BA6427F 데이터 시트보기 (PDF) - ROHM Semiconductor

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BA6427F

Single-phase full-wave motor driver

ROHM Semiconductor 

Motor driver ICs

Single-phase full-wave motor driver

BA6427F

The BA6427F is a single-phase full-wave motor driver for fan motors. By using this driver, a single-phase, full-wave motor

driver circuit can be built with fewer components than a circuit using operational amplifiers. Lock detection and automatic

restart mechanisms, which are required for fan motors, are also built in. A rotational-speed sensing output pin is provided

for Ho output.

FApplications

Single-phase, full-wave fan motors

FFeatures

1) Equipped with lock detection and rotational-speed

sensing functions.

2) Compact SOP-8 package reduces the number of ex-

ternal components for a reduced mounting area.

3) Automatic restart when the motor lock is undone.

FAbsolute maximum ratings (Ta = 25_C)

FRecommended operating conditions

763

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