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TM1638 - LED drivers controller

General Description

TM1638 is LED driver controller with key-scan interface, MCU digital interface, data latch, LED high pressure driver, key-scan is integrated into a single chip.

TM1638 main apply for fridge, air condition and home theatre as high-seg display driver.

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Datasheet Details

Part number TM1638
Manufacturer Titan Micro
File Size 5.05 MB
Description LED drivers controller
Datasheet download datasheet TM1638 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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1, Description TM1638 is LED driver controller with key-scan interface, MCU digital interface, data latch, LED high pressure driver, key-scan is integrated into a single chip. TM1638 main apply for fridge, air condition and home theatre as high-seg display driver. 2. Feature l Power CMOS technology l Display mode 10seg 8grid l Key-scan(8 3bit) l Gray adjust circuit(duty ratio 8 level is adjustable) l Serial connection (CLK STB DIO) l Oscillation type: RC oscillation(450Hz+5%) l Build-in power-on reset circui l SOP28 package 3. Pin definition 1 2 3 4 5 6 7 8 9 10 11 12 13 14 K1 K2 K3 VDD SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9 SEG10 STB CLK DIO GND GRID1 GRID2 GRID3 GRID4 GRID5 GRID6 GND GRID7 GRID8 VDD 28 27 26 25 24 23 22 21 20 19 18 17 16 15 www.