工業機器用低Duty LCD節段驅動器 - BU97931FV-LB

本產品適用於工具機市場、可保證長期供應之Rank 產品。 最適合使用在這些應用裝置上的產品。
ROHM的多機能節段驅動器最適合約從100節段到200節段為止的液晶節段驅動。除機種內建表示用RAM、可減輕微控制器負擔外、亦可大幅減少功耗電流及周邊元件數量。此外LED驅動器、依PWM可對應調光功能、GPO等的附加功能也完備、可做到在單一Rank 上的面板設計。

料號 | BU97931FV-LBE2
狀態 | 推薦品
封裝 | SSOP-B40
單位數量 | 2000
最小包裝數量 | 2000
包裝形式 | Taping
RoHS | Yes

規格:

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

功能:

  • 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