the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. QC962 a/1-2008 page 1 of 2 QC962 hybrid integrated igbt driver QC962 is a hybrid integrated igbt driver designed for driving n-channel igbt modules in any gate amplifier application. the device provides the required electrical isolation between input and output with the opto-coupler. short circuit protection is provided by a built-in desaturation detector. a fault signal is provided if the short circuit protection is activate. absolute maximum ratings item test conditions limit units v cc 18 v supply voltage* v ee dc -15 v input voltage v i between pin13 and pin14 -1~+7 v output voltage v o output voltage h v cc v i g on +5 a output current i g off pulse width 2 s frequency f=20khz -5 a isolation voltage v iso sine wave voltage 50hz 60hz,1 min. 3750 v junction temperature t j 150 c operation temperature t op -20~+70 c storage temperature t st -40~+125 c fault output current i fo 20 ma input voltage v r1 pin 1 voltage 50 v notes: 1. ta=25 c unless otherwise specified. 2. *20v the copyright and authority for the interpretation of the products are reserved by mornsun specifications subject to change without notice. QC962 a/1-2008 page 2 of 2 application examples application notes 1 2 5 4 6 ctrip d1 dz1 vcc + - v ee + - rg 4.7k 8 14 13 vin QC962 100uf 100uf ttl compatible input interface f=20khz duty:50% v cc =15v v in =5v v ee =10v r g =3.1 ctrip=0~3300pf d 1 :fast recovery diode(trr 0.2 s) outline drawing 0.5 0.1 3 . 0 m i n 33.02 2.54 10max 51max 13x2.54 0.25 0.05 2 5 . 0 m a x 10 1 1314 pin function: pin number description 1 fault detect 2 reaction time 4 power supply(+) 5 drive output 6 power supply(-) 8 fault signal output 13 drive signal input(-) 14 drive signal input(+) 3, 7, 9, 10 not connected 1. the igbt gate- emitter drive loop wiring must be shorter than one meter. 2. the igbt gate-emitter drive loop wiring should be twisted. 3. if large voltage spike is generated at the collector of the igbt, increase the igbt gate resistor. 4. pin3,7,9,10 are used only for the test circuit and not be connected with the application circuit. 5. the external blocking capacitors must be connected as close as possible to the driver s pin. 6. peak reverse voltage of t he diode d1 must be higher than the peak value of the igbt collector voltage. 7. the distance between the capacitor ctrip and pin2-4 should be as short as possible(max.5cm) 8. pin1 voltage could be high due to the reverse recovery characteristic of the diode d 1 and the 30v zener diode dz1 is connected between pin1 and pin6 for protecting the driver.
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