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车载用低Duty LCD段码驱动器_BU97550KV-M

BU97550KV-M是1/8、1/7、1/5、1/4、1/3占空比、Static车载用通用LCD驱动器,最多可显示528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。最多可控制9个通用/WM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
BU97550KV-ME2 供应中 VQFP80 1000 1000 Taping Yes
 
特性:
Grade Automotive
Segment Element 528
Duty 1/8, 1/7, 1/5, 1/4, 1/3, Static
Bias 1/3, 1/2
Elements of MUX 1:1 70
Elements of MUX 1:3 210
Elements of MUX 1:4 280
Elements of MUX 1:5 345
Elements of MUX 1:8 528
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 Support Yes
LCD Driving Waveform Line/Frame
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
    • 1/8, 1/7, 1/5, 1/4, 1/3duty or Static setting selectable
      1/8duty driving: Max 528 segments
      1/7duty driving: Max 469 segments
      1/5duty driving: Max 345 segments
      1/4duty driving: Max 280 segments
      1/3duty driving: Max 210 segments
      Static driving: Max 70 segments
    • 1/4, 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
    • Qualified AEC-Q100 Grade3
 
 
技术信息
Application Note

Thermal Resistance