AMIS-30624 AMI Semiconductor, Inc., AMIS-30624 Datasheet - Page 12

• Manufacturer Part Number: AMIS-30624
• Description: I2c Microstepping Motordriver
• Manufacturer: AMI Semiconductor, Inc.

AMIS-30624 I
12.0 Typical Application
Notes:
13.0 Positioning Parameters
13.1 Stepping Modes
One of four possible stepping modes can be programmed:
AMI Semiconductor – Apr. 2007, Rev 3.1, M-20664-003
www.amis.com
(1)
(2)
(3)
(4)
(5)
• Half stepping
• 1/4 microstepping
• 1/8 microstepping
• 1/16 microstepping
All resistors are ± 5%, ¼ W.
Depending on the application, the ESR value and working voltage of C
C
C
C
2
3
5
must be a ceramic capacitor to assure low ESR.
and C
and C
4
6
bus
Connect
to V
or GND
I
must be as close as possible to pins CPN, CPP, VCP, and VBB to reduce EMC radiation.
must be close to pins VBB and GND.
2
C
V
BAT
BAT
2
C Microstepping Motordriver
1 µF
1 kΩ
R
1
100 µF
SDA
VDD
SCK
C
HW
C
2
1
CPN
TST1
2
1
8
3
9
220 nF
C
5
3
Figure 6: Typical Application Diagram
TST2
10
AMIS-30624
6
CPP
C
4
4
11
VCP
GND
1
12
must be carefully chosen.
7
12
VBB
C
14
5
17
19
VBB
20
16
15
13
18
C
6
SWI
MOTXP
MOTXN
MOTYP
MOTYN
100 nF
1 kΩ
R
2
PC20060925.5
M
Connect
to V
or GND
Data Sheet
BAT