AMIS-30521 데이터 시트보기 (PDF) - ON Semiconductor
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AMIS-30521 Datasheet PDF : 28 Pages
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AMIS−30521, NCV70521
VDD
CPN CPP VCP
VBB
CLK
Timebase
Charge Pump
CS
DI
DO
NXT
DIR
SLA
CLR
ERR
POR
EMC
SPI
OTP
I−sense
Logic &
Registers
Load
Angle
EMC
Temp.
Sense
I−sense
Band− AMIS−30521/NCV70521
gap
HV20081114.3
TST0
GND
Figure 1. Block Diagram AMIS−30521/NCV70521
Table 1. PIN DESCRIPTION
Name
Pin
Description
GND
1
Ground
DI
CLK
NXT
DIR
ERR
2
SPI Data In
3
SPI Clock Input
4
Next Micro−Step Input
5
Direction Input
6
Error Output (Open Drain)
SLA
7
Speed Load Angle Output
/
8
No Function (to be Tied to Ground)
CPN
CPP
VCP
CLR
CS
VBB
MOTYP
9
10
11
12
13
14
15, 16
Negative Connection of Charge Pump Capacitor
Positive Connection of Charge Pump Capacitor
Charge−Pump Filter−Capacitor
“Clear” = Chip Reset Input
SPI Chip Select Input
High Voltage Supply Input
Positive End of Phase Y Coil Output
GND
MOTYN
MOTXN
GND
MOTXP
VBB
/
17, 18
19, 20
21, 22
23, 24
25, 26
27
28
Ground
Negative End of Phase Y coil Output
Negative End of Phase X coil Output
Ground
Positive End of Phase X Coil Output
High Voltage Supply Input
No Function (Has to be Left Open in Normal Condition)
TST0
29
Test pin input (to be Tied to Ground in Normal Operation)
/
30
No Function (to be Tied to Ground)
DO
31
SPI Data Output (Open Drain)
VDD
32
Logic Supply Input (Needs External Decoupling Capacitor)
Type
Supply
Digital Input
Digital Input
Digital Input
Digital Input
Digital Output
Analog Output
High Voltage
High Voltage
High Voltage
Digital Input
Digital Input
Supply
Driver Output
Supply
Driver Output
Driver Output
Supply
Driver Output
Supply
Digital Input
Digital Output
Supply
MOTXP
MOTXN
MOTYP
MOTYN
Equivalent Schematic
Type 2
Type 2
Type 2
Type 2
Type 4
Type 5
Type 1
Type 2
Type 3
Type 3
Type 4
Type 3
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