SLA7611M
sInternal
Block Diagram
sPin
Assignment (Function Table)
Pin No.
1
2
3
4
5
OUT Block
2
OUT
U
11
OUT
V
17
OUT
W
1
CP1
16
V
CC
3
TSD
UVLO
Reg
CP2
15
V
B
18
V
BB
9
Symbol
Sense
Out U
V
CC
RC
PFD
REF
Reset
Ena
V
BB
GND
Out V
CW/CCW
Clock
Full/Half
CP2
CP1
Out W
V
B
Function
Current sense
Phase U output
Logic supply
PWM OFF time setting
Mixed Decay ratio setting
Control current setting
Internal logic reset
Output Enable/Disable control
Main supply (motor supply)
Device GND
Phase V output
Forward/reverse control
Step Clock
Full/half step control
Charge pump capacitor 2
Charge pump capacitor 1
Phase W output
Boost charge pump
Charge Pump
6
7
8
9
10
11
12
13
14
15
Clock 13
CW/CCW 12
F/H
Ena
Reset
14
8
7
Sequence
Logic
Level
shift
&
Pri-Driver
REF
6
PWM
Control
Current
Control
+
_
S
5
PFD
4
RC
10
GND
16
17
18
sTypical
Connection Diagram
C2
16
3
CB
+
C1
10 to 30V
9
V
BB
+
5V
C4 C3
15
CP2
18
V
B
CA
C5
V
CC
CP1
13
12
OUT
U
Clock
CW/CCW
F/H
Ena
OUT
W
Reset
S
2
Micro-
computer,
etc.
11
14
8
7
R4
R2
SLA7611M
OUT
V
17
1
3
φ
SPM
6
REF
PFD
5
4
RC
10
GND
Rs
Ct
R1
R5
R3
S-GND
P-GND
Rt
sExternal
Dimensions (ZIP18 with Fin [SLA18Pin])
31
±0.2
24.4
±0.2
16.4
±0.2
(Unit : mm)
φ
3.2
±0.15
φ
3.2
±0.15
×3.8
4.8
±0.2
1.7
±0.1
16
±0.2
13
±0.2
9.9
±0.2
Part Number
Lot number
R-End
2.45
±0.2
6.7
±0.5
(3)
9.7
–0.5
+1
0.65
–0.1
+0.2
1
–0.1
17×P1.68
±0.4
=28.56
±1
31.3
±0.2
+0.2
0.55
–0.1
4
±0.7
+0.2
1 2 3
. . . . . . . .
18
Forming No.
No.871
Other lead forming shapes are also available.
For details, contact our sales representative.
ICs
121
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