TM1622 LCD Driver IC – 256 Points Memory Mapping & Multi-Functional Control for LCD Displays

TM1622 LCD Driver IC – 256 Points Memory Mapping & Multi-Functional Control for LCD Displays

The TM1622 is a specialized LCD driver IC with 256 points of memory mapping and multi-functional control. Its software configuration features make it highly suitable for a wide range of LCD applications, including LCD modules and display subsystems. Communication between the host controller and the TM1622 is simple, requiring only 4 or 5 pins. The chip also includes a power-down command that reduces system power consumption, offering both excellent performance and reliable quality.

Key Features of the TM1622 LCD Driver IC

• Operating Voltage: 2.4V to 5.2V
• Built-in 32kHz RC Oscillator for precise timing and operation
• External 32kHz Frequency Source Input for clock synchronization
• Built-in Time Base Frequency Source ensures consistent operation
• Built-in Buzzer Driver with two selectable output frequencies (2kHz or 4kHz)
• Power-Down Mode to minimize power consumption
• Built-in Time Base Generator and Watchdog Timer (WDT) output
• 32×8-bit Display RAM with 32 segment (SEG) and 8 common (COM) outputs, supporting 1/4 bias
• 4-Wire Serial Interface for simple communication
• VLCD Pin for adjusting the LCD operating voltage
• Three Data Access Modes to accommodate various data handling needs
• Eight Clock Sources for time base/WDT functions
• Data Mode and Command Mode Instructions for flexibility in programming
• Packaging: Available in LQFP44 for efficient integration

Applications of the TM1622 LCD Driver IC

The TM1622 is versatile and can be used across a broad range of applications, including:

• LCD Modules for integration into various display subsystems
• Consumer Electronics such as small appliances, car audio systems, and more
• Industrial Control for instrumentation and other control displays

Why Choose the TM1622 LCD Driver IC?

The TM1622 offers a high-performance solution for controlling LCD displays while being power-efficient. Its simple interface, built-in power-saving features, and customizable display options make it a great choice for both consumer electronics and industrial applications. Whether you are designing complex display systems or simple modules, the TM1622 provides the reliability and flexibility needed for optimal performance.