AMIS-30523 Datasheet, PDF (2/35 Pages) ON Semiconductor – CAN Micro-Stepping Motor Driver

AMIS−30523
BLOCK DIAGRAM
9
CLK
Timebase
24
CS
8
DI
45
DO
NXT ¹⁰
DIR ¹⁷
19
SLA
42
POR /WD
23
CLR
ERR ¹⁸
SPI
VCC
52
TxD
VCC
51
STB
Logic &
Registers
Mode &
wake −up
control
VDD
46
Vreg
CPN CPP VCP
20 ₂₁
22
Chargepump
VBB
POR
OTP
Load
Angle
Temp.
Sense
Band−
gap
EMC
T
R
A
N
I−sense
S
L
A
T
EMC
O
R
I−sense
POR
Thermal
shutdown
Driver
control
38, 39
MOTXP
P
W
M
34, 35
MOTXN
27, 28 _MOTYP
P
W
M
31,32
MOTYN
4 _VCC
V_SPLIT
7 _VSPLIT
48 _CANH
49
CANL
6
RxD
47
GND
GND
Wake−up
Filter
COMP
COMP
AMIS−30523
Figure 1. Block Diagram AMIS−30523
http://onsemi.com
2