Power Semiconductor Device Testing Solutions Guide A Tektronix Company 2 www.tek.com A Tektronix Company High Power Semiconductor Device Testing and Characterization Choosing the Optimal Solution Throughout the Device Lifecycle From its early stages of device and process design through application development, a power semiconductor device endures a variety of characterization and testing. And, engineers must be able to configure the most appropriate solution to accomplish the particular requirements in each stage. Adding to this challenge, the best solution may sometimes need Device and to be upgraded or enhanced throughout the life of the device. Process Desig A De ppli ve ca lo p n atio riz te ac L I F E C YC L E duc Test tion E n d Use D e sig ns POWE R S E MI DE V ICE Pr o This selection guide can help you choose the ideal instrument or system for efficient, flexible test and characterization across the entire power semiconductor device life cycle. n C ha r ns t tio en m F A n a il u r a ly e s is R e li a b i li ty www.keithley.com 1 2460 Interactive High Current SourceMeter® SMU Instrument A New Intuitive Experience in High Current, High Power DC Source Measure Testing Learn Faster; Work Smarter; Invent Easier. • Icon menu system eliminates complex, multi-layer menu structures. • Change ranges and source values with a simple touch on the display. • Full charting with “pinch and zoom,” data display and data exportation for immediate analysis. • The 2460 SMU Instrument couples a highly flexible, four-quadrant voltage and current source/load with precision voltage and current meters. • With 7A DC and pulse current capability, the 2460 SMU Instrument is optimized for characterizing and testing a wide range of high power materials, devices and modules. • Typical Power Applications: Power Semiconductor and Materials; Power Devices; LEDs/Lighting; Electrochemistry; Energy Generation and Efficient Energy Consumption. 2 www.tek.com +7A +5A +4A Quadrant II – Sink Quadrant I + Source Quadrant III – Source Quadrant IV + Sink +1A 0A –1A –4A –5A –7A –100V –20V –10V 0V DC or Pulsed 2460 Power Envelope +10V +20V +100V A Tektronix Company Benchtop Power Device Characterization Solutions From Basic Curve Tracing to On-State/Off-State Testing All power semiconductor devices require thorough characterization, from simple two-terminal devices such as resistors, capacitors and diodes to three-terminal and four-terminal devices such as MOSFETs, BJTs and IGBTs. A source measure unit (SMU) instrument, such as a Keithley SourceMeter ® SMU instrument, is the most versatile instrument for characterizing power semiconductor devices. From simple, basic curve tracing to detailed on-state and off-state testing, a SourceMeter SMU instrument is the fundamental building block for DC characterization of power semiconductor devices. This selector table compares the power levels, connection schemes, communications interfaces, and programming and software available from the various Keithley SMU instruments. Many even feature TSP-Link® expansion technology, a master interface that enables combining up to 32 or even 64 SourceMeter SMU instruments for multi-channel parallel testing without a mainframe. 2460 DC Current Max/Min 2430 2410 2636B 2651A 2657A 2290-5 2290-10 20A/1pA or 40A in parallel 120mA/1fA 5mA/1µA 1mA/1µA 5000V/50V 10,000/100V 7A/1pA 3A/100pA 1A/10pA 1.5A/0.1fA or 3.0A in parallel 7A 10.5A 1A 10A or 20A in parallel 50A or 100A in parallel 120mA/1fA 100V/100nV 200V/1µV 1000V/1µV 200V/100nV 40V/1µV 3000/100µV Max Power 105W 1100W 22W 200W 2000W 180W 25W 10W Connectors Banana, 8 pin mass terminated Banana Banana Triax 2 pin and 8 pin mass terminated High Voltage Triax 5KV SHV Coax 10KV SHV Coax Communications GPIB, USB, Ethernet, Digital I/O,TSP-Link GPIB, RS232, Digital I/O, Trigger Link GPIB, RS232, Digital I/O, Trigger Link GPIB, USB, RS232, Ethernet, Digital I/O, TSP-LINK GPIB, USB, RS232, Ethernet, Digital I/O, TSP-LINK GPIB, USB, RS232, Ethernet, Digital I/O, TSP-LINK GPIB GPIB, RS-232 TSP, SCPI, IVI Drivers SCPI, IVI Drivers SCPI, IVI Drivers TSP, IVI Drivers TSP, IVI Drivers TSP, IVI Drivers SCPI, IVI Drivers SCPI, IVI Drivers KickStart, TS Builder, LabView ACS, ACS Basic, LabView ACS, ACS Basic, LabView Ivy, ACS, ACS Basic, TSP Express, TS Builder, LabView ACS, ACS Basic, TSP Express, TS Builder, LabView ACS, ACS Basic, TSP Express, TS Builder, LabView ACS, ACS Basic, LabView ACS, ACS Basic, LabView 8020 Contact Keithey Contact Keithey 8020 8020 8020 Contact Keithey Contact Keithey Pulse Current Voltage Max/Min Programming Software Probe Station Interface Contact Keithley for configuration assistance or to learn more about product selection. www.keithley.com 3 2600-PCT-4B Parametric Curve Tracer connected through the 8020 High Power Interface Panel to the Signatone 3kV/100A Wafer Probe Station Complete Power Device Characterization Systems Engineered for Optimum Performance and Price Keithley Parametric Curve Tracers (PCT) support a broad range of device characterization tasks, including: • Device and Process Design 3kV •Modeling • Reliability Testing • Power Device Applications Development • Failure Analysis • Production Test 200V SMU 200V SMU Based on Keithley’s family of high power SourceMeter 200V SMU SMU instruments, PCTs support up to 3kV for off-state test and 100A for on-state test. Optionally, multi-frequency 50A SMU capacitance vs. voltage (C-V) testing capability is available for any PCT configuration. PCTs are engineered to provide a Model 8020 High Power Interface Panel Manages • Series resistors • High voltage bias tees • Overvoltage protection • Cabling differences b etween measurements • Connector interface to p robe stations and fixtures 50A SMU comprehensive solution, so they include all the instruments required, as well as specialized interconnects and cables, CVU safe test fixtures, probe station interfaces, and powerful software, to support test development, data acquisition, graphing, and data analysis. Sample libraries are provided for all common device types, including resistors, capacitors, diodes, bipolar transistors, MOSFETS, IGBTs and many other devices. More than 400 test libraries are included, as well as software tools to develop fully customized tests quickly in a variety of ways. 8020 High Power Interface Panel 4 www.tek.com Keithley’s Parametric Curve Tracer configurations support both package part and wafer level testing. A Tektronix Company WAFER LEVEL CHARACTERIZATION 8020 High Power Interface Panel Prober Wafer Probe Chuck PROBE STATION PCT CONFIGURATION 2600-PCT-4B RESULTS 8010 High Power Device Test Fixture PACKAGED PARTS CHARACTERIZATION Parametric Curve Tracer Configurations Complete Test Development, Data Acquisition, Graphing, and Data Analysis Collector/Drain Supply Model High Voltage Mode High Current Mode Step Generator Base/Gate Supply AuxilliarySupply Low Power 2600-PCT-1B 200V/10A 200V/10A 200V/10A NA High Current 2600-PCT-2B 200V/10A 40V/50A 200V/10A 200V/10A High Voltage 2600-PCT-3B 3KV/120mA 200V/10A 200V/10A 200V/10A High Current and High Voltage 2600-PCT-4B 3KV/120mA 40V/50A 200V/10A 200V/10A Capacitance-Voltage Option PCT-CVU Add C-V to any PCT. Can be used with either the 8020 (requires 8020-CVU option) or the 8010 (requires CVU-3K-KIT or CVU-200-KIT). 1. Contact your Keithley field applications engineer for custom configurations. 2. Add one 2651A to increase high current mode to 50A or two 2651As for 100A. 3. PCT-CVU Multi-Frequency Capacitance Meter can be added to any configuration. 8010 High Power Device Test Fixture — Safe and easy connections for testing packaged high power devices up to 3000V or 100A. 8020 High Power Interface Panel — Safe and easy connections from the PCT to most legacy and new probe stations. • The full range of PCT measurements can be realized from pA to 100A, µV to 3000V, and high voltage capacitance-voltage (C-V) from pF to nF. • Achieve a full range of PCT measurements from pA to 100A, µV to 3000V, and high voltage C-V from pF to nF. • Choose from a variety of sockets, including a Tektronix Curve Tracer Socket Adaptor that is compatible with nearly every seven-pin curve tracer socket. • • Complete interlock and protection modules capability for high performance and safety. • Unique four-terminal C-Vcapability gives the most accurate C ISS, C OSS, and C RSS results available. • Unique access port provides access for oscilloscope, thermal, and other probes. • 8020 High Power Interface Panel compatibility allows converting easily from packaged part testing to wafer probing. Choose from a variety of connectors to configure the 8020 for nearly any probe type, including Keithley high voltage triax, Keysight high voltage triax, and safe high voltage (SHV) coax. • Compatible with 8010 High Power Device Test Fixture to convert easily from wafer probing to packaged part testing. • Compatible probe stations include Signatone, Cascade Microtech, Wentworth, Vector, and more. www.keithley.com 5 Semiconductor Parametric Test Systems Pre-Stress Characterization Fail? Yes Stop No Record Data Stress Fail? Typical Wafer Level Reliability Test Flow Yes No Increase Stress Time Interim Record Data Fail/ Exit? S530 Semiconductor Parametric Test Systems are engineered to handle the DC and C-V measurements required in process control monitoring, process reliability monitoring, and device characterization. These parametric test systems are used in production and lab environments that entail a broad range of devices and technologies. For specialized applications, S500 Integrated Test Systems offer semi-custom configurability and can be built to accommodate from small to large numbers of devices. Model Wiring & Pin Count SMU Channels Max Voltage Max Current S530 Low Current Parametric Test System Up to 60 pins (4-wire or “Kelvin”) 2 to 8 200V (2636B SMU) 1A S530 High Voltage Parametric Test System Up to 24 pins (4-wire or “Kelvin”) 3 to 7 1100V (2410 SMU), 200V (2636B SMU) 1A Up to 60 pins with switch (2-wire), or 32 pins (direct wiring from SMU) 1 to 8 with switch, or 1 to 32 without switch 1100V with 7072-HV switch, or Max voltage of SMU with no switch 1A with switch, or Max current of SMU with no switch S500 Integrated Test System Contact Keithley for configuration assistance or to learn more about product selection. 6 www.tek.com A Tektronix Company Resources for You Learn more about choosing the appropriate power semiconductor device testing solution from this special collection of reference material from our on-line library. e-Guide: Testing High Power Semiconductor Devices from Inception to Market This e-Guide examines the life cycle of a power semiconductor device and the tremendous variety of test and characterization activities and measurements challenges that engineers face in each stage throughout the cycle. YouTube Video: High Power Connection Dilemma Watch this short, introductory video to learn how easy it can be to avoid the complications associated with interconnecting high power test equipment to a wafer probe station using the 8020 High Power Interface Panel. Application Note: Solving Connection Challenges in On-Wafer Power Semiconductor Device Testing. Get details from this application note on how to minimize connection changes and user errors when performing comprehensive DC I-V and C-V testing of power semiconductor devices. Webinar: Simple and Accurate Power Semiconductor Device Design Validation This webinar demonstrates how to select and configure elements of your test setup to minimize connection changes and protect your instrumentation investment while producing high quality measurements. Visit www.keithley.com/products to access additional resources for high power semiconductor device testing, including application notes, customer testimonial videos, data sheets, how-to videos, on-line demos, white papers, and more. Contact Keithley for configuration assistance or to learn more about product selection. www.keithley.com 7 Contact Tektronix and Keithley ASEAN / Australia (65) 6356 3900 Austria 00800 2255 4835 Balkans, Israel, South Africa and other ISE Countries +41 52 675 3777 Belgium 00800 2255 4835 Brazil +55 (11) 3759 7627 Canada 1 800 833 9200 Central East Europe and the Baltics +41 52 675 3777 Central Europe & Greece +41 52 675 3777 Denmark +45 80 88 1401 Finland +41 52 675 3777 France 00800 2255 4835 Germany 00800 2255 4835 Hong Kong 400 820 5835 India 000 800 650 1835 Italy 00800 2255 4835 Japan 81 (3) 6714 3010 Luxembourg +41 52 675 3777 Mexico, Central/South America & Caribbean 52 (55) 56 04 50 90 Middle East, Asia, and North Africa +41 52 675 3777 The Netherlands 00800 2255 4835 Norway 800 16098 People’s Republic of China 400 820 5835 Poland +41 52 675 3777 Portugal 80 08 12370 Republic of Korea 001 800 8255 2835 Russia & CIS +7 (495) 6647564 South Africa +41 52 675 3777 Spain 00800 2255 4835 Sweden 00800 2255 4835 Switzerland 00800 2255 4835 Taiwan 886 (2) 2656 6688 United Kingdom & Ireland 00800 2255 4835 USA 1 800 833 9200 R.0415 For Further Information Tektronix and Keithley maintain a comprehensive, constantly expanding collection of application notes, technical briefs and other resources to help engineers working on the cutting edge of technology. Please visit www.tektronix.com and www.keithley.com. Copyright © 2015, Tektronix. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specification and price change privileges reserved. TEKTRONIX and TEK are registered trademarks of Tektronix, Inc. All other trade names referenced are the service marks, trademarks or registered trademarks of their respective companies. 07/15 KI 1KW-60183-0 A Tektronix Company