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TM1628 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TM1628TM300Yes

TM1628 is an LED driver control IC with a keyboard scan interface, commonly used in applications requiring LED display and keypad input.

The TM1628 is an LED driver control IC with a keyboard scan interface, commonly used in applications requiring LED display and keypad input.

Manufacturer:

  • TM Microelectronics

Specifications:

  • Supply Voltage: 3.3V – 5.5V
  • LED Drive Outputs: 8 segments × 16 grids (128 LEDs max)
  • Key Scan Inputs: 8 × 3 matrix (supports up to 24 keys)
  • Communication Interface: Serial interface (CLK, STB, DIO)
  • Display Control: Adjustable brightness (8 levels)
  • Operating Temperature: -40°C to +85°C
  • Package Options: SOP28, DIP28

Descriptions:

  • The TM1628 integrates LED driving and key scanning in a single chip, reducing external components.
  • It supports cascading for larger display applications.
  • Includes built-in memory for display data storage.

Features:

  • LED Driver: Supports common-cathode LED displays.
  • Key Scan: Built-in debounce circuit for stable key detection.
  • Low Power Consumption: Suitable for battery-powered devices.
  • Flexible Control: Adjustable display brightness and scan modes.
  • Wide Compatibility: Works with 3.3V and 5V systems.

This IC is widely used in industrial control panels, home appliances, and consumer electronics for display and input functions.

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