company blog about Recycle TI Isolation Product:Digital Isolators,Isolated ADC,Isolated Power Module

Recycle TI Isolation Product:Digital Isolators,Isolated ADC,Isolated Power Module

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Product Range: Covering various ICs, modules, sensors, connectors and more, we provide a ‘one-stop’ solution for clearing excess inventory, saving you the hassle of sourcing multiple recyclers for different materials.

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Efficiency and Cash Flow: Our streamlined process enables payment to be completed within 48 hours; we support a one-stop service from the submission of the inventory list to the receipt of funds. This significantly shortens the inventory clearance and cash recovery cycle, effectively alleviating cash flow pressure for businesses.

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I. TI Digital Isolators: A Highly Efficient and Reliable Bridge for Digital Signal Isolation

TI digital isolators fully replace traditional optocouplers, overcoming the technical limitations of short lifespan, low transmission rates, high power consumption and significant temperature drift associated with optocouplers. Based on a capacitive isolation architecture, they achieve high-speed, low-latency and long-life isolation transmission of digital signals, whilst also featuring exceptional common-mode transient immunity (CMTI), making them perfectly suited to the signal transmission requirements of high-voltage switching applications.

Core Technical Advantages

- Comprehensive range of high-voltage isolation ratings: Covering three major levels—functional, basic and reinforced isolation—with support for up to 5.7 kV reinforced isolation and surge immunity of up to 10 kV peak. Products have passed major global safety certifications including UL, VDE, TÜV and CQC, with some models suitable for ATEX and IECEx explosion-proof environments, meeting stringent industrial and automotive safety standards.

- High-speed, low-latency transmission: Data rates of up to 200 Mbps, with transmission latency as low as the nanosecond range. Supports a wide power supply voltage range of 1.71 V to 5.5 V, incorporating level conversion functionality to facilitate interconnection between multi-voltage domain systems. Flexible channel configuration, with models ranging from single-channel to six-channel variants, allowing for greater freedom in PCB layout.

- Superior immunity and low power consumption: Typical CMTI reaches 250 kV/µs, with some high-end models achieving as low as ±100 kV/µs, capable of withstanding strong transient interference from high-voltage systems; single-channel quiescent power consumption is as low as 5 µA, whilst offering excellent EMC performance, with 8 kV ESD contact discharge meeting IEC 61000-4-2 Level 4 requirements, ensuring greater system compatibility.

- Highly integrated solutions: The range includes digital isolators such as the ISOW7741 and ISOW7842, which feature integrated isolated power supplies. These incorporate high-efficiency on-chip DC/DC converters capable of delivering up to 550 mW of isolated power, eliminating the need for external isolated power supplies, significantly reducing board space requirements and simplifying system design complexity.

Mainstream Application Scenarios

Widely used in industrial PLCs, servo drives, industrial bus (CAN/RS485) interfaces, motor drive control, automotive on-board chargers, charging stations, medical device communication interfaces and other scenarios, these solutions enable the isolated transmission of digital signals between high- and low-voltage systems, eliminating high-voltage crosstalk and ensuring the safety of personnel and equipment.

II. TI Isolated ADCs: A Powerful Tool for High-Precision Signal Acquisition in High-Voltage Applications

TI isolated ADCs, also known as isolated Δ-Σ modulators, are specifically designed for high-precision acquisition of current and voltage in high-voltage systems. They deeply integrate signal isolation with analogue-to-digital conversion, maintaining exceptional acquisition accuracy and signal integrity even in environments with high common-mode voltages. This addresses industry pain points associated with traditional non-isolated ADCs, such as susceptibility to high-voltage interference, acquisition distortion and significant safety hazards.

Key Product Features

- Integrated isolation and acquisition: Features a built-in high-voltage isolation barrier and supports reinforced isolation, capable of withstanding ultra-high common-mode voltages. Eliminates the need for external isolation components, as signal isolation and analogue-to-digital conversion are performed on a single chip, simplifying signal chain design and enhancing system reliability.

- High-precision acquisition performance: Covers 16-bit and 24-bit high-precision sampling specifications, supporting both synchronous and independent sampling. With extremely low offset voltage, gain error and temperature drift coefficients, system-level acquisition accuracy can reach ±0.1% to ±0.5%, making it suitable for high-precision applications such as energy metering and motor control; Built-in precision front-end circuitry supports multiple input ranges including ±50 mV, ±250 mV and ±1 V, and is compatible with various acquisition methods such as shunt resistors and voltage sampling.

- High transient immunity and ease of use: Common-mode transient suppression capability of up to 150 V/ns, suitable for high-frequency switching applications involving SiC/GaN wide-bandgap devices; certain models integrate an isolated DC/DC power supply, enabling single-supply operation, and support internal/external clock switching for easy multi-chip synchronisation; coupled with a built-in filter, this further optimises signal acquisition quality.

- Dual compliance with automotive and industrial standards: Multiple products have obtained AEC-Q100 automotive certification, covering a wide operating temperature range from -55°C to 125°C, meeting the stringent environmental and functional safety requirements of automotive high-voltage electronic control systems, energy storage converters and industrial inverters.

Mainstream Application Scenarios

Primarily used in industrial motor drives, photovoltaic inverters, energy storage systems, new energy vehicle electric drive systems, on-board chargers (OBCs), power quality analysers, smart meters, protection relays and other applications, enabling safe, high-precision real-time acquisition of high-voltage side current and voltage.

3. TI Isolated Power Supply Modules: Core Solution for Isolated Power Supply in High-Voltage Systems

Leveraging proprietary IsoShield™ multi-chip packaging technology, TI’s isolated power supply modules highly integrate high-performance planar transformers, power conversion circuits and isolation barriers. They provide stable and safe isolated power supply for isolated signal chains and high-voltage-side components, addressing the challenges of complex design, low power density, poor reliability and difficult certification associated with discrete isolated power supply solutions, thereby facilitating system miniaturisation and high-efficiency design.

Key Technical Highlights

- Ultra-high power density: Compared to discrete isolated power supply solutions, power density is increased by up to three times. The compact package significantly saves PCB space, making it suitable for space-constrained applications such as embedded systems, automotive electronic control units and small industrial modules.

- Full-level isolation protection: Supports functional, basic and reinforced isolation specifications, with isolation voltages covering standard industrial to high-voltage automotive applications. Features comprehensive overvoltage, overcurrent and over-temperature protection, combined with a long-lasting isolation barrier, resulting in a service life far exceeding that of traditional solutions, validated by over 30 million hours of reliability testing.

- High-efficiency, low-noise power supply: Excellent power conversion efficiency and extremely low no-load power consumption, suitable for energy-efficient equipment; Built-in noise-reduction circuitry minimises electromagnetic radiation, eliminating the need for additional EMC filtering components and reducing system BOM costs, whilst supporting a wide input voltage range to accommodate complex power supply environments.

- One-stop power supply solution: Seamlessly integrates with TI digital isolators, isolated ADCs, isolated gate drivers and other products to form a complete ‘isolated power supply + signal isolation + acquisition isolation’ solution, simplifying system power design and shortening R&D cycles.

Mainstream Application Scenarios

Primarily used in industrial field instruments, isolated communication interfaces, high-voltage sampling circuits, automotive high-voltage auxiliary power supplies, isolated power supplies for medical equipment, and data centre power modules. It provides a fully electrically isolated power supply path between the high-voltage and low-voltage sides, eliminating high-voltage risks and signal interference caused by the power supply circuit.