Wireless sensor networks achieve lowest power consumption at less than 50µA per node

Linear Technology’s Dust Networks product group introduced the SmartMesh LTC5800 (system-on-chip) and LTP5900 (module) families, the industry’s lowest power IEEE 802.15.4E compliant wireless sensor networking products.

SmartMesh ICs and modules enable tiny sensor “motes” to be designed with a battery life of over 10 years, while companion network manager components enable the development of highly robust and secure wireless sensor networks (WSN).

SmartMesh networks use a “triple-play” of wireless mesh technologies—time diversity, frequency diversity, and physical diversity—to assure reliability, resiliency, scalability, power source flexibility and ease-of-use. At the core of this technology is an intelligent mesh network with advanced algorithms and power saving technologies that enable powerful features unavailable from other WSN providers. These include deterministic power management and optimization, auto-forming and self-healing mesh technology, zero collision low power packet exchange and scalability to large, dense, deep networks.

Two communication standards are supported: the SmartMesh IP version is compliant with the 6LoWPAN standard, providing native IPv6 addressability to every node. The new SmartMesh WirelessHART IEC62591 compliant products double the battery life over the prior release.

The SmartMesh family consists of several products to simplify system development. The LTC5800 system-on-chip (SoC) includes robust sensor networking software in an easy-to-integrate 72-pin 10mm x 10mm QFN package. The LTC5800 integrates all radio circuitry components, including an onboard power amplifier and an ARM Cortex M3 32-bit microprocessor, requiring only power, ground and an antenna for robust wireless connectivity. The LTP5901/LTP5902 mote modules provide an easy-to-integrate surface-mount printed circuit board (PCB) that has undergone FCC, CE and IC modular radio certifications. The LTP5901 module includes an onboard chip antenna, while the LTP5902 module includes an MMCX antenna connector.

Summary of Features: LTC5800 & LTP5900

• Time-Synchronized, Channel Hopping Networks that Deliver Ultralow Power & High Reliability in Harsh Environments
• Self-Forming, Self-Healing Mesh Networks
• Rx Current: 4.5 mA
• Tx Current @ 0 dBm : 5.4 mA
• Tx Current @ +8 dBm: 9.7 mA
• IEEE 802.15.4, 2.4 GHz (2400-2483.5 MHz), Direct Sequence Spread Spectrum
• AES-128-Bit Encryption
• Over-the-Air Software Update Capability Built-In
• Sub-millisecond Accurate Time Stamp Available at Every Node in the Network
• Full On-Chip RF Integration, Including Power Amplifier (PA), Balun & Antenna Matching Circuitry
• ARM Cortex M3 32-Bit processor
• 72-pin 10mm x 10mm QFN Package (LTC5800)
• 42 mm x 24 mm PCBA Module (LTP5901) with Onboard Chip Antenna
• 37.5 mm x 24 mm PCBA Module (LTP5902) with MMCX Antenna Connector
• LTP5903 WirelessHART Network Manager, 102.9mm x 55.6 mm PCBA Module with MMCX Antenna Connector. Requires 150 mA Average at 5V