What are the key features of the TM1646?

Key features include an 18x8 dot matrix drive capability, 8-level brightness control via duty cycle, a 2-wire serial interface (SCLK, DIN), internal RC oscillation, and built-in open-circuit detection.

What should engineers consider when using the TM1646?

Engineers should ensure the display registers are cleared (written to 0x00) upon power-up to prevent random display artifacts. Additionally, the device uses a specific scanning method that requires careful PCB layout for the LED matrix.

What is the pinout of TM1646-QSOP24?

Use the TM1646-QSOP24 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about TM1646-QSOP24 pinout to locate pins, power rails, and interface signals before layout.

TM1646-QSOP24 Datasheet, Specs, Alternatives & ECAD | TM(Shenzhen Titan Micro Elec)

AI summary

The TM1646 is a specialized 18x8 LED display driver with a 2-wire serial interface, suitable for consumer and appliance display applications.

Best for

LED matrix displays
Home appliance user interfaces
Consumer electronics

Avoid if

Applications requiring high-speed communication beyond 1 MHz
Systems where external oscillator precision is critical

Check before use

Initialization sequence
LED matrix scanning configuration

Key specifications

Display Matrix: 18x8
Interface: 2-Wire Serial
Supply Voltage: 3.0V - 5.5V
Brightness Levels: 8

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Consumer ElectronicsHome Appliances

Datasheet

b5ed3f8212fdfa17433c3bc43688ee58_2406271508_TM-Shenzhen-Titan-Micro-Elec-TM1646-QSOP24_C22767314.pdf

800 KB

Datasheet AI

CAD Models

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PCB Footprint

Land pattern for PCB layout

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3D Model

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KiCad Library

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The TM1646 is a dedicated LED driver IC designed to control LED displays. It integrates an MCU interface, data latches, and high-voltage drivers to manage up to 18x8 LED segments.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the TM1646?+×

What are the key features of the TM1646?+×

What should engineers consider when using the TM1646?+×

What is the pinout of TM1646-QSOP24?+×