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Motor driver ICs
Reversible motor driver
BA6950FS
The BA6950FS is a reversible-motor driver suited for brush motors. Two logic inputs allow four output modes: forward,
reverse, stop (standby), and brake. The rotational speed of motor can be set arbitrarily by changing the voltage applied
to the motor with control pins. The IC can also drive a motor at a constant speed by using a built-in current feedback
amplifier.
Applications
VCRs, audio equipment
Features
1) Two logic inputs allow four output modes: forward, reverse, stop (standby), and brake.
2) Motor speed variable with voltage control signals.
Absolute maximum ratings (Ta = 25C)
3) Built-in current feedback amplifier allows constant
motor speed.
4) Control gain can be set arbitrarily by using external
resistors.
5) Built-in thermal shutdown circuit.
Recommended operating conditions (Ta = 25C)
484
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Motor driver ICs BA6950FS
Block diagram
Pin descriptions
485