Matter is an open standard for smart homes. Since its release and the commencement of certification development, Realtek has been actively involved in various development and testing collaborations. In 2024, Realtek’s Ameba IoT series (RTL8720x / RTL8721x / RTL8722x / RTL8730E / RTL8777G / RTL8771) officially joined the Matter CSA Alliance, becoming the partner for customers developing smart home products and providing strong support for creating a new smart home lifestyle.

What is Matter?

Matter is a smart home technology standard developed by the Connectivity Standards Alliance (CSA), formerly known as the Zigbee Alliance. Its purpose is to provide a unified and interoperable standard for smart home devices, enabling seamless collaboration among smart devices from different brands.

Why do consumers need Matter?

In the past, smart devices were not able to operate across different platforms. For example, Google Home could not communicate with platforms like Alexa. This not only increased the difficulty for consumers to upgrade their smart systems but also hindered the development of smart devices. However, with the emergence of smart home appliances that support Matter technology, consumers can now quickly build smart home systems, save on construction costs, and further increase their willingness to purchase.

Realtek Ameba IoT Series Supports Matter

The Ameba IoT series has officially joined the Matter CSA Alliance. The Matter standard encompasses various commonly used communication protocols such as Wi-Fi, Bluetooth, and Thread. Ameba IoT can provide Matter-supported solutions, facilitating the development and prototyping of Matter-compatible devices, thereby reducing customers’ development time and costs. Additionally, the Matter standard includes clear requirements for device security, data encryption, and authentication, enhancing overall device security at the hardware level and helping products meet higher security standards. Smart home appliances supporting the Matter standard often emphasize power consumption management. Ameba IoT also offers optimized low-power solutions, extending the usage time of smart devices and improving user experience.

Realtek Matter Solutions

Matter Gateway with Advanced Controller Solutions

Realtek’s Matter Gateway, equipped with advanced controller solutions, supports Wi-Fi 6, Bluetooth 5.3, and Thread protocols. This series includes the RTL8720CM, RTL8722DM, RTL8730E, and RTL8720E, which can all serve as the main processor responsible for running applications, third-party IPv6 protocols, and OpenThread API. These main processors communicate with the RTL8771 via UART, and the RTL8771 supports RCP mode, which can reduce the main processor’s load and enhance overall system efficiency and performance.

Realtek Matter SDK enables rapid project development and implementation

The Matter SDK is specifically designed to support and implement various functions of the Matter protocol. Realtek offers open-source support for Ameba IoT Matter, based on the official Matter development, available on GitHub: Ameba IoT Matter GitHub.

Realtek provides a comprehensive Matter product service, covering everything from PKI-DAC, product development, and testing validation to mass production tools, ensuring that customers can successfully develop and launch high-quality smart home products. Currently, many customers are using Realtek’s Matter SDK for product development, achieving seamless interoperability with the Google, Apple, and Amazon ecosystems.

In the future, Matter will be widely applied in smart homes and even expand to industrial and urban fields. Realtek’s Ameba IoT product series already supports the Matter protocol, meeting customer needs in various application scenarios and helping them bring products to market more quickly. Realtek offers flexible and powerful solutions that facilitate seamless device connectivity and enhance user experience.

Conntek achieves new best values ​​in magnetic position sensors and enables new fields of application.

The KTM5900 can replace optical encoders with the incremental ABZ output, e.g. for motor feedback systems. It is suitable for both on-axis and off-axis applications and therefore offers a high level of flexibility in mechanical design due to its very small design.

The KTM5900 has a 12-bit multi-pole pair counter for up to 4096 pole pairs.

The KTM5900 supports versatile output modes including a 36 Mbps SPI absolute angle output, a programmable ABZ quadrature incremental output with up to 65536 edges, a programmable UVW output for up to 256 pole pairs and a PWM output. Other features of the KTM5900 include automatic linear and nonlinear calibration, Z signal calibration, absolute position synchronization for multipole applications, automatic TMR adjustment for orthogonal signal calculation, and programmable operational amplifier gain. Additionally, the KTM5900 features two industry-leading 2MHz 16-bit SAR ADCs to improve performance and precision.

Particular emphasis was placed on functional safety in the KTM5900. There is an 8-bit CRC verification for the SPI transmission of the angle values ​​and many self-diagnosis alarm functions are implemented.

A key advantage of the KTM5900 is its ability to automatically detect non-linear errors during normal operation and correct them with just a press of a button or an SPI command. In addition, the KTM5900 features a 256-point correction table that allows the user to improve absolute accuracy by storing non-linear error corrections from optical encoders in the KTM5900.

Using a single-pole magnet, both the one-button self-calibration and 256-point error correction table can achieve excellent INL ≤ 0.025°.

The KTM5900 will be presented at the SPS 2024 (12.-14.11.24) in Nuremberg at the MEV booth 174 in hall 4.

Downloads & Links

Conntek Product Catalog (PDF)

Contact

If you would like to know more about the KTM5900, please contact:

Guido Gandolfo
Product Line Manager
Motion Control
+49 5424 2340-57
ggandolfo@mev-elektronik.com

Cambridge IC presents the CAM622, a new high-resolution resonant inductive encoder IC with ABN output.

Based on the existing inductive resonator position detection technology, Cambridge IC has developed a new sensor processor with a scalable high-resolution quadrature encoder output (ABN/ABZ). Both the sensor and the position target are made of easily available circuit board material (e.g. FR4) with printed coils. The sensor board has electrical connections to CAM622 circuitry. The target is passive and contactless. Only two small capacitors must be fitted here to build an inductive resonator. This design enables an extremely compact construction.

The CAM622 sensor processor is embedded inside a customer’s product.  It includes an SPI interface used for programming parameters including the number of AB cycles, and position of the N pulse. The maximum number of AB cycles is 16384, to yield 65536 edges per revolution and 16-bit resolution.

The CAM622’s SPI interface may also be used to read measurement results directly, including absolute position and diagnostics.

No calibration is necessary. The CAM622 measures position 33,000 times per second, at rotation rates of up to at least 60,000 rpm.

A CAM622 ABN Board is planned. It connects to a Windows PC via an adapter for programming and evaluation. It includes a regulator and line driver for stand-alone differential ABN operation from a 5V supply.

The CAM622 will be presented for the first time at the SPS 2024 (12.-14.11.24) in Nuremberg at booth 174 in hall 4.

Downloads & Links

CAM622 datasheet (PDF)

25mm B3 Rotary Sensor datasheet (PDF)

25mm B3 Rotary Target datasheet (PDF)

30mm B3 Rotary Sensor datasheet (PDF)

30mm B3 Rotary Target datasheet (PDF)

Contact

If you would like to know more about the inductive sensor IC CAM622, please contact:

Guido Gandolfo
Product Line Manager
Motion Control
+49 5424 2340-57
ggandolfo@mev-elektronik.com

28/42/60mm Stepper Motors with integrated Controller, Driver, Absolute Encoder and Serial Interface.

With the MocDrives, Mocontronic is introducing a series of mechatronic stepper motors. There are three families with 28 mm, 42 mm and 60 mm flange dimensions. With a holding torque of 0.06 Nm up to 3.1 Nm, the MocDrives can be used in a wide variety of applications. The electronic control is based on chipsets from Trinamic and offers extremely smooth running and precision. The MocDrives are equipped with an integrated absolute encoder for position monitoring. The modules are controlled via RS485, USB or CAN bus. The MocDrives can be operated both remotely and using script programming via the TMCL protocol. Numerous inputs and outputs offer the option of connecting additional peripherals, such as limit and reference switches or analog sensors.

The following derivatives are currently available:

28 mm Flange / NEMA11: MD28-006-o (0,06 Nm) | MD28-009-o (0,09 Nm) | MD28-012-o (0,12 Nm)

42 mm Flange / NEMA24: MD42-022-o (0,22 Nm) | MD42-036-o (0,36 Nm) | MD42-044-o (0,44 Nm) | MD42-070-o (0,7 Nm)

60 mm Flange / NEMA24: MD60-110-o (1,1 Nm) | MD60-210-o (2,1 Nm) | MD60-310-o (3,1 Nm)

Downloads & Links

Mocontronic MocDrive Comparison Table (PDF)

Kontakt

If you would like to know more about MocDrive mechatronic stepper motor solutions, please contact:

Guido Gandolfo
Product Line Manager
Motion Control
+49 5424 2340-57
ggandolfo@mev-elektronik.com