Microstepping operation removes the design trade-off
between minimal operation speed and avoiding the risk of
noise and step loss due to resonance phenomena.
All these benefits result in reduced system cost and time-
to-market and improved technical performance.
Ordering Codes
Part N°
AMIS-30622-AGA
AMIS-30622-ANA
AMIS-30622
-
-
Stepper Motordriver & Controller Feature Sheet
AMIS-30622
Stepper Motordriver & Controller Feature Sheet
Package
SOIC-20
NQFP-32
(7mm x 7mm)
Peak Current Ambient
Ordering Code - Tube
at Max. Temp. Temperature
800mA
800mA
-40°C...125°C
-40°C...125°C
0C622-003-XTD
0C622-004-XTD
Ordering Code - Tape
0C622-003-XTP
0C622-004-XTP
Functional Block Diagram
SWI
I
2
C
I
2
C
Interface
Position
Controller
MOTXP
PWM
regulator
X
+
HW
Controller
TST
-
I -Sense
MOTXN
Decoder
Main Control
Registers
OTP - ROM
Sinewave
Table
DAC's
1 MHz
Vref
Temp
sense
Oscillator
PWM
regulator
Y
MOTYP
Voltage Regulator
Charge Pump
+
-
I -Sense
MOTYN
VBB
VDD
CPN CPP VCP
GND
Typical Application
220 nF
100 nF
V
BAT
C
1
220 nF
CPN
VDD
9
3
C
4
100
µF
C
3
CPP
10
11
C
5
VBB
12
C
6
VBB
100 nF
VCP
19
20
SWI
1
µF
C
2
SDA
1
18
MOTXP
MOTXN
I
2
C
bus
AMIS-30622
SCK
2
16
M
15
MOTYP
MOTYN
Connect
to V
BAT
or GND
R
1
HW
8
5
6
4
7
14
17
13
1 kΩ
TST1
TST2
GND
PC20070111.7
AMI Semiconductor
www.amis.com
Devices sold by AMIS are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. AMIS makes no warranty, express, statutory, implied or
by description, regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. AMIS makes no warranty of merchantability
or fitness for any purposes. AMIS reserves the right to discontinue production and change specifications and prices at any time and without notice. AMI Semiconductor's products
are intended for use in commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as
military, medical life-support or life-sustaining equipment, are specifically not recommended without additional processing by AMIS for such applications.