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参数资料
| 型号： | IRPT4052 |
| 厂商： | International Rectifier |
| 英文描述： | Integrated Power Stage for 5.5kW Motor Drives(5.5kW 马达驱动器的集成功率单元) |
| 中文描述： | 集成功率级的功率5.5kw电机驱动器（功率5.5kw马达驱动器的集成功率单元） |
| 文件页数： | 7/12页 |
| 文件大小： | 174K |
| 代理商： | IRPT4052 |
page 7
IRPT 4052
Mounting, Hookup and Application Instructions
Mounting
Unless supplied connected, first connect the IRPT4052D and the
IRPT4052A power assembly.
1. Remove all particles and grit from the heat sink and power
substrate.
2. Spread a .004" to .005" layer of silicone grease on the heat
sink, covering the entire area that the power substrate will oc-
cupy. Recommended heat sink flatness is .001 inch/inch and
Total Indicator Readout (TIR) of .005" below substrate.
3. Place the power substrate onto the heat sink with the
mounting holes aligned and press it firmly into the silicone
grease.
4. Place the 5 M5 mounting screws through the PCB and
power substrate and into the heat sink and tighten with fingers.
5. Tighten the screws to 2 Nm torque, according to the se-
quence shown in figure 6.
6. Re-tighten the screws to 4-5 Nm using the same sequence
as in step 5.
Figure 6. Power Assembly Mounting Screw Sequence
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Control Connections
All input and output connections are made via a female connec-
tor to CN6.
Power Connections
3-phase input connections are made to terminals R, S and T. In-
verter output terminal connections are made to terminals U, V
and W. Positive and negative DC bus connections are brought
out to terminals P (positive) and N (negative). An external brak-
ing circuit can be connected across terminals P and N.
Logic Sequence During Power-Up
When 3-phase input power is first switched on, PWM inputs to
the IRPT4052 must be inhibited until all the following logic con-
ditions are met:
1. external 15V supply is established
2. UV feedback signal is low, indicating local power supply
for gate drive circuits is established
3. K1FB signal is high, indicating capacitor precharge relay is
energized.
When these conditions are simultaneously met, a 15V RESET
pulse should be applied to the RESET input.
PWM input signals can now be released to the IRPT4052. The
first PWM input signals to each of the lower IGBT inputs (IN2,
IN4, IN6) should have at least 50μs duration, to allow the boot-
strap capacitors to charge.
Logic Sequence During Power-Down
The following sequence is recommended for normal power
down:
1. reduce motor speed to zero by PWM control
2. inhibit PWM inputs
3. disconnect main power
Figure 7a. Control Signal Connector
Figure 7b. Input and Output Terminal Blocks
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相关代理商/技术参数 |
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| IRPT5051 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| IRPT5051A | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| IRPT5051C | 制造商:IRF 制造商全称:International Rectifier 功能描述:Integrated Power Stage for 15 hp Motor Drives |
| IRPT5051D | 制造商:IRF 制造商全称:International Rectifier 功能描述:Integrated Power Stage for 15 hp Motor Drives |
| IRPT5051E | 制造商:IRF 制造商全称:International Rectifier 功能描述:Integrated Power Stage for 15 hp Motor Drives |
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