# TM1638 (Component) ## Description LED Driver Controller #CommonPartsLibrary #IntegratedCircuit ## Component Details - **Owner:** adrian95 - **Created:** 2/18/2026 - **Last Updated:** 2/18/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Part Number:** TM1638 - **Part Type:** Integrated Circuit - **Manufacturer Name:** TITAN MICRO ELECTRONICS - **Datasheet URL:** https://www.handsontec.com/dataspecs/display/TM1638.pdf - **Used in:** 1 project ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [HQonline](https://www.hqonline.com/product-detail/led-lighting-drivers-tm-tm1638-2500306423) | $0.30128 | 1.5K | | [LCSC](https://www.lcsc.com/product-detail/C19187.html) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **MPN:** TM1638 - **Pin Count:** 28 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | K1 | | | 2 | K2 | | | 3 | K3 | | | 4 | VDD_1 | | | 5 | SEG1/KS1 | | | 6 | SEG2/KS2 | | | 7 | SEG3/KS3 | | | 8 | SEG4/KS4 | | | 9 | SEG5/KS5 | | | 10 | SEG6/KS6 | | | 11 | SEG7/KS7 | | | 12 | SEG8/KS8 | | | 13 | SEG9 | | | 14 | SEG10 | | | 15 | VDD_2 | | | 16 | GRID8 | | | 17 | GRID7 | | | 18 | GND_1 | | | 19 | GRID6 | | | 20 | GRID5 | | | 21 | GRID4 | | | 22 | GRID3 | | | 23 | GRID2 | | | 24 | GRID1 | | | 25 | GND_2 | | | 26 | DIO | | | 27 | CLK | | | 28 | STB | | --- *Generated from [https://www.flux.ai/adrian95/tm1638~z92](https://www.flux.ai/adrian95/tm1638~z92)*