AMIS-30623 Datasheet, PDF (6/67 Pages) AMI SEMICONDUCTOR – LIN Microstepping Motordriver

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