Motor driver ICs
3-phase motor driver
BA6840BFS / BA6840BFP-Y / BA6840BFP /
BA6842BFS
The BA6840BFS, BA6840BFP-Y, BA6840BFP, and BA6842BFS are one-chip ICs designed for driving CD-ROM motors.
They are high performance-ICs with a 3-phase, full-wave, pseudo-linear drive system.
FApplications
CD-ROM / RW, DVD-ROM / PLAYER
FFeatures
1) 3-phase, full-wave, pseudo-linear drive system.
2) Start / stop pin; power saving during stop mode.
3) Internal current limit circuit.
4) Internal thermal shutdown circuit.
5) Internal hall bias circuit.
FBlock diagram
523
