AMIS-30624 Datasheet, PDF (6/56 Pages) AMI SEMICONDUCTOR – I2C Microstepping Motordriver

AMIS-30624 I²C Microstepping Motordriver
Data Sheet
8.0 Pin-out
SDA 1
SCK 2
VDD 3
GND ⁴
TST1 5
TST2 6
GND 7
HW 8
CPN 9
CPP 10
20 SWI
19 VBB
18 MOTXP
17 GND
16 MOTXN
15 MOTYP
14 GND
13 MOTYN
12 VBB
32 31 30 29 28 27 26 25
XP 1
XP 2
VBB ³
VBB 4
VBB ⁵
SWI ⁶
NC ⁷
SDA 8
AMIS-30624
24 _YN
23 YN
22 _VBB
21 _VBB
20 _VBB
19 _VCP
18 _CPP
17 _CPN
9 10 11 12 13 14 15 16
11 VCP
PC20060925.2
Top view
NQ32
Figure 2: SOIC 20 and NQFP-32 Pin-out
PC20050925.3
Table 4: Pin Description
Pin Name
Pin Description
SDA
I²C serial data line
SCK
I²C serial clock line
VDD
Internal supply (needs external decoupling capacitor)
GND
Ground, heat sink
TST1
Test pin (to be tied to ground in normal operation)
TST2
Test pin (to be left open in normal operation: internally pulled up)
HW
Hard wired address bit
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)
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 – Apr. 2007, Rev 3.1, M-20664-003
6
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