Table of Contents
Advertisement
DX-SX1H
IC503 VHiTB6504F+-1: Stepping Motor Driver (TB6504F)
Pin No.
Terminal Name
1
CK1
2, 3
M1, M2
4
REF IN
5*
MO
6*
NC
7
VCC
8
VMB
9
øB
10
PG-B
11
NFB
12
øB
13
øA
14*
NFA
15
PG-A
16
øA
17
VMA
18*
NC
19
S-GND
20
RESET
21
ENABLE
22
OSC
23
CW/CCW
24
CK2
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
2
M1
3
M2
DECODER
23
CW/CCW
1
CK1
24
CK2
20
RESET
21
ENABLE
OSC
22
O S C
4
REF IN
MAXIMUM
CURRENT
SELECTOR
CIRCUIT
19
SG
(SIGNAL GROUND)
Clock signal input
Excitation mode set terminal
Output reference value (VNF) set terminal H: VNF=0.5V, L: VNF=0.25V
Monitor output L: Initial condition
Not used
Logic side power terminal
Output side power terminal
B output
Power ground
B channel current detection terminal
B output
A output
A channel current detection terminal
Power ground
A output
Output side power terminal
Not used
Signal ground
Reset signal input
Enable signal input
Internal oscillation frequency set terminal. Capacitor is externally mounted.
Clockwise/counterclockwise input
Clock signal input
VCC
MO
7
5
DECODER
ENABLE
RESET
+
+
SET CURRENT
VALUE SELECTOR
CIRCUIT
DECODER
ENABLE
RESET
DECODER
+
SET CURRENT
+
VALUE SELECTOR
CIRCUIT
15
PG-A
(POWER
GROUND A)
Figure 48 BLOCK DIAGRAM OF IC
Function
YMA
17
16
ØA
BRIDGE
13
ØA IA
REF IN
DRIVER
14
NFA
8
VMB
12
ØB
BRIDGE
9
ØB IB
DRIVER
11
NFB
10
PG-B
(POWER
GROUND B)
– 48 –
CK1
1
M1
2
M2
3
4
MO
5
NC
6
VCC
7
VMB
8
ØB
9
PG-B
10
NFB
11
ØB
12
CK2
24
CW/CCW
23
OSC
22
ENABLE
21
RESET
20
S-GND
19
NC
18
VMA
17
ØA
16
PG-A
15
NFA
14
ØA
13
Advertisement
Table of Contents
