BU9795BKV
Low Duty LCD Segment Drivers

BU9795BKV are a 1/4 Duty General-purpose LCD driver that can be used for consumer / battery operated products.BU9795BKV can drive up to 140 LCD Segments. It has integrated display RAM for reducing CPU load. Also, it is designed with low power consumption and no external component needed.

Data Sheet Buy * Sample *
* This is a standard-grade product.
For Automotive usage, please contact Sales.

Product Detail

 
Part Number | BU9795BKV-E2
Status | Recommended
Package | VQFP48C
Unit Quantity | 1500
Minimum Package Quantity | 1500
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Consumer

Segment Element

140

Duty

1/4

Bias

1/3, 1/2

Elements of MUX 1:4

140

Interface [line serial]

3wire

Interface Voltage (Min.)[V]

2.5

Interface Voltage (Max.)[V]

5.5

LCD Driving Waveform

Line/Frame

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

85

Package Size [mm]

9x9(t=1.6)

Features:

  • 1/4duty driving: Max 140 segments
  • Integrated display data RAM: 35 x 4bit
  • 1/3 or 1/2 bias setting selectable
  • Integrated LCD voltage driving circuit
  • Integrated oscillation circuit for LCD frame frequency
  • Line or Frame inversion driving selectable
  • Support 3 wire serial interface
  • Integrated power on reset circuit
  • No external components required
  • Low power consumption design

Design Resources

 

Technical Articles

Schematic Design & Verification

  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Tools

2D/3D/CAD

  • VQFP48C Footprint / Symbol
  • VQFP48C 3D STEP Data

Packaging & Quality

Manufacturing Data

  • Factory Information

Environmental Data

  • REACH SVHC Non-use Declaration