參數(shù)資料
型號： NCV33035DWR2
廠商： ON SEMICONDUCTOR
元件分類： 運(yùn)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)： 25/28頁
文件大小： 430K
代理商： NCV33035DWR2
MC33035, NCV33035
http://onsemi.com
25
Brush Motor Control
Though the MC33035 was designed to control brushless
DC motors, it may also be used to control DC brush type
motors. Figure 46 shows an application of the MC33035
driving a MOSFET Hbridge affording minimal parts count
to operate a brushtype motor. Key to the operation is the
input sensor code [100] which produces a topleft (Q
1
) and
a bottomright (Q
3
) drive when the controller’s
forward/reverse pin is at logic [1]; topright (Q
4
), bottomleft
(Q
2
) drive is realized when the Forward/Reverse pin is at
logic [0]. This code supports the requirements necessary for
Hbridge drive accomplishing both direction and speed
control.
The controller functions in a normal manner with a pulse
width modulated frequency of approximately 25 kHz.
Motor speed is controlled by adjusting the voltage presented
to the noninverting input of the error amplifier establishing
the PWM’s slice or reference level. Cyclebycycle current
limiting of the motor current is accomplished by sensing the
voltage (100 mV) across the R
S
resistor to ground of the
Hbridge motor current. The over current sense circuit
makes it possible to reverse the direction of the motor, using
the normal forward/reverse switch, on the fly and not have
to completely stop before reversing.
LAYOUT CONSIDERATIONS
Do not attempt to construct any of the brushless motor
control circuits on wirewrap or plugin prototype
boards.
High frequency printed circuit layout techniques
are imperative to prevent pulse jitter. This is usually caused
by excessive noise pickup imposed on the current sense or
error amp inputs. The printed circuit layout should contain
a ground plane with low current signal and high drive and
output buffer grounds returning on separate paths back to the
power supply input filter capacitor V
M
. Ceramic bypass
capacitors (0.1
μ
F) connected close to the integrated circuit
at V
CC
, V
C
, V
ref
and the error amp noninverting input may
be required depending upon circuit layout. This provides a
low impedance path for filtering any high frequency noise.
All high current loops should be kept as short as possible
using heavy copper runs to minimize radiated EMI.
相關(guān)PDF資料
PDF描述
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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(dá)/運(yùn)動/點(diǎn)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(dá)/運(yùn)動/點(diǎn)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(dá)/運(yùn)動/點(diǎn)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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