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Title
Application
Author
Date
Revision
Feature Set
Automatic and manual emulation of gate driver errors, warnings, and temperature signals
SCALE-EV gate driver ASICs (SIC2192FQ) used for emulation accuracy
Microcontroller for input and output signal handling
DSPACE system input terminals and standard SCALE-EV family interface connector
Powered from single external 5 V, 3 A power supply (USB-C connector or input terminals)
25 V gate supply voltage generated internally
User Manual
RDHP-2256Q
2-Channel Bitstream Error Emulator for
Automotive ISO 26262 Software Designs
(DSPACE Compatible)
System Engineering Automotive
February 08, 2023
1.5
Figure 1. Bitstream error emulator hardware
Power Integrations
5245 Hellyer Avenue, San Jose, CA 95138 USA.
Tel: +1 408 414 9200 Fax: +1 408 414 9201
www.power.com
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Table of Contents
Summary of Contents for Power integrations RDHP-2256Q
- Page 1 User Manual Title RDHP-2256Q 2-Channel Bitstream Error Emulator for Application Automotive ISO 26262 Software Designs (DSPACE Compatible) Author System Engineering Automotive Date February 08, 2023 Revision Figure 1. Bitstream error emulator hardware Feature Set Automatic and manual emulation of gate driver errors, warnings, and temperature signals ...
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Page 2: Table Of Contents
RDHP-2256Q User Manual 08-Feb-23 Table of Contents Description ......................... 4 Design Specifications ....................5 Electrical Specifications ..................5 Environmental Specifications ................5 Functional Sections ....................6 User Interface ......................7 ... - Page 3 RDHP-2256Q User Manual 08-Feb-23 Disclaimer: The statements, technical information and recommendations contained herein are believed to be accurate as of the date hereof. All parameters, numbers, values and other technical data included in the technical information were calculated and determined to our best knowledge in accordance with the relevant technical norms (if any).
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Page 4: Description
08-Feb-23 Description The RDHP-2256Q simulates and emulate the SCALE-EV IGBT and SiC MOSFET plug and play automotive gate drivers to support system software development according to ISO 262632. The RDHP-2256Q hardware allows the software designer to test all gate driver functions under “low voltage”... -
Page 5: Design Specifications
RDHP-2256Q User Manual 08-Feb-23 Design Specifications Electrical Specifications Description Symbol Units Primary Side Supply Voltage Supply voltage referenced to GND 4.75 5.25 Reference ground Integrated Secondary Side Supply Voltage Positive supply voltage referenced to V VEEx VISOx Secondary side reference potential per channel... -
Page 6: Functional Sections
RDHP-2256Q User Manual 08-Feb-23 Functional Sections Figure 3. Unit 3D render (Portrait) Power Integrations Tel: +1 408 414 9200 Fax: +1 408 414 9201 Page 6 of 17 www.power.com... -
Page 7: User Interface
RDHP-2256Q User Manual 08-Feb-23 User Interface DSPACE Input Interface Label on Function Enclosure 5V VCC Supply Primary-side supply voltage TEMP Input Cycle discrete resistance values at TEMP pin Bot EN Input Enable bottom channel bitstream error emulation Top EN Input... -
Page 8: Channel Selector Toggle Switches
RDHP-2256Q User Manual 08-Feb-23 Channel Selector Toggle Switches Label on Function Enclosure Enable error emulation on the bottom channel Bot EN Input (Toggle up) Enable error emulation on the top channel Top EN Input (Toggle up) Disable error emulation on top and/or bottom channel... -
Page 9: Microcontroller Reset Button
RDHP-2256Q User Manual 08-Feb-23 Microcontroller Reset Button Label on Function Enclosure Reset onboard microcontroller MCU Reset Input Note: Errors/warnings may be flagged by the bitstream reader GUI when the onboard microcontroller is reset due to the microcontroller’s initialization process. Table 6. Microcontroller reset button function... -
Page 10: Board Setup
RDHP-2256Q User Manual 08-Feb-23 Board Setup 5 V Power Supply Selection A power adapter/power supply with a minimum rating of 15 W (5 V, 3 A) is required for powering up the board. 1. To supply the board through the USB-C port Short pin 2 and pin 3 of the “5V Supply Selector”... -
Page 11: Input Pwm Selection (Top And Bottom Channel)
RDHP-2256Q User Manual 08-Feb-23 Input PWM Selection (Top and Bottom Channel) 1. To use the input signal generated from the microcontroller during bitstream error emulation Short pin 2 and pin 1 of the “Input PWM Selector” using a jumper. 2. To use an external PWM signal during bitstream error emulation Short pin 2 and pin 3 of the “Input PWM Selector”... -
Page 12: Error Triggering Mode
RDHP-2256Q User Manual 08-Feb-23 Error Triggering Mode The DSPACE input interface is connected in parallel to the push buttons for manual triggering. Since the signal to trigger bitstream errors are set to “active low”, it is important to ensure that the terminals of the controls for the triggering method not being used be pulled high or open to avoid false triggering of bitstream errors. -
Page 13: Error Emulation
RDHP-2256Q User Manual 08-Feb-23 4. Disconnect wires from the interfaces, connectors, and USB ports. Error Emulation 1. The channel/s selected to emulate errors on should be enabled using the channel selector switches or by inputting a “low” signal on the “Bot EN” pin (Pin 3) and/or “Top EN”... -
Page 14: Over Temperature
RDHP-2256Q User Manual 08-Feb-23 Over Temperature (OT1 and OT2 1. Press the “Over Temp IGD” push button OR input a 1-ms active-low pulse on the “OT IGD” pin (Pin 8) of the DSPACE input interface. 2. Successful error triggering should speed up the blinking of the LED near the microcontroller. -
Page 15: Primary-Side Dc/Dc Controller Overcurrent Warning
RDHP-2256Q User Manual 08-Feb-23 behavior always occurs ONLY on the RDHP-2256Q board due to the nature of how the Over Temperature (OT1 and OT2 ) is emulated on the board. DCDC DCDC In actual system-level applications, Primary Side DC/DC Controller Overcurrent... -
Page 16: Revision History
RDHP-2256Q User Manual 08-Feb-23 Revision History Revision Date Change(s) Author Reviewer Approver 08-Feb-23 Initial Release. CC, MCR Power Integrations Tel: +1 408 414 9200 Fax: +1 408 414 9201 Page 16 of 17 www.power.com... - Page 17 For the latest updates, visit our website: www.power.com Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations does not assume any liability arising from the use of any device or circuit described herein.
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