Multifunction LCD Segment Driver BU97931FV

ROHM的多机能SEG驱动器最适合于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。

型号Status封装包装数量最小独立包装数量包装形态RoHS
BU97931FV-E2供应中SSOP-B4020002000TapingYes

BU97931FV 数据手册 Data Sheet

技术特性
GradeConsumer
Segment Element112
Duty1/4, 1/3, Static
Bias1/3, 1/2
Elements of MUX 1:128
Elements of MUX 1:384
Elements of MUX 1:4112
Interface [line serial]3wire
Interface Voltage (Min.)[V]1.8
Interface Voltage (Max.)[V]3.6
Max GPO [port]5
LED Driver [port]1
LCD Driving WaveformLine/Frame
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]85
应用领域
  • Vacuum Cleaner
  • Rice Cooker
  • Bakery Machine
  • MFP (多功能打印机)
  • Toaster and Griller
  • 汽车音响
  • LED 照明
  • PPC (Plain Paper Copier)
技术资料下载
产品特点
  • 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 or 1/2 bias setting selectable
  • 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
相关产品
PART NUMBERProduct SeriesDatasheet
BU9795BGUWLCD段码式驱动器系列Datasheet
BU91R63CH-M3BWLCD段码式驱动器系列Datasheet
BU91797MUF-MLCD段码式驱动器系列Datasheet
BU91796MUF-MLCD段码式驱动器系列Datasheet
BU91799KV-MLCD段码式驱动器系列Datasheet
BU91600FV-MLCD段码式驱动器系列Datasheet
BU97931FV BU97931FV
BU9795BGUW BU9795BGUW
BU91R63CH-M3BW BU91R63CH-M3BW
BU91797MUF-M BU91797MUF-M
BU91796MUF-M BU91796MUF-M
BU91799KV-M BU91799KV-M
BU91600FUV-M BU91600FUV-M
Application Note BA12004BF
Package Information BD9536FV
Reliability Information BU97931FV
Package Information BU4584BFV
Part Explanation BA12004BF