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TM1640 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TM1640TM46550Yes

TM1640 is a LED driver control chip manufactured by Titan Micro Electronics (TM).

The TM1640 is a LED driver control chip manufactured by Titan Micro Electronics (TM). Below are the factual specifications, descriptions, and features of the TM1640:

Specifications:

  • Supply Voltage: 3.0V – 5.5V
  • Maximum Output Current: 25mA per segment
  • Communication Interface: Serial interface (CLK, DIN)
  • Display Support: Up to 8-segment × 16-digit or 16-segment × 8-digit LED displays
  • Duty Cycle: 1/16
  • Operating Temperature: -40°C to +85°C
  • Package Options: SOP28

Descriptions:

The TM1640 is an LED driver control IC with a keyboard scan interface. It integrates an MCU digital interface, data latch, LED driver, keyboard scan, and brightness adjustment circuits. It is commonly used in LED display panels, instrument panels, and home appliance controls.

Features:

  • LED Drive Capability: Supports 16 segments × 8 digits or 8 segments × 16 digits.
  • Built-in RC Oscillator: No external crystal required.
  • 8-Level Brightness Adjustment: Adjustable via software.
  • Keyboard Scan Function: Supports 8×3 matrix key scanning.
  • Low Power Consumption: Suitable for battery-powered applications.
  • Serial Data Transmission: Uses a two-wire interface (CLK, DIN).
  • Auto Address Increment Mode: Simplifies data writing.

The TM1640 is widely used in applications requiring LED displays with keypad input functionality.

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