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MT6M15962a

3. Alarm factor tree analysis chart

When the system equipped with the IPM has stopped and an alarm signal is generated, first carry out

investigations to identify whether the alarm signal was generated from the IPM or the device control

circuit (other than the IPM).

If the alarm signal was generated from the IPM, identify the factor in accordance with the alarm factor

analysis tree chart indicated in Figure 7-2.

Similar to V-IPM, it is possible to identify which protection function is activated by checking the alarm

signal pulse width in X-IPM too. Therefore, the factor analysis time can be shorten.

In addition, the alarm signal output

voltage can be easily measured by connecting a 1.3 KΩ resistor in

series between the IPM alarm signal output terminal and the cathode terminal of the optocoupler.

7-8

Fig.7-2 Alarm factor tree analysis chart

Phenomenon

Alarm factor and method for identification

Содержание IGBT-IPM X Series

Страница 2: ...ecifications All applications described in this manual exemplify the use of Fuji s products for your reference only No right or license either express or implied under any patent copyright trade secre...

Страница 3: ...an environment during transportation are described in the specification sheet There conditions shall be kept under the specification 2 Assembly environment Since this power module device is very weak...

Страница 4: ...l marking 2 2 2 Description of terms 2 3 Chapter 3 Description of functions 3 1 1 List of functions 3 2 2 Description of functions 3 3 3 Truth table 3 8 4 Block diagram of IPM 3 9 5 Timing chart 3 11...

Страница 5: ...recautions for use 6 1 4 1 Main power supply 6 2 2 Control power supply 6 3 3 Protection functions 6 5 4 Power cycling capability 6 7 5 Others 6 7 Chapter 7 Troubleshooting 7 1 1 Troubleshooting 7 2 2...

Страница 6: ...5962a 1 Features of the IGBT IPM 1 2 2 Part number and lot No 1 3 3 Line up 1 5 4 Features of each package 1 7 5 Structure 1 15 Chapter 1 Features and structure Fuji Electric Co Ltd All rights reserve...

Страница 7: ...when an OC SC UV and or TjOH occur Additionally the IPM initiates a safe soft stop of the system 1 1 See Chapter 3 Description of functions for details of protective functions of each IPM 1 3 Built in...

Страница 8: ...t number ex 6MBP50XBA120 50 Table 1 1 shows how to read the part number of the X series IPM 6 MBP 50 X B A 120 50 IGBT Switch number Type of module Current rating IGBT Chip generation Package Suffix V...

Страница 9: ...d the lot No of the X series IPM 20 1 001 Production year Production month Serial number 19 2019 1 January 001 999 20 2020 2 February 21 2021 9 September O October N November D December Fig 1 1 Indica...

Страница 10: ...50 7MBP100XFN065 50 P638 6MBP50XGA065 50 6MBP75XGA065 50 6MBP100XGN065 50 6MBP150XGN065 50 P630 6MBP50XDA065 50 7MBP50XDA065 50 6MBP75XDA065 50 7MBP75XDA065 50 6MBP100XDA065 50 6MBP100XDN065 50 7MBP1...

Страница 11: ...MBP25XGA120 50 6MBP35XGA120 50 6MBP50XGN120 50 6MBP75XGN120 50 P630 6MBP25XDA120 50 7MBP25XDA120 50 6MBP35XDA120 50 7MBP35XDA120 50 6MBP50XDA120 50 6MBP50XDN120 50 7MBP50XDA120 50 7MBP50XDN120 50 6MBP...

Страница 12: ...the same as the control terminals Therefore it is possible to solder the main terminals and control terminals to the same PCB Screw size for the heat sink is M4 Protective function is applied to the...

Страница 13: ...e it is possible to solder the main terminals and control terminals to the same PCB Screw size for the heat sink is M4 Compatible mounting dimensions with the R IPM series P619 package Protective func...

Страница 14: ...height is the same as the control terminals Therefore it is possible to solder the main terminals and control terminals to the same PCB Screw size for the heat sink is M4 The package outline drawing...

Страница 15: ...nals are flat type solder pin and the height is the same as the control terminals Therefore it is possible to solder the main terminals and control terminals to the same PCB Screw size for the heat si...

Страница 16: ...older the main terminals and control terminals to the same PCB Screw size for the heat sink is M4 Two types of protrusions with different heights are provided on the upper surface of the lid The heigh...

Страница 17: ...k is M4 common with the main terminals All electrical connections are done with screws and connectors thus no soldering is required and easy to remove The package outline drawing is shown in Figure 1...

Страница 18: ...s They are insulated internally and are not connected to any object Unit of dimensions mm 4 7 P630 package 6in1 7in1 with upper and lower arm alarm signal output The line up is 50A to 250A for 650V an...

Страница 19: ...connections to be made securely Screw size for the heat sink is M5 common with the main terminals All electrical connections are done with screws and connectors thus no soldering is required and easy...

Страница 20: ...t Material main Remarks 1 Base Plate Cu Ni plating 2 Main Terminal Cu First coating Ni plating Surface Sn based plating 3 Control Terminal Brass First coating Ni plating Surface Sn based plating 4 Cas...

Страница 21: ...ass First coating Ni plating Surface Sn based plating 4 Case PPS resin UL 94V 0 5 Lid PPS resin UL 94V 0 6 Isolation substrate Ceramic Cu 7 IGBT chip Silicon Not shown 8 FWD chip Silicon Not shown 9 W...

Страница 22: ...t coating Ni plating Surface Sn based plating 4 Case PPS resin UL 94V 0 5 Lid PPS resin UL 94V 0 6 Isolation substrate Ceramic Cu 7 IGBT chip Silicon Not shown 8 FWD chip Silicon Not shown 9 Wiring Al...

Страница 23: ...inal Brass First coating Ni plating Surface Sn based plating 4 Case PPS resin UL 94V 0 5 Lid PPS resin UL 94V 0 6 Isolation substrate Ceramic Cu 7 IGBT chip Silicon Not shown 8 FWD chip Silicon Not sh...

Страница 24: ...e Au plating 4 Case PPS resin UL 94V 0 5 Lid PPS resin UL 94V 0 6 Isolation substrate Ceramic Cu 7 IGBT chip Silicon Not shown 8 FWD chip Silicon Not shown 9 Wiring Aluminum 10 Printed Circuit Board P...

Страница 25: ...e PPS resin UL 94V 0 5 Lid PPS resin UL 94V 0 6 Isolation substrate Ceramic Cu 7 IGBT chip Silicon Not shown 8 FWD chip Silicon Not shown 9 Wiring Aluminum 10 Printed Circuit Board PCB Glass reinforce...

Страница 26: ...e PPS resin UL 94V 0 5 Lid PPS resin UL 94V 0 6 Isolation substrate Ceramic Cu 7 IGBT chip Silicon Not shown 8 FWD chip Silicon Not shown 9 Wiring Aluminum 10 Printed Circuit Board PCB Glass reinforce...

Страница 27: ...P630 Package Screw standard Terminal tab thickness B Nut depth C Screw hole depth D P638 M4 0 8 3 5 8 0 0 5 P630 M4 0 8 3 5 8 5 0 5 P631 M5 1 4 9 0 0 5 Table 1 5 IPM main terminal specifications Unit...

Страница 28: ...P636 P636 package has two types of protrusions with different heights 2 5 mm and 1 0 mm on the lid The PCB height can be set to 18 5 mm or 17 0 mm by utilizing these protrusions Fig 1 18 Selecting fr...

Страница 30: ...ignal output GND VCC V V Ground reference for the V phase control power supply V arm control power supply positive terminal Vin V V arm control signal input ALM V V arm alarm signal output GND VCC W W...

Страница 31: ...nd GND terminal Alarm signal voltage VALM Maximum voltage between the ALM and GND terminal Alarm signal current IALM Maximum current between the ALM and GND terminal Tvj warning signal voltage VWNG Ma...

Страница 32: ...Refer to Figure 2 1 Turn off time toff The time from when the input signal rise above the input threshold value Vinth off until the collector current of IGBT become 10 of predetermined current Refer...

Страница 33: ...g hysteresis TjWH Temperature drop required for chips warning temperature operation to reset Under voltage protection level Vuv Threshold voltage for under voltage protection Under voltage protection...

Страница 34: ...energy of the FWD during reverse recovery Input current Iin Maximum current into the Vin terminals Soft shutdown Turn off operation when protective operation is activated Softer turn off than normal 2...

Страница 38: ...5962a 1 List of functions 3 2 2 Description of functions 3 3 3 Truth table 3 8 4 Block diagram of IPM 3 9 5 Timing chart 3 11 Chapter 3 Description of functions Fuji Electric Co Ltd All rights reserve...

Страница 39: ...ower arms Upper arm Lower arm Drive UV TjOH OC SC ALM ALM WNG 7in1 P644 P636 P630 P631 Drive IGBT drive circuit UV Control power supply under voltage protection TjOH IGBT chips over heating protection...

Страница 40: ...surge voltage 2 2 IGBT and FWD for brake IGBT and FWD for brake circuit are integrated in and the collector terminal of the IGBT is connected to the output terminal B as shown in Figure 3 1 The regen...

Страница 41: ...reduced when the IGBT is turned off by the protection function in various kinds of abnormal modes This soft shutdown suppresses the surge voltage during turn off and prevents the IPM from being destro...

Страница 42: ...e IGBT will not turn on If the control input signal is OFF state after the alarm signal output period tALM has elapsed the protection operation is reset and normal operation is resumed On the upper ar...

Страница 43: ...n function is activated and an alarm signal is output The SC status alarm signal output period tALM is approximately 2ms Protection operation is reset after 2ms tALM and normal operation is resumed if...

Страница 44: ...uilt in the previous IPM series is not built in this X series The IGBT chip is protected by the TjOH protection function 2 9 Temperature warning output function TjW Temperature warning output function...

Страница 45: ...TjOH OFF High High Low High X Y Z phase OC OFF High High High Low SC OFF High High High Low UV OFF High High High Low TjOH OFF High High High Low Y phase TjW High High High High Low B phase OC OFF OFF...

Страница 46: ...3 3 shows an example of P629 6in1 without alarm functions on the upper arms Figure 3 4 shows an example of P630 6in1 and Figure 3 5 shows an example of P630 7in1 Fuji Electric Co Ltd All rights reserv...

Страница 49: ...signal is output about 20 s after VCC drops below VUV While Vin is OFF the IGBT is kept in the OFF state 3 UV protection operation continues during the tALM UV period if VCC returns to VUV VH before t...

Страница 50: ...ontinues operating after that When Vin is in OFF normal operation is resumed 7 During VCC shut off the alarm signal is output when VCC drops below VUV 8 Even if the protection operating duration is su...

Страница 51: ...e inclination of VCC is slow In Case 1 VCC exceeds VUV VH and Vin becomes OFF state before tALM UV elapses thus the protection operation is stopped after the elapse of tALM UV In Case 2 the protection...

Страница 52: ...eration 5 2 2 During Shutdown When VCC falls below VUV an alarm signal is output after the elapse of 20 s in both Case 3 when the inclination of VCC is fast and Case 4 when the inclination of VCC is s...

Страница 53: ...m signal outputs are a common output on the lower arm Therefore there are some cases when several alarm are output because of the variation in the under voltage protection level of the control ICs If...

Страница 54: ...in is in OFF state before the elapse of tdOC after IC exceeds IOC the protection operation is not activated and the IGBT is turned off normally 2 4 Even if IC exceeds IOC when Vin is in ON state if Vi...

Страница 55: ...comes OFF state Even if the protection operating duration is sufficiently longer than tALM OC the alarm signal is output only once 4 If a load short circuit occurs after IC began to flow the peak curr...

Страница 56: ...te after the elapse of tALM TjOH 2 The protection operation continues if Vin is in ON state even if Tvj drops below TjOH TjH after the elapse of tALM TjOH 3 The protection operation continues after th...

Страница 57: ...s TjOH the TjOH detection timer of which duration is approximately 1ms is reset 3 Vin Input signal voltage VALM Alarm signal voltage IC Collector current tALM TjOH Alarm signal hold time TjOH IGBT chi...

Страница 58: ...d because the protection operation of tALM TjOH continues 2 The protection operation is reset after the elapse of tALM TjOH if Vin is in OFF state and Tvj drops below TjOH TjH 3 1 Soft turn off This m...

Страница 59: ...VCC drops below VUV continuously for 20 s UV protection is activated and the alarm signal is output 6 The protection operation is stopped after the elapse of tALM UV if Vin is in OFF state and VCC ex...

Страница 60: ...ng operation continues 1 When Tvj falls below TjW the Tvj warning signal output terminal voltage returns to VCC 2 Next if Tvj exceeds TjOH in the state of 1 an alarm signal is output and the switching...

Страница 61: ...15962a 1 Typical application circuits 4 2 2 Important remarks 4 6 3 Optocoupler peripheral circuits 4 9 4 Connector 4 10 Chapter 4 Typical application circuits Fuji Electric Co Ltd All rights reserved...

Страница 62: ...ights reserved Figure 4 1 shows the typical application circuits of P629 and P639 6in1 only lower arm has alarm signal output function This chapter describes the typical application circuits of the X...

Страница 63: ...Ltd All rights reserved Figure 4 2 shows the typical application circuits of P626 and P636 6in1 4 3 Fig 4 2 Typical application circuits of P626 and P638 b When not using the upper arms alarm a When...

Страница 64: ...l application circuits of P626 P630 P631 P636 and P638 6in1 with temperature warning function b When not using the upper arms alarm a When using the upper arms alarm If the temperature warning functio...

Страница 65: ...ed Figure 4 4 shows the typical application circuits of P630 P631 P636 and P644 7in1 with built in brake 4 5 Fig 4 4 Typical application circuits of P630 P631 P636 and P644 7in1 b When not using the u...

Страница 66: ...ulation between four power supply units input portion connector and PCB The four power supply units and the main power source have to be insulated from each other Be sure to secure a sufficient insula...

Страница 67: ...to VCC UV protection is activated and IPM cannot be operate 2 8 Connection when there is an unused phase If there are cases when a 6in1 without brake part is used in only single phase or a 7in1 with...

Страница 68: ...noise from flowing in the system 2 12 Input circuit of IPM There are constant current circuits in the input circuit of IPMs as shown in Figure 4 5 a The constant current of lin 0 15 mA or lin 0 65 mA...

Страница 69: ...not guaranteed by Fuji Electric 4 9 3 1 2 Primary side current limiting resistor The current limiting resistor on the primary side should be selected so that sufficient current can flow on the second...

Страница 70: ...tors are unnecessary If a large current Iout 10mA is required for the optocoupler output side it is necessary to increase the optocoupler s CTR value in order to supply the required current 3 2 3 Wiri...

Страница 71: ...MT6M15962a 1 Guidelines for heat sink selection 5 2 2 Notice for heat sink selection 5 2 3 Mounting instruction of the IPM 5 3 Chapter 5 Cooling Design Fuji Electric Co Ltd All rights reserved 5 1...

Страница 72: ...n please refer to the following documents Fig 5 1 Flatness of heat sink surface This chapter describes the cooling design of the X series IPM 5 2 2 Notice for heat sink selection IGBT Module Applicati...

Страница 73: ...e thickness is larger than the appropriate thickness the grease layer prevents the heat transfer from the IPM to the heat sink and the junction temperature will be increased On the other hand if the t...

Страница 74: ...MT6M15962a Fuji Electric Co Ltd All rights reserved 5 4 Fig 5 2 Outline of a thermal grease application method Guide pins for IGBT Guide pins for Frame Guide holes for bottom tool...

Страница 75: ...ed thermal grease thickness after spreading of thermal grease is 100 m Also please note that the optimum thermal grease thickness varies depending on the characteristics of the thermal grease used and...

Страница 76: ...ive the case may be damaged 3 4 IPM mounting direction When an IPM is mounted on an extruded heat sink it is recommended that the IPM is mounted in parallel to the extrusion direction as shown in Figu...

Страница 77: ...directly below the chip and verify the chip junction temperature Tvj Figure 5 4 shows an example of how to accurately measure the case temperature Tc Please measure the case temperature directly below...

Страница 78: ...15962a 1 Main power supply 6 2 2 Control power supply 6 3 3 Protection functions 6 5 4 Power cycling capability 6 7 5 Others 6 7 Chapter 6 Precautions for use Fuji Electric Co Ltd All rights reserved...

Страница 79: ...alfunction Connecting snubber circuits to both P1 N1 and P2 N2 is effective in suppressing surge voltage Table 6 1 Terminal arrangement of each package 1 2 Measures against exogenous noise Although me...

Страница 80: ...efore action Hi OFF Lo ON 12 5 VCC 13 5 UV protection is not activated The IGBT operation follows the input signal Power dissipation tends to increase and emission noise tends to decrease Cancelled Hi...

Страница 81: ...circuit should be designed to generate input signals after the alarm signal output period elapsed The alarm signal is output during shutdown of the control power supply Refer to Chapter 3 section 5 f...

Страница 82: ...is output stop the input signal to the IPM and shutdown the system immediately The protection functions protect the IPM against abnormal operation but they are not able to eliminate the causes If an...

Страница 83: ...29 and P639 but SC protection works and the IGBT is turned off slowly 3 2 4 Start up under short circuit or ground fault status The protection is not activated in case of the input signal pulse width...

Страница 84: ...se it after fully considering the product life and usage environment If the IPM is restarted with a broken power chip the protection function will not operate properly which may result in a large scal...

Страница 85: ...e is not used in a built in brake type supply the control power to the unused phases as well Supply the control power and pull up both input terminal Vin and alarm output terminal ALM to VCC If the co...

Страница 87: ...and find the root cause of the breakdown Failure tree analysis charts are shown in Figure 7 1 Carry out the investigation of the failure mode by using these charts For the failure criteria see Chapte...

Страница 92: ...MT6M15962a Tvj F Tc C E G E THB Fuji Electric Co Ltd All rights reserved 7 7 Fig 7 1 IPM failure tree analysis chart f Mode F Breakdown related to reliability and product handling...

Страница 93: ...e factor in accordance with the alarm factor analysis tree chart indicated in Figure 7 2 Similar to V IPM it is possible to identify which protection function is activated by checking the alarm signal...

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