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AMIS-30523 Datasheet, PDF (16/35 Pages) ON Semiconductor – CAN Micro-Stepping Motor Driver
AMIS−30523
C7
mC
DRIVER
diagnostic
RESET
SPI
interface
MOTOR
positioner
CAN
controller
TYPICAL APPLICATION SCHEMATIC
R4
C6
C5 220 nF
C4 C3
C2 C1 100 mF
R3
R2
VDD CPN CPP VCP VBB VBB
VCC 46
6
20 21 22 25, 26 40, 41
POR/WD 42
MOTXP
38, 39
ERR 18
34, 35 MOTXN
DO
45
DI
8
CLK 9
CS
24
DIR 17
NXT
10
TXD
52
RXD 6
STB 51
AMIS−30523
M
MOTYP
27, 28
MOTYN
31, 32
48 CANH
R5
C9
VSPLIT
7
R6
47 nF
CANL
49
1
D1
3
2
23 19 1 2 29 30 36 37 43
CLR SLA
TSTO
GND
R1
PC201001 26. 1
10 nF
100 W
C8
VBB
CAN −bus
Figure 13. Typical Application Schematic AMIS−30523
Table 10. EXTERNAL COMPONENTS LIST AND DESCRIPTION
Component
Function
C1
C2, C3
C4
C5
C6, C7
C8
C9
R1
R2
R3, R4
R5, R6
D1
17. Low ESR < 1 W.
VBB buffer capacitor (Note 17)
VBB decoupling block capacitor
Charge−pump pumping capacitor
Charge−pump buffer capacitor
VDD buffer capacitor
Low pass filter SLA
VSPLIT decoupling capacitor
Low pass filter SLA
Pull up resistor open drain DO output
Pull up resistor open drain output
CAN termination resistors
CAN protection diode
Typ Value
100
100
220
220
100
10
47
100
1
10
56
NUP2105
Tolerance
Unit
−20 +80%
mF
−20 +80%
nF
$20%
nF
$20%
nF
$20 %
nF
$20%
nF
$20%
nF
$1%
W
$1%
kW
$1%
kW
$1%
W
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