BU91530KVT-M
车载用低Duty LCD段码驱动器
BU91530KVT-M
车载用低Duty LCD段码驱动器
BU91530KVT-M是1/5、1/4、1/3占空比、Static车载用通用LCD驱动器，最多可显示445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+105C动作，最多可控制9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。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
445
Duty
1/5, 1/4, 1/3, Static
Bias
1/3, 1/2
Elements of MUX 1:1
90
Elements of MUX 1:3
270
Elements of MUX 1:4
360
Elements of MUX 1:5
445
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]
9
Max KEYSCAN [Key]
30
TTL input Support
Yes
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
16x16 (t=1.2)
Common Standard
AEC-Q100 (Automotive Grade)
特点：
- AEC-Q100 Qualified
- Key input function for up to 30 keys
(A key scan is performed only when a key is pressed.) - Either 1/5, 1/4, 1/3 or 1/1 duty (static)
can be selected with the serial control data.
1/5 duty drive: Up to 445 segments can be driven
1/4 duty drive: Up to 360 segments can be driven
1/3 duty drive: Up to 270 segments can be driven
1/1 duty drive: Up to 90 segments can be driven - Serial Data Control of frame frequency for common
and segment output waveforms. - Serial data control of switching between the segment
output port, PWM output port and general-purpose
output port functions. (Max 9 ports) - Built-in OSC circuit
- Integrated Power-on Reset Circuit
- No external component
- Low power consumption design
- Supports Line and Frame Inversion
