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PDF LTP5902-IPM Data sheet ( Hoja de datos )
| Número de pieza | LTP5902-IPM | |
| Descripción | 2.4GHz 802.15.4 Eterna Mote Modules | |
| Fabricantes | Linear Technology | |
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Advanced Information
S m a r t M e s h® I P
LTP5901/LTP5902-IPM
2.4 GHz 802.15.4 EternaTM Mote Modules
About SmartMesh IP
Dust Networks’ new standards-based SmartMesh® IP product line achieves unsurpassed levels of networking resilience and reliability, with
advanced network management and comprehensive security. Based on Dust’s breakthrough Eterna™ SoC technology, SmartMesh IP
enables up to 8 times lower power consumption than competing solutions even in harsh, dynamically changing RF environments. Cost
effective, Internet Protocol (IP) compatible, and widely applicable, SmartMesh IP serves an extensive range of applications, such as energy
management, building automation, renewable energy, and other implementations in smart infrastructure that call for ultra low power.
Product Descriptions – LTP5901/LTP5902-IPM
SmartMesh IP networks are built from wireless network nodes called motes. The motes include advanced hardware and advanced software
algorithms that provide resilient, reliable, and low-power true-mesh networks. Dust motes deliver unprecedented low power consumption
with a receive current of less than 5 mA and a transmit current of less than 10 mA at +8dBm (< 6 mA at 0 dBm). With Dust’s time-
synchronized SmartMesh IP networking, all motes in the network may route and may be battery-powered, powered by an energy-harvester,
or line powered. SmartMesh IP’s time-synchronized mesh networking combines with Dust Network’s innovative IEEE 802.15.4-compliant
radio design to enable battery life of up to a decade for all motes, including routing motes, on two AA batteries.
The LTP5901/LTP5902-IPM Mote modules combine Dust Networks’ robust sensor networking solution with Dust’s breakthrough
EternaTM SoC Technology in an easy-to-integrate surface-mount printed circuit board (PCB). The LTP5901-IPM module includes an on-
board chip antenna, while the LTP5902-IPM module includes an MMCX antenna connector. Both PCB modules will come with modular
certifications for FCC, CE, and IC. Dust Networks provides a fully engineered RF solution, comprehensive APIs, and complete
development documentation thereby accelerating customer development and reducing customer development costs.
Key Product Features
Highly Scalable
• Automatic network formation—new motes join
automatically from anywhere in the network
• All motes are wireless routers, providing a full-mesh
network that easily scales to tens of thousands of motes per
square kilometer
• Time-synchronized communication across 15 channels
virtually eliminates in-network collisions, allowing for
dense deployments in overlapping radio space
Superior Reliability
• Intelligent Networking Platform enables greater than
99.99% network reliability even in the most challenging
monitoring and control environments
• Time-synchronized channel hopping seamlessly
compensates for in band blocking and multipath fading in
dynamic RF environments
IP Standards Compliance
• Compliant to IETF 6LoWPAN and IEEE 802.15.4e
standards
Ultra-low Power Operation
• Industry-leading radio technology capable of line-powered,
battery-powered, or energy-scavenging operation
• Automatic power optimization of every device in network,
enabling a decade of network operation on two Lithium AA
batteries
Easy to Integrate and Deploy
• Fully engineered RF transceiver, with power amplifier (PA),
integrated balun, and antenna matching circuitry
• Options for chip antenna or MMCX antenna connector
• A comprehensive application programming interface (API)
provides a rich and flexible functionality to ease software
development and device integration
Secure Global Market Solution
• Operates on 2.4 GHz global license-free band, providing
customers with a single product for world-wide use
• RF modular certifications (pending)-FCC, IC, and CE
• AES-128 bit encryption
Linear Technology / Dust Networks
1 page  
Advanced Information
2.0 Introduction
Eterna is the world’s most energy-efficient IEEE 802.15.4 compliant platform enabling battery and energy harvested
endpoint, routing and network management solutions. With a powerful 32-bit ARM® Cortex™-M3, best in class radio, flash,
RAM and purpose-built peripherals, Eterna provides a flexible, scalable and robust networking solution for applications
demanding both minimal energy consumption and data reliability in even the most challenging RF environments.
Shown in Figure 1, Eterna integrates purpose-built peripherals that excel in both low operating-energy consumption and the
ability to rapidly and precisely cycle between operating and low-power states. Items in the shaded region correspond to the
analog/RF components.
32 kHz
SRAM
72 KB
Flash
512 KB
Flash
Controller
Code
Cortex-M3
System
Timers
Sched.
PMU /
Clock
Control
AES
Auto
MAC
IPCS
SPI
Slave
CLI
UART
(2 pin)
API
UART
(6-pin)
802.15.4
Mod
802.15.4
Framing
DMA
32 kHz, 20 MHz
Primary
DC/DC
Converter
Relaxation
Oscillator
PoR
PA
DC/DC
Converter
Voltage Reference
Core Regulator
Clock Regulator
Analog Regulator
DAC LPF
PA
PLL
802.15.4
Demod
ADC
ADC
Ctrl.
10-bit
ADC
Limiter BPF
PPF LNA
AGC
RSSI
VGA S
PTAT
4-bit
DAC
Bat.
Load
Figure 1 Eterna Block Diagram
2.1 Power Supply
Eterna is powered from a single pin, VSUPPLY, which powers the I/O cells and is also used to generate internal supplies.
Eterna’s two on-chip DC/DC converters minimize Eterna’s energy consumption while the device is awake. To prevent power
from being wasted the DC/DC converter is disabled when the device is in low-power state. Eterna’s rejection of supply noise
is substantial owing to the two integrated DC/DC converters and three integrated low-dropout regulators. Eterna’s operating
supply range is high enough to support direct connection to Li-SClO2 sources and wide enough to support battery operation
over a broad temperature range.
Eterna Datasheet
Linear Technology / Dust Networks
5
5 Page 
Advanced Information
4.4 Duty Cycling and Autonomous Peripherals
Eterna’s ability to quickly and efficiently transition between Doze and Active states, in conjunction with the ability of
peripherals to operate autonomously for most operations (shown in Figure 9), enables the system solution to significantly
reduce power consumption. For example the system can automatically go from Doze to Active and determine if RF energy is
present. The CPU is then only woken if a packet is detected, otherwise Eterna returns to Doze mode.
Figure 9 Low Energy Duty Cycling
Eterna Datasheet
Linear Technology / Dust Networks
11
11 Page | ||
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| PDF Descargar | [ Datasheet LTP5902-IPM.PDF ] | |
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