LC75839PWS-H

Product Overview

Category: Integrated Circuit (IC)

Use: The LC75839PWS-H is a versatile IC primarily used for driving liquid crystal displays (LCDs). It provides a convenient solution for controlling and displaying information on LCD panels.

Characteristics: - High compatibility with various LCD types - Low power consumption - Wide operating voltage range - Compact package size - Easy integration into existing systems

Package: The LC75839PWS-H is available in a small-sized surface mount package, making it suitable for space-constrained applications.

Essence: This IC serves as a crucial component in LCD-based devices, enabling the display of text, graphics, and other visual information.

Packaging/Quantity: The LC75839PWS-H is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Display Segments: 80
• Maximum Common Outputs: 16
• Built-in Oscillator Frequency: 262kHz
• Serial Interface: 3-wire or 4-wire SPI

Detailed Pin Configuration

The LC75839PWS-H features a total of 64 pins, each serving a specific function. Here is a detailed pin configuration:

1. VDD: Power supply voltage
2. VSS: Ground
3. OSC: Oscillator input
4. CSB: Chip select input
5. SDA: Serial data input/output
6. SCL: Serial clock input
7. RESET: Reset input
8. V0: LCD contrast adjustment 9-24. SEG1-SEG16: Segment outputs 25-40. COM1-COM16: Common outputs 41-64. NC: No connection

Functional Features

• Versatile display control: The LC75839PWS-H supports a wide range of LCD types, including segment displays and dot matrix displays.
• Multiplexing capability: It allows for efficient utilization of display resources by multiplexing the segments and commons.
• Built-in oscillator: The integrated oscillator simplifies the external circuitry required for driving the LCD.
• Serial interface: The IC can be easily controlled using a 3-wire or 4-wire SPI interface, enabling seamless integration with microcontrollers or other control systems.

Advantages and Disadvantages

Advantages: - High compatibility with various LCD types - Low power consumption - Compact package size - Easy integration into existing systems - Simplified external circuitry due to built-in oscillator

Disadvantages: - Limited maximum display segments and common outputs - Requires additional external components for contrast adjustment

Working Principles

The LC75839PWS-H operates by receiving control signals through the serial interface (SDA, SCL) and generating appropriate output signals for driving the LCD segments and commons. It utilizes multiplexing techniques to efficiently control a large number of display elements while minimizing the number of required pins.

Detailed Application Field Plans

The LC75839PWS-H finds applications in various electronic devices that utilize LCDs for information display. Some potential application fields include: - Automotive instrument clusters - Home appliances (e.g., microwave ovens, washing machines) - Industrial equipment (e.g., control panels, measurement devices) - Consumer electronics (e.g., audio systems, digital cameras)

Detailed and Complete Alternative Models

• LC75829PWS-H: Similar to LC75839PWS-H but with a lower maximum display segment count (64 segments).
• LC75849PWS-H: Similar to LC75839PWS-H but with a higher maximum display segment count (128 segments).
• LC75859PWS-H: Similar to LC75839PWS-H but with additional features for advanced LCD control.

Note: The above alternative models are provided as examples and may not cover all available alternatives in the market.

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