Toshiba Discrete IGBT Product Technology Analysis and Application Guide

Power factor correction (PFC).

Flash application: Low gate driving voltage series.

Plasma Display Panel (PDP) driver.

3.2 Model Naming Rules

Using Toshiba model GT 60 M 3 03 A as an example for decoding:

GT: Product prefix, representing discrete IGBT.

60: Rated collector current (DC), in amperes (A).

M: Rated voltage code. Refer to the voltage code table (e.g. M represents 900V).

3: Channel type and structural code. 1=N-channel, 2=P-channel, 3=N-channel with built-in freewheeling diode, R=RC-IGBT with built-in freewheeling diode.

03: Serial number.

A: Version number.

Example of voltage code representation: C=150V, D=200V,... J=600V, M=900V, Q=1200V, etc.

4. Key application scenarios and selection guidelines

4.1 General frequency conversion and motor drive

This is the most traditional core market for IGBT. Toshiba offers a complete solution from the 3rd generation high robustness series to the 4th generation high-speed switch (FS) series.

High robustness series (such as GTxQ101/301, GTxJ101/301): For industrial motor drives and general purpose frequency converters, the switching frequency can usually reach 20kHz, emphasizing reliability and durability.

High speed switch series (FS series, such as GT30J121): The switching frequency can reach 50kHz, and the switching loss is reduced through optimization, making it suitable for occasions with higher efficiency and frequency requirements.

Technical advantages: Low and flat temperature characteristic VCE (sat), as well as built-in optimized fast recovery diode (FRD), bring low conduction loss and excellent reverse recovery characteristics.

4.2 Soft switch applications (electromagnetic heating, microwave ovens, etc.)

In situations where voltage or current resonant soft switching technology is used in IH cookware, microwave ovens, etc., switching losses are significantly reduced. Toshiba offers an IGBT series optimized for soft switching.

Voltage range: Depending on the input voltage (AC 100V/200V), specifications such as 600V, 900V, 1200V, etc. are mainly selected.

Product series: covering 4th to 6.5th generation technologies, such as GTxJ32x (600V), GTxM32x (900V), GTxN32x (1000V) and other models, many of which have built-in FRD/FWD.

Latest technology -6.5th generation RC-IGBT: such as GTxxMR21/GTxxNR21 series. RC-IGBT integrates IGBT and FWD on a single chip, eliminating the necessity of discrete diodes and reducing thermal resistance through reverse conduction structure, making it more environmentally friendly and compact. It allows the junction temperature (Tj) to increase to 175 ° C, improving power density and reliability.

4.3 Flash application

With the miniaturization of digital cameras, there is a demand for small size and low driving voltage of switch devices in flash circuits.

Low gate driving voltage: Toshiba offers a 2.5V-4.0V gate driving series (such as GT5G133, GT8G151), which can directly use the camera's internal 3.3V or 5V power supply to simplify the circuit.

High pulse current capability: Despite its small size (TSON-8, SOP-8 packaging), it can withstand pulse currents of hundreds of amperes (such as 130A-200A).

Integrated protection: Typically, a Zener diode is integrated between the gate and emitter to provide ESD protection.

4.4 Plasma display panel driver

In high current PDP sustain driving circuits, IGBT gradually replaces parallel MOSFET due to its excellent current conduction capability.

Voltage level: mainly providing 300V, 400V, and 600V products.

Packaging: TO-220SIS, TO-220SM and other surface mount packaging are commonly used for compact layout.

Features: Emphasize low VCE (sat) to reduce conduction losses, as well as good pulse current handling capability.

5. Packaging and Product Lifecycle Management

Toshiba offers a wide range of packaging options to meet the needs of different heat dissipation, power, and installation methods. The document provides detailed dimension drawings of key packages such as TO-220SM (MXN) and TSON-8 for PCB design and heat dissipation design reference.

In addition, Toshiba implements transparent management of the product lifecycle. The document clearly lists old models that are in the final stage or have been discontinued, and provides recommended alternative new products to help customers smoothly complete design migration and ensure supply chain continuity.