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參數(shù)資料
| 型號： | IRMDAC3 |
| 廠商： | International Rectifier |
| 英文描述： | Reference Design Kit: 3-Phase 460VAC 3HP Motor Drive |
| 中文描述： | 參考設(shè)計工具包：三相460VAC功率3HP電機驅(qū)動 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 105K |
| 代理商： | IRMDAC3 |
Brake Function
In order to use the integrated brake switch, an external power resistor should be connected between pins BR and
P of terminal block J5. This resistor should be dimensioned for desired braking performance. Carefully choose the
value of this component to ensure the brake IGBT integrated within the power module remains below its maximum
current capability.
2. Power Module Description
The power module integrates all rectifiers, ultra-fast short circuit rated IGBTs, fast recovery commutation diodes ,
brake IGBT and other processing components needed for a 3HP Motor Drive or other loads requiring a 3-phase
variable frequency and/or PWM drive. Semiconductor dice are mounted on a thermally effecient substrate and
housed within a convenient, potted module. When connected to the host PCB, the power components become
configured as a 3-phase input bridge rectifier, and IGBT inverter with current sensing shunt resistors. An NTC
thermistor is bonded to the substrate to furnish the host PCB with accurate temperature reading. A galvanically
isolated metal backplate provides excellent thermal coupling to an external heatsink, which is necessary for full-
load operation.
Circuit Layout within the module is carefully designed to minimize inductance in the power path, reduce noise
during inverter operation and to improve inverter efficiency. The IR2233 host board should be soldered to the power
module pins to complete the assembly. For detailed electrical specifications, please refer to the power module
datasheet.
IRMDAC3
Reference Design Data Sheet (October 1998)
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