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參數(shù)資料
| 型號： | PWR-82331-860L |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 50 A, DMA26 |
| 文件頁數(shù)： | 13/17頁 |
| 文件大小： | 631K |
| 代理商： | PWR-82331-860L |
5
Data Device Corporation
www.ddc-web.com
PWR-82331 and PWR-82333
P-02/05-0
BIAS VOLTAGES
The PWR-82331/82333 motor drive hybrids require only a single
power supply for operation. The hybrid generates three indepen-
dent floating supplies, eliminating the need for external bias volt-
ages for each phase.
In order for the internal power supply to generate these voltages,
the input bias voltage (Vb) must be from +15 to +50 Vdc. In most
avionic systems this can be accomplished by connecting the Vb
pin to the MIL-STD-704D, +28 Volt bus. See FIGURE 3A.
If the system bus voltage is greater than +50 Vdc (and a lower
voltage is not available), then the Vb pin and Vz pin can be tied
together with an external power resistor (Rb) and connected
from these pins to the system power bus. (See FIGURE 3B).
See FIGURES 4 and 5 for bias resistor characteristics.
If additional power dissipation in Rb is a concern, FIGURE 3C
shows a more efficient design, using a low-power resistor (RT)
and an additional transistor. To determine the proper resistor to
use, refer to FIGURE 6.
If there is another voltage available in the system in the +15 to
+50 Vdc range, then this voltage can be directly connected to the
Vb pin of the hybrid.
In any case, a 0.01 mF decoupling capacitor (Cb) must be
connected between Vb (pin 12) and GND.
≤
CC
FIGURE 3. CONNECTION TO BUS VOLTAGE TO DEVELOP PROPER INPUT BIAS VOLTAGE
50
CC
FIGURE 4A. PWR-82331
FIGURE 4B. PWR-82333
FIGURE 4. BIAS RESISTOR VALUE (Rb) VS. BUS VOLTAGE (VCC)
相關(guān)PDF資料 |
PDF描述 |
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| PWR-82333-110L | BRUSHLESS DC MOTOR CONTROLLER, 50 A, DMA26 |
| PWR-82333-820Q | BRUSHLESS DC MOTOR CONTROLLER, 50 A, DMA26 |
| PWR-82331-220 | BRUSHLESS DC MOTOR CONTROLLER, 50 A, DMA26 |
| PWR-82331-510L | BRUSHLESS DC MOTOR CONTROLLER, 50 A, DMA26 |
| PWR-82331-530 | BRUSHLESS DC MOTOR CONTROLLER, 50 A, DMA26 |
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| PWR-82332 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Drives (Power Amplifiers)|3-Phase Bridge Drive. Flat Pack Hybrid with Formed Leads |
| PWR-82332-100 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
| PWR-82332-110 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
| PWR-82332-120 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
| PWR-82332-300 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DC Motor Controller/Driver |
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