BU97501KV
低Duty LCD段码驱动器
BU97501KV
低Duty LCD段码驱动器
BU97501KV是1/4、1/3占空比的车载通用LCD驱动器，最多可显示204段的LCD，适用于消费电子和电池驱动设备的LCD显示。
最多可控制4个通用输出，实现LED元件等的点亮。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。
主要规格
特性：
Grade
Consumer
Segment Element
204
Duty
1/4, 1/3
Bias
1/3, 1/2
Elements of MUX 1:3
156
Elements of MUX 1:4
204
Interface [line serial]
3wire+KEYOUT
Interface Voltage (Min.)[V]
2.7
Interface Voltage (Max.)[V]
6
Power Supply for LCD (Min.) [V]
4.5
Power Supply for LCD (Max.) [V]
6
Max GPO [port]
4
Max KEYSCAN [Key]
30
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
12x12 (t=1.6)
特点：
- 1/4 or 1/3 duty setting selectable
1/4duty driving: Max 204 segments
1/3duty driving: Max 156 segments - 1/3 or 1/2 bias setting selectable
- Power supply for Interface: 2.7V to 6.0V
- Power supply for LCD: 4.5V to 6.0V
- Integrated LCD voltage driving circuit
- Integrated oscillation circuit for LCD frame frequency
- Line or Frame inversion driving selectable
- Integrated 4ch general purpose outputs
(SEG selectable) - Support 3 wire serial interface + KEYOUT
- Support Max 30 key input detection (SEG selectable)
- Integrated power on reset circuit
- No external components required
- Low power consumption design
