LC75814VS-TLM-E

Product Overview

Category: Integrated Circuit (IC)

Use: The LC75814VS-TLM-E is a versatile IC primarily used for controlling and driving liquid crystal displays (LCDs). It provides an efficient solution for various display applications, including automotive dashboards, industrial control panels, and consumer electronics.

Characteristics: - High integration: The LC75814VS-TLM-E combines multiple functions required for LCD control, reducing the need for external components. - Low power consumption: Designed to operate with minimal power, making it suitable for battery-powered devices. - Wide operating voltage range: Supports a wide range of input voltages, enhancing compatibility with different systems. - Flexible display capabilities: Enables the control of both segment and common outputs, allowing for the creation of diverse visual elements on the LCD.

Package: The LC75814VS-TLM-E is available in a compact surface-mount package, ensuring easy integration into electronic circuits.

Essence: This IC serves as a crucial component in LCD-based display systems, enabling precise control and manipulation of visual information.

Packaging/Quantity: The LC75814VS-TLM-E is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Display Segments: 80
• Maximum Common Outputs: 16
• Communication Interface: Serial (I2C)
• Package Type: SSOP-B24

Detailed Pin Configuration

The LC75814VS-TLM-E features a total of 24 pins, each serving a specific function. The pin configuration is as follows:

1. VDD: Power supply voltage
2. VSS: Ground
3. SDA: Serial data input/output pin
4. SCL: Serial clock input pin
5. RESET: Reset input pin
6. CS1: Chip select 1 input pin
7. CS2: Chip select 2 input pin
8. CS3: Chip select 3 input pin
9. CS4: Chip select 4 input pin
10. CS5: Chip select 5 input pin
11. CS6: Chip select 6 input pin
12. CS7: Chip select 7 input pin
13. CS8: Chip select 8 input pin
14. CS9: Chip select 9 input pin
15. CS10: Chip select 10 input pin
16. CS11: Chip select 11 input pin
17. CS12: Chip select 12 input pin
18. CS13: Chip select 13 input pin
19. CS14: Chip select 14 input pin
20. CS15: Chip select 15 input pin
21. CS16: Chip select 16 input pin
22. COM0: Common output 0
23. COM1: Common output 1
24. VDD: Power supply voltage

Functional Features

The LC75814VS-TLM-E offers several functional features that enhance its usability and performance:

• Segment Control: The IC allows precise control of individual LCD segments, enabling the creation of custom display patterns.
• Multiplexing: Supports multiplexing of common outputs, reducing the number of required pins and simplifying circuit design.
• Built-in Oscillator: Includes an internal oscillator for generating the necessary timing signals, eliminating the need for external components.
• Display Data RAM: Features an integrated display data RAM, allowing for easy storage and retrieval of display information.

Advantages and Disadvantages

Advantages: - High integration reduces the need for additional components, saving space and cost. - Wide operating voltage range enhances compatibility with various systems. - Low power consumption makes it suitable for battery-powered devices. - Flexible display capabilities enable versatile visual designs.

Disadvantages: - Limited maximum display segments and common outputs may restrict certain complex display requirements. - Serial communication interface (I2C) might have slower data transfer rates compared to parallel interfaces.

Working Principles

The LC75814VS-TLM-E operates by receiving control signals through its input pins, which are then processed to generate the necessary output signals for driving LCDs. It utilizes an internal oscillator to generate timing signals required for multiplexing and segment control. The IC communicates with external microcontrollers or host systems through the serial interface (I2C), allowing for easy integration into larger electronic systems.

Detailed Application Field Plans

The LC75814VS-TLM-E finds applications in various fields, including:

1. Automotive Displays: Used in automotive dashboards to control and drive LCDs for speedometers, fuel gauges, and other vehicle information displays.
2. Industrial Control Panels: Employed in industrial control panels to provide clear and precise visual feedback for