BU97941FV
Multifunction LCD Segment Driver

ROHM的多机能SEG驱动器适合于100SEG到200SEG的 液晶SEG驱动。内置显示用的RAM，可以减少微型电脑负荷， 消耗电流及周边零件，实现了极大的节能设计。 LED驱动器 通过PWM对应调光机能，充实了GPO等附加机能,实现了高水平的 面板设计。

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主要规格

 
型号 | BU97941FV-E2
Status | 推荐品
封装 | SSOP-B40
包装形态 | Taping
包装数量 | 2000
最小独立包装数量 | 2000
RoHS | Yes

特性：

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

Package Size [mm]

13.6x7.8 (t=2)

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特点：

  • 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
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