DRV8809 Datasheet, PDF (21/44 Pages) Texas Instruments – COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS

DRV8809
DRV8810
www.ti.com ............................................................................................................................................................... SLVS854A – JULY 2008 – REVISED JULY 2008
VREF_AB
NC
STROBE_AB
DATA_AB
CLK_AB
Pre Drive
and
Control
Motor Drive
Output
Control A
Motor Drive
Output
Control B
OUTA-
VM
RSA
OUTA+
OUTB+
VM
RSB
OUTB-
Stepper
Motor
VREF_CD
NC
Motor Drive
Output
Control C
OUTLCD-
VM
RSLB
ENABLE_LCD
NC
PHASE_LCD
Pre Drive
and
Control
Motor Drive
Output
Control D
OUTLCD+
OUTLCD+
RSLB
OUTLCD-
Large
DC
Motor
Figure 10. Motor Configuration 1, One Stepper and One Large DC
VREF_AB
NC
STROBE_AB
DATA_AB
CLK_AB
Pre Drive
and
Control
Motor Drive
Output
Control A
Motor Drive
Output
Control B
OUTA-
VM
RSA
OUTA+
OUTB+
VM
RSB
OUTB-
Stepper
Motor
VREF_CD
ENABLE_SD
Motor Drive
Output
Control C
OUTSC-
VM
RSC
DC
Motor
ENABLE_SC
PHASE_SD
PHASE_SC
Pre Drive
and
Control
Motor Drive
Output
Control D
OUTSC+
OUTSD+
VM
RSD
DC
Motor
OUTSD-
Figure 11. Motor Configuration 2, One Stepper and Two Small DCs
Copyright © 2008, Texas Instruments Incorporated
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