AMIS-30521 AMI Semiconductor, Inc., AMIS-30521 Datasheet - Page 7

• Manufacturer Part Number: AMIS-30521
• Description: Micro-stepping Motor Driver
• Manufacturer: AMI Semiconductor, Inc.

AMIS-30521 Micro-stepping Motor Driver
7.0 Typical Application Schematic
Table 8: External Components List and Description
Component
C
C
C
C
C
C
C
R
D
AMI Semiconductor – June 2007, M-20683-001
www.amis.com
Notes:
1
2
4
5
6
7
8
1
1
, C
3
(1)
Low ESR < 1Ohm.
Function
V
V
V
V
Charge pump buffer capacitor
Charge pump pumping capacitor
Low pass filter SLA
Low pass filter SLA
Optional reverse protection diode
BB
BB
DD
DD
V
buffer capacitor
decoupling block capacitor
buffer capacitor
buffer capacitor
DD
100 nF
C
5
µC
(1)
Figure 5: Typical Application Schematic AMIS-30521
C
8
DIR
DO
DI
CLR
ERR
NXT
CLK
CS
SLA
R
1
C
100 nF
4
VDD
AMIS-30521
7
C
100 nF
2
VBB
C
100 nF
3
e.g. 1N4003
Typ. Value
GND
100
100
220
100
220
220
5.6
VBB
1
CPN
MOTXP
MOTXN
MOTYP
MOTYN
VCP
CPP
C
6
220 nF
220 nF
C
7
C
1
PC20070604.11
100 µF
M
Tolerance
-20 +80%
-20 +80%
+/- 20 %
+/- 20%
+/- 20%
+/- 20%
+/- 20%
+/- 1%
D
1
V
BAT
Data Sheet
Unit
µF
nF
nF
nF
nF
nF
nF
kΩ