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Data Sheet 6SD106E
Six-pack SCALE Driver 6SD106E for IGBTs and Power MOSFETs
Description
The SCALE drivers from CONCEPT are based on a chip set that was developed specifically for the reliable driving and safe operation of IGBTs and power MOSFETs.
The name "SCALE" is an acronym for the most outstanding properties of the SCALE series of drivers:
IGD LDI
IGD
LDI = Logic to Driver Interface IGD = Intelligent Gate Driver
SCALE = Scaleable, Compact, All purpose, Low cost and Easy to use.
The SCALE driver is a winning project of the competition organized by "Technology Center Switzerland 1998". And ABB Switzerland AG honored the development of the SCALE driver by distinguishing it as the "best power electronics project in 1998".
Product Highlights
Suitable for IGBTs and power MOSFETs Short circuit and overcurrent protection Extremely reliable, long service life High gate current of 6A Electrical isolation of 4000VAC Electrically isolated status acknowledgement Monitoring of power supply and self-monitoring Switching frequency DC to >100kHz Duty cycle: 0... 100% High dv/dt immunity, guaranteed >100,000V/s Complete with DC/DC converter
Applications
Inverters Motor drive technology Traction Railroad power supplies Converters Power engineering Switched-mode power supplies Radiology and laser technology DC/DC converter Research RF generators and converters
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Data Sheet 6SD106E
Block Diagram
Rth
VDD
IGD
Rg
LDI
Viso1
GND
Rth
IGD
Rg
Viso2 VDC Viso1
PWM oscillator
Viso2 GND
Interface on Electronic Level
Electrical Isolation SCALE Driver Module
Driver on Power Level
Power Semiconductor (external)
Fig. 1 Block diagram shows 2 channels (i.e. one third) of the 6SD106E
The block diagram shows two channels (i.e. one third) of the 6SD106E six-pack driver. There is only one PWM oscillator, whereas all other components are present in triplicate.
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Data Sheet 6SD106E
Pin Designation
Pin Des. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Function Pin Des. 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 U_C2 U_Rth2 U_E2 U_G2 Function
GND Ground of the power supply U_SO2 Phase U, Status output channel 2 U_Mod Phase U, Mode input U_RC2 Phase U, RC network channel 2 U_InB Phase U, Input B U_InA Phase U, Input A U_RC1 Phase U, RC network channel 1 U_VL Phase U, Logic level/Reset U_SO1 Phase U, Status output channel 1 GND Ground of DC/DC converter GND Ground of DC/DC converter VDC +15V for DC/DC converter VDC +15V for DC/DC converter V_SO2 Phase V, Status output channel 2 V_Mod Phase V, Mode input V_RC2 Phase V, RC network channel 1 V_InB Phase V, Input B V_InA Phase V, Input A V_RC1 Phase V, RC network channel 1 V_VL Phase V, Logic level/Reset V_SO1 Phase V, Status output channel 1 GND Ground of the power supply GND Ground of the power supply VDD +15V for electronic input side VDD +15V for electronic input side W_SO2 Phase W, Status output channel 2 W_Mod Phase W, Mode input W_RC2 Phase W, RC network channel 2 W_InB Phase W, Input B W_InA Phase W, Input A W_RC1 Phase W, RC network channel 1 W_VL Phase W, Logic level/Reset W_SO1 Phase W, Status output channel 1 GND Ground of the power supply
Phase U, Collector sense ch. 2 Phase U, Reference resistor ch. 2 Phase U, Emitter channel 2 Phase U, Gate channel 2 Free Free U_C1 Phase U, Collector sense ch. 1 U_Rth1 Phase U, Reference resistor ch. 1 U_E1 Phase U, Emitter channel 1 U_G1 Phase U, Gate channel 1 Free Free V_C2 Phase V, Collector sense ch. 2 V_Rth2 Phase V, Reference resistor ch. 2 V_E2 Phase V, Emitter channel 2 V_G2 Phase V, Gate channel 2 Free Free V_C1 Phase V, Collector sense ch. 1 V_Rth1 Phase V, Reference resistor ch. 1 V_E1 Phase V, Emitter channel 1 V_G1 Phase V, Gate channel 1 Free Free W_C2 Phase W, Collector sense ch. 2 W_Rth2 Phase W, Reference resistor ch. 2 W_E2 Phase W, Emitter channel 2 W_G2 Phase W, Gate channel 2 Free Free W_C1 Phase W, Collector sense ch. 1 W_Rth1 Phase W, Reference resistor ch. 1 W_E1 Phase W, Emitter channel 1 W_G1 Phase W, Gate channel 1
Legend:
Pins with the designation "Free" are not physically present
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Data Sheet 6SD106E
Mechanical Dimensions
Fig. 2 Front view (top) / Layout overview component side (bottom) 6SD106E
Grid of the aspect drawing on page 4 below: 2.54mm (100mil) Recommended diameter of solder pad: O 1.6mm; diameter of drill holes: O 1.0mm
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Data Sheet 6SD106E
Fig. 3 Side view (top) / Mechanical fixing (bottom) 6SD106E
Height X: typ. 25mm in first series (1998); typ. 16mm from 1999
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Data Sheet 6SD106E
Mechanical fixing
The 6SD106E driver has two holes each 2.7mm in diameter. They allow additional fixing of the driver for applications requiring very high resistance to shaking/vibration (railways, traction systems, electrically-driven vehicles, etc.). See Fig. 3 (bottom).
Absolute Maximum Ratings
Parameter Supply voltage VDC Supply voltage VDD Logic input voltage Gate peak current Iout Output power DC/DC converter Operating voltage Test voltage (50Hz/1min) Operating temperature Storage temperature Test conditions min max 0 16 0 16 0 VDD -6 +6 6 800 4000 0 +70 -40 +85 -40 +90 unit Vdc Vdc Vdc A W Vdc VAC(eff) C C C
to GND Gx to Ex total for 6 channels continuous (see Note 8) inputs to outputs 6SD106EN (see Note 10) 6SD106E I (see Note 10) all types
All data refer to +25C and VDD = VDC = 15V unless otherwise specified
Electrical Characteristics
Power supply Nominal supply voltage VDC Supply current IDC Max. supply current IDC Output power DC/DC converter Efficiency Nominal supply voltage VDD Supply current IDD Supply current IDD Test conditions to GND (see Note 1) without load
(see Note 2) (see Note 3)
min
typ max 15 70 460 6 85 15 35 44
unit Vdc mA mA W % Vdc mA mA
internal DC/DC converter to GND without load at 25kHz switching frequency
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Data Sheet 6SD106E
Electrical Characteristics (Continuation)
Power supply monitoring Turn-on threshold Vth Hysteresis on-/off Test conditions
(see Note 4) (see Note 4)
min
typ max 11.5 0.7
unit Vdc Vdc
Logic inputs Input voltage Timing characteristics Delay time input to output Blocking time Outputs Output current IG Output rise time tr(out) Output fall time tf(out) Output current SOx Output voltage rating SOx Vce-Monitoring Inputs Cx Electrical isolation Operating voltage Test voltage Partial discharge extinction volt. Creep path input-output Creep path output-output Maximum DV/Dt at DV =1000V
Test conditions all inputs (see Note 5) Test conditions turn-on tpd(on) turn-off tpd(off) after failure (see Note 14) Test conditions Gx to Ex (see Note 6) Gx to Ex (see Note 7) Gx to Ex (see Note 7) SOx to GND Test conditions to Ex Test conditions continuous (see Note 8) (50Hz/1min) (see Note 12) IEC270 (see Note 11)
(see Note 13) (see Note 9)
min 0 min
typ max VDD typ max 300 350 1
unit Vdc unit ns ns s unit Adc ns ns mA V unit Vdc unit Vdc VAC(eff) VAC(pk) mm mm kV/ms
min -6
typ max +6 100 80
1.5 VDD min 0 min typ max VDD typ max 800 4000 >1200 12.7 7.0/12.7 100
All data refer to +25C and VDD = VDC = 15V unless otherwise specified
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Data Sheet 6SD106E
Operating conditions
Operating conditions Operating temperature Storage temperature Test conditions 6SD106EN (see Note 10) 6SD106E I (see Note 10) all types min max 0 +70 -40 +85 -40 +90 unit C C C
Footnotes to the key data
1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) The drivers have a zener diode on each channel for over-voltage protection. When the feed voltage exceeds 16V, this protection can be subject to thermal overload. If the specified power consumption is exceeded, this indicates an overload of the DC/DC converter. It should be noted that these DC/DC converters are not protected against overload. This should be considered as a recommended value. Please consult the section: "Output power and self-heating". Under-voltage monitoring for protecting the power semiconductors. The voltage refers to the local supply voltage of each individual drive channel. However, this corresponds approximately to the voltage at VDC with respect to GND. The input levels must never exceed the limits of the supply voltage (i.e. between GND and VDD), otherwise latch-up of the integrated circuits LDI 00I can occur. Particular care must be taken when driving via cables or longer leads. The gate current must be limited to its maximum value by a gate resistor. At a load of 39nF in series with 5.6 W (typical load of a 1200V/100A IGBT). Maximum continuous or repeatedly-applied DC voltage or peak value of the repeatedly-applied AC voltage between all inputs and all outputs. However, types that have been measured and selected for higher partial-discharge voltages (e.g. for 1700V IGBT modules) are also available (see Note 11). This specification guarantees that the drive information will be transferred reliably even at a high DClink voltage and fastest switching operations. The application-specific self-heating of the drivers - specially at high load - must be taken into account. The partial discharge is not measured for the standard types. Tested and selected types with guaranteed partial-discharge immunity can be supplied for applications with maximum requirements and higher operating voltages (such as railroad applications). The test voltage of 4000 Vac(rms)/50Hz may be applied only once during a minute. It should be noted that with this (strictly speaking obsolete) test method, some (minor) damage occurs to the isolation layers due to the partial discharge. Consequently, this test is not performed at CONCEPT as a series test. In the case of repeated isolation tests (e.g. module test, equipment test, system test) the subsequent tests should be performed with a lower test voltage: the test voltage is reduced by 400V for each additional test. The more modern if more elaborate partial-discharge measurement is better suited than such test methods as it is almost entirely non-destructive. The first series (1988) has a creep path of 7.0mm between adjacent channels. A creep path of 12.7mm will be implemented (with 100% mechanical compatibility) in later series. The typical blocking time after an error is 1 second. If required, versions with other blocking times may also be supplied.
13) 14)
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Data Sheet 6SD106E
Application Hints
IMPORTANT INFORMATION
This data sheet contains only product-specific data. All data that apply to the whole type series of SCALE drivers is given in the document entitled: "Description and Application Manual for SCALE Drivers". In particular, this manual contains a detailed description of the concept of the SCALE drivers, a description of the function of all terminal pins as well as other important application hints.
Overview and application
The SCALE driver 6SD106E is a six-pack driver for power MOSFETs and IGBTs. The terminal pins of the 6SD106E driver are arranged so that the layout can be kept very simple and the logic signal flow (input signal drive circuit power transistors) is maintained. A distance of 12.7mm is observed between the drive signal and the power potential!
Collector sense and dimensioning of Rth
The 6SD106E sixpath driver has a collector-sense circuit to protect the power semiconductors. It is shown in Fig. 4 Its basic operating mode can be obtained from the brochure entitled: "Description and Application Manual for Scale Drivers". To correspond more effectively to the turnon characteristic of the IGBTs, the SCALE
V+
V+
1.4mA
OVERCURRENT
150uA 4 Rm Ca 5
5WK[
Dm (2 x 1N4007) Cx
MEASURING
RGx Gx Rthx
IGD 001 SCALE Driver Module
Fig. 4 Collector-sense circuit principle
Ex
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Data Sheet 6SD106E
+Vdc Vce Detail Vth 0V
Response time
drivers do not use a static reference voltage to compare the voltage at the collector. Instead, the reference is used as shown in Fig. 5. Notes on Table 1 The values for "Vth1" and "Vth2" are listed in Table 1 as a function of the reference resistance Rth. The value in the "Vth1" column corresponds to the voltage threshold after the response time has elapsed. The value in the "Vth2" column corresponds to the voltage which is set up statically across the resistor Rth. This static value is typically reached after between 10 and 15 s.
Detail view
Vth1 Vce Vth2
0V
Fig. 5 Collector-sense voltage curve
Value Rth 22k 27k 33k 39k 47k Reaction time 4.9ms 5.7ms 6.8ms 7.6ms 9ms Vth1 4.8V 5.6V 6.5V 7.3V 8.4V
The value in the "VCE(off)" column corresponds to the collector-emitter voltage value at which the protection function is activated when the external circuit is used as shown in Fig. 4 with one or two Dm diodes of type 1N4007 connected in series.
Vth2 3.2V 3.9V 4.7V 5.6V 6.8V
VCE(off) 2.35V (1 Diode) 3.05V (1 Diode) 3.25V (2 Diodes) 4.15V (2 Diodes) 5.35V (2 Diodes)
Table 1 Reference resistor, reaction time and turn-off threshold
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Data Sheet 6SD106E
Output power and self-heating
The specified output power of the driver totals 6W (1W per channel). This typically suffices to drive a 100A/1200V six-pack IGBT module with 25kHz. In the case of a drive power of 6W, the typical input power of the driver is about 7W; the losses due to the driver total about 1 W. Because CONCEPT cannot predict how the drivers will be incorporated in the user's application, no binding recommended value for selfheating and thus for the maximum useful output power at high ambient temperatures can be made. It is consequently recommended to check the self-heating of the system, especially when it is used at higher temperatures. For the calculation of the exact output power, reference should be made to Application Note AN-9701 "IGBT drivers correctly calculated" from CONCEPT.
If you need any help, simply call our technical support
CONCEPT offers you expert help for your questions and problems: E-Mail: support@ct-concept.com or on the Internet: www.CT-CONCEPT.com Fax international ++41 32 / 322 22 51 (in Switzerland: 032 / 322 22 51) Tel international ++41 32 / 322 42 36 (in Switzerland: 032 / 322 42 36)
Quite special: customized SCALE drivers
If you need a power MOSFET or IGBT driver that is not included in the delivery range, don't hesitate to contact CONCEPT or your CONCEPT sales partner. CONCEPT engineers have more than 15 years experience in the development and manufacture of intelligent drivers for power MOSFETs and IGBTs and have already implemented a large number of customized solutions.
Exclusion Clause
CONCEPT reserves the right to make modifications to its technical data and product specifications at any time without prior notice. The general terms and conditions of delivery of CT-Concept Technology Ltd. apply.
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Data Sheet 6SD106E
Ordering Information
Six-pack SCALE driver with 6A gate current / 15V gate voltage Standard version (0...70C) Industry version (-40...+85C) 6SD106EN 6SD106EI
Additional Products and Information
Drivers for high isolation voltages (i.e. railroad applications) Please request further information Other intelligent drivers (i.e. half-bridge drivers etc.) Please ask for following overviews from CONCEPT (also to be found on the Internet): "Overview of Intelligent Drivers Standard Program" "Overview of SCALE Drivers" Evaluation boards Please ask for following overview from CONCEPT (also to be found on the Internet): "Overview and Price List of Evaluation-Boards"
Manufacturer
CT-Concept Technology Ltd. Intelligent Power Electronics Hauptstrasse 3 CH-2533 Leubringen / Evilard (Switzerland) Tel ++41 (0)32 / 322 42 36 Fax ++41 (0)32 / 322 22 51 E-Mail info@ct-concept.com Internet www.CT-CONCEPT.com Internet www.IGBT-Driver.com
Your Distribution Partner
(c) Copyright 1998 by CT-Concept Technology Ltd. - Switzerland.
We reserve the right to make any technical modifications without prior notice.
All rights reserved. Version from 17.11.98
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