Standard LCD Segment Driver - BU9794AKV

ROHM's standard function segment driver is optimal for LCD segment driving from 80 to 280 segments approximately. Integrating RAM for display in IC contributes to reducing CPU load, power consumption and less peripheral equipment, realizing power saving design.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
BU9794AKV-E2 Active VQFP64 1000 1000 Taping sim
Grade Consumer
Segment Element 200
Duty 1/4
Bias 1/3, 1/2
Elements of MUX 1:4 200
Interface [line serial] 3wire
Interface Voltage (Min.)[V] 2.5
Interface Voltage (Max.)[V] 5.5
Power Supply for LCD (Min.)[V] 2.5
Power Supply for LCD (Max.)[V] 5.5
LCD Driving Waveform Line/Frame
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
    • 1/4duty driving: Max 200 segments
    • Integrated display data RAM: 50 x 4bit
    • 1/3 or 1/2 bias setting selectable
    • Power supply for Interface: 2.5V to 5.5V
    • Power supply for LCD: 2.5V to 5.5V
    • Integrated LCD voltage driving circuit
    • Integrated oscillation circuit for LCD frame frequency
    • Line or Frame inversion driving selectable
    • Support 3 wire serial interface
    • Support INHb terminal to control Display ON/OFF
    • Integrated power on reset circuit
    • No external components required
    • Low power consumption design
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Dados técnicos
Application Note

Thermal Resistance