TA8490F
When VC > Vref, one of three modes (Reverse Rotation, Reversing Brake or Short Brake mode) can be selected
by setting the MS and BRK pins appropriately.
<Function>
VC < Vref
H
H Forward
MS
L Forward
BRK
L
Forward
Forward
VC > Vref
H
MS
L
H
Short brake
Short brake
BRK
L
Reverse
Reversing brake
In Short Brake mode, the upper−stage power transistor is turned on and the lower−stage power transistor is
turned off.
In Reversing Brake mode, all outputs are cut off after detection of reverse rotation, causing the motor to stop.
(Short brake)
(Reversing brake)
(1) When stopping the motor by applying a reversing brake after a short brake
9
2003-10-07