SM1628 Datasheet PDF – LED Drive Control Chip – Shenzhen

Part Number: SM1628

Function: LED Drive Control Chip

Package: SOP28 type

Manufacturer: Shenzhen ( )


SM1628 LED Control Chip


The SM1628 is a kind of special circuit for driving control of LED (light emitting diode) display with keyboard scanning interface. There are MCU digital interface, data latch, LED high voltage driver and keyboard scan. This product performance, quality and reliable. Mainly used in VCR, VCD, DVD and home theater products such as the display driver.



SM1628 datasheet pinout



1. CMOS technology

2. VDD: 5V Low power consumption

3. Multiple display modes (10 segments × 7 digits to 13 segments × 4 digits)

4. Key Scan (10 × 2bit)

5. Brightness adjustment circuit (adjustable duty cycle 8)

6. Serial interface (CLK, STB, DI / O)

7. Oscillation mode: RC oscillation

8. Built-in power-on reset circuit


SM1628 Datasheet PDF



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