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參數(shù)資料
| 型號： | MC33039D |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | CLOSED LOOP BRUSHLESS MOTOR ADAPTER |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | PLASTIC, SO-8 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 139K |
| 代理商： | MC33039D |
MC33039
3
MOTOROLA ANALOG IC DEVICE DATA
Figure 1. Typical Three Phase, Six Step Motor Application
fout Output
Latch Set Input
φ
A Output
φ
C
120
°
Sensor
Electrical
Phasing
Input
φ
B
RT/CT
φ
C
60
°
Sensor
Electrical
Phasing
Input
φ
B
φ
A
φ
A
Vout (AVG)
Constant Motor Speed
Increasing Motor
Speed
Vth
≈
0.67 VCC
240
60
120
300
720
600
0
Rotor Electrical Position (Degrees)
180
360
480
OPERATING DESCRIPTION
The MC33039 provides an economical method of
implementing closed–loop speed control of brushless DC
motors by eliminating the need for a magnetic or optical
tachometer. Shown in the timing diagram of Figure 1, the
three inputs (Pins 1, 2, 3) monitor the brushless motor rotor
position sensors. Each sensor signal transition is digitally
detected, OR ed at the Latch Set Input, and causes CT to
discharge. A corresponding output pulse is generated at fout
(Pin 5) of a defined amplitude, and programmable width
determined by the values selected for RT and CT (Pin 6). The
average voltage of the output pulse train increases with
motor speed. When fed through a low pass filter or integrator,
a DC voltage proportional to speed is generated. Figure 2
shows the proper connections for a typical closed loop
application using the MC33035 brushless motor controller.
Constant speed operation down to 100 RPM is possible with
economical three phase four pole motors.
The
φ
A inverter output (Pin 4) is used in systems where the
controller and motor sensor phasing conventions are not
compatible. A method of converting from either convention to
the other is shown in Figure 3. For a more detailed
explanation of this subject, refer to the text above Figure 39
on the MC33035 data sheet.
The output pulse amplitude VOH is constant with
temperature and controlled by the supply voltage on VCC
(Pin 8). Operation down to 5.5 V is guaranteed over
temperature. For systems without a regulated power supply,
an internal 8.25 V shunt regulator is provided.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33039DG | 功能描述:馬達(dá)/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 |
| MC33039DR2 | 功能描述:馬達(dá)/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 |
| MC33039DR2G | 功能描述:馬達(dá)/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 |
| MC33039P | 功能描述:馬達(dá)/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 |
| MC33039PG | 功能描述:馬達(dá)/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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