LTP 5901-IPM /LTP 5902-IPM - analog.com

1 LTP 5901-IPM /LTP 5902-IPM159012ipmfaFor more information or applicaTion neTwork FeaTuresDescripTionSmartMesh IP Node Wireless Mote ModuleSmartMesh IP wireless sensor networks are self man-aging, low power Internet Protocol (IP) networks built from wireless nodes called motes. The LT P 5901-IPM /LT P5902-IPM is the IP mote product in the Eterna * family of IEEE printed circuit board assembly solutions, featuring a highly-integrated, low power radio design by Dust Networks as well as an ARM Cortex-M3 32-bit microprocessor running Dust s embedded SmartMesh IP networking software.

2 Both the LT P5901-IPM (with chip antenna), at 24mm 42mm, and the LT P5902-IPM (with MMCX connector), at 24mm 37mm, are designed for surface mount Dust s time-synchronized SmartMesh IP networks, all motes in the network may route, source or terminate data, while providing many years of battery powered operation. The SmartMesh IP software provided with the LT P5901-IPM/LT P5902-IPM is fully tested and validated, and is readily configured via a software Application Pro-gramming IP motes deliver a highly flexible network with proven reliability and low power performance in an easy-to-integrate FeaTuresn Complete Radio Transceiver, Embedded Processor, and Networking Software for Forming a Self-Healing Mesh Networkn SmartMesh Networks Incorporate.

3 N Time Synchronized Network-Wide Schedulingn Per Transmission Frequency Hoppingn Redundant Spatially Diverse Topologiesn Network-Wide Reliability and Power Optimizationn NIST Certified Securityn SmartMesh Networks Deliver:n > Network Reliability Achieved in the Most Challenging RF Environmentsn Sub 50 A Routing Nodesn Compliant to 6 LoWPAN Internet Protocol (IP) and IEEE Standardsn Industry-Leading Low Power Radio Technology with to Receive and to Transmit at 8dBmn RF Modular Certification Include USA, Canada, EU, Japan, Taiwan, Korea, India, Australia and New Zealandn PCB Assembly with Chip Antenna (LT P5901-IPM) or with MMCX Antenna Connector (LT P5902-IPM).

4 QFN Version (LT C 5800-IPM) Availablen Micrium COS-II Real Time Operating System Based On-Chip Software Development KitL, LT, LT C, LT M, Linear Technology, the Linear logo, Dust, Dust Networks, SmartMesh and Eterna are registered trademarks and LT P, the Dust Networks logo and SmartMesh IP are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by Patents, including 7375594, 7420980, 7529217, 7791419, 7881239, 7898322, 8222965. * Eterna is Dust Networks low power radio SoC TA01 CONTROLLERSENSORIN+IN SPILTC2379-18 LTP5901-IPR/LTP5902-IPRUARTANTENNAHOSTAP PLICATIONUARTLTP5901-IPMLTP 5901-IPM /LTP 5902-IPM259012ipmfaFor more information or oF conTenTs Network Features.

5 1 LTP5901-IPM/LTP5902-IPM Features ..1 Typical Application .. 1 Table of Contents ..2 SmartMesh Network Overview ..3 Absolute Maximum Ratings ..4 Pin Configuration ..4 Order Information ..5 Recommended Operating Conditions ..5DC Characteristics ..5 Radio Specifications ..6 Radio Receiver Characteristics ..6 Radio Transmitter Characteristics ..7 Digital I/O Characteristics ..7 Temperature Sensor Characteristics ..8 analog Input Chain Characteristics ..8 System Characteristics ..8 UART AC Characteristics ..9 TIMEn AC Characteristics ..10 Radio_Inhibit AC Characteristics.

6 10 Flash AC Characteristics ..11 Flash SPI Slave AC Characteristics ..11 SPI Master AC Characteristics ..12I2C AC Characteristics ..131-Wire Master ..13 Flash SPI Slave AC Characteristics ..14 Typical Performance Characteristics ..15 Pin Functions .. 24 Power Supply ..24 Supply Monitoring and Reset ..25 Precision Timing ..25 Application Time Synchronization ..25 Time References ..25 Radio ..26UA RTs ..26 Autonomous MAC ..27 Security ..27 Temperature Sensor ..27 RADIO INHIBIT ..27 Software Installation ..27 Flash Data Retention ..28 State Diagram.

7 28I2C Master ..30 SPI Master ..301-Wire Master ..30 Applications Information ..31 Modes of Operation ..31 Regulatory and Standards Compliance ..31 Soldering Information ..32 Related Documentation ..32 Package Description ..33 Revision History ..35 Typical Application ..36 Related Parts ..36 LTP 5901-IPM /LTP 5902-IPM359012ipmfaFor more information or neTwork overviewThe Network Manager uses health reports to continually optimize the network to maintain > data reliability even in the most challenging RF use of TSCH allows SmartMesh devices to sleep in between scheduled communications and draw very little power in this state.

8 Motes are only active in time slots where they are scheduled to transmit or receive, typically resulting in a duty cycle of < 1%. The optimization soft-ware in the Network Manager coordinates this schedule automatically. When combined with the Eterna low power radio, every mote in a SmartMesh network even busy routing ones can run on batteries for years. By default, all motes in a network are capable of routing traffic from other motes, which simplifies installation by avoiding the complexity of having distinct routers vs non-routing end nodes.

9 Motes may be configured as non-routing to further reduce that particular mote s power consumption and to support a wide variety of network SmartMesh network consists of a self-forming multi-hop mesh of nodes, known as motes, which collect and relay data, and a network manager that monitors and manages network performance and security, and exchanges data with a host networks communicate using a time slotted channel hopping (TSCH) link layer, pioneered by Dust Networks. In a TSCH network, all motes in the network are synchronized to within less than a millisecond.

10 Time in the network is organized into time slots, which enables collision-free packet exchange and per-transmission channel-hopping. In a SmartMesh network, every device has one or more parents ( mote 3 has motes 1 and 2 as parents) that provide redundant paths to overcome communications interruption due to interference, physical obstruction or multi-path fading. If a packet transmission fails on one path, the next retransmission may try on a different path and different RF network begins to form when the network manager instructs its on-board Access Point (AP) radio to begin sending advertisements packets that contain information that enables a device to synchronize to the network and request to join.