BU97501KV
低Duty LCD區段驅動器
BU97501KV
BU97501KV
低Duty LCD區段驅動器
BU97501KV是1/4、1/3佔空比的車用通用LCD驅動器,最多可顯示204段的LCD,適用於消費電子和電池驅動裝置的LCD顯示。
最多可控制4個通用輸出,實現LED元件等的點亮。還內建最多30鍵的鍵盤掃描功能,可實現PCB上的配線削減和MCU的尺寸縮減和成本削減。
Product Detail
規格:
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)
功能:
- 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