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參數(shù)資料
| 型號： | PBL3770AQNS |
| 廠商： | ERICSSON |
| 英文描述： | ER 3C 3#12 PIN RECP WALL |
| 中文描述： | 高性能步進(jìn)電機(jī)驅(qū)動(dòng)電路 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 140K |
| 代理商： | PBL3770AQNS |
PBL 3770A
4
Figure 3. Pin configurations.
Pin Description
SO
1
2
DIP
1
2
PLCC
10
11
Symbol
M
B
T
Description
Motor output B, Motor current flows from M
A
to M
B
when Phase is high.
Clock oscillator. Timing pin connect a 56 k
resistor and a 820 pF in
parallel between T and Ground.
Motor supply voltage, 10 to 40 V. Pin 3(12) and pin 14(4) should be wired together.
Ground and negative supply. Note these pins are used for heatsinking.
Make sure that all ground pins are soldered onto a suitable large copper
ground plane for efficient heat sinking.
Logic voltage supply normally +5 V.
Logic input. It controls, together with the I0 input, the current level in the output stage.
The controlable levels are fixed to 100, 60, 20, 0%.
Controls the direction of the motor current of M
A
and M
B
outputs.
Motor current flows from M
A
to M
B
when the phase input is high.
Logic input. It controls, together with the I1 input, the current level in the output stage.
The controlable levels are fixed to 100, 60, 20, 0%.
Comparator input. This input senses the instaneous voltage across the sensing
resistor, filtered through a RC Network.
Reference voltage. Controls the threshold voltage of the comparator and hence
the output current. Input resistance: typically 6.8 k
±
20%.
Motor output A, Motor current flows from M
A
to M
B
when Phase is high.
Common emitter. Connect the Sence resistor between this pin and ground.
3
4-7,
14-18
3,14
4,5,
12,13
12,4
1-3,9,
13-17,28
V
MM
GND
8
9
6
7
18
19
V
CC
I
1
10
8
20
Phase
11
9
21
I
0
12
10
23
C
13
11
24
V
R
19
20
15
16
6
8
M
A
E
1
2
3
4
5
6
7
8
9
10
18
17
16
15
14
13
12
11
I1
VR
C
M
B
VCC
T
VMM
GDN
E
Phase
0
19
20
GDN
GDN
GDN
GDN
GDN
GDN
GDN
VMM
M
A
PBL
3770A
I
B
T
MM
GND
GND
CC
1
Phase
E
M
GND
GND
V
C
I
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A
V
MM
R
0
I
V
V
M
PBL
3770A
N/C
A
N/C
E
GND
B
T
N/C
V
C
N/C
I
Phase
I
V
G
G
G
G
N
N
M
V
G
G
G
G
G
C
V
5
6
7
8
9
10
11
25
24
23
22
21
20
19
4
3
2
1
2
2
2
1
1
1
1
1
1
1
M
R
0
1
M
M
PBL
3770A
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