Keysight Technologies PD1500A Installation And Use Manual
  1. Manuals
  2. Brands
  3. Keysight Technologies Manuals
  4. Test Equipment
  5. PD1500A
  6. Installation and use manual
Keysight Technologies PD1500A Installation And Use Manual

Keysight Technologies PD1500A Installation And Use Manual

Hide thumbs Also See for PD1500A:
Table of Contents

Advertisement

Quick Links

Download this manual
A l l t e s t I n s t r u me n t s , I n c .
5 0 0 C e n t r a l A v e .
F a r mi n g d a l e , N J 0 7 7 2 7
P : ( 7 3 2 ) 9 1 9 - 3 3 3 9
F : ( 7 3 2 ) 9 1 9 - 3 3 3 2
a l l t e s t . n e t
s s a l e s @ a l l t e s t . n e t
T h e t e s t & me a s u r e me n t
e q u i p me n t y o u n e e d a t
t h e p r i c e y o u w a n t .
A l l t e s t c a r r i e s t h e w o r l d ' s l a r g e s t s e l e c t i o n o f
u s e d / r e f u r b i s h e d b e n c h t o p t e s t & me a s u r e me n t
e q u i p me n t a t 5 0 % t h e p r i c e o f n e w .
O O u r e q u i p me n t i s g u a r a n t e e d w o r k i n g , w a r r a n t i e d , a n d
a v a i l a b l e w i t h c e r t i f i e d c a l i b r a t i o n f r o m o u r i n - h o u s e s t a f f
o f t e c h n i c i a n s a n d e n g i n e e r s .
• 1 0 + f u l l t i me t e c h n i c i a n s w i t h o v e r 1 5 0 y e a r s o f
s p e c i a l i z a t i o n
• 9 0 d a y w a r r a n t y & 5 d a y r i g h t o f r e t u r n o n a l l
e q u i p me n t
• • 1 - 3 y e a r w a r r a n t i e s f o r n e w a n d
p r e mi u m- r e f u r b i s h e d e q u i p me n t
• E v e r y u n i t t e s t e d t o O E M s p e c i f i c a t i o n s
• S a t i s f a c t i o n g u a r a n t e e d
Y o u h a v e p l a n s , w e w i l l h e l p y o u a c h i e v e t h e m.
A n y p r o j e c t . A n y b u d g e t .
t
G e t a q u o t e t o d a y !
C C a l l ( 7 3 2 ) 9 1 9 - 3 3 3 9 o r e ma i l s a l e s @a l l t e s t . n e t .

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PD1500A and is the answer not in the manual?

Questions and answers

Related Manuals for Keysight Technologies PD1500A

Summary of Contents for Keysight Technologies PD1500A

  • Page 1 T h e t e s t & me a s u r e me n t e q u i p me n t y o u n e e d a t t h e p r i c e y o u w a n t . A l l t e s t I n s t r u me n t s , I n c .
  • Page 2 Si/SiC Test Fixture and Modules Detailed information to install and use the Test Modules for testing Si/SiC devices in the PD1500A Test Fixture. Contact your local Keysight Application Engineer for customized GaN device solutions. Manual applies to PD1000A Control Software version 2022.321 and Test Fix- ture Firmware version A.02.04.
  • Page 4 WITHOUT NOTICE, IN FUTURE EDI- without prior agreement and written con- www.keysight.com/find/PD1500A TIONS. FURTHER, TO THE MAXIMUM sent from Keysight Technologies, Inc. as EXTENT PERMITTED BY APPLICABLE (product-specific information and sup- governed by United States and interna- LAW, KEYSIGHT DISCLAIMS ALL WAR- port, software and documentation tional copyright laws.

  • Page 6: High Voltage

    Failure to comply with these precautions or with specific warnings elsewhere in this manual may impair the protections provided by the system. In addition, it violates safety standards of design, manufacture, and intended use of the system. Keysight Technologies assumes no liability for customer’s failure to comply with these requirements.

  • Page 7: Dangerous Procedure Warnings

    • Instruments, probes or cables that appear damaged or defective should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel. Return the product to a Keysight Technologies sales or service office for service and repair to ensure that safety features are maintained.

  • Page 9: Safety Information

    Safety Information The following general safety precau- Do Not Operate Near Flammable Do Not Modify the Instrument Liquids tions must be observed during all Do not install substitute parts or per- phases of operation of these instru- Do not operate the instruments in the form any unauthorized modification to ments.
  • Page 10 Safety and Regulatory Symbols A CAUTION denotes a hazard. It calls attention to an operating pro- cedure or practice that, if not cor- The CE marking is a registered trade- rectly performed or adhered to, R-R-Kst-SP19629 mark of the European Community (if could result in damage to the accompanied by a year, it is the year South Korean Certification (KC) mark.
  • Page 11 Waste Electrical and German Portuguese Electronic Das Symbol der durchgestrichenen O símbolo da lata de lixo riscada indica Equipment (WEEE) Mülltonne auf Rädern weist darauf hin, que a necessidade da coleta seletiva dass eine getrennte Sammlung von dos resíduos de equipamentos eléctri- Elektro- und Elektronik-Altgeräten cos e electrónicos (REEE) é...
  • Page 12 Note the external markings on the probe that are described in this document. Use only probes and other accessories specified for use with the PD1500A Double-Pulse Test Solution. For Indoor Use Only. Periodically inspect the probe wires to check for any cracks, damage, or defective leads.
  • Page 13 Do Not Operate Without Covers. To avoid electrical shock or fire hazard, do not operate probes with covers removed. Do Not Operate in Wet / Damp Conditions. To avoid electrical shock, do not operate probes in wet or damp conditions. Do Not Operate in an Explosive Atmosphere.

  • Page 14: Table Of Contents

    2 Double-Pulse Test Preparation PD1500A Double-Pulse Test Fixture ....... xxviii Heater and Thermocouple (Optional) .
  • Page 15 3 DUT Test Module for Si/SiC T0-247-3 and -4 Devices General Module Information ........xlvi Install Two Transistors on the TO-247-3 and -4 DUT Modules .
  • Page 16 Using a Small-tip Soldering Iron ......lxxxviii Keysight DPT Test Fixture User Guide xiii...
  • Page 17 Keysight DPT Test Fixture User Guide...

  • Page 18: General Information

    The PD1500A DPT Solution is part of the PD1000A Power Device Measurement System for Advanced Modeling system. The test fixture and test modules described in this manual are for Si/SiC devices only.

  • Page 19: Incoming Inspection For Double-Pulse Test Fixture And Modules

    PD1500A Si/SiC device test fixture. If you will be testing GaN devices, either HEMT, GIT or Cascode, contact your local Keysight Application Engineer for help in designing a customized test board for the PD1500A Test Solution and user documentation.

  • Page 20: Pd1000A Test Fixture For The Pd1500A Double-Pulse Test Solution

    PD1000A Test Fixture for the PD1500A Double-Pulse Test Solution General Information PD1000A Test Fixture for the PD1500A Double-Pulse Test Solution Figure 1 below shows the PD1000-68701 Test Fixture. This test fixture is for Si and SiC devices only. It is not for GaN devices.
  • Page 21 General Information PD1000A Test Fixture for the PD1500A Double-Pulse Test Solution 50-pin D-connector 10-pin Connector provides power to Test Fixture 15-pin D-connector to optional High-Side Device Heater Figure 3 Back of Test Fixture with Cables xviii Keysight Double-Pulse Test Fixture Installation and Use Guide...

  • Page 22: Test Fixture Modules For Si/Sic Devices

    PD1000A Test Fixture for the PD1500A Double-Pulse Test Solution General Information Test Fixture Modules for Si/SiC Devices The following table lists optional modules for the PD1000-68701 Test Fixture: Description Photos below are representative, what you receive may be slightly different.
  • Page 23 General Information PD1000A Test Fixture for the PD1500A Double-Pulse Test Solution Description Photos below are representative, what you receive may be slightly different. DUT Module for D PAK 7-pin This module is also known (TO-263) devices as a Power Loop Module.
  • Page 24 PD1000A Test Fixture for the PD1500A Double-Pulse Test Solution General Information The following Keysight oscilloscope probes are used: Oscilloscope Probe Used to measure Used with N2819A 10:1 Differential Probe Gate Current, I Low-Side Gate Drive Module PD1000-60002 Source Current, I...
  • Page 25 General Information PD1000A Test Fixture for the PD1500A Double-Pulse Test Solution Some devices may have a very weak body diode with a peak current rating well below the current rating of the transistor. These devices may be used for the free-wheeling diode as long as the test current remains below the rating of the body diode.

  • Page 26: Standard Double-Pulse Test Setup

    – IMPORTANT: Remove the PD1000-66505 Clamp Module before running a Standard or Reverse Recovery DPT Test. When installing or removing the PD1000-66505 Clamp Module, you must cycle power on the PD1500A rack in order for the change to be discovered. Keysight Double-Pulse Test Fixture Installation and Use Guide...

  • Page 27: Clamp Test Setup

    – 10076C 100:1 High Voltage Probe for measuring V on the DUT Module. When installing or removing the PD1000-66505 Clamp Module, you must cycle power on the PD1500A rack in order for the change to be discovered. The Clamp Circuit Module provides the following: –...

  • Page 28: Reverse Recovery Double-Pulse Test Setup

    – IMPORTANT: Remove the PD1000-66505 Clamp Module before running a Standard or Reverse Recovery SPT Test. When installing or removing the PD1000-66505 Clamp Module, you must cycle power on the PD1500A rack in order for the change to be discovered. Keysight Double-Pulse Test Fixture Installation and Use Guide...
  • Page 29 General Information Reverse Recovery Double-Pulse Test Setup xxvi Keysight Double-Pulse Test Fixture Installation and Use Guide...

  • Page 30: Double-Pulse Test Preparation

    Double-Pulse Test Preparation Before running the Double-Pulse Tests (DPT), the Test Fixture must be connected to the test instruments and setup for the DPT test. In this chapter: PD1500A Double-Pulse Test Fixture page xxviii Heater and Thermocouple (Optional) page xxix...

  • Page 31: Pd1500A Double-Pulse Test Fixture

    Double-Pulse Test Preparation PD1500A Double-Pulse Test Fixture PD1500A Double-Pulse Test Fixture Waveform Generator Channel 1 connects to the Low SMA Connector on the Test Fixture. Waveform Generator Channel 2 connects to the High SMA Connector on the Test Fixture. Thermocouple Jack Device Heater light turns on when ...

  • Page 32: Heater And Thermocouple (Optional)

    Reboot the PD15000A if the heater is not detected. Hot Surface; DO NOT Touch! When the PD1500A device heater is used to heat the DUT, it becomes very hot. Do not touch the heater or the clamp.

  • Page 33: Mounting The Coaxial Shunt Resistor

    Double-Pulse Test Preparation Mounting the Coaxial Shunt Resistor Mounting the Coaxial Shunt Resistor Two characterized coaxial shunt resistors are available for the PD1500A: – PD1000-61901, 0.01  – PD1000-61902, 0.1  The coaxial shunt must be installed on the DUT modules. It must be removed and re-installed when changing DUT modules.

  • Page 34: Install Test Modules On The Main Test Fixture

    Install Test Modules on the Main Test Fixture Double-Pulse Test Preparation Install Test Modules on the Main Test Fixture Figure 7 below shows the front half of the complete Test Fixture. Note the three banana jacks for the DUT Module, the DIP headers for the High-Side and Low-Side Gate Drive Modules, the DIP header for the Clamp Circuit Module, the High and Low Waveform Generator SMA connectors, and the Deskew Oscilloscope Probe Connectors.

  • Page 35: Install Double-Pulse Test Modules On The Test Fixture In This Sequence

    Double-Pulse Test Preparation Install Test Modules on the Main Test Fixture Install Double-Pulse Test Modules on the Test Fixture in this sequence: Regardless of the DUT module being used, you must install two devices of the same type on the module. They do not need to be matched devices. For TO-247-3 and -4 Devices For D PAK Surface Mount Devices...
  • Page 36 Install Test Modules on the Main Test Fixture Double-Pulse Test Preparation For both TO-247 and D PAK Device DUT types: 5 Install DUT Module on the Test Fixture. 6 Install the High-Side Drive Module on the Test Fixture and DUT module. 7 If you will use the Clamp Module install it next.

  • Page 37: Optional Clamp Circuit Module

    Double-Pulse Test Preparation Optional Clamp Circuit Module Optional Clamp Circuit Module For accurate R (on) measurements a clamping circuit limits the applied voltage level to the oscilloscope probe while the DUT is turned off. This way an oscilloscope probe with a lower divider ratio (10:1) can be used for accurately measuring V while the transistor is turned on.

  • Page 38: When To Use The Pd1000-66505 Clamp Circuit Module

    Optional Clamp Circuit Module Double-Pulse Test Preparation When to use the PD1000-66505 Clamp Circuit Module The Clamp Circuit Module limits the voltage applied to the oscilloscope probe while the DUT is turned off. It also allows for greater accuracy when measuring (on).

  • Page 39: Connect Probes To Dsos104A Or Mxr108A Oscilloscope

    CLAMP 2 Use the 0.56 N-m (5 lb-in) 5/16 in. SMA Break-over torque wrench (provided with the PD1500A system) to tighten the SMA cable connector to the PD1000-60002 Protection Probe. Failure to do so might cause extensive ringing in the DPT measurements. See appendix for details.
  • Page 40 CLAMP 2 Use the 0.56 N-m (5 lb-in) 5/16 in. SMA Break-over torque wrench (provided with the PD1500A system) to tighten the SMA cable connector to the PD1000-60002 Protection Probe. Failure to do so might cause extensive ringing in the DPT measurements. See appendix for details.
  • Page 41 Connect Probes to DSOS104A or MXR108A Oscilloscope The remaining four channels are unused. The MXR108A 8-channel oscilloscope can be used in future upgrades to the PD1500A Double-Pulse Test system. The oscilloscope channels and colors shown above are recommended. You may choose different channels. All examples and screen captures shown in the DPT documentation use this configuration.

  • Page 42: Connect Probes To The Double-Pulse Test Modules

    Connect Probes to DSOS104A or MXR108A Oscilloscope Double-Pulse Test Preparation Connect Probes to the Double-Pulse Test Modules Refer to Figure 13 below. Oscilloscope probes connect to the Test Fixture Modules as follows: – The DUT Module uses the following oscilloscope probes: -- BNC to SMA cable from the Coaxial Shunt Resistor (I ) to the PD1000-60002 Oscilloscope Protection Probe.
  • Page 43 Double-Pulse Test Preparation Connect Probes to DSOS104A or MXR108A Oscilloscope N2819A Differential Probe (see Caution above) Standard N2873A Probe High Voltage 10076C Probe K-Thermocouple Connector Device Heater Jack Coaxial Shunt with PD1000-60002 Protection Probe cable Figure 13 Connecting Oscilloscope Probes to the Test Modules (Clamp Circuit Module not shown) Keysight Double-Pulse Test Fixture Installation and Use Guide...

  • Page 44: Using The N2787A 3D Probe Positioner

    Connect Probes to DSOS104A or MXR108A Oscilloscope Double-Pulse Test Preparation Using the N2787A 3D Probe Positioner The N2787A Probe Positioner was included to hold the N2819A Differential Probe in place. 1 Place the positioner base of the N2787A on top of the Test Fixture. 2 Tighten the jaws around the N2819A Differential Probe.

  • Page 45: Connect The 10076C High Voltage Probe

    Double-Pulse Test Preparation Connect Probes to DSOS104A or MXR108A Oscilloscope Connect the 10076C High Voltage Probe Take extra care when inserting the 10076C High Voltage Probe in the probe socket on the DUT module or in the Deskew socket. While it is not difficult, you must ensure the probe tip is fully inserted in the socket center pin.

  • Page 46: Coaxial Shunt Resistor And Pd1000-60002 Protection Probe

    Figure 15 Coaxial Shunt and Protection Probe Use the 0.56 N-m (5 lb-in) 5/16 in. SMA Break-over torque wrench (provided with the PD1500A system) to tighten the SMA connector on the cable to the PD1000-60002 Protection Probe. Failure to do so might cause extensive ringing in the DPT measurements.

  • Page 47: Cleaning The Protection Probe

    Double-Pulse Test Preparation Coaxial Shunt Resistor and PD1000-60002 Protection Probe Before using the PD1000-60002 Protection Probes, refer to “Oscilloscope Probe Safety Information” on page ix. Handle the probes with care and refer to the safety notices in this manual. Avoid any mechanical shocks to these probes to guarantee accurate performance and protection.
  • Page 48 Double-Pulse Test System Si/SiC Test Fixture Installation and Use Guide DUT Test Module for Si/SiC T0-247-3 and -4 Devices In this Chapter: General Module Information page xlvi Install Two Transistors on the TO-247-3 and -4 DUT Modules page xlvii You must install two identical devices on the DUT Module. They do not need to be matched devices.Insert DUT transistors before installing the Module on the Test Fixture.

  • Page 49: Dut Test Module For Si/Sic T0-247-3 And -4 Devices

    DUT Test Module for Si/SiC T0-247-3 and -4 Devices General Module Information General Module Information The TO-247-3 and -4 packages are popular for power devices because of their ability to dissipate moderate amounts of heat. These devices are standard through hole devices. TO-247-3 DUT Module replacement part number: PD1000-60901.

  • Page 50: Install Two Transistors On The To-247-3 And -4 Dut Modules

    Install Two Transistors on the TO-247-3 and -4 DUT Modules DUT Test Module for Si/SiC T0-247-3 and -4 Devices Install Two Transistors on the TO-247-3 and -4 DUT Modules You must install two identical devices on the DUT Module. They do not need to be matched devices.Insert DUT transistors before installing the Module on the Test Fixture.
  • Page 51 DUT Test Module for Si/SiC T0-247-3 and -4 Devices Install Two Transistors on the TO-247-3 and -4 DUT Modules IMPORTANT: When inserting devices into the module sockets, make certain they are pushed all the way down into the sockets. Lead length of devices not pushed all the way into the sockets can add parasitic inductance and may affect measurements.

  • Page 52: Installing And Using External Inductors

    When using an external inductor, the internal inductor must be disconnected. 1 PD1000A Control Software version 2020-820 and later requires the PD1500A Test Fixture to have Firmware version A.01.03. Contact your local Keysight Sales and Service Office to update the firmware.

  • Page 53: Testing Devices With To-220 Packaging

    DUT Test Module for Si/SiC T0-247-3 and -4 Devices Testing Devices with TO-220 Packaging Testing Devices with TO-220 Packaging It is possible to test devices with TO-220 packaging on a TO-247-3 DUT Module. These devices are smaller than the TO-247 packages however. Figure 18 below shows two such devices.

  • Page 54: Dut Test Module For Si/Sic D

    Double-Pulse Test System Si/SiC Test Fixture Installation and Use Guide DUT Test Module for Si/SiC PAK 7-pin Devices In this Chapter: General Information page lii PAK Devices page liii Install Two Transistors on the Module page liii Install Device Heater and Thermocouple on SMD Device page Install Chip Devices on the Module page lvi...

  • Page 55: General Information

    DUT Test Module for Si/SiC D PAK 7-pin Devices General Information General Information Also known as DDPAK devices. Two devices must be soldered to the D PAK DUT Module PCB. These test modules should not be reused. PAK DUT Module (also called a Power Loop Board) replacement part number: PD1000-62401 Always use Anti-static procedures when handling and soldering the devices to the Test Module.

  • Page 56: D 2 Pak Devices

    PAK Devices DUT Test Module for Si/SiC D PAK 7-pin Devices PAK Devices Typical 7-Pin D PAK SMD Device 9.7 mm Source 1 mm (Pins 3-7) Drain 9.0 mm Kelvin Source (Tab) (Pin 2) Gate (Pin 1) Figure 20 Typical 7-pin D PAK (TO-263-7) Power Device Pin 2 is the Kelvin Source pin, also known as the Drive Source pin.
  • Page 57 DUT Test Module for Si/SiC D PAK 7-pin Devices PAK Devices Install Device to be tested (DUT) Install identical device (or here. This is the Low-Side device diode pack) here. This is the High-Side device 10076A High Voltage Oscilloscope Probe Socket Header Pins for Install...

  • Page 58: Install Device Heater And Thermocouple On Smd Device

    Install Device Heater and Thermocouple on SMD Device DUT Test Module for Si/SiC D PAK 7-pin Devices Install Device Heater and Thermocouple on SMD Device After soldering the SMD device to the DUT Test Module, use the SMD Device Clamp to secure the heater and integrated thermocouple to the SMD device. Clamp Circuit Board SMD Device...

  • Page 59: Install Chip Devices On The Module

    DUT Test Module for Si/SiC D PAK 7-pin Devices Install Chip Devices on the Module Install Chip Devices on the Module Chip devices may be installed on the D2PAK DUT modules. Figure 24 shows the maximum dimensions for the chip device. Refer to Figure 20 on page liii for device pin-out.

  • Page 60: Optional Gate Drive Modules

    Double-Pulse Test System Si/SiC Test Fixture Installation and Use Guide Optional Gate Drive Modules Keysight’s PD1500A Double Pulse Test System provides several different optional Gate Drive modules for Si/SiC devices. Standard modules provide a limited gate drive voltage range and single gate drive resistors (R ).
  • Page 61 Optional Gate Drive Modules ± Table 2 General Purpose, 28 V Gate Drive Modules Keysight Part Description Output Path Mode Number PD1000-66848 Low-Side Gate Drive, No installed resistors Split-Path or Common-Path PD1000-66849 High-Side Gate Drive, No installed resistors Split-Path or Common-Path Low-Side Gate Drive, 0.0 ...
  • Page 62 Calibration Procedure for the Standard Gate Drive Modules is different than the calibration procedure for the General Purpose Gate Drive modules. For detailed instructions, refer to the PD1500A Software Guide or the PD1000A On-Line help file. Keysight Double-Pulse Test Fixture Installation and Use Guide...

  • Page 63: Standard Modules

    1 Due to limitations of the N2819A Differential Probe, occasional dropouts may lead to incorrect results in I current measurements. This can affect Gate Charge measurements. These dropouts occur only during measurements of very high current changes in the PD1500A system; for example when a small value inductor large currents and a very fast DUT.
  • Page 64 Standard Modules Optional Gate Drive Modules header pins Low-Side Gate Drive Module Oscilloscope Probe for N2819A socket Differential Oscilloscope probe. Modules with 0  Gate drive Header Jumpers resistors do IMPORTANT: See Caution not have these below. pins. Header Socket to DUT Module Header Socket to Test Fixture...

  • Page 65: Installing Gate Drive Resistors On The -66540 And - 66541 Modules

    Optional Gate Drive Modules Standard Modules Installing Gate Drive Resistors on the -66540 and - 66541 Modules Low-Side Gate Drive Module PD1000-66540 and High-Side Module PD1000-66541 do not have gate resistors pre-installed. This allows you to install gate resistors of any value necessary for the tests you are performing. You must solder appropriate resistors onto both modules.

  • Page 66: How To Test The Gate Drive Resistor To Ensure Proper Installation

    Gate Resistance Rg calibrated before use. Calibration measures the resistor value and stores it in the module’s EEPROM. Refer to the PD1500A Software Guide or the PD1000A On-line Help for complete calibration instructions. How to Test the Gate Drive Resistor to Ensure Proper Installation With a DMM, measure the values of the Gate resistors as shown below.

  • Page 67: General Purpose ± 28 Volt Modules

    1 Due to limitations of the N2819A Differential Probe, occasional dropouts may lead to incorrect results in I current measurements. This can affect Gate Charge measurements. These dropouts occur only during measurements of very high current changes in the PD1500A system; for example when a small value inductor large currents and a very fast DUT.
  • Page 68 General Purpose ± 28 Volt Modules Optional Gate Drive Modules PD1000-66852 2.5  Low-Side Gate Drive PD1000-66848 Low-Side Gate Drive Module (no installed Gate Resistors) Module (2.5 Ohm Gate Resistor) Figure 28 Low-Side Gate Drive Modules. Note the V probe sockets and I Probe pins PD1000-66849 High-Side Gate Drive Module PD1000-66853 2.5 ...

  • Page 69: Split-Path Vs. Common-Path Gate Drive

    Optional Gate Drive Modules General Purpose ± 28 Volt Modules Split-Path vs. Common-Path Gate Drive The original Gate Drive modules designed for the PD1500A used a single resistor to both turn-on and turn-off the FET. This is called a Common-Path Gate Resistor.

  • Page 70: Selecting/Installing Gate Drive Resistors On The -66848/- 66849 Moduleslxvii

    In this case, only one current path is necessary to monitor gate current for both turn-on and turn-off. If separate gate resistors are needed for gate charge measurements, the PD1500A measures only the R gate current. G,ON...
  • Page 71 Optional Gate Drive Modules General Purpose ± 28 Volt Modules IMPORTANT: After installing custom gate resistors on the modules, the modules must be initialized calibrated before use. Calibration measures the resistor value and stores it in the module’s EEPROM. Refer to the PD1000A On-line Help for complete calibration instructions.

  • Page 72: Installing Common-Path Gate Drive Resistors

    General Purpose ± 28 Volt Modules Optional Gate Drive Modules Installing Common-Path Gate Drive Resistors Three SMD resistors must be installed on the module to create a Common-Path module. and R gate drive resistors should be the same G,ON G,SHARED resistance value.

  • Page 73: Installing Split-Path Gate Drive Resistors

    Optional Gate Drive Modules General Purpose ± 28 Volt Modules Installing Split-Path Gate Drive Resistors Three SMD resistors must be installed on the module to create a Split-Path module. and R gate drive resistors should be the same G,ON G,SHARED value.

  • Page 74: Eeprom Values

    General Purpose ± 28 Volt Modules Optional Gate Drive Modules EEPROM Values ± The General Purpose 28 V Gate Drive Modules have additional EEPROM values due to their configuration as either Common-Path or Split-Path. If a Low-Side Gate Drive module is configured as Split-Path, there are additional fields in the Hardware Configuration >...
  • Page 75 Optional Gate Drive Modules General Purpose ± 28 Volt Modules lxxii Keysight Double-Pulse Test Fixture Installation and Use Guide...

  • Page 76: A Using The Optional Device Heater

    1 Requires PD1000A Control Software version 2020.820 or later and Test Fixture Firmware A.01.03 or later. Ambient to ° ° +175 C is for TO-247 device packages only; ambient to +150 C for SMD devices. Keysight PD1500A Double-Pulse Test System lxxiii...
  • Page 77 Using the Optional Device Heater Hot Surface; DO NOT Touch! When the PD1500A device heater is used to heat the DUT, it becomes very hot. Do not touch the heater, clamp, or DUT. Do not allow flammable material (such as paper) to come into contact with the heater while it is hot.

  • Page 78: Configuring Temperature Control Settings

    DPT tests. This box is grayed-out unless Activate Low-Side Heater is checked. When the heater/DUT temperature exceeds approximately 50  C, the large red light on the Test Fixture turns on. When the heater/DUT temperature exceeds approximately Keysight PD1500A Double-Pulse Test System lxxv...

  • Page 79: Adding Kapton (Polyimide) Tape To To-247-3 And -4 Devices

    - Wrap the TO247 Device in one layer of Kapton tape. - Use a Torx T8 screw driver on clamp screws - Tighten only enough to hold the DUT and heater assembly together. Do not over tighten. lxxvi Keysight PD1500A Double-Pulse Test System...

  • Page 80: Device Heater Theory Of Operation

    (via a K-type thermocouple) and tries to regulate at the desired temperature. In the PD1500A, the temperature is sampled approximately 10 times per second. The heater itself has a theoretical capacity to heat itself at a rate up to 175  C per second.

  • Page 81: Heater Stability

    148.91 148.94 -1.06 Using the Device Heater There are two parts to configuring the PD1500A Device Heater: – Configuring the Temperature Control Settings. – Activating the (optional) Low-Side Heater and specifying Temperatures to test the DUT. If you want to use the heater and thermocouple, they must be connected to the Test Fixture before powering-up the PD1500A system.
  • Page 82 Device Heater Theory of Operation Using the Optional Device Heater Table 3 lists several examples and expected results when using the PD1500A Heater and Thermocouple. It assumes the following test conditions: – Gate High Voltage: 18 V – Gate Low Voltage: -2 V –...
  • Page 83 Using the Optional Device Heater Device Heater Theory of Operation lxxx Keysight PD1500A Double-Pulse Test System...

  • Page 84: B Selecting Gate Drive Resistors

    Double-Pulse Test System Si/SiC Test Fixture Installation and Use Guide Selecting Gate Drive Resistors Figure 38 below shows a basic N-channel FET drive circuit. R is the external Gate Drive Resistor. Its value affects the switching speed and therefore switching loss of the FET.

  • Page 85: High Gate Resistor Values

    Selecting Gate Drive Resistors High Gate Resistor Values Large gate resistor values decrease switching speed of the device resulting in increased power loss, a reduction in performance, and potential heat issues. Too high of a value over-damps the oscillation and extends the switching times. Optimal Gate Resistor Value As described above, increasing the gate resistor value reduces the ringing but also reduces switching speed and therefore increases switching loss.
  • Page 86 Figure 40 Gate Resistor vs. Switching Speed at Turn-Off Additional factors to consider: – For general modeling purposes, a larger gate Drive resistor is good. The PD1500A makes high power IV derivations. It requires a clean curve for both V and I –...
  • Page 87 Selecting Gate Drive Resistors Switching characteristics of the DUT are influenced by the Gate resistor value. A small resistor value allows for faster switching but it increasing the ringing. A large gate resistor value slows down the turn-on of the device but allows for a more accurate gate charge measurement.
  • Page 88 Selecting Gate Drive Resistors di/dt td (ns) tf (ns) toff (ns) dv/dt (V/µs) Measured data for Ohms) (A/µs) blue plot 2649 2892 4000 62.6 8587 1891 33.7 19090 Measured data for orange plot di/dt td (ns) tf (ns) toff (ns) dv/dt (V/µs) Ohms) (A/µs)
  • Page 89 Selecting Gate Drive Resistors – To see the fastest di/dt and dv/dt for your circuit design, use the PD1000-66542 Low-Side Gate Drive Module and PD1000-66543 High-Side Gate Drive Module with 0  R . However, remember that the 0  R cannot be used for measuring gate charge or gate current.

  • Page 90: C Installing Surface-Mount Devices

    Double-Pulse Test System Si/SiC Test Fixture Installation and Use Guide Installing Surface-Mount Devices For surface-mount devices, such as the D PAK transistors on the PD1000-62401 DUT Module or custom surface-mount gate resistors on the PD1000-66540 or PD1000-66541 Gate Drive Modules, a standard small-tipped soldering iron may be used.
  • Page 91 Installing Surface-Mount Devices 4 Use the hot air solder reflow toll to melt the solder tool to melt the solder. Remove the hot air tool as soon as the solder melts. 5 Your device should now be soldered to the Test Module. Inspect the solder joints with a microscope to ensure solder joints are good and that there are no solder bridges.
  • Page 93 This information is subject to change without notice. © Keysight Technologies, 2020-2022 Printed in Malaysia Fourth Edition, March 2022 *PD1500-90004* PD1500-90004 www.keysight.com...

Table of Contents