BU91600FUV-M
车载用低Duty LCD段码驱动器
BU91600FUV-M
车载用低Duty LCD段码驱动器
BU91600FV-M是1/4、1/3、1/2占空比、Static车载用通用LCD驱动器，最多可显示148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-Q100 Grade2标准。最多可控制16个通用输出和6个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20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。
主要规格
功能安全:
特性：
Grade
Automotive
Segment Element
148
Duty
1/4, 1/3, 1/2, Static
Bias
1/3, 1/2
Elements of MUX 1:1
37
Elements of MUX 1:2
74
Elements of MUX 1:3
111
Elements of MUX 1:4
148
Interface [line serial]
3wire+KEYOUT
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
Max GPO [port]
16
Max KEYSCAN [Key]
20
TTL input Support
Yes
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
12.5x8.1 (t=1)
Common Standard
AEC-Q100 (Automotive Grade)
特点：
- 1/4, 1/3, 1/2duty or Static setting selectable
1/4duty: Max 148 segments,
1/3duty: Max 111 segments
1/2duty: Max 74 segments,
Static: Max 37 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 16ch general purpose outputs (SEG selectable)
- Integrated 6ch PWM outputs (SEG selectable)
- Support 256 step PWM function to realize backlight/ button LED illumination
- Support LCD frame frequency from 50Hz to 685Hz, total 128setting
- Support PWM frequency from 146Hz to 2.34KHz, total 16setting
- Support external PWM input
- Support 3 wire serial interface + KEYOUT
- Support TTL level input to connect 3.3V MCU directly
- Support Max 20 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℃ operation, qualified AEC-Q100 Grade2
