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Silicon Laboratories Si823Hx-EVB User Manual
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Silicon Laboratories Si823Hx-EVB User Manual

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UG367: Si823Hx-EVB User's Guide
The Si823Hx isolated gate drivers are ideal for driving power switches used in a wide
variety of power supply, inverter, and motor control applications, offering longer service
life and dramatically higher reliability compared to opto-coupled gate drivers. The
Si823Hx isolated gate drivers utilize Silicon Laboratories' proprietary silicon isolation
technology supporting up to 5 kVRMS withstand voltage per UL1577 and VDE0884.
This technology enables industry-leading common-mode transient immunity (CMTI),
tight timing specifications, reduced variation with temperature and age, better part-to-
part matching, and extremely high reliability. It also offers unique features, such as sep-
arate pull-up/down outputs, driver shutdown on UVLO fault, and precise dead time pro-
grammability. Driver outputs can be grounded to the same or separate grounds or con-
nected to a positive or negative voltage. The TTL level compatible inputs with 800 mV
hysteresis are available in individual control input (Si823H1/2/3/5/6/7 and Si82520) or
PWM input (Si823H4/8) configurations. High integration, low propagation delay, small in-
stalled size, flexibility, and cost-effectiveness make the family ideal for a wide range of
isolated MOSFET/IGBT/SiC/GaN gate drive applications.
The Si823Hx evaluation board allows designers to evaluate Silicon Lab's Si823Hx family
of high CMTI performance ISOdrivers. The boards come populated with either the
Si823H2, Si82520, or two Si823H9 version of the family. The board includes screw ter-
minals for quick evaluation of the devices' key parameters and includes test points on
each devices' pins to accommodate direct connection to the designer's end system. For
more ISOdriver information, visit Silicon Labs web site at www.silabs.com/isolation. The
product data sheet and numerous application notes can be referenced to help facilitate
designs.
silabs.com | Building a more connected world.
KIT CONTENTS
• Si823Hx-based evaluation board
(Si823Hx-EVB) populated in one of the
following configurations:
• 1 - Si823H2, 2-input, 4 A, 5 kVrms High-
Side/Low-Side ISOdriver
• 1 - Si82520, 2-input, High Input Voltage,
4 A, 5 kVrms High-Side/Low-Side
ISOdriver
• 2 - Si823H9 1-input, 4 A, 5 kVrms Single
Channel ISOdrivers
Rev. 0.1

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Summary of Contents for Silicon Laboratories Si823Hx-EVB

  • Page 1 KIT CONTENTS life and dramatically higher reliability compared to opto-coupled gate drivers. The Si823Hx isolated gate drivers utilize Silicon Laboratories' proprietary silicon isolation • Si823Hx-based evaluation board technology supporting up to 5 kVRMS withstand voltage per UL1577 and VDE0884.

  • Page 2: Required Equipment

    UG367: Si823Hx-EVB User's Guide Required Equipment 1. Required Equipment The following equipment is required to demonstrate the evaluation board: • One signal generator • One dual dc power supply: 0–5 V and 0–15 V (or two single supplies) • 1 oscilloscope (at least two channels) •...
  • Page 3 UG367: Si823Hx-EVB User's Guide Required Equipment 1.3 Oscilloscope Setup To set up the oscilloscope, perform the following steps: 1. Set the scope to Trigger on CH1 and adjust the trigger level to approximately 2 V. 2. Set CH1 to 2 V per division and CH2 to 5 V per division 3.

  • Page 4: Built-In Options

    UG367: Si823Hx-EVB User's Guide Built-In Options 2. Built-In Options The Si823Hx EVB comes from the factory configured to provide VOA, GNDA, VOB and GNDB signals out to the connector J5. This allows the evaluation of the Si823Hx drivers on their own. However, the board provides pads in which the customer can place compo- nents to build a half bridge for the Si823Hx to drive.

  • Page 5: Evaluation Board Schematics

    UG367: Si823Hx-EVB User's Guide Evaluation Board Schematics 3. Evaluation Board Schematics Figure 3.1. Si823H2 Evaluation Board Schematic silabs.com | Building a more connected world. Rev. 0.1 | 5...
  • Page 6 UG367: Si823Hx-EVB User's Guide Evaluation Board Schematics Figure 3.2. Si82520 Evaluation Board Schematic Figure 3.3. Si823H9 Evaluation Board Schematic silabs.com | Building a more connected world. Rev. 0.1 | 6...

  • Page 7: Evaluation Board Layouts

    UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts 4. Evaluation Board Layouts 4.1 Si823H2-520 Layouts Figure 4.1. Si823H2-520 Primary Silk silabs.com | Building a more connected world. Rev. 0.1 | 7...
  • Page 8 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.2. Si823H2-520 Primary Side silabs.com | Building a more connected world. Rev. 0.1 | 8...
  • Page 9 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.3. Si823H2-520 Ground silabs.com | Building a more connected world. Rev. 0.1 | 9...
  • Page 10 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.4. Si823H2-520 VDD silabs.com | Building a more connected world. Rev. 0.1 | 10...
  • Page 11 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.5. Si823H2-520 Secondary Side silabs.com | Building a more connected world. Rev. 0.1 | 11...
  • Page 12 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.6. Si823H2-520 Secondary Silk silabs.com | Building a more connected world. Rev. 0.1 | 12...
  • Page 13 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts 4.2 Si823H9 Layouts Figure 4.7. Si823H9 Primary Silk silabs.com | Building a more connected world. Rev. 0.1 | 13...
  • Page 14 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.8. Si823H9 Primary Side silabs.com | Building a more connected world. Rev. 0.1 | 14...
  • Page 15 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.9. Si823H9 Ground silabs.com | Building a more connected world. Rev. 0.1 | 15...
  • Page 16 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.10. Si823H9 VDD silabs.com | Building a more connected world. Rev. 0.1 | 16...
  • Page 17 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.11. Si823H9 Secondary Side silabs.com | Building a more connected world. Rev. 0.1 | 17...
  • Page 18 UG367: Si823Hx-EVB User's Guide Evaluation Board Layouts Figure 4.12. Si823H9 Secondary Silk silabs.com | Building a more connected world. Rev. 0.1 | 18...
  • Page 19 Trademark Information Silicon Laboratories Inc.® , Silicon Laboratories®, Silicon Labs®, SiLabs® and the Silicon Labs logo®, Bluegiga®, Bluegiga Logo®, Clockbuilder®, CMEMS®, DSPLL®, EFM®, EFM32®, EFR, Ember®, Energy Micro, Energy Micro logo and combinations thereof, "the world’s most energy friendly microcontrollers", Ember®, EZLink®, EZRadio®, EZRadioPRO®, Gecko®, ISOmodem®, Micrium, Precision32®, ProSLIC®, Simplicity Studio®, SiPHY®, Telegesis, the Telegesis Logo®, USBXpress®, Zentri, Z-Wave and others are trademarks or...