Spacer
(KF2-440)
D
IB462He
TI-462H Isolating
Thermal Pad (Included)
H-462 Heat Sink
PCB
#6-32 Threaded
A
B
E
C
H-462 Heat Sink
#6-32
Threaded
A
B
C
Spacer
(Not Supplied)
HY462-CN021
Right Angle Adapter
(Receptacle)
TI-462H Isolating
Thermal Pad (Included)
IB462He Driver
User PCB
M i n i m u m R e q u i r e d C o n n e c t i o n s
1A
1B
1CLR
1Q
2Q
2CX
2RX/CX
GND
VCC
1RX/CX
1CX
1Q
2Q
2CLR
2B
2A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
+5V
+5V
74HC123
221k
+
1µF 25V
Step Clock
IB462H Pin 4
BSS123
0.1µF
R
Red
R
Adj
2k
Current Adjust
IB462H Pin 1
+5V
0.1µF
V
Ref
R e d u c i n g t h e C u r r e n t O u t p u t
T i m i n g
t
CLK
t
S
t
H
t
R
t
RCLK
CLOCK
CW/CCW
HALF/FULL STEP
RESET
T i m i n g P a r a m e t e r s ( M i n i m u m )
t
CLCK
- Clock Time ..................................................................... 0.5 µs
t
S
- Setup Time .......................................................................... 3.5 µs
t
H
- Hold Time ............................................................................. 1 ms
t
RLCK
- Reset to Clock Delay ............................................. 10 µs
t
R
- Reset Time .......................................................................... 10 µs
The diagram above illustrates the minimum connections that are
required to operate the IB462He driver.
M o u n t i n g t h e I B 4 6 2 H e
Heat sinking and the use of the included insulating thermal pad
are
ABSOLUTELY REQUIRED
for the IB462He driver at all power
levels. Below are some examples of mounting configurations.
Direct PCB Mounting
P i n C o n f i g u r a t i o n
For More Information:
See the complete IB462He Product Manual
on the IMS Product CD or at www.imshome.com
Current Adjust / Reduction Circuit
I
Run
R
Adj
= 2000 x ------------------
(10 - I
Run
)
I
Run
x I
Hold
R
Red
= 2000 x ------------------
(I
Run
- I
Hold
)
I
Hold
is the desired holding current. The
range is 0A to 2A per phase.
I
Run
is the desired running current.
The range is 0.1A to 2A per phase.
Direction Input
Current Adjustment
Voltage (0 - 1.0V)
Step Clock Input
Phase B
Phase A
Phase B
Phase A
0.1µF
100V
150µF for each Amp Peak
Output Current 60V Electrolytic
+5 V
22µF 10V
Tantalum
MOTOR
SUPPLY
LOGIC
SUPPLY
+V
GND
GND
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
I B 4 6 2 H e O p t i o n s a n d A c c e s s o r i e s
INT-462 ........................................................... Interface Board
H - 4 6 2 H ........................................................... Heat Sink
TI-462H ........................................................... Isolating Thermal Pad
H Y 4 6 2 - C N 0 2 1 ......................................... 21 Pin Right Angle Connector
M B - 2 1 .............................................................. “L” Mounting Bracket
O S C - 4 6 2 H .................................................... Analog Speed Control Board
OSC-CC100-000 ..................................... Parameter Setup Cable
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PCB Mounting with
a Receptacle
WARNING!
The mounting surface of the Heat Sink must be a smooth,
flat surface with no burrs, protrusions, cuttings, or other foreign objects.
The torque specification for the mounting screws is 5.0 to 7.0 lb-in
(0.60 to 0.80 N-m)
C o n n e c t i n g t h e M o t o r
MAXIMUM
Motor Inductance (mH/Phase) =
0.2 x Minimum Supply Voltage
PHASE B
PHASE B
PHASE B
PHASE B
NO CONNECTION
PHASE A
PHASE A
PHASE A
PHASE A
NO CONNECTION
H a l f C o i l C o n f i g u r a t i o n
M o t o r P e a k C u r r e n t =
R a t e d A m p s / P h a s e x 1 . 4
4 L e a d M o t o r s
PHASE A
PHASE A
PHASE A
PHASE A
PHASE B
PHASE B
PHASE B
PHASE B
M o t o r P e a k C u r r e n t =
R a t e d A m p s / P h a s e x 1 . 4
PHASE A
PHASE A
PHASE A
PHASE A
PHASE B
PHASE B
PHASE B
PHASE B
P a r a l l e l C o n n e c t i o n
Motor Peak Current =
Rated Amps/Phase x 2
or
Motor Peak Current =
Bipolar Current Rating x 1.4
8 L e a d M o t o r s
PHASE A
PHASE A
PHASE A
PHASE A
PHASE B
PHASE B
PHASE B
PHASE B
S e r i e s C o n n e c t i o n
Motor Peak Current =
Rated Amps/Phase
or
Motor Peak Current =
Bipolar Current Rating x 1.4
6 L e a d M o t o r s
PHASE A
PHASE A
PHASE A
PHASE A
NO CONNECTION
PHASE B
PHASE B
PHASE B
PHASE B
NO CONNECTION
F u l l C o i l C o n f i g u r a t i o n
M o t o r P e a k C u r r e n t =
R a t e d A m p s / P h a s e
