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參數(shù)資料
| 型號(hào)： | MC3PHACVP |
| 廠商： | MOTOROLA INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 3-Phase AC Motor Controller |
| 中文描述： | AC MOTOR CONTROLLER, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數(shù)： | 21/44頁 |
| 文件大小： | 724K |
| 代理商： | MC3PHACVP |
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MC3PHAC/D
Operation
MOTOROLA
3-Phase AC Motor Controller
21
Standalone Operation
If the VBOOST_MODE pin is high when the MC3PHAC is powered up, or after
a reset, the MC3PHAC enters standalone mode. In this mode of operation, the
functionality of many of the MC3PHAC pins change so that the device can
control a motor without requiring setup information from an external master.
When operated in standalone mode, the MC3PHAC will drive certain pins
corresponding to parameters which must be specified, while simultaneously
monitoring the response on other pins.
In many cases, the parameter to be specified is represented as an analog
voltage presented to the MUX_IN pin, while certain other pins are driven low.
In so doing, the MC3PHAC can accommodate an external analog mux which
will switch various signals on the MUX_IN pin when the signal select line goes
low. All signals must be in a range between 0 V and V
REF
. As an economical
alternative, an external passive network can be connected to each of the
parameter select output pins and the MUX_IN pin, as shown in
Figure 8
.
The Thevenin equivalent impedance of this passive network as seen by the
MUX_IN pin is very important and should be in the range of 5 k
to 10 k
. If
the resistance is too high, leakage current from the input/output (I/O) pins will
cause an offset voltage that will affect the accuracy of the reading. If the
resistance is too low, the parameter select pins will not be able to sink the
required current for an accurate reading. Using a pullup resistor value of 6.8 k
(as indicated in
Figure 8
), the resulting value for each parameter as a function
of the corresponding pulldown resistor value is shown in
Figure 9
,
Figure 10
,
Figure 11
, and
Table 4
.
The START
input pin is debounced internally and a switch can be directly
accommodated on this pin. The input is level sensitive, but a logic 1 level must
exist on the pin before a logic 0 level will be processed as a start signal. This
will prevent an accidental motor startup in the event of the MC3PHAC being
powered up, where the switch was left in the start position.
The FWD input pin is debounced internally and can directly accommodate a
switch connection. The input is also level sensitive.
Figure 8
shows the jumper arrangement connected to the
PWMPOL_BASEFREQ input pin. For proper operation, one and only one
jumper connection can be made at any given time.
Table 3
shows the polarity
and base frequency selections as a function of the jumper connection.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相關(guān)代理商/技術(shù)參數(shù) |
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| MC3PHACVPE | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 8BIT MCU 8K FLASH OTP 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 |
| MC3S12C128 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16-Bit Microcontroller |
| MC3S12C32 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16-Bit Microcontroller |
| MC3S12C64 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16-Bit Microcontroller |
| MC3S12C96 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:16-Bit Microcontroller |
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