TA8493F/AF/BF
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
VC > Vref
BRK
H
L
H
Forward Forward
MS
L
Forward Forward
BRK
H
L
H
Short
brake
Reverse
MS
L
Short Reversing
brake
brake
In Short Brake mode, the upper-stage power transistor is turned on and the lower-stage power transistor
is turned off.
(short brake)
MS: H or L, BRK: H
VC
Vref
Forward mode
Short
Brake
mode
Forward mode
(reversing brake)
(1) When stopping the motor by applying a reversing brake after a short brake
MS: L
H
BRK
L
VC
Vref
Forward mode
Short Reversing
Brake Brake
mode mode
Stopped
9
2002-01-31