AMIS-30522 Datasheet, PDF (7/29 Pages) AMI SEMICONDUCTOR – Micro-stepping Motor Driver

AMIS-30522
CS
0,2 VCC
tSET_CSB
tCLK
tSET_CLK
0,2 VCC
CLK
DI
0,2 VCC
tSET_DI
0,8 VCC
tCLK_HI
tHOLD_DI
tCLK_LO
0,8 VCC
VALID
0,2 VCC
Figure 4: SPI Timing
PC20070608.1
7.0 Typical Application Schematic
Figure 5: Typical Application Schematic AMIS-30522
Table 8: External Components List and Description
Component
C₁
Function
V_BB buffer capacitor ⁽¹⁾
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
R₂, R₃, R₄
Pull up resistor open drain output
D₁
Notes:
Optional reverse protection diode
1. Low ESR < 1Ohm.
Typ. Value
100
100
220
100
220
220
1
5.6
4,7
e.g. 1N4003
Tolerance
-20 +80%
-20 +80%
+/- 20 %
+/- 20%
+/- 20%
+/- 20%
+/- 20%
+/- 1%
+/- 1%
Rev. 2 | Page 7 of 29 | www.onsemi.com
Unit
μF
nF
nF
nF
nF
nF
nF
kΩ
kΩ