ROHM BA6842BFS, BA6840BFS, BA6840BFP-Y, BA6840BFP Datasheet

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.

Applications
CD-ROM/RW, DVD-ROM/PLAYER

Features

1) 3-phase, full-wave, pseudo-linear drive system.

2) Start / stop pin; power saving during stop mode.

3) Internal current limit circuit.

Block diagram

4) Internal thermal shutdown circuit.

5) Internal hall bias circuit.

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Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS

FAbsolute maximum ratings (Ta = 25_C)

FRecommended operating conditions

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Motor driver ICs BA6840BFS / BA6840BFP-Y / BA6840BFP / BA6842BFS

FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 5V, VM = 12V)

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