ROHM BA6818FS, BA6817F Datasheet

Motor driver ICs

Fan motor driver IC

BA6817F / BA6818FS

The BA6817F and BA6818FS are 24V motor drivers for 2-phase, half-wave fan motors. The ICs have lock detection
and automatic restart functions. In compact SOP8 (BA6817F) and SSOP-A16 (BA6818FS) packages, the ICs reduce
the number of external components required.

Applications
2-phase motors such as fan motors

Features

1) Built-in power transistors.

2) Lock detection and automatic restart functions.

3) Thermal shutdown circuit.

Absolute maximum ratings (Ta = 25C)

4) Alarm output pin. (BA6817F / BA6818FS)

5) Hall signal output pin. (BA6818FS)

Recommended operating conditions (Ta = 25C)

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Motor driver ICs BA6817F / BA6818FS

Block diagram

Pin descriptions

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Motor driver ICs BA6817F / BA6818FS

Hall input / output truth table

Input / output circuits

Electrical characteristics (unless otherwise noted, Ta = 25C)

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