KA2822D
Features
- 3-phase, full-wave, linear BLDC motor driver with 2 hall sensors
- Built-in soft switching drive circuit
- 300 or 360 RPM speed control
- Snubberless
- Built-in chip enable function
- Built-in digital speed control circuit
- Built-in current limit circuit
- Index sensorless
- Built-in TSD (Thermal shutdown)
- Low saturation voltage
- Digital input: TTL, 5V CMOS patible
- Built-in current-mode control circuit (IPEAK: 1A)
Description
The KA2822D is a monolithic integrated circuit, and suitable for the three-phase spindle motor driver of FDD system.
28-SSOPH-375
Typical Application
- 3.5-inch floppy disk drive (FDD) spildle motor
- Other 3-phase BLDC motor
Ordering Information
Device KA2822D KA2822BD Package 28-SSOPH-375 28-SSOPH-375 Operating Temp. 0 ~ 75°C 0 ~ 75°C 0 ~ 75°C 0 ~ 75°C
KA2822DTF 28-SSOPH-375 KA2822BDTF 28-SSOPH-375
Rev. 1.0.1 May. 2000.
©2000 Fairchild Semiconductor International
Pin Assignments
FG INPUT(- ) AGC INDEX PULSE WIDTH VOLTAGE REG...
