DRV8809 Datasheet, PDF (22/44 Pages) Texas Instruments – COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS

DRV8809
DRV8810
SLVS854A – JULY 2008 – REVISED JULY 2008 ............................................................................................................................................................... www.ti.com
VREF_AB
NC
ENABLE_LAB
NC
PHASE_LAB
Pre Drive
and
Control
Motor Drive
Output
Control A
Motor Drive
Output
Control B
OUTLAB-
VM
RSLAB
OUTLAB+
OUTLAB+
RSLAB
OUTLAB-
Large
DC
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 12. Motor Configuration 3, One Large DC and Two Small DCs
VREF_AB
NC
ENABLE_LAB
NC
PHASE_LAB
Pre Drive
and
Control
Motor Drive
Output
Control A
Motor Drive
Output
Control B
OUTLAB-
VM
RSLAB
OUTLAB+
OUTLAB+
RSLAB
OUTLAB-
Large
DC
Motor
VREF_CD
NC
Motor Drive
Output
Control C
OUTLCD-
VM
RSLCD
ENABLE_LCD
NC
PHASE_LCD
Pre Drive
and
Control
Motor Drive
Output
Control D
OUTLCD+
OUTLCD+
RSLCD
Large
DC
Motor
OUTLCD-
Figure 13. Motor Configuration 4, Two Large DCs
22
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