AMIS-30511 Datasheet, PDF (8/28 Pages) ON Semiconductor – Micro-Stepping Motor Driver

V_DD
C5
100 nF
mC
AMIS−30511
100 nF 100 nF 100 nF
D1
R2
R3 ^C4
C2
C3
C1
C6
100 mF
VDD
VBB
VBB
220 nF
VCP
DIR
NXT
DO
DI
CLK
CS
CLR
ERR
SLA
C8
R1
AMIS−30511
CPN
C7
220 nF
CPP
MOTXP
MOTXN
M
MOTYP
MOTYN
TST0
GND
V_BAT
Figure 4. Typical Application Schematic
Table 7. External Components List and Description
Component
Function
Typ. Value
Tolerance
Unit
C₁
V_BB buffer capacitor (Note 8)
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, R₃
Pull up resistor
D₁
Optional reverse protection diode
8. 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
http://onsemi.com
8