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Power integrations Scale-2 1SC0450E2B0 Applications Manual

Single-channel cost-effective drive core for igbts up to 4500v and 6500v
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SCALE™-2 1SC0450E2B0
SCALE™-2 1SC0450E2B0
Preliminary Description & Application Manual
Single-Channel Cost-Effective Driver Core for IGBTs up to 4500V and 6500V
Abstract
The 1SC0450E2B0 single-channel SCALE™-2 driver core combines unrivalled compactness with broad
applicability and cost-effectiveness. It is designed for industrial and traction applications requiring high
reliability. The 1SC0450E2B0 drives all usual high-voltage IGBT modules up to 4500V and 6500V. Up to four
parallel-connected IGBT modules can be driven to cover higher power ratings. Multi-level topologies
involving 3300V or 4500V IGBTs with higher isolation requirements can also be easily supported by the
1SC0450E2B0.
The 1SC0450E2B0 supports maximal design flexibility as no fiber-optic links are assembled on the driver
board. Gate drive input and output signals are provided over dedicated electrical interface connectors.
The 1SC0450E2B0 is the most compact driver core in its voltage and power range, featuring a footprint of
only 60mm x 90mm and a maximum insertion height of 27.5mm. It allows even the most restricted insertion
spaces to be efficiently used.
Fig. 1
1SC0450E2B0 driver core
www.power.com/igbt-driver
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Summary of Contents for Power integrations Scale-2 1SC0450E2B0

  • Page 1 SCALE™-2 1SC0450E2B0 SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Single-Channel Cost-Effective Driver Core for IGBTs up to 4500V and 6500V Abstract The 1SC0450E2B0 single-channel SCALE™-2 driver core combines unrivalled compactness with broad applicability and cost-effectiveness. It is designed for industrial and traction applications requiring high reliability.

  • Page 2: Table Of Contents

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Contents Driver Overview ..........................4 Mechanical Dimensions ........................5 Pin Designation ..........................7 Recommended Interface Circuitry for the Primary-Side Connector ..........8 Description of Primary-Side Interface ................... 8 General ..........................8 VCC terminal ........................8 VDC terminal ........................
  • Page 3 SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Ordering Information ........................24 Information about Other Products ....................24 Power Integrations Sales Offices ....................25 www.power.com/igbt-driver Page 3...

  • Page 4: Driver Overview

    Preliminary Description & Application Manual Driver Overview The 1SC0450E2B0 is a driver core equipped with the latest SCALE-2 chipset from Power Integrations /1/. The SCALE-2 chipset comprises a set of application-specific integrated circuits (ASICs) that cover the main functions needed to design intelligent gate drivers. The SCALE-2 driver chipset is a further development of the proven SCALE™-1 technology /2/.

  • Page 5: Mechanical Dimensions

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Mechanical Dimensions Fig. 3 Interactive 3D drawing of the 1SC0450E2B0 www.power.com/igbt-driver Page 5...
  • Page 6 SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Fig. 4 Mechanical drawing of the 1SC0450E2B0 The primary-side and secondary-side pin grid is 2.54mm (100mil) with a pin cross-section of 0.64mm x 0.64mm. Total outline dimensions of the board are 60mm x 90mm. The total height of the driver is maximum 27.5mm measured from the bottom of the pin bodies to the top of the populated PCB.

  • Page 7: Pin Designation

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Pin Designation Pin No. and Name Function Primary Side Status output primary side; normally pulled up to VCC over a 10kΩ resistor, pulled down to low in case of a fault Ground Supply voltage; 15V supply for primary side DC/DC converter supply Ground Secondary Side...

  • Page 8: Recommended Interface Circuitry For The Primary-Side Connector

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Recommended Interface Circuitry for the Primary-Side Connector Fig. 5 Recommended user interface of the 1SC0450E2B0 (primary side) Description of Primary-Side Interface General The primary-side interface of the 1SC0450E2B0 driver is very simple and easy to use. The driver primary side is equipped with a 5-pin interface connector with the following terminals: ...

  • Page 9: Gnd

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Both ground pins must be connected together with low parasitic inductance. A common ground plane is strongly recommended. Furthermore it is recommended to shield all primary-side circuitry with the ground plane. The connecting distance between the ground pins must be kept to a minimum. SO (status output) When no primary-side under-voltage condition is detected, an internal pull-up resistor of 10kΩ...

  • Page 10: Pins 17 To 32

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Pins 17 to 32 Fig. 7 Recommended command interface circuitry with Avago fiber-optic links HFBR-x522ETZ Description of Secondary-Side Interfaces General The driver’s secondary side is equipped with an 11-pin and two 8-pin interface connectors. The 11-pin interface connector features the following terminals: ...

  • Page 11: Dc/Dc Output (Viso), Emitter (Ve) And Com Terminals

    Fig. 6). If the capacitance C (or C ) exceeds 200µF (or 100µF), please contact the Power Integrations support service. The blocking capacitors must be connected as close as possible to the driver’s terminal pins with minimum inductance. Ceramic capacitors with a dielectric strength ≥25V are recommended.
  • Page 12 SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual power and temperature rating of the resistors used must not be exceeded. Dimensioning recommendations are given below. DC-link ( max ) ≅ =0.6...0.8mA Eq. 5  All resistors R (i ≥ 1) must have the same value. vcei ...
  • Page 13 SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual =68kΩ =91kΩ =120kΩ DC-Link 4500V 5.3µs 6.9µs 9.0µs 3000V 5.3µs 7.0µs 9.1µs 2250V 5.5µs 7.0µs 9.1µs 1500V 7.2µs 8.0µs 9.4µs 1125V 9.9µs 10.3µs 11.1µs 900V 14.1µs 14.1µs 14.2µs Table 1 Typical response time as a function of the resistance R and the DC-link voltage V DC-Link Table 1 gives indicative values only.

  • Page 14: Input For Adjusting The Turn-Off Delay In Fault Condition (Cshd)

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Recommended values for 3300V IGBTs with DC-link voltages up to 2200V  =…=R =220kΩ (500mW, 400V , 1%) vce1 vce2 vce14 peak  =1.5MΩ (0603, 1%)  =15pF (C0G, 1000V, 5%) vce1  =…=C =22pF (C0G, 630V, 5%) vce2...

  • Page 15: Active Clamping (Acl)

    (TVS) to the IGBT gate. The 1SC0450E2B0 supports Advanced Active Clamping from Power Integrations, where the feedback is also provided to the driver’s secondary side at pin ACL (Fig. 6): as soon as the voltage at pin ACL exceeds about 1.3V, the turn-off MOSFET is progressively switched off in order to improve the effectiveness of the active clamping and to reduce the losses in the TVS.

  • Page 16: Gate Boosting Power Supply (Vgb)

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Note, however, that it is not advisable to operate the power semiconductors within a half-bridge with a driver in the event of a low supply voltage. Otherwise, a steep increase of V may cause partial turn-on of these IGBTs.
  • Page 17 SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual (refer to the chapter “Input for adjusting the turn-off delay in fault condition (CSHD)”). Note that CSHD failure to respect the minimum hold time may lead to incorrect driver behavior. The recommended circuitry for using the OUT terminal as an external fault input is shown in Fig. 7 (transistor connected to “External fault input”).
  • Page 18 SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Light Status Feedback Status Idle High Acknowledge High or fault pulse Table 6 Signal truth table correlated with the schematics of Fig. 7 Fig. 9 shows the response of the driver in the event of an IGBT short-circuit condition. The fault status is transferred to the status feedback terminal after the response time.

  • Page 19: How Do 1Sc0450E2B0 Scale-2 Drivers Work In Detail

    Parallel connection of IGBT modules It is recommended to drive parallel-connected IGBT modules using a single 1SC0450E2B0 driver core. Appropriate gate circuitry has to be used. Please contact the Power Integrations support service for more information. 3-level or multilevel topologies In applications with multi-level topologies, the turn-off sequence of the individual power semiconductors usually needs to be controlled by the host controller in case of a detected fault condition (e.g.

  • Page 20: Gate Boosting

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Gate Boosting The 1SC0450E2B0 driver supports gate boosting. This feature allows the commutation speed of the collector-emitter voltage to be accelerated at turn-on after the critical phase of the diode reverse recovery behavior to reduce the IGBT turn-on losses. A dedicated external circuit as shown in Fig.
  • Page 21 SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Fig. 11 Gate-boosting circuit principle – highlighted in red color Fig. 12 Gate-boosting signals How to disable gate boosting? Pins VGB and GBS must be left open. Note that the voltage values of the pins VGB and GBS are 50V and 35V respectively referred to COM (creepage and clearance distances).

  • Page 22: Bibliography

    Application note AN-1101: Application with SCALE™-2 and SCALE™-2+ Gate Driver Cores, Power Integrations Application note AN-0904: Direct Paralleling of SCALE™-2 Gate Driver Cores, Power Integrations Application note AN-0901: Methodology for Controlling Multi-Level Converter Topologies with SCALE™-2 IGBT Drivers, Power Integrations...

  • Page 23: The Information Source: Scale-2 Driver Data Sheets

    Preliminary Description & Application Manual The Information Source: SCALE-2 Driver Data Sheets 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.

  • Page 24: Ordering Information

    Direct link: www.power.com/igbt-driver/go/cores For other drivers, product documentation and application support: Please click: www.power.com © 2014…2017 Power Integrations Switzerland GmbH. All rights reserved. We reserve the right to make any technical modifications without prior notice. Version 1.0 from 2017-06-13 www.power.com/igbt-driver...

  • Page 25: Www.power.com/Igbt-Driver

    SCALE™-2 1SC0450E2B0 Preliminary Description & Application Manual Power Integrations Sales Offices WORLD HEADQUARTERS AMERICAS EAST AMERICAS CENTRAL 5245 Hellyer Avenue 7360 McGinnis Ferry Road 333 Sheridan Road San Jose, CA 95138 USA Suite 225 Winnetka, IL 60093 USA Tel: +1-408-414-9200...

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