Part Number: SM1628
Function: LED Drive Control Chip
Package: SOP28 type
Manufacturer: Shenzhen ( http://www.ssmec.com )
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Description
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.
Pinout
Features
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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