BA6908F

Motor driver ICs

1/7

Single-phase full-wave motor driver for

fan motor

BA6908F

BA6908F is a single phase full-wave motor driver for fan motor corresponding to 5V and 12V. Switching noise is reduced

by soft switching drive. This IC has lock detection and automatic restart functions as motor protection function.

Applications

Motor drivers for fan motors

Features

1) Single-phase full-wave drive system.

2) Built-in power transistor.

3) Soft switching drive.

4) Lock detection and automatic restart circuit.

5) Thermal shut-down circuit.

6) Hall signal output.

Absolute maximum ratings (Ta=25

°C)

Parameter

Symbol

Limits

Unit

Supply voltage

Tjmax

15

15

15

15

150

∗1

∗2

0.7

V

V

V

A

mA

Power dissipation

Pd

687

mW

Storage temperature

Topr

°C

°C

°C

Output current

Hall signal output current

Output voltage

Junction temperature

Hall signal output voltage

Operating temperature

Tstg

∗1 To use at temperature above Ta=25°C reduce 5.5mW/°C.

(On 70.0mm

×70.0mm×1.6mm glass epoxy board)

∗2 This value is not to be over Pd and ASO.

−40 to +85

−55 to +150

Recommended operating conditions (Ta=25

°C)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Supply voltage

3

−

14

V