车载用低Duty LCD段码驱动器_BU97550KV-M


BU97550KV-ME2 供应中 VQFP80 1000 1000 Taping Yes
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] 6.0
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
    • 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
PART NUMBER Product Name Package Datasheet Distribution Inventory
BU97601FV-M Low Duty LCD Segment Drivers for Automotive applications SSOP-B40   购买
BU91795MUF-M Low Duty LCD Segment Drivers for Automotive applications VQFN24FV4040   购买
BU91796FS-M Low Duty LCD Segment Drivers for Automotive applications SSOP-A32   购买
BU91797FUV-M Low Duty LCD Segment Drivers for Automotive applications TSSOP-C48V   购买
BU91R63CH-M3BW 车载COG用低Duty LCD段码驱动器 Au BUMP chip   咨询
BU91797MUF-M 车载用低Duty LCD段码驱动器 VQFN48FV7070   购买
New Products:
Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.