2-19
2-20
IC503 VHi-1: Stepping Motor Driver (TB6504F)
1
CK1
Clock signal input
2, 3
M1, M2
Excitation mode set terminal
4
REF IN
Output reference value (VNF) set terminal H: VNF=0.5V, L: VNF=0.25V
5*
MO
Monitor output L: Initial condition
6*
NC
Not used
7
VCC
Logic side power terminal
8
VMB
Output side power terminal
9
ø
B
B output
10
PG-B
Power ground
11
NFB
B channel current detection terminal
12
ø
B
B output
13
ø
A
A output
14*
NFA
A channel current detection terminal
15
PG-A
Power ground
16
ø
A
A output
17
VMA
Output side power terminal
18*
NC
Not used
19
S-GND
Signal ground
20
RESET
Reset signal input
21
ENABLE
Enable signal input
22
OSC
Internal oscillation frequency set terminal. Capacitor is externally mounted.
23
CW/CCW
Clockwise/counterclockwise input
24
CK2
Clock signal input
Pin No.
Terminal Name
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
7
VCC
5
MO
17
16
13
YMA
¯A
¯A IA
14
NFA
8
VMB
12
9
¯B
11
10
NFB
¯B IB
PG-B
(POWER
GROUND B)
15
PG-A
(POWER
GROUND A)
19
4
SG
(SIGNAL GROUND)
REF IN
22
OSC
21
ENABLE
20
RESET
24
CK2
23
CW/CCW
1
CK1
3
M2
2
M1
O S C
+
+
+
+
BRIDGE
DRIVER
ENABLE
RESET
BRIDGE
DRIVER
ENABLE
RESET
DECODER
DECODER
DECODER
DECODER
SET CURRENT
VALUE SELECTOR
CIRCUIT
SET CURRENT
VALUE SELECTOR
CIRCUIT
MAXIMUM
CURRENT
SELECTOR
CIRCUIT
CK1
M1
M2
REF IN
MO
NC
VCC
VMB
¯B
PG-B
NFB
¯B
CK2
CW/CCW
OSC
ENABLE
RESET
S-GND
NC
VMA
¯A
PG-A
NFA
¯A
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
IC504 RH-iX2842AFZZ: Spindle Motor Driver (IX2842AF)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Terminal
Name
Function
Pin No.
Terminal
Name
Function
1
PG
Power GND terminal
15
SG
Signal GND terminal
2
H1+
Hall element 1 positive input terminal
16
VCC
Power terminal
3
H1-
Hall element 1 negative input terminal
17
ECR
Torque instruction reference input terminal
4*
NC
Not used
18
EC
Torque instruction input terminal
5
H2+
Hall element 2 positive input terminal
19*
NC
Not used
6
H2-
Hall element 2 negative input terminal
20
PCI
Current feedback phase compensating terminal
7
VH
Hall bias terminal
21
VM
Motor power terminal
8
H3+
Hall element 3 positive input terminal
22
CS1
Current detection terminal 1
9
H3-
Hall element 3 negative input terminal
23*
NC
Not used
10
SS
Start/Stop switching terminal
24*
NC
Not used
11*
TFLG
Thermal protection monitor terminal
25*
NC
Not used
12
FG
FG signal output terminal
26
A3
Drive output 3
13
BRK
Break mode set terminal
27
A2
Drive output 2
14*
NC
Not used
28
A1
Drive output 1
2
H1+
3
H1-
5
H2+
8
H3+
6
H2-
9
H3-
7
VH
18
EC
17
10
ECR
S/S
16
Vcc
20
PCI
13
BRK
11
TSDF
12 FG
1 PG
26 A3
27 A2
28 A1
22 CS1
21 VM
15
SG
ER
EA
VTL
EP=ER x EA
FG
COMPARATOR
+ -
MATRIX HALL AMPLIFIER
DETE-
CTION
DIRECTION
DETECTION
DIRECTION SWITCHING
UPPER-SIDE
DISTRIBUTION
AMPLIFICATION
AMPLIFICATION
LOWER-SIDE
DISTRIBUTION
HALL BIAS
LOGIC
ABSOLUTE
VALUE
START/
STOP
THERMAL
PROTECTION
CIRCUIT
BREAK
CIRCUIT
Содержание F1N
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