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IRPT1058A Datasheet(PDF) 7 Page - International Rectifier |
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IRPT1058A Datasheet(HTML) 7 Page - International Rectifier |
7 / 12 page IRPT1058 page 7 Mounting, Hookup and Application Instructions Mounting 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 occupy. Recommended heat sink flatners is .001 inch/inch and Total Indicator Readout (TIR) of .003 inch 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 2 M4 mounting screws through the PCB and power module and into the heat sink and tighten the screws to 1 Nm torque. Control Connections All input and output control connections are made via a 16- terminal female connector to J3. Power Connections Single-phase input connections are made to terminals R,S and T (J1). Inverter output terminal connections are made to terminals U,V and W (J2). Power-Up Procedure When single-phase input power is first switched on, PWM inputs to the IRPT1059C must be inhibited (held high) until the protection latch circuitry is reset. To reset this latch before inverter start-up, RESET pin on J3 connector must be pulled down low for at least 2 µsec. This will set the Fault feedback signal on J3 high. Now, the PWM input signals can be applied for inverter start-up. Power-Down Procedure The following sequence is recommended for normal power down: 1. reduce motor speed by PWM control 2. inhibit PWM inputs 3. disconnect main power. 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 123456789012345678901234567890 12 Figure 7a. Control Signal Connector Figure 7b. Input and Output Terminal Blocks Figure 6. Power Module Mounting Screw Sequence |
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Similar Description - IRPT1058A |
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