Micropelt
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Micropelt creates innovative solid state thin film Peltier cooler and thermogenerator devices that build on a scalable semiconductor platform technology. Micropelt products provide extreme power for cooling, cycling, and thermal management on a mm² scale as well as thermal energy harvesting and perpetual power supplies for self-sustained electronic devices. Micropelt solid state thin film devices target the chip spot cooling, energy harvesting, fiber optics, HVAC, and biomedical markets.
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Micropelt TE-CORE RF ThermoHarvesting Wireless Sensor System
Micropelt TE-CORE RF ThermoHarvesting Wireless Sensor System is a complete thermo-powered, self-sufficient wireless sensor node system (WSN). It is based on an energy harvesting module with a power management function, which converts locally available waste heat thermoelectrically to indefinite free electric energy. A wireless sensor module is connected to the TE-CORE RF and is equipped with Texas Instruments (TI) ultra-low power technology (CC2530). A temperature difference of as little as 10ºC between a hot surface and ambient air is enough for the TE-CORE RF to make a temperature measurement and a radio transmission every two seconds. Information about the thermal profile of the heat source, the generated output power, the thermal generator output voltage, the energy storage voltage and battery equivalent are displayed via a USB receiver and PC application software.
Micropelt TE-CORE ThermoHarvesting Module
The Micropelt TE-CORE ThermoHarvesting Module converts locally available waste heat thermoelectrically to indefinite free electric energy - as long as the heat flows through the thermogenerator (TEG). The integral power conversion and management circuit steps up the gradient-analog' output voltage of the TEG and outputs a fixed voltage (2.4 V by default). The Micropelt TE-CORE ThermoHarvesting Module's harvested energy is being buffered in an extendable capacitor and controlled by a configurable hysteresis.
Micropelt TE-Power MOTE Wireless Sensor System
The Micropelt TE-Power MOTE is a fully sealed autonomous wireless sensor system for outdoor or indoor applications, including harsh conditions. The TE-Power MOTE is based on the Micropelt TE-Power NODE platform and is powered by the MPG-D751 Thermo-Electric Generator (TEG) that converts heat into electrical energy. The Micropelt TE-Power MOTE autonomous wireless sensor is equipped with a Texas Instruments MSP430 ultra-low power microcontroller and a TI CC2500 2.4 GHz transceiver and can power from a vast range of waste heat or cold sources: friction/motion, electrical current, heating, air-conditioning, fire, pipes with hot/cold fluid, machines, motors, and more. A 2.4GHz radio link communicates the measurement data to the TE-Power SCOPE PC software. The Micropelt TE-Power MOTE system is prepared to adopt different network protocols within the 2.4 GHz frequency band, such as ZigBee. The current implementation is based on the TI "simpliciTI" RF network protocol.
Micropelt TE-Power PROBE Thermoharvesting Power Source
The Micropelt TE-Power PROBE Thermoharvesting Power Source is an integrated proximity or near-field thermoharvester designed for replacing primary batteries in most modern wireless systems operating in duty cycle mode. The Micropelt TE-Power PROBE harvester goes to the nearest hot spot and is wired up to the device(s) to be powered sustainably. A temperature gradient of 20 K (36 °F) is converted to 1 milliwatt (mW) of power, equivalent to 3 amp hours annually for a 3 volt system. A gradient of 54 K (97 °F) will return 10 mW equivalent to 30 AA cells of 2 Ah each, greatly enhancing the energy budget for remote wireless sensors and actuators. The 4.5V output voltage of the Micropelt TE-Power PROBE easily re-charges capacitors, thin film batteries, and conventional secondary cells. Optional configurations are available upon request.
Micropelt TE-Power PLUS Evaluation Kit
The Micropelt TE-Power PLUS Evaluation Kit is made for driving
applications with a matching energy budget and duty-cycle control.
Easily producing 100s of microwatts to some milliwatts the harvester
refills its extendable 100µF capacitor during the latency periods of the
duty cycle. Chip-sized energy harvesting technology from Micropelt
replaces a finite battery-based energy supply to a low-power wireless
system with infinite free power generated from local excess heat. The TE-Power
PLUS system will run as long as the average incoming power
exceeds the average system power consumption so that a positive energy
balance is maintained. The Micropelt TE-Power PLUS Evaluation Kit
provides access to the embedded Micropelt MPG-D751 chip
thermogenerator through a separate interface module. The implications of
thermal coupling to both air and surface, and the real-life
thermoharvesting power limitations are all experienced by test-driving
customer applications. Upgrade to TE-Power NODE or regulated 2.4V power
conditioning is possible.
Micropelt TE-Power NODE Evaluation Kit for Thermal Energy Harvesting
The highly modular Micropelt TE-Power NODE Evaluation Kit shows how thermal energy harvesting from free excess heat can provide more power
to wireless applications than batteries and lets you demonstrate this within minutes of unpacking it. The Micropelt TE-Power NODE Evaluation Kit includes a self-powered battery-free 2.4 GHz wireless sensor node with USB receiver which links to the TE-Power SCOPE thermoharvesting explorer and power budget evaluation software. Temperature gradients from little over 10°C provide the power to transmit 13 bytes once per second. The TE-Power NODE Evaluation Kit also contains a plug-on interface board which replaces the wireless module to provide 2.4 Volt from an extendable 100µF capacitor to custom applications that match the previously determined energy budgets and duty cycles. Direct access to the harvester's heart, the Micropelt MPG-D751 chip thermogenerator and its thermal gradient sensors is offered through another plug-on module. Heat source attachment is likewise flexible and simple. This powerful kit has the answers to any thermoharvesting-related question.