Description
PT2127A is a high performance electronic fan controller LSI. Speed control, off-timer, rhythm wind, sleep mode, head swing and/or light control are all built into a single chip. Indicator LED output, buzzer output and key control input are also provided to build a full function electronic fan having the highest performance with the least external components. Furthermore, the pin assignments and application circuit of PT2127A are optimized for easy PCB layout and cost saving for electronic fan application.

Features
‰High Performance CMOS Technology
Low Power Consumption
DIP or SO package (22 pin SO not available)
Up to 3 Dependent/Independent Swing-Head/Light Output
Available in 16, 18, 20, 22, 24 Pin Package for None, One Set or Two Sets of Swing-Head and/or Light Control
90 Seconds Cycle/6 Seconds per Step (Off Step 3 Seconds) Rhythm Wind Pattern
Optional Independent Light Control Output
Four Operation Modes: Ordinary, Rhythm, Ordinary Sleep and Rhythm Sleep
Memory Start-up Mode
3 or 4 Levels Timer
2~3 Seconds Middle Wind Start-up (Mask Option)