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. 770-9420
Mfr. Part No.AY0438/P
BrandMicrochip
R 58.445
Each (In a Pack of 2)
units
4 32 1.5MHz 60 μA Through Hole PDIP 40 3 to 8.5 V 2.095 x 0.58 x 0.195in 4.95mm 0.58in 53.21mm +70 °C 0 °C
RS stock no. 178-4837
Mfr. Part No.AY0438/P
BrandMicrochip
R 49.016
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. 819-5257
Mfr. Part No.AY0438-I/P
BrandMicrochip
R 52.129
Each (In a Tube of 10)
units
4 32 1.5MHz 60 μA Through Hole PDIP 40 3 to 8.5 V 2.07 x 0.557 x 0.205in 5.21mm 0.557in 52.58mm +85 °C -40 °C
RS stock no. 819-5250
Mfr. Part No.AY0438T-I/L
BrandMicrochip
R 62.602
Each (On a Reel of 500)
units
4 32 1.5MHz 60 μA Surface Mount PLCC 44 3 to 8.5 V 0.656 x 0.656 x 0.158in 4.01mm 0.656in 16.66mm +85 °C -40 °C
RS stock no. 178-4868
Mfr. Part No.AY0438-I/L
BrandMicrochip
R 67.768
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. 770-9439
Mfr. Part No.AY0438-I/L
BrandMicrochip
R 74.03
Each
units
4 32 1.5MHz 60 μA Surface Mount PLCC 44 3 to 8.5 V 0.656 x 0.656 x 0.083in 2.11mm 0.656in 16.66mm +85 °C -40 °C
RS stock no. 761-6769
Mfr. Part No.MM5452N/NOPB
R 132.78
Each
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. 162-8406
Mfr. Part No.TPS65150PWP
R 35.894
Each (In a Tube of 60)
units
- - 1.38MHz - Surface Mount HTSSOP 24 1.8 → 6 V 7.9 x 4.5 x 1.05mm 1.05mm 4.5mm 7.9mm +85 °C -40 °C
RS stock no. 818-4907
Mfr. Part No.TPS65150PWP
R 41.602
Each (In a Pack of 5)
units
- - 1.38MHz - Surface Mount HTSSOP 24 1.8 → 6 V 7.9 x 4.5 x 1.05mm 1.05mm 4.5mm 7.9mm +85 °C -40 °C
RS stock no. 922-2300
Mfr. Part No.MM5452N/NOPB
R 127.568
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. 165-9125
Mfr. Part No.MAX749CSA+
R 77.963
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. 185-0968
Mfr. Part No.BU9799KV-E2
BrandROHM
R 16.029
Each (In a Pack of 10)
units
- 200 104Hz 20 μA Surface Mount VQFP 64 2.5 → 5.5 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C
New
RS stock no. 190-4908
Mfr. Part No.ICM7211AMIQH+D
R 81.046
Each (In a Tube of 28)
units
4 7 19kHz 50 μA Surface Mount PLCC 44 5 V 16.66 x 16.66 x 1.53mm 1.53mm 16.66mm 16.66mm +85 °C -20 °C
RS stock no. 168-9921
Mfr. Part No.CP2402-GM
R 33.361
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. 185-0965
Mfr. Part No.BU9799KV-E2
BrandROHM
R 8.806
Each (On a Reel of 1000)
units
- 200 104Hz 20 μA Surface Mount VQFP 64 2.5 → 5.5 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C
RS stock no. 171-4096
Mfr. Part No.BU9796AFS-E2
BrandROHM
R 21.613
Each (On a Reel of 2000)
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. 819-5248
Mfr. Part No.AY0438/L
BrandMicrochip
R 64.558
Each (In a Tube of 27)
units
4 32 1.5MHz 60 μA Surface Mount PLCC 44 3 to 8.5 V 0.656 x 0.656 x 0.158in 4.01mm 0.656in 16.66mm +70 °C 0 °C
RS stock no. 622-7734
Mfr. Part No.MAX749CSA+
R 106.81
Each
units
- - - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 4mm 5mm +70 °C 0 °C
New
RS stock no. 190-5936
Mfr. Part No.ICM7224IPL+
R 218.50
Each
units
4-1/2 - 19kHz 50 μA Through Hole PDIP 40 5 V 52.71 x 14.61 x 4.45mm 4.45mm 14.61mm 52.71mm +85 °C -20 °C
RS stock no. 171-4099
Mfr. Part No.BU97510CKV-ME2
BrandROHM
R 42.798
Each (In a Pack of 5)
units
- 216 600kHz 5 μA Surface Mount VQFP 64 2.7 → 6 V 10 x 10 x 1.4mm 1.4mm 10mm 10mm +85 °C -40 °C