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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