LA6503 Description
EN5791 Monolithic Linear IC LA6503 CD-ROM Drive Spindle Motor Driver + Sled Motor Driver + Sled Motion/Position Detector IC Overview The LA6503 was developed for CAV control CD-ROM drives, and provides spindle motor driver, sled motor driver, and sled motion/position detection circuits. mm 3219-QFP34H-C [LA6503] Functions.
LA6503 Key Features
- CAV control spindle motor driver
- Three-phase brushless motor driver
- IOmax = 1 A
- Built-in FG output circuit (single Hall detection output)
- Reverse braking circuit
- Built-in start/stop circuit
- Upper side current detection for minimal loss in the current detection resistor. Also, the voltage drop in this resistor
- Built-in thermal shutdown circuit
- Sled motor driver
- One built-in BTL driver channel