BU91R64CH-M
车载COG用低Duty LCD段码驱动器
BU91R64CH-M
BU91R64CH-M
车载COG用低Duty LCD段码驱动器
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。而且，具备显示数据及指令寄存器读取功能，可检测出因噪声导致的误动作。除此之外，还支持MCU通信校验和、玻璃破碎、逻辑电路状态、SEG/COM端子拨动动作的异常检测。使用ITO电阻测量端子，更方便进行COG贴装不良的管理。还支持+105℃动作，符合车载应用要求的AEC-Q 100标准。
主要规格
功能安全:
类别 : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.
特性：
Grade
Automotive
Segment Element
320
Duty
1/4, 1/3, 1/2, Static
Bias
1/3, 1/2
Elements of MUX 1:1
80
Elements of MUX 1:2
160
Elements of MUX 1:3
240
Elements of MUX 1:4
480
Interface [line serial]
2wire / 3wire
Interface Voltage (Min.)[V]
2.7
Interface Voltage (Max.)[V]
6
Power Supply for LCD (Min.) [V]
2.7
Power Supply for LCD (Max.) [V]
6
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Common Standard
AEC-Q100 (Automotive Grade)
特点：
- AEC-Q100 Compliant
- 1/4, 1/3, 1/2 Duty or Static Drive Selectable
1/4 Duty Drive: Max 320 Segments
1/3 Duty Drive: Max 240 Segments
1/2 Duty Drive: Max 160 Segments
Static Drive: Max 80 Segments - Integrated Buffer AMP for LCD Driving
- Integrated Oscillator Circuit for LCD frame frequency
- Support External Clock Input
- Integrated EVR Function to Adjust LCD Contrast
- Integrated Power On Reset Circuit
- No External Components
- Low Power Consumption Design
- Support INHb terminal to control Display ON/OFF
- Configurable COM Driving Order
- Support Max 4 Drivers Cascade Connection (BU91R64 / R65 / R66CH-M3BW Available)
- Support Register and Display Data Read-back Function
- Support LCD Contact Resistance Measurement
- Support Error Detection and Status Read Function
Glass Breaking Detection
Interface Checksum
Logic Error Detection
SEG / COM Toggle Detection
