AMIS-30542 Datasheet, PDF (10/29 Pages) ON Semiconductor – AMIS-30542 Micro-Stepping Motor Driver

C5
100 nF
mC
AMIS−30542
TYPICAL APPLICATION SCHEMATIC
R₂ R₃ R₄
100 nF
C4
100 nF 100 nF
C₂
C3
C1
C6
VDD
32
VBB
14
VBB
27
220 nF
D₁
100^mF
V_BAT
POR /WD
DIR
NXT
DO
DI
CLK
11 ^VCP
28
9 ^CPN
5 _{AMIS−30542}
4
10
CPP
C7
220 nF
31
25, 26 ^MOTXP
2
3
21, 22 ^MOTXN
CS
13
CLR
12
M
15, 16 ^MOTYP
ERR
6
SLA
7
19, 20 ^MOTYN
R1
C₈
1 17 18 23 24 29
GND
TSTO
Figure 7. Typical Application Schematic AMIS−30542
Table 8. EXTERNAL COMPONENTS LIST AND DESCRIPTION
Component
Function
Typ Value
Tolerance
Unit
C₁
V_BB Buffer Capacitor (Note 13)
100
−20 +80%
mF
C₂, C₃
V_BB Decoupling Block Capacitor
100
−20 +80%
nF
C₄
V_DD Buffer Capacitor
100
$20%
nF
C₅
V_DD Buffer Capacitor
100
$20%
nF
C₆
Charge Pump Buffer Capacitor
220
$20%
nF
C₇
Charge Pump Pumping Capacitor
220
$20%
nF
C₈
Low Pass Filter SLA
1
$20%
nF
R₁
Low Pass Filter SLA
5.6
$1%
kW
R_2, R_3, R₄
Pullup Resistor Open Drain Output
4.7
$1%
kW
D₁
13. ESR < 1 W.
Optional Reverse Protection Diode
MURD530
http://onsemi.com
10