IGBT chip is the core component of photovoltaic inverter and wind power inverter igbt belongs to chip . The rapid development of the new energy power generation industry will become the continuous growth of the IGBT chip industry. With the rapid development of the new energy vehicle market Is igbt a chip , the demand and value of IGBT chips are expected to further increase igbtBelong to the chip , thus promoting the igbt belongs to the chip The IGBT chip industry growth.
Star Semiconducting (603290) : Star semiconducting belongs to the chip leading stock. This covers IGBT chip, fast recovery diode chip and IGBT module design, process development, product testing, product application, etc. igbt belongs to the chip , in semiconductor technology, power electronics, control, materials, mechanics, thermal, structure and other disciplines have a deep technologyAccumulate.
Jiejie Micro Electronics: Jiangsu Jiejie Micro Electronics Co., Ltd. is specialized in the research and development, design, production and sales of power semiconductor chips and equipment. It intends to raise no more than 19.5 billion yuan to enter the field of automotive power semiconductors. Yangjie Technology: According to the comprehensive situation of enterprise sales, technical level, semiconductor market share and so on, the company has been selected as China's top ten semiconductor power device enterprises by China Semiconductor Industry Association for several consecutive years, ranking first in 2019.
1, IGBT is the core device of energy conversion and transmission, commonly known as the "CPU" of power electronic devices. As a national strategic emerging industry, GBT is widely used in rail transit, smart grid, aerospace, electric vehicles and new energy equipment.
2, IGBT is the English word Insulated Gate Bipolar Transistor, it means the Chinese insulated gate bipolar transistor. Functionally, IGBT is a circuit switch, the advantage is to use voltage control, low saturation voltage drop, high voltage resistance. Used in the voltage of tens to hundreds of volts,The current is tens to hundreds of amps of strong electricity. And the IGBT doesn't use mechanical buttons; it's controlled by a computer.
3, now generally said IGBT chip, refers to the composition of the IGBT power device and many other things. The main job of IGBT is to control and transmit electrical energy. It can handle more than 6500W of power, and when working, it can achieve 100,000 current switching actions in just 1 second. Don't underestimate this function! Current electric vehicles, the reason why there is no need to design complex engine and gearbox and other mechanical systems, IGBTExistence is a great success.
4, igbt is: insulated gate bipolar transistor. igbt is the core device of energy conversion and transmission, commonly known as the "CPU" of power electronic devices. As a national strategic emerging industry, it is widely used in rail transit, smart grid, aerospace, electric vehicles and new energy equipment.
1, different performance, different uses, etc. frd chip and igbt chip difference: performance is different, FRThe D chip is a chip used in the field of network security, and the IGBT chip is a power semiconductor device.
2, structural difference difference: FRD chip refers to the abbreviation of FreeRecoveryDiode, is a forward recovery diode. Refers to the IGBT chip InsulatedGateBipolarTransistor, is a kind of triode structure of power switch device. Difference in working principle: When the FRD chip is in the forward conduction state, the current conduction and cutoff are controlled by voltage, and when the reverse cut-off state is in, the current will experience aA recovery process.
3, the core strategy of FRD is to reduce the carrier in the body during conduction by technical means, so that they are quickly extracted during reverse recovery, which provides voltage resistance and reduces loss. At present, well-known methods include shortening carrier lifetime using lifetime control techniques and optimizing design by reducing base width. Of course, this is just the beginning, and the potential of FRDS remains to be explored and perfected in terms of reverse recovery characteristics, lifetime control, and terminal design.
4, according to the different conduction and switching losses, IGBT is divided into several types. FS type(Soft-Punch Through and Trench-Field Stop) is a combination of PT and NPT advantages, it is known for low VCE (on), short current tailing and excellent temperature adaptability. Among them, the SPT model is particularly suitable for high frequency applications, pursuing low switching losses, while the Trench-FS model focuses on the conduction performance at low frequencies.
5, U-IGBT U (groove structure) -IGBT is carved on the tube core, and the groove gate is formed inside the chip cell. After adopting the channel structure, the cell size can be further reduced.Reduce channel resistance, improve current density, and create products with the same rated current and the smallest chip size. There are a number of companies producing a variety of U-IGBT products, suitable for low voltage drive, surface mount requirements.
1, igbt (insulated gate bipolar transistor), insulated triple bipolar power tube, is composed of bjt (bipolar triode) and mos (insulated gate type field effect tube) composite fully controlled voltage driven electric powerThe sub-device. Used in AC motor, inverter, switching power supply, lighting circuit, traction drive and other fields.
2, IGBT (Insulated Gate Bipolar Transistor), insulated gate bipolar transistor, is composed of BJT (bipolar transistor) and MOS (insulated gate field effect tube) composite voltage driven power semiconductor device, It has the advantages of high input impedance of MOSFET and low on-voltage drop of GTR.
3, IGBT (Insulated Gat)e Bipolar Transistor), Chinese name insulated gate bipolar transistor. It is an important semiconductor device in the field of power electronics technology, combining the high input impedance of MOSFETs with the high conductivity properties of bipolar transistors (BJT). Externally, the pins of IGBT are Collector, Emitter and Gate respectively.
4, igbt is: insulated gate bipolar transistor. igbt is the core device of energy conversion and transmission, commonly known as power electronic devices"CPU", as a national strategic emerging industry, is widely used in rail transit, smart grid, aerospace, electric vehicles and new energy equipment and other fields.
5, IGBT, full name is Insulated Gate Bipolar Transistor, semiconductor device, is a kind of high power electrical control components. The electronic components combine the advantages of MOSFET metal-oxide-semiconductor field-effect transistors and BJT bipolar transistors. IGBT is widely used in home appliances, rail transit, industrial control, electric vehicles, solar inverter2 >
1. Power Integrated Module (PIM) : The PIM module is a module that integrates a variety of power devices IGBTs belong to the chip IGBTs belong to the chip , usually including IGBTs, anti-parallel diodes, drive circuits, protection circuits and other related components. These modules are designed to simplify the design and integration of power electronics systems, providing high power density and high performance. They are widely used in industry, power and transportation.
2, high voltage IGBT (voltage greater than 2500V) is mainly used in high-speed rail, bullet train, smart grid and other fields. At present, only CRRC era and Star semi-guidance have a layout. China's high-speed rail mileage ranks first in the world, and its large demand has promoted the development of middle and upstream technology and realized domestic substitution in this field.
3, as one of the important high-power mainstream devices of power electronics, IGBT has been widely used in household appliances, transportation, power engineering, renewable energy and smart grid fields. In industrial applications, such as traffic control, power conversion, industrial motors, uninterruptedPower, wind and solar equipment, as well as frequency converters for automatic control. In consumer electronics, IGBTs are used in home appliances, cameras and mobile phones.
4, motor drive control: IGBT is widely used in electric vehicle motor control system, control motor speed and torque. They enable efficient energy conversion of electrical energy from the battery to the motor. Inverters: IGBTs are used in inverters to convert the direct current provided by the battery into the alternating current required by the motor. This helps control the speed and torque of the motor to achieve acceleration, deceleration and return energy to the battery.
5, IGBT module is an integrated circuit gate field-effect transistor module, which is a power semiconductor device. IGBT module is usually used in high voltage, high current system, commonly found in AC frequency converter, DC governor, induction cooker and other equipment. It has the characteristics of low opening voltage, high withstand voltage, can withstand high current, so it is widely used in industrial control, electric power, transportation and other fields.
6, IGBT is a combination of the advantages of bipolar transistor and insulated gate type field effect tube, with high input impedance and low on-voltage drop characteristics. Compared with GTR and MOSFETs, IGBTs have low drive power and full capacityWith the advantages of low voltage and high current carrying density, it is suitable for 600V and above converter system, widely used in AC motor, inverter, switching power supply, lighting circuit, traction drive and other fields.
China: has made significant progress in IGBT chip manufacturing. CRRC Zhuzhou is the only company in China to fully master IGBT chip technology, technology comparable to the world's top companies, but the price is far lower than competitors, thanks to the Chinese government's support for the semiconductor industryContinued support and investment, as well as the technological innovation and research and development efforts of domestic enterprises.
IGBT is not a chip. It's a discrete device. IGBT stands for Insulated Gate Bipolar Transistor, so it is a BJT transistor with a MOS Gate.
China CNR Group released high-voltage and high-power IGBT chips and modules in Xi 'an, Shaanxi Province, and passed expert evaluation. China has since had a fully autonomous IGBT "China Core".
IGBT chip is a new type of power electronic device, widely used in motor energy saving, rail transit, smart grid, aerospace, household appliances, automotive electronics, new energy power generation, new energy vehicles and other fields. Since 2008, China Microelectronics began to develop the first generation of IGBT chips so far, it has developed four generations of IGBT chips, and is currently developing the fifth generation of IGBT chips integrating current sensing and temperature sensing.
Careful fans may notice that little whale I said earlier that IGBT is a transistor, then it is not a chip? Let's take Huawei Kirin 990 5G chip for example. thereofThe chip has an area of 1,131 square millimeters, and as many as 10.3 billion transistors are packed into such a small space. It can be seen that the chip is composed of large-scale transistors, so strictly speaking, a single IGBT cannot be classified as a chip, but a power semiconductor device.