What are the key features of the TM1638?

It supports 10-segment x 8-bit display, 8x3 keyboard scanning, 8-level brightness control, and communicates via a 3-wire serial interface.

What should engineers consider when using the TM1638?

Engineers must ensure the DIO line has a 10k ohm pull-up resistor for stable key reading and follow the specific serial timing requirements provided in the datasheet.

What is the operating voltage of the TM1638?

The device operates at 5V +/- 10%.

What should sourcing teams check before buying TM1638?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: low; readiness: easy.

What is the pinout of TM1638?

Use the TM1638 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about TM1638 pinout to locate pins, power rails, and interface signals before layout.

TM1638 Datasheet, Specs, Alternatives & ECAD | Shenzhen Titan Micro Electronics Co., Ltd.

AI summary

The TM1638 is a highly integrated LED driver and keyboard scanner for display-heavy applications.

Best for

Home appliance displays
User interface panels

Avoid if

Applications requiring high-speed data processing
Low-voltage (3.3V) systems without level shifting

Check before use

Serial timing constraints
Pull-up resistor values

Key specifications

Display Capacity: 10 Seg x 8 Grid
Key Matrix: 8 x 3
Interface: 3-Wire Serial
Supply Voltage: 5V

Compliance & Environment

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

Application

Home AppliancesDisplay Panels

Datasheet

35b3fce0a67b99c436a48b7393db9d8f_1809182111_TM-Shenzhen-Titan-Micro-Elec-TM1638_C19187.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for TM1638: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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3D Model

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Where to Buy

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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 TM1638 is a dedicated LED driver and keyboard scan controller IC, commonly used in home appliances for driving multi-segment displays and reading user input.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the TM1638?+×

What are the key features of the TM1638?+×

What should engineers consider when using the TM1638?+×

What is the operating voltage of the TM1638?+×

What should sourcing teams check before buying TM1638?+×

What is the pinout of TM1638?+×