AMIS-30512 Datasheet, PDF (9/30 Pages) ON Semiconductor – Micro-Stepping Motor Driver

C5
100 nF
mC
AMIS−30512
100 nF 100 nF 100 nF
D1
R2
R3 R4 ^C4
C2
C3
C1
C6
100 mF
VDD
VBB
VBB
220 nF
POR/WD
DIR
VCP
CPN
C7
NXT
DO
DI
CLK
AMIS−30512
220 nF
CPP
MOTXP
MOTXN
CS
CLR
M
MOTYP
ERR
SLA
MOTYN
C8
R1
GND
V_BAT
Figure 6. Typical Application Schematic
Table 7. External Components List and Description
Component
Function
Typ. Value
Tolerance
Unit
C₁
V_BB buffer capacitor (Note 6)
C₂, C₃
V_BB decoupling block capacitor
C₄
V_DD buffer capacitor
C₅
V_DD buffer capacitor
C₆
Charge pump buffer capacitor
C₇
Charge pump pumping capacitor
C₈
Low pass filter SLA
R₁
Low pass filter SLA
R_2, R_3, R₄
Pull up resistor
D₁
Optional reverse protection diode
6. Low ESR < 1 Ohm.
100
−20 +80%
mF
100
−20 +80%
nF
220
±20%
nF
100
±20%
nF
220
±20%
nF
220
±20%
nF
1
±20%
nF
5.6
±1%
kW
4.7
±1%
kW
e.g. 1N4003
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