ROHM Product Detail

BU97931FV
Multifunction LCD Segment Driver

ROHM的多功能區段驅動器最適合使用於100 Segment到200 Segment的液晶區段驅動。內建機種顯示用的RAM，除了可減少微處理器的負擔，更可實現將消耗電流及週邊元件抑制到最低限度的節能設計。而且LED驅動器、對應PWM調光功能，不僅豐富了GPO等的附加機能，達到更高等級的面板設計。

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* 本產品是標準級的產品。
本產品不建議使用的車載設備。
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Product Detail

 
料號 | BU97931FV-E2
狀態 | 推薦品
封裝 | SSOP-B40
包裝形式 | Taping
單位數量 | 2000
最小包裝數量 | 2000
RoHS | Yes

規格:

Grade

Consumer

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=2.0)

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功能:

  • 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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