWM illumination
  • Support individual blink function with dedicated blink RAM integrated
  • Support 3 wire serial interface
  • Integrated voltage detected type power on reset circuit
  • No external components required
  • Low power consumption design
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