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參數(shù)資料
| 型號： | NCV33035DWR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 運動控制電子 |
| 英文描述： | Brushless DC Motor Controller |
| 中文描述： | BRUSHLESS DC MOTOR CONTROLLER, 0.1 A, PDSO24 |
| 封裝： | PLASTIC, SOP-24 |
| 文件頁數(shù)： | 16/28頁 |
| 文件大?。?/td> | 430K |
| 代理商： | NCV33035DWR2 |
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MC33035, NCV33035
http://onsemi.com
16
PWM
EA
8
7
11
The SN74LS145 is an open collector BCD to One of Ten decoder. When con-
nected as shown, input codes 0000 through 1001 steps the PWM in incre-
ments of approximately 10% from 0 to 90% ontime. Input codes 1010
through 1111 will produce 100% ontime or full motor speed.
Figure 33. Digital Speed Controller
Figure 34. Closed Loop Speed Control
16
V
CC
Gnd
Q
0
2
40.4 k
8
P0
BCD
Inputs
Q
9
Q
8
Q
7
Q
6
Q
5
Q
4
Q
3
Q2
Q
1
P3
P2
P1
100 k
1
51.3 k
3
4
5
6
7
63.6 k
77.6 k
92.3 k
108 k
9
126 k
11
145 k
166 k
10
5.0 V
S
REF
15
14
13
12
25
μ
A
13
12
13
REF
PWM
EA
8
7
11
12
The rotor position sensors can be used as a tachometer. By differentiating
the positivegoing edges and then integrating them over time, a voltage
proportional to speed can be generated. The error amp compares this volt-
age to that of the speed set to control the PWM.
0.22
1.0 M
0.1
100 k
0.01
10 k
10 k
1.0 M
To Sensor
Input (Pin 4)
25
μ
A
13
REF
PWM
EA
8
7
11
12
This circuit can control the speed of a cooling fan proportional to the difference
between the sensor and set temperatures. The control loop is closed as the
forced air cools the NTC thermistor. For controlled heating applications, ex-
change the positions of R
1
and R
2
.
Figure 35. Closed Loop Temperature Control
T
R
1
R
6
R
5
R
2
R
3
R
4
VB
Vref
R5
R6
1
R3
R5
R6
VPi
n
3
Vref
R3
R1
R4
R2
R2
R3
R4
R3
VB
25
μ
A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCV33035DWR2G | 功能描述:馬達/運動/點火控制器和驅(qū)動器 DC Brushless Motor Controller RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| NCV33035DWR2G-CUT TAPE | 制造商:ON 功能描述:MC Series 40 V Surface Mount Brushless DC Motor Controller - SOIC-24L |
| NCV33039 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Closed Loop Brushless Motor Adapter |
| NCV33039DR2 | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Brushless Closed RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| NCV33039DR2G | 功能描述:馬達/運動/點火控制器和驅(qū)動器 Brushless Closed Loop Motor Adaptor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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