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UM_2208_PL21_2209_160608
EVAL_ISO_4DIR1400H user manual
Evaluation board for Infineon ISOFACE™ quad -channel digital isolators
About this document
Scope and purpose
This document introduces the Infineon ISOFACE™ quad-channel digital isolators and describes how to evaluate
their performance by using the evaluation board EVAL_ISO_4DIR1400H.
Intended audience
This document is intended for design engineers who want to design high-voltage (HV) applications with
Infineon digital isolators for isolation purposes.
Table of contents
About this document ....................................................................................................................... 1
Table of contents ............................................................................................................................ 1
1
Introduction to Infineon ISOFACE™ quad-channel digital isolators .............................................. 2
2
Evaluation board EVAL_ISO_4DIR1400H ................................................................................... 3
2.1
Board layer stack ..................................................................................................................................... 4
2.2
Board schematic ...................................................................................................................................... 4
2.3
Board layout ............................................................................................................................................ 6
3
Functional description ............................................................................................................ 7
3.1
Connections ............................................................................................................................................. 7
3.1.1
Power connections ............................................................................................................................ 7
3.1.2
Signal connections ............................................................................................................................. 8
3.2
Configuration ........................................................................................................................................... 9
3.3
Operation and typical waveforms ........................................................................................................ 10
3.4
High-voltage capability ......................................................................................................................... 11
4
Bill of materials ..................................................................................................................... 12
Revision history............................................................................................................................. 13
User Manual
www.infineon.com/eval-iso-4dir1400h
Please read the Important Notice and Warnings at the end of this document
page 1 of 14
V 1.0
2023-03-06
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Summary of Contents for Infineon EVAL ISO 4DIR1400H
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Page 1: Table Of Contents
Evaluation board for Infineon ISOFACE™ quad -channel digital isolators About this document Scope and purpose This document introduces the Infineon ISOFACE™ quad-channel digital isolators and describes how to evaluate their performance by using the evaluation board EVAL_ISO_4DIR1400H. Intended audience This document is intended for design engineers who want to design high-voltage (HV) applications with Infineon digital isolators for isolation purposes. -
Page 2: Introduction To Infineon Isoface™ Quad-Channel Digital Isolators
Isolation provides safety in HV applications and improves electrical noise immunity. To meet the continually growing requirements for isolation products, Infineon Technologies offers ISOFACE™ quad-channel digital isolators with the highest robustness, most accurate timing performance and lowest power consumption. This... -
Page 3: Evaluation Board Eval_Iso_4Dir1400H
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Evaluation board EVAL_ISO_4DIR1400H Evaluation board EVAL_ISO_4DIR1400H To make the evaluation of ISOFACE™ quad-channel digital isolators easier, Infineon offers the evaluation board EVAL_ISO_4DIR1400H, as shown in Figure Figure 1 Evaluation board EVAL_ISO_4DIR1400H This board is designed with a four-layer stack to achieve high EMC performance even at high data-speed operation. -
Page 4: Board Layer Stack
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Evaluation board EVAL_ISO_4DIR1400H Board layer stack To achieve a low-EMI performance even at a high data rate of up to 40 Mbit/s, the board uses a four-layer PCB design: Layer 1: high-speed layer •... - Page 5 EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Evaluation board EVAL_ISO_4DIR1400H Figure 3 Schematic of EVAL_ISO_4DIR1400H User Manual 5 of 14 V 1.0 2023-03-06...
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Page 6: Board Layout
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Evaluation board EVAL_ISO_4DIR1400H Board layout The layout of the evaluation board EVAL_ISO_4DIR1400H is provided in Figure 4. Please note that the isolation barrier in the middle is placed in each layer and has a width of 8 mm. There are no traces, pads or vias placed within this isolation barrier. -
Page 7: Functional Description
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Functional description Functional description Connections The board offers two power supply connections (VDD1 and VDD2) and four input/output connections for the dual-channel digital isolator 4DIR1400H. 3.1.1 Power connections Figure 5... -
Page 8: Signal Connections
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Functional description 3.1.2 Signal connections There are two signal connections for each side of the digital isolator planned: two input and two output connections. Depending on which product variant is assembled on the board, there are different configurations of input and output connections. -
Page 9: Configuration
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Functional description Configuration As shown in Figure 7, to ease the evaluation, the input and output connections of each data channel of the digital isolator can be configured individually: for example, impedance match, load and pull-up/-down possibility. -
Page 10: Operation And Typical Waveforms
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Functional description Operation and typical waveforms Figure 8 shows the the typical configuration to operate the evaluation board EVAL_ISO_4DIR1400H using two isolated DC power supplies. Figure 8 Typical operation of EVAL_ISO_4DIR1400H Figure 9 shows the input and output waveforms of both channels measured at 200 kHz and 1 MHz PWM. -
Page 11: High-Voltage Capability
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Functional description High-voltage capability This evaluation board is designed in compliance with 5700 V reinforced isolation practices. HV testing over 5700 V is not recommended. Warning: This board is not designed for evaluation of any HV safety function. This could result in personal injury or death, or property damage. -
Page 12: Bill Of Materials
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Bill of materials Bill of materials Table 2 Bill of materials of EVAL_ISO_4DIR1400H Quantity Designator Description Part number Manufacturer C1, C2, C11, C12, C5, Capacitor 885012006052 Würth C6, C13, C14... -
Page 13: Revision History
EVAL_ISO_4DIR1400H user manual Evaluation board for Infineon ISOFACE™ quad-channel digital isolators Revision history Revision history Document Date of release Description of changes version V 1.0 2023-03-06 First release User Manual 13 of 14 V 1.0 2023-03-06... - Page 14 With respect to any examples, hints or any typical 81726 München, Germany values stated herein and/or any information WARNINGS regarding the application of the product, Infineon Technologies hereby disclaims any and all Due to technical requirements products may contain warranties and liabilities of any kind, including dangerous substances.