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KA2822D
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 KA2822D is a monolithic integrated circuit, and suit-
able for the three-phase spindle motor driver of FDD system.
28-SSOPH-375
Typical Application
鈥?3.5-inch floppy disk drive (FDD) spildle motor
鈥?Other 3-phase BLDC motor
Ordering Information
Device
KA2822D
KA2822BD
Package
28-SSOPH-375
28-SSOPH-375
Operating Temp.
0 ~ 75擄C
0 ~ 75擄C
0 ~ 75擄C
0 ~ 75擄C
KA2822DTF 28-SSOPH-375
KA2822BDTF 28-SSOPH-375
Rev. 1.0.1
May. 2000.
漏2000 Fairchild Semiconductor International
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