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參數資料
| 型號： | LB11847 |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1.75 A, PDIP28 |
| 封裝： | HEAT SINK, DIP-28 |
| 文件頁數： | 10/15頁 |
| 文件大?。?/td> | 150K |
| 代理商： | LB11847 |
LB11847
No.6183-4/15
Pin Function
Pin number
Pin name
Function descripyion
1
MD
Sets the OFF time for FAST mode and SLOW mode in MIX DECAY.
Setting input range: 4V to 1.5V
2
13
VREF1
VREF2
Output set current reference supply pins.
Setting voltage range: 0V to 3V
3
12
CR1
CR2
Output OFF time setting pins for switching operation.
4
11
E1
E2
Pins for controlling the set current with sensing resistor RE.
5
10
DECAY1
DECYA2
SLOW mode/FAST mode selector pins.
SLOW DECAY : H
FAST DECAY : L
6
7
8
9
OUT A
OUT B
Output pins.
14
VBB
Output stage supply voltage pin.
15
GND
Ground pin.
27
16
PHASE1
PHASE2
Output phase selector input pins.
26
17
ENABLE1
ENABLE2
Output ON/OFF setting input pins.
22, 23
24, 25
21, 20
19, 18
IA4, IA3
IA2, IA1
IB4, IB3
IB2, IB1
Output set current digital input pins.
15-stage voltage setting.
28
VCC
Logic block supply voltage pin.
Truth Table
PHASE
ENABLE
OUT A
H
L
H
L
H
-
H
OFF
Set Current Truth Table
IA4
IA3
IA2
IA1
Set current IOUT
Current ratio (%)
1
11.5/11.5 × VREF/3.04RE = IOUT
100
1
0
11.0/11.5 × VREF/3.04RE = IOUT
95.65
1
0
1
10.5/11.5 × VREF/3.04RE = IOUT
91.30
1
0
10.0/11.5 × VREF/3.04RE = IOUT
86.95
1
0
1
9.5/11.5 × VREF/3.04RE = IOUT
82.61
1
0
1
0
9.0/11.5 × VREF/3.04RE = IOUT
78.26
1
0
1
8.5/11.5 × VREF/3.04RE = IOUT
73.91
1
0
8.0/11.5 × VREF/3.04RE = IOUT
69.56
0
1
7.0/11.5 × VREF/3.04RE = IOUT
60.87
0
1
0
6.0/11.5 × VREF/3.04RE = IOUT
52.17
0
1
0
1
5.0/11.5 × VREF/3.04RE = IOUT
43.48
0
1
0
4.0/11.5 × VREF/3.04RE = IOUT
34.78
0
1
3.0/11.5 × VREF/3.04RE = IOUT
26.08
0
1
0
2.0/11.5 × VREF/3.04RE = IOUT
17.39
* Current ratio (%) is the calculated set current value.
Current Decay Switching Truth Table
Current decay mode
DECAY pin
MD pin
Output chopping
SLOW DECAY
H
L
Upper-side chopping
FAST DECAY
L
Dual-side chopping
MIX DECAY
L
4V to 1.5V input
voltage setting
CR voltage > MD : dual-side chopping
CR voltage < MD : upper-side chopping
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相關代理商/技術參數 |
參數描述 |
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| LB11847_08 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:PWM Current Control Type Stepping Motor Driver |
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