804

Motor driver ICs

BA6852FP

(2)

Power save

The power save pin logic is as follows.

(3)

Reverse rotation detector

The construction of the reverse rotation detector circuit

is shown in Fig. 17.

Motor operation during reverse detection

When the motor reverses, the reverse rotation detector operates, and the coil output is opened.

Free rotation in the reverse direction by inertia.

Stop

The phase relationship between the hall input sig-

verse rotation detector circuit does not operate.

opposite to that for forward rotation, and the re-

verse rotation detector circuit operates to switch the

output off and leave it in the open state.