DRV8711 Datasheet, PDF (4/34 Pages) Texas Instruments – STEPPER MOTOR CONTROLLER IC

DRV8711
SLVSC40 – JUNE 2013
NAME
NO.
BOUT1
28
B1LS
26
B2HS
22
BOUT2
21
B2LS
23
BISENP
25
BISENN
24
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TERMINAL FUNCTIONS (continued)
I/O ⁽¹⁾
DESCRIPTION
EXTERNAL COMPONENTS OR CONNECTIONS
I Bridge B output 1
Connect to output node of external FETs of bridge B out 1
O Bridge B out 1 LS gate
Connect to gate of LS FET for bridge B out 1
O Bridge B out 2 HS gate
Connect to gate of HS FET for bridge B out 2
I Bridge B output 2
Connect to output node of external FETs of bridge B out 2
O Bridge B out 2 LS gate
Connect to gate of LS FET for bridge B out 2
I Bridge B Isense + in
Connect to current sense resistor for bridge B
I Bridge B Isense - in
Connect to ground at current sense resistor for bridge B
CRITICAL COMPONENTS
PIN
NAME
COMPONENT
4
VM
100-µF electrolytic rated for VM voltage to GND 0.01-µF ceramic rated for VM voltage to GND
3
VCP
1-µF ceramic X7R rated 16 V to VCP
1, 2
CP1, CP2
0.1-µF rated for VM + 12 V between these pins
6
V5
0.1-µF ceramic X7R rated 6.3 V to GND
7
VINT
1-µF ceramic X7R rated 6.3 V to GND
17
SDATO
Requires external pullup to logic supply
18
FAULTn
Requires external pullup to logic supply
19
STALLn/BEMFVn
Requires external pullup to logic supply
20
BEMF
1-nF low-leakage capacitor to GND
DCP (HTSSOP) PACKAGE
CP1 ¹
CP2 2
VCP 3
VM 4
GND 5
V5 ⁶
VINT ⁷
SLEEPn 8
RESET ⁹
STEP / AIN1 10
DIR / AIN2 11
BIN1 12
BIN2 13
SCLK 14
SDATI 15
SCS 16
SDATO 17
FAULTn 18
STALLn / BEMFVn ¹⁹
GND
(PPAD)
38 _GND
37 AOUT1
36 A1HS
35 A1LS
34 AISENP
33 AISENN
32 A2LS
31 A2HS
30 AOUT2
29 GND
28 BOUT1
27 B1HS
26 B1LS
25 BISENP
24 BISENN
23 B2LS
22 B2HS
21 BOUT2
20 BEMF
4
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