DRV8809 Datasheet, PDF (4/44 Pages) Texas Instruments – COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS

DRV8809
DRV8810
SLVS854A – JULY 2008 – REVISED JULY 2008 ............................................................................................................................................................... www.ti.com
TERMINAL FUNCTIONS (continued)
TERMINAL
NO.
NAME IN
SETUP MODE
NAME IN
OPERATION
I/O
23
OSCD_mon
OSCD_mon
O
24
CP2
CP2
-
25
CP1
CP1
-
26
VDIN
VDIN
27
VDIN
VDIN
28
VDIN
VDIN
29
VM
VM
-
30
VREF_AB
VREF_AB
I
31
VREF_CD
VREF_CD
I
32
FBA
FBA
I
33
OD_A
OD_A
O
34
OD_A
OD_A
O
35
LGND
LGND
-
36
MGND
MGND
-
37
OUTC–
OUTC–
O
38
RSC
RSC
I
39
RSC
RSC
I
40
OUTC+
OUTC+
O
41
MGND
MGND
-
42
MGND
MGND
-
43
OUTD+
OUTD+
O
44
RSD
RSD
I
45
RSD
RSD
I
46
OUTD–
OUTD–
O
47
MGND
MGND
-
48
GND
GND
-
49
C_SELECT
C_SELECT
I
50
-
ENABLE_SD
I
50
-
Reserved
I
51 STROBE_CD ENABLE_SC
I
51 STROBE_CD ENABLE_LCD I
51 STROBE_CD STROBE_CD
I
52
TH_OUT
TH_OUT
O
53 LOGIC OUT LOGIC OUT
O
54
-
Reserved
I
54
-
ENABLE_SB
I
55 STROBE_ AB STROBE_ AB
I
55 STROBE_AB ENABLE_LAB I
55 STROBE_AB ENABLE_SA
I
56
nORT
nORT
O
57
LGND
LGND
-
58
OSCM_mon OSCM_mon
O
59
DATA_CD
PHASE_SD
I
PULLUP/
PULLDOWN
Up
Down
Down
Down
Down
Down
Open drain
Open drain
Down
Down
Down
Down
Down
Open drain
Open drain
Down
SHUNT
RESISTOR
DESCRIPTION
200 kΩ
100 kΩ
100 kΩ
100 kΩ
100 kΩ
100 kΩ
100 kΩ
100 kΩ
100 kΩ
100 kΩ
100 kΩ
100 kΩ
OSCD clock monitoring
Charge-pump bucket capacitor (high side)
Charge-pump bucket capacitor (low side)
Voltage supply for DC-DC converter
Voltage supply for DC-DC converter
Voltage supply for DC-DC converter
Voltage supply for motors
Voltage reference for maximum stepper motor
current through A and B bridges
Voltage reference for maximum stepper motor
current through C and D bridges
Feedback signal for DC-DC converter A
Output for DC-DC switch mode regulator A
Output for DC-DC switch mode regulator A
Low-power or analog ground
Power ground for motor
Motor-drive output for winding C–
Channel C current-sense resistor
Channel C current-sense resistor
Motor-drive output for winding C+
Power ground for motor
Power ground for motor
Motor-drive output for winding D+
Channel D current-sense resistor
Channel D current-sense resistor
Motor drive output for winding D–
Power ground for motor
Must be grounded
DC-DC converter selector
Enable input for DC motor D control
Reserved for DC motor operation
Enable for DC motor C control
Enable for large DC motor CD control
Serial interface data strobe for H-bridge C, D
stepper motor drive (latch on rising edge)
Temperature-sensing output
Protection-monitoring output
Reserved for four DC motor operation
Enable for DC motor B control
Serial interface data strobe for H-bridge A, B
stepper motor drive (latch on rising edge)
Enable for large DC motor AB control
Enable for DC motor A control
Reset output (open drain)
Low power or analog ground
OSCM clock monitoring
Serial input data for H-bridge C and D control
4
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