BU97930MUV
Multifunction LCD Segment Driver
BU97930MUV
Multifunction LCD Segment Driver
ROHM的多功能區段驅動器最適合使用於100 Segment到200 Segment的液晶區段驅動。內建機種顯示用的RAM,除了可減少微處理器的負擔,更可實現將消耗電流及週邊元件抑制到最低限度的節能設計。而且LED驅動器、對應PWM調光功能,不僅豐富了GPO等的附加機能,達到更高等級的面板設計。
Product Detail
規格:
Grade
Consumer
Segment Element
108
Duty
1/4, 1/3, Static
Bias
1/3
Elements of MUX 1:1
27
Elements of MUX 1:3
81
Elements of MUX 1:4
108
Interface [line serial]
3wire
Interface Voltage (Min.)[V]
1.8
Interface Voltage (Max.)[V]
3.6
Power Supply for LCD (Min.) [V]
2.7
Power Supply for LCD (Max.) [V]
5.5
Max GPO [port]
4
LED Driver [port]
1
LCD Driving Waveform
Line/Frame
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
6.0x6.0 (t=1.0)
功能:
- 1/4, 1/3duty or Static setting selectable
1/4duty driving: Max 108 segments
1/3duty driving: Max 81 segments
Static driving: Max 27 segments - 1/3 bias setting
- Power supply for Interface: 1.8V to 3.6V
- Power supply for LCD: 2.7V to 5.5V
- 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)
- Integrated 1ch LED driver able to support 256 step PWM illumination
- Support individual blink function with dedicated blink RAM integrated
- Support 3 wire serial interface
- Support INHb terminal to control Display ON/OFF
- Integrated voltage detected type power on reset circuit
- No external components required
- Low power consumption design
- Small QFN package