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GSP665x-EVBIMS2  

High Power IMS Evaluation Platform 

Technical Manual 

                                       ___________________________________________________________________________________________________________________ 

GSP665x-EVBIMS2 TM rev. 201021 

© 2020 GaN Systems Inc.                    

www.gansystems.com

   

           22 

 

Please refer to the Evaluation Board/Kit Important Notice on page 22 

 

Evaluation Board/kit Important Notice

 

 
GaN Systems Inc. (GaN Systems) provides the enclosed product(s) under the following 

AS IS 

conditions: 

 
This  evaluation  board/kit  being  sold  or  provided  by  GaN  Systems  is  intended  for  use  for 

ENGINEERING 

DEVELOPMENT, DEMONSTRATION, and OR EVALUATION PURPOSES ONLY

 and is not considered by GaN 

Systems to be a finished end-product fit for general consumer use. As such, the goods being sold or provided are 
not  intended  to  be  complete  in  terms  of  required  design-,  marketing-,  and/or  manufacturing-related  protective 
considerations,  including  but  not  limited  to  product  safety  and  environmental  measures  typically  found  in  end 
products that incorporate such semiconductor components or circuit boards. This evaluation board/kit does not fall 
within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances 
(RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives, 
or other related regulations. 
 
If this evaluation board/kit does not meet the specifications indicated in the Technical Manual, the board/kit may be 
returned  within  30  days  from  the  date  of  delivery  for  a  full  refund.  THE  FOREGOING  WARRANTY  IS  THE 
EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, 
EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS 
FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL 
BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES. 
 
The  user  assumes  all  responsibility  and  liability  for  proper  and  safe  handling  of  the  goods.  Further,  the  user 
indemnifies GaN Systems from all claims arising from the handling or use of the goods. Due to the open construction 

of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic 

discharge.  
 
No License is granted under any patent right or other intellectual property right of GaN Systems whatsoever. 

GaN 

Systems  assumes  no  liability  for  applications  assistance,  customer  product  design,  software  performance,  or 
infringement of patents or any other intellectual property rights of any kind. 

 
GaN Systems currently services a variety of customers for products around the world, and therefore this transaction 

is not exclusive

 

Please read the Technical Manual and, specifically, the Warnings and Restrictions notice in the Technical Manual 
prior to handling the product.

 Persons handling the product(s) must have  electronics training and observe good 

engineering practice standards.   
 
This  notice  contains  important  safety  information  about  temperatures  and  voltages.  For  further  safety  concerns, 

please contact a GaN Systems’ application engineer.

 

 

 

www.gansystems.com

  

Important Notice 

 Unless expressly approved in writing by an authorized representative of GaN Systems, GaN Systems components are not designed, authorized 

or warranted for use in lifesaving, life sustaining, military, aircraft, or space applications, nor in products or systems where failure or malfunction may result in 
personal injury, death, or property or environmental damage. The information given in this document  shall not in any event be regarded as a guarantee of 
performance.  GaN  Systems  hereby  disclaims  any  or  all  warranties  and  liabilities  of  any  kind,  including  but  not  limited  to  warranties  of  non-infringement  of 
intellectual property rights.  All other brand and product names are trademarks or registered trademarks of their respective owners.  Information provided herein 
is intended as a guide only and is subject to change without notice. The information contained herein or any use of such information does not grant, explicitly, or 
implicitly, to any party any patent rights, licenses, or any other intellectual property rights. General Sales and Terms Conditions apply. 
© 2009-2019 GaN Systems Inc.  All rights reserved.

 

 

 
 

Summary of Contents for GSP665HPMB-EVBIMS2

Page 1: ...____________________________________ GSP665x EVBIMS2 TM rev 201021 2020 GaN Systems Inc www gansystems com 1 Please refer to the Evaluation Board Kit Important Notice on page 22 IMS 2 Evaluation Platf...

Page 2: ...IEF CONTACT DURING OPERATION MAY RESULT IN SEVERE INJURY OR DEATH Please sure that appropriate safety procedures are followed This evaluation kit is designed for engineering evaluation in a controlled...

Page 3: ...Technical Description 6 1 2 2 IMS Board thermal design 7 1 3 IMS 2 Half Bridge Board Design 9 1 4 IMS 2 EVB Mother Board 10 1 4 1 Gate Driver Circuit 11 1 4 2 5V input 11 1 4 3 Temperature monitoring...

Page 4: ...S board 7 Figure 4 Comparison of Junction to Heatsink thermal resistance RthJ HS Estimated based on GS66516B 8 Figure 5 IMS 2 half bridge power board GSP66508HB EVBIMS2 9 Figure 6 Circuit block diagra...

Page 5: ...7kW Photovoltaic Inverter and Energy Storage System ESS Motor Drive VFD Server Datacenter 3kW Server ACDC power supply Consumer Residential Energy Storage System ESS This evaluation platform consists...

Page 6: ...BIMS2 or GSP66508HB EVBIMS2 half bridge boards N A GSP66508HB EVBIMS2 Optimized IMS 2 Half Bridge based on GS66508B GaNPX bottom cooled E HEMTs GS66508B GSP66516HB EVBIMS2 Optimized IMS 2 Half Bridge...

Page 7: ...Gallium Nitride power devices are adopted widely the industry is trending away from through hole packaging TH towards surface mount packaging SMT Traditional TH devices such as the TO 220 are no longe...

Page 8: ...esign options The IMS board clearly comes out ahead Table 3 Performance comparison of 3 thermal design options for SMT power devices IMS PCB Thermal grease IMS Board Thermal resistance Good Better Bes...

Page 9: ...8HB EVBIMS2 and GSP66516B EVBIMS2 This approach addresses the shortcomings of implementing the design on a single layer IMS board While a large copper area is preferred to maximize heat spreading and...

Page 10: ...it Important Notice on page 22 1 4 IMS 2 EVB Mother Board GaN Systems offers a high power IMS 2 evaluation board that can be purchased separately The ordering part number is GSP665HPMB EVBIMS2 It can...

Page 11: ...ate driver after the LDO chip U3 the output is divided to 6 3V to power the gate driver o R1 and R2 are gate turn on and off resistors 1 4 2 5V input The gate driver circuit on the IMS 2 EVB mother bo...

Page 12: ...ces come from the external PWM connector J1 as shown in Figure 9 The deadtime of PWM signals are required and should be provided from the external source 1 4 5 Installation of IMS 2 Half Bridge Power...

Page 13: ...te Driver Vdc PHA PHB Vdc PGND L C DC Power Source RL PGND Synchronous Buck DC DC Phase Shift Full Bridge Totem Pole PFC Gate Driver DC Power Source Vdc Vdc PHA PHB Vdc PGND L C RL Gate Driver DC Powe...

Page 14: ...e refer to the Evaluation Board Kit Important Notice on page 22 2 Test Results 2 1 Double pulse test GSP665HPMB EVBIMS2 GSP66508HB EVBIMS2 Test condition VDS 400V ID 30A VGS 6V 3V L 37uH No RC Snubber...

Page 15: ...1 2020 GaN Systems Inc www gansystems com 15 Please refer to the Evaluation Board Kit Important Notice on page 22 2 2 Full power emulation test GSP665HPMB EVBIMS2 GSP66508HB EVBIMS2 Test condition VIN...

Page 16: ...___________________________________________________________ GSP665x EVBIMS2 TM rev 201021 2020 GaN Systems Inc www gansystems com 16 Please refer to the Evaluation Board Kit Important Notice on page 2...

Page 17: ...stems Inc www gansystems com 17 Please refer to the Evaluation Board Kit Important Notice on page 22 3 Appendix 3 1 IMS 2 Half Bridge Power Board IMS 2 half bridge power board schematics for GSP66508H...

Page 18: ...______________________ GSP665x EVBIMS2 TM rev 201021 2020 GaN Systems Inc www gansystems com 18 Please refer to the Evaluation Board Kit Important Notice on page 22 IMS 2 half bridge power board PCB l...

Page 19: ...________________________________________________________________________________________________ GSP665x EVBIMS2 TM rev 201021 2020 GaN Systems Inc www gansystems com 19 Please refer to the Evaluation...

Page 20: ...___________________________________________________________________________ GSP665x EVBIMS2 TM rev 201021 2020 GaN Systems Inc www gansystems com 20 Please refer to the Evaluation Board Kit Important...

Page 21: ...C27 C34 C35 CAP CER 1UF 10V X5R 0603 8 Samsung CL10A105KP8NNNC C40 C41 C42 C43 CAP CER 68PF 50V C0G NP0 0603 4 Sams CL10C680JB8NNNC D1 D3 D5 D7 DIODE ARRAY SCHOTTKY 30V SOT323 4 ON Semiconductor Fairc...

Page 22: ...es GaN Systems from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions wit...

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