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參數(shù)資料
| 型號： | PBL3770ASOS |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.8 A, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 140K |
| 代理商： | PBL3770ASOS |
PBL 3770A
4
Figure 3. Pin configurations.
Pin Description
SO
DIP
PLCC
Symbol
Description
11
10
M
B
Motor output B, Motor current flows from M
A to MB when Phase is high.
2
11
T
Clock oscillator. Timing pin connect a 56 k
resistor and a 820 pF in
parallel between T and Ground.
3
3,14
12,4
V
MM
Motor supply voltage, 10 to 40 V. Pin 3(12) and pin 14(4) should be wired together.
4-7,
4,5,
1-3,9,
GND
Ground and negative supply. Note these pins are used for heatsinking.
14-18
12,13
13-17,28
Make sure that all ground pins are soldered onto a suitable large copper
ground plane for efficient heat sinking.
86
18
V
CC
Logic voltage supply normally +5 V.
97
19
I
1
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%.
10
8
20
Phase
Controls the direction of the motor current of M
A and MB outputs.
Motor current flows from M
A to MB when the phase input is high.
11
9
21
I
0
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%.
12
10
23
C
Comparator input. This input senses the instaneous voltage across the sensing
resistor, filtered through a RC Network.
13
11
24
V
R
Reference voltage. Controls the threshold voltage of the comparator and hence
the output current. Input resistance: typically 6.8 k
± 20%.
19
15
6
M
A
Motor output A, Motor current flows from M
A to MB when Phase is high.
20
16
8
E
Common emitter. Connect the Sence resistor between this pin and ground.
1
2
3
4
5
6
7
8
9
10
18
17
16
15
14
13
12
11
I1
VR
M
B
VCC
T
VMM
GDN
E
Phase
0
C
19
20
GDN
VMM
M
A
PBL
3770A
I
B
T
MM
GND
CC
1
Phase
E
M
GND
V
C
I
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A
VMM
R
0
I
V
M
PBL
3770A
N/C
A
N/C
E
GND
B
T
N/C
V
C
N/C
I
Phase
I
V
GND
N/C
MM
GND
CC
5
6
7
8
9
10
11
25
24
23
22
21
20
19
4
3
2
1
28
27
26
12
13
14
15
16
17
18
MM
R
0
1
V
M
PBL
3770A
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