AMIS-30623 AMI Semiconductor, Inc., AMIS-30623 Datasheet - Page 12

• Manufacturer Part Number: AMIS-30623
• Description: Lin Microstepping Motordriver
• Manufacturer: AMI Semiconductor, Inc.

AMIS-30623 LIN Microstepping Motordriver
12.0 Typical Application
Notes:
(1) All resistors are ± 5%, ¼ W
(2) C
(3) Depending on the application, the ESR value and working voltage of C
(4) C
(5) C
(6) C
13.0 Positioning Parameters
13.1 Stepping Modes
One of four possible stepping modes can be programmed:
AMI Semiconductor – June 2006, Rev 3.0
www.amis.com
1
3
5
9
, C
and C
and C
must be a ceramic capacitor to assure low ESR
2
• Half-stepping
• 1/4 micro-stepping
• 1/8 micro-stepping
• 1/16 micro-stepping
LIN bus
minimum value is 2.7nF, maximum value is 10nF
Connect
to V
or GND
4
6
V
must be close to pins VBB and GND
must be as close as possible to pins CPN, CPP, VCP, and VBB to reduce EMC radiation
BAT
BAT
C
8
C
1
VDR 27V
100 nF
1 kΩ
2,7 nF
1 µF
C
100 µF
9
C
HW0
HW2
VDD
HW1
LIN
7
CPN
6
1
2
8
3
TST
9
220 nF
C
5
Figure 7: Typical Application Diagram
5
10
AMIS-30623
CPP
7
4
must be carefully chosen
C
6
11
VCP
12
GND
7
12
VBB
C
14
3
19
17
VBB
20
16
15
13
18
C
4
SWI
MOTXP
MOTXN
MOTYP
MOTYN
100 nF
1 kΩ
C
PC20051118.1
2
2,7 nF
M
Data Sheet
Connect
to V
or GND
BAT