BU97520AKV-M数据手册集成电路（IC）的显示驱动器规格书PDF

描述 Description

BU97520AKV-M是1/4、1/3占空比车载用通用LCD驱动器，最多可显示276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6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。支持TTL电平输入，可直接连接各种电源电压的MCU。

特性 Features

• 1/4 or 1/3 duty setting selectable
1/4duty driving: Max 276 segments
1/3duty driving: Max 207 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 LCDand VA LCD display.
• Integrated LCD voltage driving circuit
• Integrated oscillation circuit for LCD frame frequency
• Line or Frame inversion driving selectable
• Integrated 6ch 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 195Hz, total 8setting
• 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)
• Support INHb terminal to control Display ON/OFF
• Integrated voltage detected type power on reset circuit
• No external components required
• Low power consumption design
• Qualified AEC-Q100 Grade3

应用 Application

·汽车导航