车载用低Duty LCD段码驱动器 BU91530KVT-M

BU91530KVT-M是1/5、1/4、1/3占空比、Static车载用通用LCD驱动器,最多可显示445段LCD。本产品支持高液晶电压驱动及高帧频率驱动,也可驱动高显示精度的VA液晶。还支持+105C动作,最多可控制9个通用/PWM输出,通过丰富的频率设定功能,无需频闪即可实现LED背光和LED按钮的照明。还内置最多30键的键盘扫描功能,可实现PCB上的配线削减和MCU的尺寸缩减和成本削减。内置有EVR功能,可进行LCD对比度的调节,还支持TTL电平输入,因此能直接连接各种电源电压的MCU。

型号Status封装包装数量最小独立包装数量包装形态RoHS
BU91530KVT-ME2供应中TQFP100V500500TapingYes

BU91530KVT-M 数据手册 Data Sheet

技术特性
GradeAutomotive
Segment Element445
Duty1/5, 1/4, 1/3, Static
Bias1/3, 1/2
Elements of MUX 1:190
Elements of MUX 1:3270
Elements of MUX 1:4360
Elements of MUX 1:5445
Interface [line serial]3wire+KEYOUT
Interface Voltage (Min.)[V]2.7
Interface Voltage (Max.)[V]6.0
Max GPO [port]9
Max KEYSCAN [Key]30
TTL input SupportYes
LCD Driving WaveformLine/Frame
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]105
技术资料下载
产品特点
  • 1/5, 1/4, 1/3duty or Static setting selectable
    1/5duty driving: Max 445 segments
    1/4duty driving: Max 360 segments
    1/3duty driving: Max 270 segments
    Static driving: Max 90 segments
  • 1/3 or 1/2 bias setting selectable
  • Support wide range of operation voltage from 2.7V to 6.0V,
    which can support TN LCD and VA LCD display.
  • Integrated LCD voltage driving circuit
  • Integrated oscillation circuit for LCD frame frequency
  • Line or Frame inversion driving selectable
  • Integrated 9ch general purpose outputs/ PWM outputs (SEG selectable)
  • Support 256 step PWM function to realize backlight/ button LED illumination
  • Support LCD frame frequency from 49Hz to 391Hz, total 16setting
  • Support PWM frequency from 146Hz to 2.34KHz, total 16setting
  • Support 3 wire serial interface + KEYOUT
  • Support TTL level input to connect 3.3V MCU directly
  • Support Max 30 key input detection (SEG selectable)
  • Integrated EVR function to adjust LCD contrast
  • Integrated voltage detected type power on reset circuit
  • No external components required
  • Low power consumption design
  • Support up to +105°C operation,
    qualified AEC-Q100 Grade2
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