company blog about Infineon EVAL-ISSI20R11H Coreless-Transformer Advanced Solid-State Isolator Evaluation Board

Infineon EVAL-ISSI20R11H Coreless-Transformer Advanced Solid-State Isolator Evaluation Board

Shenzhen Mingjiada Electronics Co., Ltd., as a globally renowned distributor of electronic components, supplies the EVAL-ISSI20R11H – an advanced solid-state isolator evaluation board based on core-less transformer technology. This provides engineers with a convenient means to evaluate and implement this innovative technology.

The EVAL-ISSI20R11H evaluation board, based on the innovative iSSI20R11H solid-state isolator, delivers a revolutionary isolation solution for design engineers.

This EVAL-ISSI20R11H evaluation board demonstrates how Infineon's unique coreless transformer technology achieves efficient, compact and reliable isolation performance, particularly suited for industrial automation, smart home and motor drive applications.

【In-Depth Analysis of the EVAL-ISSI20R11H】

At the heart of the EVAL-ISSI20R11H evaluation board lies the iSSI20R11H solid-state isolator, housed in a DSO-8-66 package.

Electrically, it supports a wide input voltage range from 2.5V to 3.5V, compatible with the logic levels of modern microcontrollers.

The EVAL-ISSI20R11H evaluation board demonstrates how the iSSI20R11H directly drives high-voltage MOSFET and IGBT power transistors without requiring an external isolated power supply.

The board design prioritises evaluation convenience, providing essential interfaces and test points to facilitate rapid verification of the device's functionality.

As a complete demonstration platform, the EVAL-ISSI20R11H evaluation board enables users to gain an intuitive understanding of the advantages of solid-state isolation technology, including high integration, simplified system design, and outstanding isolation performance.

【EVAL-ISSI20R11H Core Parameters】

Dimensions: 55×85mm

Input Type: AC/DC

Maximum Output Current: 2A

Maximum Output Voltage: 320V

Supply Voltage: 3.3V

Applications: Industrial automation, smart buildings, battery management systems, etc.

【EVAL-ISSI20R11H Architecture and Core Features】

The EVAL-ISSI20R11H evaluation board serves as a dedicated development tool for assessing the iSSI20R11H isolator interface. This board enables engineers to rapidly experience the full benefits of Infineon's solid-state isolator technology.

Chipless Transformer Technology

Traditional isolation solutions rely on physical magnetic cores for energy transfer. Infineon's innovative chipless transformer (CT) technology achieves isolation through semiconductor processes.

This technology transmits energy across the isolation barrier, eliminating the need for additional isolated power supplies while significantly reducing solution footprint.

Core-less transformers offer exceptional reliability. Their silicon-based isolation barrier provides superior resistance to vibration and shock compared to traditional magnetic components, making them suitable for demanding industrial environments.

Comprehensive Protection Mechanisms

The iSSI20R11H integrates multiple advanced protection functions to ensure safe and stable system operation:

Overcurrent Protection: Rapid shutdown upon detecting abnormal load current to prevent fault escalation

Over-Temperature Protection: Monitors chip temperature to prevent damage from overheating

Dynamic Miller Clamping: Prevents power transistor misfiring due to the Miller effect, enhancing system reliability

Fast Switching Capability: Supports rapid turn-on and turn-off within the Safe Operating Area (SOA), optimising switching performance

Exceptional Isolation Performance

This solid-state isolator delivers current isolation up to 5.7kVRMS, meeting stringent industrial safety standards.

Its Common-Mode Transient Immunity (CMTI) capability reaches 200V/ns, significantly outperforming traditional optocouplers to ensure stable operation in noisy industrial environments.

【EVAL-ISSI20R11H Application Domains】

The technology demonstrated by the EVAL-ISSI20R11H evaluation board is applicable to diverse high-end application scenarios, providing robust support for innovative electronic system designs across industries.

Within industrial automation, this solid-state isolator can be employed in programmable logic controllers, industrial automation, and control systems, replacing conventional electromechanical relays.

Its high reliability and extended lifespan are particularly suited to industrial scenarios requiring frequent switching operations.

For new energy applications, this device is suitable for advanced battery management, energy storage systems, and renewable energy systems.

Its low-power characteristics enhance energy conversion efficiency, aligning with green energy development requirements.

Within smart building and home automation systems, this technology can be applied to thermostats, lighting control, heating control, and similar scenarios.

Its compact design and highly integrated features meet the space and functionality demands of modern smart devices.

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