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On Semiconductor: Battery-free, Low-power Applications At The Edge Of The Iot Network

Auth:CGOCMALL Date:2018/12/18 Source:CGOCMALL Visit:292 Related Key Words: chip ON SEMICONDUCTOR CGOCMALL
With the rapid development of the Internet of Things (IoT), the number of connected IoT devices, the number of sensors, and the number of actuators will continue to grow. At the edge of the IoT network, there are a large number of end nodes, although these single nodes may only require very low power requirements and do not need to be continuously running (starting only when needed), but the number of nodes that are proliferating will produce extremely high total power. Consumption. As a result, the world faces the challenge of reducing energy consumption and needs to find alternative energy sources to achieve battery-free new solutions to power these edge nodes and improve energy efficiency. At the same time, the market needs a range of wireless protocols to enable wireless connectivity for flexible deployment, ease of maintenance, and reduced costs.

Committed to driving energy-efficient innovations, ON Semiconductor combines energy harvesting and low-power wireless interconnect technology to deliver a comprehensive ultra-low-power wireless solution that includes innovative acquisition energy self-powered solutions, intelligent passive wireless sensors, and connectivity nodes to the cloud The ultra-low-power embedded hardware platform solves the energy and wiring harness challenges of IoT applications while reducing design and maintenance costs, and is consistent with the concept of sustainability, making the world more environmentally friendly.

Low-power technology is the key to ensuring energy harvesting for battery-free operation

Energy harvesting technology refers to the use of energy such as thermoelectricity, vibration, motion, solar energy, etc., which is not yet utilized, to be recovered and converted into electrical energy, instead of battery powering applications, which will become increasingly important in the deployment of IoT. The key to battery-free power harvesting is low-power technologies that support ultra-low-power wireless protocols such as Bluetooth Low Energy (BLE), Zigbee, Sigfox, Mesh, Near Field Communication (NFC), and others. Each has its own advantages to meet different application needs. Combined with energy harvesting and low-power technology, power, battery and replacement costs are eliminated and are environmentally friendly.

Bluetooth Low Energy Switch Reference Design

Bluetooth low energy with optimized energy efficiency and easy connection to smartphones is the preferred protocol for short-range communication between various smart devices such as wearables, medical devices, and asset tracking.

ON Semiconductor's innovative Bluetooth low-power switch reference design, based on the industry's lowest power Bluetooth 5 radio, combined with ZF Friedrichshafen AG's energy harvesting technology, captures the energy transmitted by the user when the button is pressed. This kinetic energy is converted into electromagnetic energy and ultimately converted into electrical energy, which is stored for use by the RSL10 SIP.

The RSL10 is a Bluetooth 5 certified radio system single-chip (SoC) with fully integrated antenna and all passive components, ahead of the Embedded Microprocessor Test Bench Association (EEMBC) ULPMark energy efficiency evaluation, achieving the first time in more than 1,000 points. Grades, its system-in-package (SIP) module RSL10 SIP simplifies system design and minimizes bills of materials.

Each time the button is pressed, the energy harvesting scheme produces 300 μJ of energy, which is sufficient for the very low power requirements of the RSL10 SIP: deep sleep power consumption of only 62.5 nW and receive power consumption as low as 7 mW.

The Bluetooth low-power switch reference design works entirely with the collected energy to enable truly self-powered IoT applications, defining new ultra-low power levels for IoT, including wall and lighting control, building automation and asset tracking.

Rapid prototyping platform B-IDK for low-power wireless applications

ON Semiconductor's IoT Development Kit (IDK) was selected as the 2017 IoT Evolution Product of the Year Award by the magazine IoT Evolution and the IoT Evolution World, and was selected as the Rapid Prototyping Impact Award by ECN. It is configurable. A rapid prototyping platform that connects nodes to the cloud, covering all different types of capabilities, including ultra-low power interconnect through embedded software and firmware, sensing, drive, power management, and even cloud-based management and analysis, simplification and acceleration design.

RSL10 series supports Bluetooth Mesh network

Traditional Bluetooth interconnection enables peer-to-peer communication between two closely spaced devices/nodes. Since the Bluetooth Technology Alliance (SIG) released Bluetooth Mesh, Bluetooth technology has begun to fully support Mesh mesh networks, providing multi-to-many device communication, supporting up to 32,000 network devices and mandatory network security, enabling device manufacturers to deploy large-scale, low-cost Power consumption Bluetooth Mesh network for long-distance interconnection for a wide range of applications such as smart home, building automation and asset tracking.

ON Semiconductor expands the RSL10 family to support the Bluetooth Mesh standard, offering more features and the industry's lowest power consumption, enabling the IoT edge node application to benefit from ubiquitous, easy-to-use Bluetooth low power through the RSL10 USB adapter.

To sum up

The scale of IoT applications is expanding, involving a large amount of energy consumption, and battery-powered devices also involve battery life and maintenance issues. Energy harvesting technology is increasingly important, and low-power wireless technology is the key to achieving its meaning. The combination of these two technologies will help achieve battery-free, maintenance-free wireless connectivity applications, in line with world energy efficiency and environmental initiatives. With leading, comprehensive ultra-low-power wireless technology and extensive technical application knowledge and experience, ON Semiconductor continues to develop a complete line of low-power wireless interconnect solutions to help achieve battery-free/low-power consumption at the edge of the IoT network. Wireless IoT applications address energy challenges, reduce costs and speed design.

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