IR2238Q

Data Sheet No. PD60229 IR2238Q Features 3-PHASE AC Motor Controller IC Floating channel up to +1200V “soft” over-current shutdown turns off output Integrated desaturation circuit 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 IO+/- (min.) VOUT Brake (Io+/- min) 1200V max. 220mA/460mA 12.5V - 20V 40mA/80mA Deadtime Asymmetry Skew (max.) 145nsec Deadtime (typ. with RDT=39kΩ) 1µsec DESAT Blanking time (typ.) 3.0µsec Description The IR2238Q is a 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. Soft shutdown is predominantly initiated in the event of overcurrent followed by turn-off of all six outputsf. 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 volts *seconds measurement. DSH, DSL input voltage threshold (typ.) Soft shutdown duration time (typ.) Voltage feedback matching delay time (max.) Package 64-Lead MQFP 8.0V...