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Low Duty LCD Segment Drivers for Automotive applications - BU91799KV-M

BU91799KV-M is a 1/4 duty general-purpose LCD driver that can be used for automotive applications and can drive up to 200 LCD Segments.
This product can support VA LCD displays, which has better optical performance with higher LCD voltage driving and higher frame frequency driving.
It can support operating temperature of up to +105℃ and is qualified for AEC-Q100 Grade2, as required for automotive applications.
It has integrated display RAM for reducing CPU load. Also, it is designed with low power consumption and no external component needed.
It can support LCD contrast adjustment by its EVR function.

Part Number | BU91799KV-ME2
Status | Active
Package | VQFP64
Unit Quantity | 1000
Minimum Package Quantity | 1000
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Automotive

Segment Element

200

Duty

1/4

Bias

1/3

Elements of MUX 1:4

200

Interface [line serial]

2wire

Interface Voltage (Min.)[V]

2.5

Interface Voltage (Max.)[V]

6.0

Power Supply for LCD (Min.)[V]

2.5

Power Supply for LCD (Max.)[V]

6.0

LCD Driving Waveform

Line/Frame

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

105

Features:

  • 1/4duty driving: Max 200 segments
  • Integrated display data RAM: 50 x 4bit
  • 1/3 bias setting
  • Support wide range of operation voltage from 2.5V to 6.0V, which can support TN LCD and VA LCD display.
  • Power supply for Interface: 2.5V to 6.0V
  • Power supply for LCD: 2.5V to 6.0V
  • Integrated LCD voltage driving circuit
  • Integrated oscillation circuit for LCD frame frequency
  • Line or Frame inversion driving selectable
  • Support 2 wire serial interface
  • Integrated EVR function to adjust LCD contrast
  • Integrated power on reset circuit
  • No external components required
  • Low power consumption design
  • Support up to +105℃ operation, qualified AEC-Q100 Grade2