BU97550KV-M
車用低Duty LCD區段驅動器

BU97550KV-M是1/8、1/7、1/5、1/4、1/3佔空比、Static車用通用LCD驅動器，最多可顯示528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。最多可控制9個通用／WM輸出，通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。內建有EVR功能，可進行LCD對比度的調節，還支援TTL電平輸入，因此能直接連接各種電源電壓的MCU。

Data Sheet 購買
Data Sheet 購買

Product Detail

 
料號 | BU97550KV-ME2
狀態 | 推薦品
封裝 | VQFP80
單位數量 | 1000
最小包裝數量 | 1000
包裝形式 | Taping
RoHS | Yes

功能安全:

類別 : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.
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規格:

Grade

Automotive

Segment Element

528

Duty

1/8, 1/7, 1/5, 1/4, 1/3, Static

Bias

1/4, 1/3, 1/2

Elements of MUX 1:1

70

Elements of MUX 1:3

210

Elements of MUX 1:4

280

Elements of MUX 1:5

345

Elements of MUX 1:8

528

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]

85

Package Size [mm]

14x14 (t=1.6)

Common Standard

AEC-Q100 (Automotive Grade)

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功能:

  • 1/8, 1/7, 1/5, 1/4, 1/3duty or Static setting selectable
    1/8duty driving: Max 528 segments
    1/7duty driving: Max 469 segments
    1/5duty driving: Max 345 segments
    1/4duty driving: Max 280 segments
    1/3duty driving: Max 210 segments
    Static driving: Max 70 segments
  • 1/4, 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 9ch general purpose outputs/ PWM outputs (SEG selectable)
  • Support 256 step PWM function to realize backlight/ button LED illumination
  • Support LCD frame frequency from 49Hz to 391Hz, total 16setting
  • Support PWM frequency from 146Hz to 2.34KHz, total 16setting
  • Support 3 wire serial interface + KEYOUT
  • Support TTL level input to connect 3.3V MCU directly
  • Support Max 30 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
  • Qualified AEC-Q100 Grade3
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