車用低Duty LCD區段驅動器 - BU97520AKV-M

BU97520AKV-M是1/4、1/3佔空比車用通用LCD驅動器,最多可顯示276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6個通用/PWM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。支援TTL電平輸入,可直接連接各種電源電壓的MCU。

料號 | BU97520AKV-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
Functional Safety | FS supportive

規格:

Grade

Automotive

Segment Element

276

Duty

1/4, 1/3

Bias

1/3, 1/2

Elements of MUX 1:3

207

Elements of MUX 1:4

276

Interface [line serial]

3wire+KEYOUT

Interface Voltage (Min.)[V]

2.7

Interface Voltage (Max.)[V]

6.0

Power Supply for LCD (Min.)[V]

2.7

Power Supply for LCD (Max.)[V]

6.0

Max GPO [port]

6

Max KEYSCAN [Key]

30

TTL input Support

Yes

LCD Driving Waveform

Line/Frame

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

功能:

  • 1/4 or 1/3 duty setting selectable
    1/4duty driving: Max 276 segments
    1/3duty driving: Max 207 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 LCDand VA LCD display.
  • Integrated LCD voltage driving circuit
  • Integrated oscillation circuit for LCD frame frequency
  • Line or Frame inversion driving selectable
  • Integrated 6ch 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 195Hz, total 8setting
  • 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)
  • Support INHb terminal to control Display ON/OFF
  • Integrated voltage detected type power on reset circuit
  • No external components required
  • Low power consumption design
  • Qualified AEC-Q100 Grade3