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IR21381QPBF Dataheets PDF



Part Number IR21381QPBF
Manufacturers International Rectifier
Logo International Rectifier
Description 3-PHASE AC MOTOR CONTROLLER IC
Datasheet IR21381QPBF DatasheetIR21381QPBF Datasheet (PDF)

www.DataSheet4U.com Data Sheet PD60232 revC IR22381QPBF/IR21381Q(PbF) 3-PHASE AC MOTOR CONTROLLER IC Features • • • • • • • • • • • • Floating channel up to +600V or +1200V “soft” over-current shutdown turns off desaturated output Integrated desaturation circuit Active biasing on sensing desaturation input Two stage turn on output for di/dt control Integrated brake IGBT driver with protection Voltage feedback sensing function Separate pull-up/pull-down output drive pins Matched delay outputs U.

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www.DataSheet4U.com Data Sheet PD60232 revC IR22381QPBF/IR21381Q(PbF) 3-PHASE AC MOTOR CONTROLLER IC Features • • • • • • • • • • • • Floating channel up to +600V or +1200V “soft” over-current shutdown turns off desaturated output Integrated desaturation circuit Active biasing on sensing desaturation input Two stage turn on output for di/dt control Integrated brake IGBT driver with protection Voltage feedback sensing function Separate pull-up/pull-down output drive pins Matched delay outputs Under voltage lockout with hysteresis band Programmable deadtime Hard shutdown function Product Summary VOFFSET (max) IO +/- (min.) VOUT Brake (IO +/- min.) Deadtime Asymmetry Skew (max.) Deadtime (typ. with RDT=39KΩ) DESAT Blanking time (typ.) DESAT filter time (typ.) Active bias on Desat input pin DSH, DSL input voltage threshold (typ.) Soft shutdown duration time (typ.) Voltage feedback matching delay time (max.) 600V or 1200V 220mA / 460mA 12.5V-20V 40mA/80mA 125nsec 1µsec 4.5µsec 3.0µsec 90Ω 8.0V 6.0µsec 400nsec Description The IR22381Q and IR21381Q are high voltage, 3-phase IGBT driver best suited for AC motor drive applications. Integrated desaturation logic provides all mode of overcurrent protection, including ground fault protection. The sensing desaturation input is provided by active bias stage to reject noise. Soft shutdown is predominantly initiated in the event of overcurrent followed by turnoff of all six outputs. A shutdown input is provided for a customized shutdown function. The DT pin allows external resistor to program the deadtime. Output drivers have separate turn on/off pins with two stage turn-on output to achieve the desired di/dt switching level of IGBT. Voltage feedback provides accurate volt x second measurement. Package 64-Lead MQFP w/o 13 leads Typical Connection 15V 3 VCC 3 To controller IR22381QPBF DC bus VFH1,2,3 VFL1,2,3 DSB VS1,2,3 DSL1,2,3 LOP1,2,3 LOQ1,2,3 LON1,2,3 COM U V W (Refer to Lead Assignments for correct pin configuration. This diagram shows electrical connections only) BR DT VSS 1 To motor LIN1,2,3 HIN1,2,3 FAULT BRIN SD VB1,2,3 DSH1,2,3 HOP1,2,3 HOQ1,2,3 HON1,2,3 www.DataSheet4U.com IR22381QPBF/IR21381Q(PbF) Absolute Maximum Ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to VSS, all currents are defined positive into any lead. The thermal resistance and power dissipation ratings are measured under board mounted and still air conditions. Symbol VS VB VHO VCC COM VLO VIN VFLT VF VDSH VDSL VBR dVs/dt PD RthJA TJ TS TL Definition High side offset voltage Min. Max. Units VB 1,2,3 - 25 VB 1,2,3 + 0.3 (IR22381) -0.3 1225 High side floating supply voltage (IR21381) -0.3 625 High side floating output voltage (HOP, HON, HOQ) VS1,2,3 - 0.3 VB 1,2,3 + 0.3 Low side and logic fixed supply voltage -0.3 25 Power ground VCC - 25 VCC + 0.3 Low side output voltage (LOP, LON, LOQ) VCOM -0.3 .


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