BU9795AKV-E2, LCD Driver 140-Segments, 2.5 → 5.5 V, 48-Pin VQFP

  • RS Stock No. 171-4095
  • Mfr. Part No. BU9795AKV-E2
  • Manufacturer ROHM
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

BU9795AKV is a 1/4 duty general-purpose LCD driver that can be used for consumer / battery operated products and 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.

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
MFP(Multi Function Printer)
Smart Meter
Car Audio
Rice Cooker
Vacuum Cleaner
Bakery Machine
Toaster and Griller
PPC (Plain Paper Copier)
Blood Glucose Meter

Attribute Value
Number of Segments 140
Maximum Clock Frequency 768Hz
Maximum Supply Current 1 μA
Mounting Type Surface Mount
Package Type VQFP
Pin Count 48
Typical Operating Supply Voltage 2.5 → 5.5 V
Dimensions 7 x 7 x 1.4mm
Height 1.4mm
Width 7mm
Length 7mm
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Temporarily out of stock - back order for despatch 21/08/2020, delivery within 3 working days from despatch date
Price Each (On a Reel of 1500)
SGD 3.36
(exc. GST)
SGD 3.60
(inc. GST)
Per unit
Per Reel*
1500 +
*price indicative
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