BU97931FV-E2, LCD Driver 112-Segments, 1.8 → 3.6 V, 2.7 → 5.5 (LCD) V, 40-Pin SSOP

  • RS Stock No. 185-1036
  • Mfr. Part No. BU97931FV-E2
  • Manufacturer ROHM
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): JP
Product Details

BU97931FV is a 1/4, 1/3duty or Static general-purpose LCD driver that can be used for consumer / battery operated products and can drive up to 112 LCD Segments. 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 up to 5 general-purpose outputs to control LED devices and can control 1ch LED driver that able to support LED PWM illumination.

1/4, 1/3duty or Static setting selectable
1/4duty driving: Max 112 segments
1/3duty driving: Max 84 segments
Static driving: Max 28 segments
1/3 bias setting
Power supply for Interface: 1.8V to 3.6V
Power supply for LCD: 2.7V to 5.5V
Integrated LCD voltage driving circuit
Integrated oscillation circuit for LCD frame frequency
Line or Frame inversion driving selectable
Integrated 5ch general purpose outputs (SEG selectable)
Integrated 1ch LED driver able to support 256 step PWM illumination
Support individual blink function with dedicated blink RAM integrated
Support 3 wire serial interface
Integrated voltage detected type power on reset circuit
No external components required
Low power consumption design

Attribute Value
Number of Segments 112
Maximum Supply Current 48 μA
Mounting Type Surface Mount
Package Type SSOP
Pin Count 40
Typical Operating Supply Voltage 1.8 → 3.6 V, 2.7 → 5.5 (LCD) V
Dimensions 13.6 x 5.4 x 1.8mm
Height 1.8mm
Width 5.4mm
Length 13.6mm
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
15 In stock for delivery within 4 working days
Price (VAT excluded) Each (In a Pack of 5)
TWD 116.60
(exc. GST)
TWD 122.40
(inc. GST)
Per unit
Per Pack*
5 - 20
25 - 45
50 - 245
250 +
*price indicative