Ultra low power wireless MCU platform for battery-less / energy-harvesting systems
Texas Instruments (TI) has announced the new SimpleLink ultra-low power wireless microcontroller (MCU) platform that helps users go battery-less with energy harvesting or enjoy always-on, coin cell-powered operation for multiple years.
'With this industry-first technology, customers have the flexibility to develop products that support multiple wireless connectivity standards using a single-chip and identical RF design', says the company.
The SimpleLink ultra-low power platform supports Bluetooth low energy, ZigBee, 6LoWPAN, Sub-1 GHz, ZigBee RF4CE and proprietary modes up to 5Mbps. This platform expands TI’s SimpleLink portfolio, the broadest, lowest power and easiest to use wireless connectivity offering in the industry for the Internet of Things (IoT).
Extending TI’s low-power MCU leadership, the SimpleLink ultra-low power platform is the most integrated with an ARM Cortex-M3 MCU, Flash/RAM, analog-to-digital converter, peripherals, sensor controller and built-in robust security on chip. The platform is also the easiest to design with through ready-to-use protocol stacks, TI RTOS, Code Composer Studio integrated development environment (IDE), development tools, online training and E2E community support. Minimal RF expertise is required with available reference designs, which simplify development and layout. Additionally, TI makes it easier for customers to connect to the cloud through the TI IoT cloud ecosystem.
The first members of the SimpleLink ultra-low power wireless MCU platform are the CC2640 for Bluetooth Smart, and the CC2630 for 6LoWPAN and ZigBee. For additional flexibility, customers can use the CC2650 wireless MCU supporting multiple 2.4 GHz technologies including Bluetooth Smart, 6LoWPAN, ZigBee and RF4CE. Leveraging this multi-standard support, users can future-proof their designs and configure their chosen technology at the time of installation in the field. Additional members of the platform – the CC1310 for Sub-1 GHz operation and the CC2620 for ZigBee RF4CE – are scheduled to be available later in 2015.
The new ultra low-power platform is designed for low power operation, which includes a unique integrated sensor controller that interfaces external sensors autonomously while the rest of the device sleeps. The platform includes radio peak currents below 6.2mA and MCU active current of less than 61uA/MHz. The complete chip can stay in standby at only 1uA with memory retention and RTC (real time clock) running. This enables the platform to offer half the power of other MCUs according to EEMBC’s ULPBench with a score of 143.6.
The CC2640 is designed for a broad range of Bluetooth Smart applications including health, fitness and medical wearables, mobile accessories, beacons, industrial automation and more with:
1 - Easy development with comprehensive design support: Complete robust, royalty-free software stack with over-the-air (OTA) update capability, wiki guides, reference designs, low-cost tools and software starting points
2 - Lowest power Flash-based Bluetooth 4.1 solution with multi-year operation on smaller coin cells
3 - Complete one-chip Bluetooth Smart system in a finger-tip, 4x4 mm size that integrates a Flash-based MCU, Bluetooth Smart radio
To get started, customers can use the next-generation Bluetooth Smart SensorTag (CC2650STK) or the CC2650DK development kit and download the latest BLE-Stack.
The CC2630 is designed for 6LoWPAN or ZigBee technologies for applications in LED lighting control, home automation applications such as security systems, appliances, smart plugs and wireless sensor networks with:
1 - Ultra-low power operation on a coin cell battery to power a light switch for 10 years and enable battery-operated mesh networks or energy harvesting-based sensor nodes
2 - A versatile portfolio of IEEE 802.15.4-based networking solutions provides support for the largest networks connecting 1,000’s of nodes in homes, buildings and cities
3 - Easy IP and cloud connectivity through 6LoWPAN operation where each device includes an IPv6 address
To get started, users can source the CC2650DK. For ZigBee, developers can download the appropriate Z-Stack. Additionally, the device is 6LoWPAN capable with the appropriate software.
Additional members of the SimpleLink family will include the Sub-1 GHz CC1310 wireless MCU for operation in 315 MHz, 433 MHz, 470 MHz, 868 MHz, 915 MHz and 920 MHz ISM bands and the ZigBee RF4CE CC2620 wireless MCU for advanced TV, set-top box and home entertainment remote controls.
SimpleLink ultra-low power wireless MCU platform-based development kits are available now. All development kits for 2.4 GHz operation are based on the CC2650 solution and are customized with technology-specific software for Bluetooth Smart, 6LoWPAN, ZigBee or ZigBee RF4CE operation.
1 - CC2650DK: $299 for a complete 2.4 GHz hardware, software and RF development platform for Bluetooth Smart, ZigBee and 6LoWPAN
2 - CC2650EMK: $99 for two optimized plug-in boards to easily test RF performance with more nodes in a CC2650DK network
3 - CC2650STK: $29 for the next-generation Bluetooth Smart SensorTag
The SimpleLink ultra-low power wireless MCU devices will be available in 4mm x 4mm, 5mm x 5mm and 7mm x 7mm QFN packages. The 7mmx 7mm package is available now as part of TI’s sample program, the other devices will follow in the coming month, says the company.