DRV8808 Datasheet, PDF (4/38 Pages) Texas Instruments – COMBINATION MOTOR DRIVER WITH DC-DC CONVERTER

DRV8808
SLVS857A – DECEMBER 2009 – REVISED AUGUST 2011
TERMINAL
NO.
NAME
22
VLDO_FB
23
VLDO_IN
24
FB_B
25
OD_B
26
GND
27
VM
28
A-
29
RSKA / GND
30
RSA / GND
31
A+
32
VM
33
B+
34
RSKB / GND
35
RSB / GND
36
B-
37
VM
38
VM
39
C+
40
RSKC / GND
41
RSC / GND
42
C-
43
VM
44
VCP
45
CP2
46
CP1
47
GND
48
FB_A
TERMINAL FUNCTIONS (continued)
I/O
PU/PD
SHUNT
R
DESCRIPTION
I
LDO voltage regulator feed back
I
LDO voltage regulator input
I
Feedback signal for DC-DC converter B
O
Output for DC-DC switch mode regulator B
-
Ground
-
Voltage supply for motors and regulators
O
Motor drive output for winding A-
I
Motor drive current sensing resistor A / GND Kelvin
O
Motor drive current sensing resistor A / GND power
O
Motor drive output for winding A+
-
Voltage supply for motors and regulators
O
Motor drive output for winding B+
I
Motor drive current sensing resistor B / GND Kelvin
O
Motor drive current sensing resistor B / GND power
O
Motor drive output for winding B-
-
Voltage supply for motors and regulators
-
Voltage supply for motors and regulators
O
Motor drive output for winding C+
I
Motor drive current sensing resistor C / GND Kelvin
O
Motor drive current sensing resistor C / GND power
O
Motor drive output for winding C-
-
Voltage supply for motors and regulators
O
Charge pump output
O
Charge pump bucket capacitor output (high side)
O
Charge pump bucket capacitor output (low side)
-
Ground
I
Feedback signal for DC-DC converter A
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