LCD Drivers

How does LCD (Liquid Crystal Display) driver work?

LCD is an array of liquid crystal segments. When not in an electrical field, crystals are organized in a random pattern, however, once the electric field is applied, the crystals align to the field. For driving a light through the aligned crystal field a light source is needed.

Passive and Active LCD Displays, what is the difference?

Passive LCD panels or STN LCDs consists of a grid of row and columns electrical signals. There is no charge stored at the segment and it may take multiple passes to correctly align the field to the desired value.

Active LCD drivers or TFT displays columns and rows are multiplexed to many different segments. The charge is stored at the transistor. One pass will set the aligned state of the transistor. A stronger backlight is needed than for a passive display.

Advantages of LCD displays
• LCD displays produce bright images because of their high peak intensity and they are suitable for environments that are brightly lit
• The durability of 50 thousand - 100 thousand hours
• Almost every industry uses them: military, consumer, medical, automotive, industrial and marine

Before you choose an LCD Driver, consider the requirements of your application and which types of displays are available to buy. With the right selection, RS Components can help to create the perfect LCD display module for your product.

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Description Price Number of Digits Number of Segments Maximum Clock Frequency Maximum Supply Current Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Height Width Length Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 168-9921
Mfr. Part No.CP2402-GM
TWD67
Each (In a Tube of 73)
units
- 64 25MHz 0.79 mA Surface Mount TQFN 32 3.3 V 5 x 5 x 1.05mm 1.05mm 5mm 5mm +85 °C -40 °C
RS Stock No. 757-5028
Mfr. Part No.CP2402-GM
TWD43
Each (In a Pack of 2)
units
- 64 25MHz 0.79 mA Surface Mount TQFN 32 3.3 V 5 x 5 x 1.05mm 1.05mm 5mm 5mm +85 °C -40 °C
RS Stock No. 121-9919
Mfr. Part No.LC75806PT-H
TWD129
Each (In a Tray of 450)
units
- 304 - 2.8 mA Surface Mount TQFP 100 4.5 → 6 V 14 x 14 x 1mm 1mm 14mm 14mm +85 °C -40 °C
RS Stock No. 805-1292
Mfr. Part No.LC75812PTS-8565-H
TWD188
Each
units
13 65 - 1 mA Surface Mount TQFP 100 2.7 → 3.6 V 14 x 14 x 1mm 1mm 14mm 14mm +85 °C -40 °C
RS Stock No. 752-7341
Mfr. Part No.BU9795AGUW-E2
BrandROHM
TWD1,654
Each
units
- 31 104Hz - Surface Mount VBGA 48 3.3 V, 5 V 4 x 4 x 0.9mm 0.9mm 4mm 4mm +85 °C -40 °C
RS Stock No. 162-8877
Mfr. Part No.LC75812PTS-8565-H
TWD181
Each (In a Tray of 450)
units
13 65 - 1 mA Surface Mount TQFP 100 2.7 → 3.6 V 14 x 14 x 1mm 1mm 14mm 14mm +85 °C -40 °C
RS Stock No. 922-2300
Mfr. Part No.MM5452N/NOPB
TWD214
Each (In a Tube of 9)
units
4.5 32 1MHz 0.04 mA Through Hole PDIP 40 3 → 10 V 52.58 x 14.73 x 5.334mm 5.334mm 14.73mm 52.58mm +85 °C -40 °C
RS Stock No. 145-1297
Mfr. Part No.MM5452V/NOPB
TWD188
Each (In a Tube of 25)
units
4.5 32 1MHz 40 μA Surface Mount PLCC 44 3 → 10 V 16.66 x 16.66 x 4.06mm 4.06mm 16.66mm 16.66mm +85 °C -40 °C
RS Stock No. 165-9125
Mfr. Part No.MAX749CSA+
BrandMaxim
TWD218
Each (In a Tube of 100)
units
- - - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 4mm 5mm +70 °C 0 °C
RS Stock No. 812-2486
Mfr. Part No.MM5452V/NOPB
TWD232
Each (In a Pack of 5)
units
4.5 32 1MHz 40 μA Surface Mount PLCC 44 3 → 10 V 16.66 x 16.66 x 4.06mm 4.06mm 16.66mm 16.66mm +85 °C -40 °C
RS Stock No. 171-4116
Mfr. Part No.BU9796AMUV-E2
BrandROHM
TWD27
Each (In a Pack of 5)
units
- 48 768Hz 1 μA Surface Mount VQFN 24 2.5 → 5.5 V 4 x 4 x 1mm 1mm 4mm 4mm +85 °C -40 °C
New
RS Stock No. 178-4868
Mfr. Part No.AY0438-I/L
BrandMicrochip
TWD302
Each (In a Tube of 27)
units
4 32 1.5MHz 60 μA Surface Mount PLCC 44 3 → 8.5 V 0.656 x 0.656 x 0.083in 2.11mm 0.656in 16.66mm +85 °C -40 °C
RS Stock No. 622-7734
Mfr. Part No.MAX749CSA+
BrandMaxim
TWD263
Each
units
- - - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 4mm 5mm +70 °C 0 °C
RS Stock No. 805-1299
Mfr. Part No.LC75890W-2H
TWD77
Each (In a Pack of 5)
units
- 148 - 270 μA Surface Mount SQFP 48 2.7 → 3.6 V 7 x 7 x 1.5mm 1.5mm 7mm 7mm +85 °C -40 °C
RS Stock No. 171-4097
Mfr. Part No.BU9796AMUV-E2
BrandROHM
TWD17
Each (On a Reel of 2500)
units
- 48 768Hz 1 μA Surface Mount VQFN 24 2.5 → 5.5 V 4 x 4 x 1mm 1mm 4mm 4mm +85 °C -40 °C
RS Stock No. 171-4112
Mfr. Part No.BU9796AFS-E2
BrandROHM
TWD33
Each (In a Pack of 5)
units
- 80 768Hz 1 μA Surface Mount SSOP 32 2.5 → 5.5 V 13.6 x 5.4 x 1.8mm 1.8mm 5.4mm 13.6mm +85 °C -40 °C
RS Stock No. 121-9920
Mfr. Part No.LC75890W-2H
TWD67
Each (In a Tray of 1250)
units
- 148 - 270 μA Surface Mount SQFP 48 2.7 → 3.6 V 7 x 7 x 1.5mm 1.5mm 7mm 7mm +85 °C -40 °C
RS Stock No. 162-7184
Mfr. Part No.TPS65124RGTT
TWD93
Each (On a Reel of 250)
units
- - - - Surface Mount QFN 16 3.3 V, 5 V 3 x 3 x 0.9mm 0.9mm 3mm 3mm +85 °C -40 °C
New
RS Stock No. 178-4837
Mfr. Part No.AY0438/P
BrandMicrochip
TWD210
Each (In a Tube of 10)
units
4 32 1.5MHz 60 μA Through Hole PDIP 40 3 → 8.5 V 2.095 x 0.58 x 0.195in 4.95mm 0.58in 53.21mm +70 °C 0 °C
RS Stock No. 121-9918
Mfr. Part No.LC75812PTH-8565-H
TWD136
Each (In a Tray of 450)
units
13 65 - 1 mA Surface Mount TQFP 100 2.7 → 3.6 V 14 x 14 x 1mm 1mm 14mm 14mm +85 °C -40 °C