Igbt gate drive calculator kaizer power electronics. A gate driver ic serves as the interface between control signals digital or analog controllers and power switches igbts, mosfets, sic mosfets, and gan. Using isolated gate drivers for mosfet, igbt and sic applications. Connection between gate driver and igbt module the gate driver must be located very close to the igbt module to minimize stray inductance between the gate driver and igbt module. If the ix6611 gate driver is used to drive an igbt and a negative voltage source is required, logic signals. New intelligent configuration tool available for download. The gate current calculated is the minimum average output current i outavg of the driver output stage per channel. An4507 gate drive considerations for maximum igbt efficiency application note replaces september 2000 version, an45073. Igbt and scr gate driver boards to control high power semiconductors. Bg2a is a fully isolated two channel gate drive circuit designed for use with dual igbt modules. Although designed for driving discrete and module igbts, this device offers a cost effective solution for driving power mosfets and bipolar. Jun 28, 2011 i am using a igbt gate driver ir2117 to drive a igbt which drives a 4 quadrant pmdc motor of 75 v dc.
Driving igbts with unipolar gate voltage introduction infineon recommends the use of negative gate voltage to safely turnoff and block igbt modules. Integrated circuits ics pmic gate drivers are in stock at digikey. Threephase inverter with isolated gate drive all gate drivers are powered with individual isolated power supplies 1 slla354march 2015 is your igbt gatedriver power supply optimized. Feb 17, 2016 the results are only valid and absolute minimum for a single gate, so if you have 4 igbts in a fullbridge, you need atleast 4 times the driving power available. Although designed for driving discrete and module igbts, this device offers a cost effective solu. Igbt gate driver reference design for parallel igbts with. This gate current can be calculated using the equations for igbt input capacitance charging.
Driver cores for igbts are available with blocking voltage capabilities from 600v to 6500v and from 1w to 20w per channel. When using igbt for power system design, smooth gate waveform is expected by engineers. Eicedriver galvanically isolated gate drivers use the magneticallycoupled coreless transformer ct technology to provide signal transfer across the galvanic. Application note an 7002 connection of gate drivers to. An52 igbt gate drive considerations in electronic lamp ballasts. Mcu inputs receiving information about fault conditions should be configured as pullup inputs. The lowside and highside gate drivers are independently controlled with shoot thru protection or. Gate driver ics provide a wide range of typical output current options. The first characteristic to check is the output voltage. The mic4608 features a 450ns propagation delay including a 200ns input filtering time to prevent unwanted pulses. Infineon provides a broad spectrum of solutions for reliable and efficient controls.
The maximum average output current of the driver must be higher than the calculated value. The ps9305l and ps9305 are optically coupled isolators containing a gaalas led on the input side and a photo diode, a signal processing circuit and a power output transistor on the output side on one c. Dear templemark, igbts are to be used while using high voltage applications,nearly above300v600v. Sts power mosfet and igbt drivers include integrated highvoltage halfbridge, single and multiple lowvoltage gate drivers. The problem is the igbt driver chip always blows out when i switch on the dc supply. Igbt gate drive considerations in electronic lamp ballasts yong ang, applications engineer, zetex semiconductors the use of zetex high speed noninverting gate drivers for igbt halfbridge electronics ballasts introduction the purpose of this note is to demonstrate the design of fast switching igbt s gate drive for electronic. Gate drivers are available at mouser electronics from industry leading manufacturers. Therefore, what follows deals only with mosfet models. May 27, 20 the igbt can be driven with a transformer gate drive, a discrete gate current amplifier drive, an integrated high voltage hvic gate drive, or an optocoupler gate drive. Igbts dont have high frequency switching capability like mosfets and are used at frequency lower than 30khz but they can handle high currents and have ability to output greater than 4. Using isolated gate drivers for mosfet, igbt and sic applications nagarajan sridhar strategic marketing manager new products and roadmap high power driver solutions, hvps, sva. The driver features a fibreoptic communication interface for drive, status and switching feedback signals.
As far as driving igbt is concerned, it resembles a mosfet and hence all turnon and turnoff phenomena comments, diagrams and driver circuits designed for driving mosfet apply equally well to an igbt. This is fed to the gate of the mosfet through r gext. Igbt gate driver ic with fullbridge output stage using a modified standard cmos process. The c044bg400 igbt gate driver is a low power consumption driver with on board v ce desaturation detection for high reliability application. The following paper describes special considerations for a unipolar drive of igbt modules.
Mosfet gate drivers and igbt gate drivers stmicroelectronics. The igbt can be driven with a transformer gate drive, a discrete gate current amplifier drive, an integrated high voltage hvic gate drive, or an optocoupler gate drive. Our integrated circuits, igbtdrivers, and diodes enable compact, energyefficient acdc power supplies for a vast range of electronic products including mobile. For power devices they should be 0v to 1215v acpl312t to cater for gate thresholds around 4v as well as being able to drive to 15v if miller turnon is a concern. The ps9305l and ps9305 are optically coupled isolators containing a gaalas led on the input side and a photo diode, a signal processing circuit and a power output transistor on the output side on one chip. Galvanic isolated gate driver infineon technologies. Igbt drive conditions and main characteristics are shown below.
Igbt gate driver ic with fullbridge output stage using a. Infineon an200601 driving igbts with unipolar gate voltage. Optocouplers isolators igbt and mosfet driver vishay. Much disadvantage of igbts is their unavoidable current tail.
Based on power integrations widely used scale2 chipset, the new gate drivers are perfectly suited for highreliability applications such as hvdc vsc, statcom. Galvanic isolated gate driver ics for mosfets, igbts, igbt modules, sic mosfets and gan hemts perfect for industrial and automotive applications. Igbt gate driver reference design for parallel igbts with shortcircuit protection and external bjt buffer 2 system design theory 2. Pdf igbt gate driver ic with fullbridge output stage using. Mar 09, 2016 selecting a suitable igbt driver basic functions of gate drivers. Gate drivers suited for fast switching of power igbt and mosfets in motor control inverter applications and high performance power system.
Mc33153 single igbt gate driver the mc33153 is specifically designed as an igbt driver for high power applications that include ac induction motor control, brushless dc motor control and uninterruptable power supplies. In areas with nominal currents less than 100ta the negative gate voltage is often omitted for cost reasons. Quickly develop high power industrial igbt inverters and scrdiode converters with our fieldproven solutions. Application note an 7002 connection of gate drivers to igbt. The pwm signals can be as short as 500ns and there is no lower limit on the switching frequency. Devices in the vqa series provide shortcircuit protection with 3,000 v ac inputtooutput isolation 4,242 v dc, and are ideallysuited to provide a fullyisolated gate drive for both industrial and cleanenergy applications, such as wind turbines and solar panels. Power integrations gate driver cores provide a highly flexible solution by including all commonlyrequired driver functions including galvanic isolation, protection, dcdc converter etc. What is the difference between driving a mosfet gate and an. Design procedure for ground referenced and high side gate drive circuits, ac coupled and transformer isolated solutions are described in great details. Using isolated gate drivers for mosfet, igbt and sic. Generate gate signals to turnon or turnoff the igbt according to the command signals from the control circuit gate drivers usually provide the electrical isolation e.
Although designed for driving discrete and module igbts, this device offers a. Robust, strong and precise single and dualchannel, isolated gate driver ics for mosfets, igbts, igbt modules, sic mosfets and gan hemts. An advantageous solution, even for highpower igbt modules, is to mount the gate driver onto the igbt module directly. Semikron offers two different igbt driver families for any application. Igbt and mosfet driver, optocouplersisolators manufactured by vishay, a global leader for semiconductors and passive electronic components. Driver cores from the skhi and skyper family can be optimized using adapter boards for each module type. Single igbt gate driver the il33153 is specifically designed as an igbt driver for high power applications that include ac induction motor control, brushless dc motor control and uninterruptable power supplies. Spikes, oscillations on the switching edges are the troubles. An igbts main characteristics change according to the values of vge and rg, so it is important to use settings appropriate for the. Built using the ix661011 gatedriver chipset, the ixidm1401 igbt driver module allows a 3.
364 1481 78 759 428 914 588 1458 229 1236 255 490 1235 432 585 815 357 151 1309 1021 556 384 543 358 768 142 407 1242 483 512 494 1250 478 808 576 981 490 1246 1487 681 1364