Fuji IGBT Modules for Welding machine Device Application Technology Dept. Semiconductor Sales Div. Global Sales Group Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 1 Table of contents Topology in Welding machine Fuji IGBT modules for Welding machine Fuji solution in Gate Driver Unit (GDU) Fuji solution Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 2 Topology in Welding machine Topology (example) Feature Hard switching type ・Duty control method ・IGBT: small turn on and large turn off loss ・FWD: small reverse recovery loss Soft switching type (ZVS) ・IGBT: zero voltage switching at turn on, and hard switching at turn off. ・FWD: small reverse recovery loss Soft switching Type (ZVZCS) ・IGBT: zero voltage zero current switching at turn on, and hard switching at turn off. ・FWD: small reverse recovery loss Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 3 Topology in Welding machine ■Topology (Hard switching type) Chopper IGBT1 FWD1 IGBT2 FWD2 2in1 ・Chopper Module: ・H bridge (2in1) 1MBI200HH-120L-50 2MBI100HB-120-50 1MBI300HH-120L-50 2MBI200HH-120-50 1MBI400HH-120L-50 2MBI300HH-120-50 IGBT4 FWD4 ■Feature： ・Duty control method on off IGBT1 gate IGBT4 gate It off on on off off on off It ・IGBT: small turn on and large turn off loss (high speed IGBT is necessary.) ・FWD: small reverse recovery loss IGBT1 Vce, Ic (high speed diode in 2in1 module is not necessary.) Generation of large switching loss FWD4 Vak, Ifwd FWD current is small and it is only leakage inductance energy. Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 4 Topology in Welding machine ■Topology (Soft switching type) Chopper IGBT1 FWD1 IGBT2 FWD2 Chopper IGBT1 FWD1 2in1 ・Chopper Module: ・H bridge (2in1) 1MBI200HH-120L-50 2MBI100HB-120-50 1MBI300HH-120L-50 2MBI200HH-120-50 1MBI400HH-120L-50 2MBI300HH-120-50 IGBT4 FWD4 2in1 VCE T IC ■Feature： IGBT2 FWD2 IGBT4 FWD4 0 ・IGBT: zero voltage switching at turn on, and hard switching IF at turn off. (high speed IGBT is necessary.) ・FWD: small reverse recovery loss TF (high speed diode in 2in1 module is not necessary.) Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 5 Fuji IGBT module for Welding machine Welding output IGBT P/N (2in1 module) IGBT P/N (chopper module) 125A 2MBI100HB-120-50 1MBI200HH-120L-50 160A 2MBI100HB-120-50 1MBI200HH-120L-50 250A 2MBI100HB-120-50 1MBI200HH-120L-50 315A 2MBI100HB-120-50 1MBI200HH-120L-50 400A 2MBI150HH-120-50 1MBI200HH-120L-50 500A 2MBI150HH-120-50 1MBI200HH-120L-50 630A 2MBI200HH-120-50 1MBI200HH-120L-50 ・2MBI100HB-120-50 ・2MBI150HH-120-50 ・1MBI200HH-120L-50 2MBI200HH-120-50 1MBI300HH-120L-50 1MBI400HH-120L-50 Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 6 Fuji IGBT module for Welding machine High performance for high carrier frequency application ◆Optimized design for fc = 20 ~ 50kHz Lower switching loss, lower surge voltage ◆Low thermal impedance package New Si3N4-DCB substrate，RoHS package Standard 10kHz Fuji H-series Brand.C1 20kHz Brand.C2 30kHz 40kHz 50kHz fc Carrier frequency: fc 2in1 module and Chopper module lineup ◆ 2in1 module: ◆ Chopper module: Aug. 2013 1200V / 100A ~ 200A 1200V / 200A ~ 400A with NTC MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 7 Fuji IGBT module for Welding machine 1/2 half-bridge - 2in1 module ※only for soft turn on High-speed IGBT + Standard, small FWD RoHS, SiN-DBC 2MBI100HB-120-50 (1200V/100A Pkg: M233) 2MBI150HH-120-50 (1200V/150A Pkg: M249) 2MBI200HH-120-50 (1200V/200A Pkg: M249) 45mm M233 62mm M249 PFC – Chopper module + NTC High-speed IGBT + High speed diode + NTC 1MBI200HH-120L-50 (1200V/200A Pkg: M249) 1MBI300HH-120L-50 (1200V/300A Pkg: M249) 1MBI400HH-120L-50 (1200V/400A Pkg: M249) Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 8 Fuji IGBT module for Welding machine Small stray inductance is necessary to reduce surge voltage. Laminated bus bar or snubber capacitor are effective. snubber snuber copper wire module Laminated bus bar module Large inductance → Large surge voltage Small inductance → Small surge voltage Recommended line inductance: Ls< 20nH Inductance of cupper wire: 1cm = 1nH Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 9 Fuji IGBT module for Welding machine DC bus Snubber L=50nH (Lm=30nH, Ls=20nH) To realize Ls = 20nH, connect module and dc bus by short wire and attach snubber capacitor on the module. Aug. 2013 MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 10 Fuji solution in GDU Aug. 2013 IC rating IGBT P/N (example) Driver type （example） 100A 2MBI100HB-120-50 2SP0115T2Ax 150A 2MBI150HH-120-50 2SP0115T2Ax 200A 2MBI200HH-120-50 2SP0115T2Ax 200A 1MBI200HH-120-50 2SP0115T2Ax 300A 1MBI300HH-120-50 2SP0115T2Ax 400A 1MBI400HH-120-50 2SP0115T2Ax IC rating IGBT P/N (example) Driver type （example） 100A 2MBI100HB-120-50 VLA546** 150A 2MBI150HH-120-50 VLA546** 200A 2MBI200HH-120-50 VLA546** 200A 1MBI200HH-120-50 VLA546** 300A 1MBI300HH-120-50 VLA546** 400A 1MBI400HH-120-50 VLA500K MT5F27335 © Fuji Electric Co., Ltd. All rights reserved. 11