KA3084D Datasheet, PDF (1/14 Pages) Fairchild Semiconductor – Bi-Directional DC Motor Driver

KA3084D
2-Phase BLDC Motor Driver
www.fairchildsemi.com
Features
• Drives the BLDC motor using 2 hall sensors.
• 2-phase, full-wave drive method
• Built-in thermal shutdown (TSD) circuit
• Controls the motor speed through voltage
• Built-in bandgap circuit
• Built-in frequency Generator (FG) & Phase
Generator (PG) amplifier & comparator.
Description
The KA3084D is a monolithic integrated circuit, and it is
suitable for drum motor driver of VCR system.
22-SOP-300
Target Applications
• Video cassette recorder(VCR) cylinder (drum) motor
• Other 2-phase BLDC motor
Ordering Information
Device
Package
KA3084D 22-SOP-300
KA3084DTF 22-SOP-300
Operating Temp.
−25°C ~ +75°C
−25°C ~ +75°C
©2000 Fairchild Semiconductor International
1
Rev. 1.0.1
February. 2000.