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FAN8422G
Floppy Disk Drive Spindle Motor Driver
Features
鈥?Three-phase, full-wave, linear BLDC motor driver
鈥?Commutation with only two hall sensors
鈥?Generating index signal without an index hall sensor by
special rotor magnetization
鈥?Built-in soft switching drive circuit
鈥?300/360rpm selectable speed control circuit
鈥?Snubberless output drive
鈥?Chip enable function
鈥?Built-in current limit circuit
鈥?Built-in thermal shutdown circuit
鈥?Low output saturation voltage
鈥?TTL, 5V CMOS compatible digital inputs
鈥?Built-in current-mode control circuit (I
PEAK
: 1A)
Description
The FAN8422G 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 sensor by special rotor magnetization.
30-SSOP-375
1
Typical Application
鈥?3.5-inch floppy disk drive(FDD) spindle motor driver
Ordering Information
Device
FAN8422G
Package
30-SSOP-375
Operating Temp.
0 ~ 75擄C
Rev. 1.0.1
漏2003 Fairchild Semiconductor Corporation