Power integrations Scale-2+ 2SC0435T, Applications Manual

Page 1: ...quiring high reliability The 2SC0435T drives all usual high power IGBT modules up to 1700V The embedded paralleling capability allows easy inverter design covering higher power ratings Multi level topologies are also supported The 2SC0435T is the most compact driver core in its power range available for industrial applications with a footprint of only 57 2mm x 51 6mm and an insertion height of max...

Page 2: ...escription of Secondary Side Interfaces 11 General 11 DC DC output VISOx emitter VEx and COMx terminals 12 Reference terminal REFx 12 Collector sense VCEx 12 Active clamping ACLx 12 Gate turn on GHx and turn off GLx terminals 13 How Do 2SC0435T SCALE 2 Drivers Work in Detail 14 Power supply and electrical isolation 14 Power supply monitoring 14 VCE monitoring short circuit protection 15 Desaturati...

Page 3: ...eliminary Description Application Manual www power com igbt driver Page 3 Technical Support 17 Quality 17 Legal Disclaimer 18 Ordering Information 19 Information about Other Products 19 Power Integrations Sales Offices 20 ...

Page 4: ...eeded to design intelligent gate drivers The SCALE 2 driver chipset is a further development of the proven SCALE technology 2 The 2SC0435T targets medium power dual channel IGBT and MOSFET applications The driver supports switching up to 100kHz at best in class efficiency The 2SC0435T comprises a complete dual channel IGBT driver core fully equipped with an isolated DC DC converter short circuit p...

Page 5: ...SCALE 2 2SC0435T Preliminary Description Application Manual www power com igbt driver Page 5 Mechanical Dimensions Fig 3 Interactive 3D drawing of 2SC0435T2H0 17 ...

Page 6: ...otal outline dimensions of the board are 57 2mm x 51 6mm The total height of the driver is max 20 5mm measured from the bottom of the pin bodies to the top of the populated PCB Recommended diameter of solder pads Ø 2mm 79 mil Recommended diameter of drill holes Ø 1mm 39 mil X 2 54mm 100mil for 2SC0435T2H0 17 and 2SC0435T2H0C 17 X 3 1mm 122mil for 2SC0435T2G1 17 and 2SC0435T2G1C 17 X 5 84mm 230mil ...

Page 7: ... through resistor network 13 REF1 Set VCE detection threshold channel 1 resistor to VE1 14 COM1 Secondary side ground channel 1 15 VE1 Emitter channel 1 connect to auxiliary emitter of power switch 16 VISO1 DC DC output channel 1 17 GH1 Gate high channel 1 pulls gate high through turn on resistor 18 GL1 Gate low channel 1 pulls gate low through turn off resistor 19 Free 20 Free 21 Free 22 ACL2 Act...

Page 8: ...escription of Primary Side Interface General The primary side interface of the driver 2SC0435T is very simple and easy to use The driver primary side is equipped with a 10 pin interface connector with the following terminals 2 x power supply terminals 2 x drive signal inputs 2 x status outputs fault returns 1 x mode selection input half bridge mode direct mode 1 x input to set the blocking time Al...

Page 9: ...ays results in turn on of the corresponding IGBT In a half bridge topology this mode should be selected only when the dead times are generated by the control circuitry so that each IGBT receives its own drive signal Caution Synchronous or overlapping timing of both switches of a half bridge basically shorts the DC link Half bridge mode If the MOD input is connected to GND with a resistor 72k Rm 18...

Page 10: ...ut SOx goes to low connected to GND The diodes D1 and D2 must be Schottky diodes and must only be used when using 3 3V logic For 5V 15V logic they can be omitted The maximum SOx current in a fault condition must not exceed the value specified in the driver data sheet 3 Both SOx outputs can be connected together to provide a common fault signal e g for one phase However it is recommended to evaluat...

Page 11: ... Vb 3 62V Recommended Interface Circuitry for the Secondary Side Connectors Fig 7 Recommended user interface of 2SC0435T with Advanced Active Clamping secondary sides Description of Secondary Side Interfaces General Each driver s secondary side driver channel is equipped with an 8 pin interface connector with the following terminals x stands for the number of the drive channel 1 or 2 1 x DC DC out...

Page 12: ...nce terminal REFx allows the threshold to be set for short circuit and or overcurrent protection with a resistor placed between REFx and VEx A constant current of 150µA is provided at pin REFx Collector sense VCEx The collector sense must be connected to the IGBT collector or MOSFET drain with the circuit shown in Fig 7 in order to detect an IGBT or MOSFET overcurrent or short circuit It is recomm...

Page 13: ...ive current flowing through the TVS chain during turn on of the antiparallel diode of the IGBT module due to its forward recovery behavior Such a current could depending on the application lead to undervoltage of the driver secondary voltage VISOx to VEx 15V Note that it is possible to modify the number of TVS in a chain The active clamping efficiency can be improved by increasing the number of TV...

Page 14: ...ower supply to the gate driver circuitry All transformers DC DC and signal transformers feature safe isolation to EN 50178 protection class II between primary side and either secondary side Note that the driver requires a stabilized supply voltage Power supply monitoring The driver s primary side as well as both secondary side driver channels are equipped with a local undervoltage monitoring circu...

Page 15: ...easured Fig 8 Both IGBT collector emitter voltages are measured individually VCE is checked after the response time at turn on to detect a short circuit or overcurrent If the measured VCE at the end of the response time is higher than the programmed threshold Vthx the driver detects a short circuit or overcurrent The driver then switches off the corresponding power semiconductor The fault status i...

Page 16: ...es If desaturation protection with sense diodes is required with 2SC0435T please refer to the application note AN 1101 4 Parallel connection of 2SC0435T If parallel connection of 2SC0435T drivers is required please refer to the application note AN 0904 5 3 level or multilevel topologies If 2SC0435T drivers are to be used in 3 level or multilevel topologies please refer to the application note AN 0...

Page 17: ... Power Integrations offers the widest selection of gate drivers for power MOSFETs and IGBTs for almost any application requirements The largest website on gate drive circuitry anywhere contains all data sheets application notes and manuals technical information and support sections www power com Quite Special Customized SCALE 2 and SCALE 2 Drivers If you need an IGBT driver that is not included in...

Page 18: ...the relevant technical norms if any They may base on assumptions or operational conditions that do not necessarily apply in general We exclude any representation or warranty express or implied in relation to the accuracy or completeness of the statements technical information and recommendations contained herein No responsibility is accepted for the accuracy or sufficiency of any of the statements...

Page 19: ...h 3 1mm increased EMI capability conformal coating 2SC0435T2H0 17 Dual channel SCALE 2 driver core Lead free connector pin length 2 54mm increased EMI capability 2SC0435T2H0C 17 Dual channel SCALE 2 driver core Lead free connector pin length 2 54mm increased EMI capability conformal coating Product home page www power com igbt driver go 2SC0435T Refer to www power com igbt driver go nomenclature f...

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