AMIS-30622_13 Datasheet, PDF (4/50 Pages) ON Semiconductor – I2C Micro-Stepping Motor Driver

AMIS−30622
SDA
SCK
VDD
GND
TST1
TST2
GND
HW
CPN
CPP
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
SOIC−20
SWI
VBB
MOTXP
GND
MOTXN
MOTYP
GND
MOTYN
VBB
VCP
XP
XP
VBB
VBB
VBB
SWI
NC
SDA
32
25
1 ^{31 30 29 28 27 26} 24
2
23
3
22
4
21
AMIS−30622
5
(Top View)
20
6
19
7
18
8 _{10 11 12 13 14 15} 17
9
16
YN
YN
VBB
VBB
VBB
VCP
CPP
CPN
Figure 2. SOIC−20 and NQFP−32 Pin−out
Table 4. PIN DESCRIPTION
Pin Name
Pin Description
SDA
SCK
I²C serial data line
I²C serial clock line
V_DD
GND
Internal supply (needs external decoupling capacitor)
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
V_BB
MOTYN
Battery voltage supply
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
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