AMIS-30623 LIN Microstepping Motordriver
Data Sheet
8.0 Pin Out
1
2
20
19
18
17
16
15
14
13
12
HW0
HW1
VDD
GND
TST
SWI
32
31
30
29
28
27
26
25
VBB
24
1
XP
XP
YN
3
MOTXP
GND
23
22
2
3
YN
4
VBB
VBB
VBB
VBB
VBB
VCP
CPP
CPN
5
MOTXN
MOTYP
GND
21
20
19
4
5
6
AMIS-30623
VBB
SWI
NC
6
LIN
7
GND
HW2
CPN
CPP
18
17
7
8
8
MOTYN
VBB
HW0
9
9
10
11
12
13
14
15
16
10
11 VCP
Top view
NQ32
PC20051118.1
PC20051123.1
Figure 2: SOIC 20 and NQFP-32 pin-out
Table 4: Pin Description
NQFP-32
Pin Name
HWO
HW1
Pin Description
SOIC-20
1
Bit 0 of LIN-ADD
Bit 1 of LIN-ADD
8
To be tied to GND or VDD
2
9
10
VDD
Internal supply (needs external decoupling capacitor)
Ground, heat sink
3
11, 14, 25, 26, 31, 32
GND
4,7,14,17
12
TST
Test pin (to be tied to ground in normal operation)
LIN-bus connection
5
13
LIN
6
15
HW2
Bit 2 LIN-ADD
8
17
CPN
Negative connection of pump capacitor (charge pump)
Positive connection of pump-capacitor (charge pump)
Charge-pump filter-capacitor
9
18
CPP
10
11
12,19
13
15
16
18
20
19
VCP
3, 4, 5, 20, 21, 22
VBB
Battery voltage supply
23, 24
27, 28
29, 30
1, 2
MOTYN
MOTYP
MOTXN
MOTXP
SWI
Negative end of phase Y coil
Positive end of phase Y coil
Negative end of phase X coil
Positive end of phase X coil
6
Switch input
7, 16
NC
Not connected (to be tied to ground)
AMI Semiconductor – June 2006, Rev 3.0
6
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