BU91R63CH-M中文资料车载COG用低Duty LCD段码驱动器数据手册ROHM规格书

描述 Description

BU91R63CH-M3BW是1/4、1/3、1/2占空比、支持Static的COG型车载用通用LCD驱动器，最多可显示176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+105℃动作，符合车载应用要求的AEC-Q 100标准。内置显示用RAM，可减轻微控制器负荷，还无需外置部件，实现了低功耗。具备显示用RAM及寄存器的读取功能，可检测因噪声等导致的误动作。使用ITO电阻测量引脚，更方便进行COG贴装不良的管理。内置有EVR功能，可进行LCD对比度的调节。

特性 Features

• 1/4, 1/3, 1/2 duty or static setting selectable.
1/4 duty driving: Max 176 segments
1/3 duty driving: Max 132 segments
1/2 duty driving: Max 88 segments
1/1 duty driving: Max 44 segments
• Integrated display data RAM: 44 x 4bit
• Support wide range of LCD operation voltage from 2.7V to 6.0V, which can support TN LCD and VA LCD display.
• Power supply for Interface: 2.7V to 6.0V
• Integrated LCD voltage driving circuit
• Support Read Register and Display RAM Function
• Support ITO Resistance Measurement
• Integrated oscillation circuit for LCD frame frequency
• Line or Frame inversion driving selectable
• Support 2 wire serial interface
• Integrated EVR function to adjust LCD contrast
• Integrated power on reset circuit
• No external components required
• Low power consumption design
• Support up to +105C operation, AEC-Q100 compliant