Standard LCD Segment Driver BU9794AKV

ROHM的标准机能SEG驱动器最适合于80SEG到280SEG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。

型号Status封装包装数量最小独立包装数量包装形态RoHS
BU9794AKV-E2供应中VQFP6410001000TapingYes

BU9794AKV 数据手册 Data Sheet

技术特性
GradeConsumer
Segment Element200
Duty1/4
Bias1/3, 1/2
Elements of MUX 1:4200
Interface [line serial]3wire
Interface Voltage (Min.)[V]2.5
Interface Voltage (Max.)[V]5.5
LCD Driving WaveformLine/Frame
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]85
应用领域
  • 智能电表
  • Vacuum Cleaner
  • Rice Cooker
  • Bakery Machine
  • MFP (多功能打印机)
  • 血糖检测器
  • Toaster and Griller
  • 汽车音响
  • PPC (Plain Paper Copier)
技术资料下载
产品特点
  • 1/4duty driving: Max 200 segments
  • Integrated display data RAM: 50 x 4bit
  • 1/3 or 1/2 bias setting selectable
  • Power supply for Interface: 2.5V to 5.5V
  • Power supply for LCD: 2.5V to 5.5V
  • Integrated LCD voltage driving circuit
  • Integrated oscillation circuit for LCD frame frequency
  • Line or Frame inversion driving selectable
  • Support 3 wire serial interface
  • Support INHb terminal to control Display ON/OFF
  • Integrated power on reset circuit
  • No external components required
  • Low power consumption design
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