BU91600FUV-M
車電用低Duty LCD段碼驅動器
BU91600FUV-M
車電用低Duty LCD段碼驅動器
BU91600FV-M是1/4、1/3、1/2占空比、Static車電用通用LCD驅動器，最多可顯示148段LCD。本產品支援高液晶電壓驅動及高幀頻率驅動，也可驅動高顯示精度的VA液晶。還支持+105℃動作，符合車電應用要求的AEC-Q100 Grade2標準。最多可控制16個通用輸出和6個PWM輸出，透過豐富的頻率設定功能，無需頻閃即可實現LED背光和LED按鈕的照明。還內建最多20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。內建有EVR功能，可進行LCD對比度的調節，還支持TTL電平輸入，因此能直接連接各種電源電壓的MCU。
Product Detail
功能安全:
規格:
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)
功能:
- 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
