KA3014 Datasheet, PDF (1/26 Pages) Fairchild Semiconductor – Spindle + 4-CH Motor Driver

KA3014
Spindle + 4-CH Motor Driver
www.fairchildsemi.com
Features
• Built-in power save circuit
• Built-in current limit circuit
• Built-in thermal shutdown circuit (TSD)
• Built-in hall bias
• Built-in FG signal output circuit
• Built-in rotational direction detecting circuit
• Built-in protection circuit for reverse rotation
• Built-in short brake circuit
• Built-in variable-regulator
• Built-in 4-CH balanced transformerless (BTL) driver
• Built-in BTL mute circuit (CH1/2, CH3 and CH4)
• Corresponds to 3.3V DSP
Description
The KA3014 is a monolithic integrated circuit suitable for a
4-ch motor driver which drives the tracking actuator, focus
actuator, sled motor, loading motor and 3-phase BLDC spin-
dle motor of the MDP/CAR-MD/CAR-NAVIGATION sys-
tem.
48-QFPH-1414
Target Application
• Mini disk player
• Digital video disk player
• Car mini disk player
• Car navigation system
Ordering Information
Device
KA3014
Package
Operating Temp.
48-QFPH-1414 −35°C ~ +85°C
©2000 Fairchild Semiconductor International
1
Rev. 1.0.2
May. 2000.