HA13561F
4. Braking & Shut down the Spindle Driver
Open
Open
SPNENAB
> 20µs
ON CUT OFF
BRAKING
CUT OFF
Note: The SPNENAB should be selected the open state after braking to reduce the supply current from Vps
and VSS.
5. Start-up of the Spindle motor
Open
SPNENAB
tCOMM (see External Components Table)
COMM
GND
Vth1
Vth2
SOURCE
IU
0
SINK
SOURCE
IV
0
SINK
SOURCE
IW
0
SINK
Synchronous Driving for motor start up
not detecting the B-EMF
detecting the B-EMF
Driving by
B-EMF sensing
10