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KA2822CD
3-Phase BLDC Motor Driver
Features
鈥?3-phase, full-wave, linear BLDC motor driver
with 2 hall sensors
鈥?Built-in soft switching drive circuit
鈥?300 or 360 RPM speed control
鈥?Snubberless
鈥?Built-in chip enable function
鈥?Built-in digital speed control circuit
鈥?Built-in current limit circuit
鈥?Index sensorless
鈥?Built-in TSD (Thermal shutdown)
鈥?Low saturation voltage
鈥?Digital input: TTL, 5V CMOS compatible
鈥?Built-in current-mode control circuit (I
PEAK
: 1A)
Description
The KA2822CD is a monolithic integrated circuit suitable
for a three-phase spindle motor driver of floppy disk drive
systems. It can make index signals without an index hall sen-
sor by special rotor magnetization.
28-SSOPH-375
1
Typical Application
鈥?3.5-inch floppy disk drive(FDD) spindle motor driver
Ordering Information
Device
KA2822CD
Package
28-SSOPH-375
Operating Temp.
0 ~ 75擄C
0 ~ 75擄C
KA2822CDTF 28-SSOPH-375
Rev. 1.0.0
漏2003 Fairchild Semiconductor Corporation