Igbt gate driver concepts

Concept products are sensitive to electrostatic discharge esd, as are mosfets and igbt modules. Closedloop igbt gate drive and current balancing concepts. Target markets include traction and other highvoltage applications. Power integrations gate driver cores provide a highly flexible solution by including all commonlyrequired driver functions including galvanic isolation, protection, dcdc converter etc. Design fundamentals of implementing an isolated halfbridge gate driver. For more information, see the overview for mosfet and igbt gate drivers product page.

Igbt products sic mosfet drivers, igbt gate drivers. Design fundamentals of implementing an isolated halfbridge. Current through miller capacitance cm works to turn on the igbt. The same concept can be applied for steady state operation to determine the dc. Igbt is the acronym for insulate gate bipolar transistor, a power semiconductor that combines mosfet high. The third test is the addition of zener diodes to quickly drop the voltage, the 750 ohm resistor drops the residual voltage at the igbt gate. Singlechannel scale2 plugandplay driver for 4500 v presspack igbt ppi modules. The values as derived from this application note serve as a base for selecting the most appropriate driver. The most important parameter of transistor drivers is the permissible current value to be delivered to the gate. Driver solution for highvoltage and highpower igbt modules with fiberoptic interface for 2level.

Concepts 1sc0450v gate driver cores are suitable to drive all 4. Sutrisno, fault detection and prognostics of insulated gate bipolar transistor igbt using knearest neighbor. Efficiently and reliably drive any power switch at any power level for any application. Physics, design and applications of the insulated gate bipolar transistor baliga, b.

Concept offers the widest selection of gate drivers for power mosfets and igbts. A simple closedloop active gate voltage driver for. 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. Based on power integrations widely used scale2 chipset, the new gate drivers are perfectly suited for highreliability applications such as hvdc vsc, statcom. Igbts introduces challenges at both the gate driver insufficient drive strength as well as at system level in maintaining equal current distribution in both the igbts while ensuring faster turnon and turnoff. Concept s new igbt drivers are based on the companys proprietary scale2 asic technology, which incorporates all required functions. Austin, texas april 11, 2011 freescale semiconductor has entered into a strategic alliance with fuji electric co.

The eicedriver gate driver boards for igbt modules up to 1700 v with reinforced isolation and dual channel high voltage igbt driver board. The problem is the igbt driver chip always blows out when i switch on the dc supply. The driver features a fibreoptic communication interface for drive, status and switching feedback signals. Gate current calculation the gate peak current can be calculated as follows. The driver is able to support the operation of up to four igbt modules in parallel, and the use of concepts proprietary scale2 asic technology results in a significantly lower component count compared to a discrete solution. An igbt gate driver ic has to perform a multitude of functions simultaneously. This paper proposes a new concept for attaining a defined switching behavior of insulatedgate bipolar transistors igbts at inductive load hard switching, which is a key prerequisite for optimizing the switching behavior in terms of switching losses and electromagnetic interference emi. The scale2 igbt and mosfet gate driver cores are highly integrated. Independent of the applied concept, the selection of the driver output stages value can either be based on a fixed profile. This application note describes the minimum requirements for preventing esd during handling and assembly of all concept gate driver devices. This value must be duly considered when selecting a suitable driver.

The following paper describes special considerations for a unipolar drive of igbt modules. It comes with a output current of 30 a, integrated dcdc, smps, soft shut down in fault conditions, dynamic over current detection and igbt desaturation monitoring. These products are very useful to evaluate our hybrid ics promptly. Intelligent igbt gate driver from concept technology. On semiconductor supplies mosfet drivers and igbt drivers for low side, high side, and halfbridge drive circuits. The unrivalled selection, outstanding technical data, excellent fabrication quality, impressive range of functions, good availability, high reliability and not least comprehensive documentation and competent technical support have made drivers from concept into an industry standard for highquality applications. In poweralia, we have wide range of drivers to buy online. The gate drive simplified schematic diagram is shown in figure 1. The adum45 includes a miller clamp to provide robust igbt turnoff with a singlerail supply when the gate voltage drops. Reverse blocking mode when a negative voltage is applied to collector, junction j 3 is reverse biased. An igbts main characteristics change according to the values of vge and rg, so it is important to use settings appropriate for the. Description and application manual mouser electronics.

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. With this training, you will learn how to calculate a gate resistance value for an igbt application, how to identify suitable gate driver ics based on peak current and power dissipation requirements, and how to finetune the gate resistance value in laboratory environment based on worst case conditions. Parallelconnected igbts are conventionally driven by a common driver, with individual gate and emitter resistors for each igbt. Igbt driver manufacturer ctconcept technologie ag, a power integrations company, has launched three new igbt driver core products. However, the question of how to turn on a mosfet or, at a more basic level, what is. The first test is simply on and off with just a single gate resistor between the driver and the igbt. Igbt gate driver reference design for parallel igbts with. Thereafter, a highly dynamic closedloop igbt gate driver using simple passive di c dt and dv ce dt feedbacks and employing a single analog picontroller is proposed. Gate power requirements the gate of an igbt must be charged and discharged through rg in each switching cycle. High performance transistor optocouplers 22 high speed logic gate optocouplers 25 low voltage, high performance. The data transfer across galvanic isolation is realized by the integrated coreless transformer technology. Closedloop dd and dd igbt gate driver ieee journals.

Modern igbt gate driving methods for enhancing reliability of highpower converters an overview. This application note describes the calculation of the gate drive performance figures required for a given application. Ti mosfet and igbt gate driver portfolio provides a broad range of highperformance gate driver ics that meet diverse design requirements. The proposed closedloop di c dt and dv ce dt control concept, which employs a single ampli.

Igbt is usually used in switching applications as it operates either in cutoff or saturation region. Igbt is the acronym for insulate gate bipolar transistor, a. Igbt drive conditions and main characteristics are shown below. Electrical measurements shunts, probes, meters, transformers passive components. Powerex gate drivers are power amplifiers that take signallevel control input and create the desired gate drive output for power transistors. The insulated gate bipolar transistor also called an igbt for short, is something of a cross between a conventional bipolar junction transistor, bjt and a field effect transistor, mosfet making it ideal as a semiconductor switching device. Fundamentals of mosfet and igbt gate driver circuits. Application note an 7003 gate resistor principles and. The electrons and holes constitute the current flowing through insulated gate bipolar transistor. Ir2110 is a high low side gate driver ic which is used with power mosfet and igbt. Driving and protecting igbts in inverter applications power. An1001 igbt and mosfet drivers correctly calculated. Eicedriver galvanically isolated gate drivers use the magneticallycoupled coreless transformer ct technology to provide signal transfer across the galvanic. Modern igbt gate driving methods for enhancing reliability of.

Click on a link to be taken to the page for that product. Eicedriver gate driver boards for infineon igbt modules. Gate drivers provide a simple means of switching power mosfets and igbts with an easy interface between the controller and the mosfet igbt switches. Concept igbt gate drivers download for typical gate voltages of approximately v, several watts of power may be required to drive the switch. In practice, the gate current might be somewhat smaller due to the igbt modules internal resistor r gint and inductances in the gate control path.

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. A schematic overview of such gate drive concepts is depicted infig. A fully supervised dcdc converter with emi filtering, low coupling capacitance and high partial discharge level is. Failure mechanisms of insulated gate bipolar transistors igbts. Concept electronics have risen to become an acknowledged leader in the domain of intelligent driver components for large igbts and power mosfets based on a protection concept specially developed by themselves. These products are unitized by setting hybrid ic type gate driver mentioned above as the core and incorporating gate power supply and the peripheral parts.

Ucc27531 is ideal for inverters, ups, hevev and industrial. Therefore, what follows deals only with mosfet models. Fundamentals of mosfet and igbt gate driver circuits the popularity and proliferation of mosfet technology for digital and power applications is driven by two of their major advantages over the bipolar junction transistors. Dcdc converters for igbt gate drives mouser electronics. Igbt gate drive calculator kaizer power electronics. Using a gate drive optocoupler with mosfet buffer driving capability enables users. The 2sd316ei is a dualchannel driver based on concepts proprietary. We present a new concept in insulatedgate bipolar transistor igbt gate drivers with a blocking voltage up to 3.

Robust, strong and precise single and dualchannel, isolated gate driver ics for mosfets, igbts, igbt modules, sic mosfets and gan hemts. A special section deals with the gate drive requirements of the mosfets in synchronous rectifier applications. Concept extends family of highvoltage igbt gate driver. An alternative approach to driving parallelconnected igbt modules is to use an individual driver for each module. 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. To speedup your startup with scale plugandplay drivers, concept offers. The second test is the addition of the 750 ohm resistor between the gate and the off driver. Adjust the gate resistor so that the gate drive peak current is lower or equal to the capabilities of your igbt driver ic or circuit. 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.

Modern igbt gate driving methods for enhancing reliability. Driving igbts with unipolar gate voltage introduction infineon recommends the use of negative gate voltage to safely turnoff and block igbt modules. Most si828x products except the si8286 have three sep. Infineon gate drivers provide a wide range of typical output current options. First, stateoftheart gate driver concepts that enable a control of the igbts. In areas with nominal currents less than 100ta the negative gate voltage is often omitted for cost reasons. Ctconcept technologie has launched the 1sc0450v, a compact and robust singlechannel gate drive solution for 6. All logic pins are 5v cmos compatible and could be directly connected to a microcontroller. Closedloop didt and dvdt igbt gate driver 3403 fig. That means when mosfetigbt is used in high side configuration then a gatedriver ic is need to be used. An integrated igbt active gate driver with fast feedforward.

Contrary to conventional passive gate drivers, this concept. An advantageous solution, even for highpower igbt modules, is to mount the gate driver onto the igbt module directly. The advanced level shifter topology has been tested in an experimental 7channel 600v gate driver ic. The r gint value is indicated in the igbt data sheet. For example, the dual igbt and mosfet driver high low side is an igbt and mosfet transistors control system with two completely independent channels and the shutdown input.

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. Driver cores for igbts are available with blocking voltage capabilities from 600v to 6500v and from 1w to 20w per channel. Overall, as a proofof concept the tested ic shows that the chosen topology is. Choose from our comprehensive portfolio of isolated, halfbridge and lowside gate drivers, which support igbts, ganfets, sicfets, to optimize your design. It is intended to give the reader a thorough background on the device technology behind ixys igbts. Pdf high performance active gate drive for high power igbts. 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.

A gate driver is a specially designed circuit that is used to drive the gate of mosfet or igbt in high side switching application. Datasheet of skyper 42 r qg of the igbt module igbt gate driver concepts, which enable a control of the current and voltage switching trajectories at hard switching, are discussed in the following. Based on power integrations widely used scale2 chipset, the new gate drivers are perfectly suited for highreliability applications such. This concept maximizes gate drive design scalability for motor control and. Driving mosfet and igbt switches using the si828x the si828x products integrate isolation, gate drivers, fault detection protection, and operational indicators into one package to drive igbts and mosfets as well as other gated power switch devices. Based on the investigation of stateoftheart gate driver implementations, which enable a control and an optimization of the igbts switching behavior, shown in chapter 4, an igbt gate drive concept. Infineon provides a broad spectrum of solutions for reliable and efficient controls. This reference design uses reinforced isolated igbt gate driver with integrated features like desaturation. Insulated gate bipolar transistor igbt basics abdus sattar, ixys corporation 1 ixan0063 this application note describes the basic characteristics and operating performance of igbts. This situation must be considered when using concept scale2 gate drivers. Thereby, the closedloop concept with negative feedback is. Galvanic isolated gate driver ics for mosfets, igbts, igbt modules, sic mosfets and gan hemts perfect for industrial and automotive applications. Several, stepbystep numerical design examples complement the application report. Application note an 7002 connection of gate drivers to.

Our integrated circuits, igbtdrivers, and diodes enable compact, energyefficient acdc power supplies for a vast range of electronic products including mobile. Although designed for driving discrete and module igbts, this device offers a cost effective solu. A necessary companion for discrete power mosfets and igbts as well as digital microcontrollers, dsps and fpgs or analog controllers in any switchedmode power converter, stdrive gate drivers generate the necessary voltage and current level required to accurately and efficiently activate the power stage in industrial, consumer, computer and automotive. Igbt gate drivers, stack electronics, and ipm reference designs. Gate driver selection guide 2019 infineon technologies. New concept highvoltage igbt gate driver with selfadjusting active. The adum45 is a singlechannel gate driver specifically optimized for driving insulated gate bipolar transistors igbts. Insulated gate bipolar transistor or igbt transistor. In the data sheet of semikron drivers the maximum charge per pulse is given. The gate driver remains fully operational for any applied offset voltage, providing flexibility in the design of a power system and possibly extending the use of hvics to medium and high power applications. Working with fuji electric, freescale will add highpower igbt products to its. Application note an 7002 connection of gate drivers to igbt. Drivers are used to govern the power semiconductors.

Infineon an200601 driving igbts with unipolar gate voltage. Although designed for driving discrete and module igbts, this device offers a. The other names of this device are gemfet conductivity modulated fet, comfet conductivity modulated field effect transistor, igt insulated gate transistor, bipolar mode mosfet, bipolar mos transistor. Galvanic isolated gate driver infineon technologies. Threephase inverter with isolated gatedrive all gatedrivers are powered with individual isolated power supplies 1 slla354march 2015 is your igbt gatedriver power supply optimized. 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. The driver concept is based on a master slave principle. Isolated halfbridge gate drivers are used in many applications that range from isolated dctodc power supply modules where high power density and efficiency are required, to solar inverters where high isolation voltage and longterm reliability are critical.