ECT100 User Manual V2.2
Contents
1. 9 USER MANUAL 1 5 Environmental Conditions Operating temperature Storage temperature Humidity 1 6 Ordering Information Green Smart Wireless enoceal 0 C 40 C 25 C up 65 C 0 95 r h Type Ordering Code ECT 100 Kit S3004 P100 EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 ECT 100 User Manual V2 2 82041 Oberhaching info enocean com November 5 2008 1 31 PM Germany www enocean com Page 6 9 USER MANUAL Green Smart Wireless enocean ECT 100 2 FUNCTIONAL DESCRIPTION 2 1 Block Diagram V_IN DC DC CNE Converter V_OUT V_SC2 Limiter Energy ae 4 5V Management ae ECT100 converts an input voltage in the range of 0 02V to 0 25V to an output voltage in the range of about 4V to 4 5V The input voltage can e g be generated from a temperature differential using a peltier element There are two outputs V_SC1 and V_SC2 which are designed to be used in combination with an STM110 radio module First V_SC1 is switched on It is designed to charge a short term energy storage small ca pacitor on STM110 for a fast start up of the module As soon as V_SC1 is approximately 3 5V the output V_SC2 is switched on This output is designed to charge the long term en ergy storage gold cap on STM110 A typical behaviour is shown below M Pos 308 0ns TRIGGER Risina Mode Coupling M102. 05 Switching between V_SC1 and V_SC2 In addition there is an unmanaged output V_OUT EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 ECT 100 User Manual V2 2 82041 Oberhaching info enocean com November 5 2008 1 31 PM Germany www enocean com Page 7 9 USER MANUAL Green Smart Wireless enocean ECT 100 2 2 Pin Description and operational characteristics Symbol Function Operational Characteristics GND Ground connection V_IN Input for positive output voltage Allowed input voltage range 0 02V 0 25V from Peltier element V_SC1 Output voltage Connect to STM110 V_SC1 is limited at 4 5V V_SC1 input for fast startup of the module V_SC2 Output voltage Connect to STM110 V_SC2 is switched on when V_SC1 is ap V_SC2 input to charge gold cap proximately 3 5V V_SC2 is limited at 4 5V V_OUT Unmanaged output voltage V_OUT is limited at 4 5V Observe precautions Electrostatic sensitive devices 3 APPLICATIONS INFORMATION 3 1 Connecting ECT100 to Peltier element and to STM110 Heat sink Peltier element Hot surface v_SC2 U U z STM110 v_SC1 i y oO ECT100 m Use thermal compound to mount the Peltier element to the hot surface m Check polarities EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 ECT 100 User Manual V2 2 82041 Oberhachi
3. USER MANUAL Green Smart Wireless enocean Patent WO 05 096482 WO 02 095707 further patents pending EnOcean GmbH Phone 49 89 67 34 689 0 Kolpingring 18a Fax 49 89 67 34 689 50 82041 Oberhaching info enocean com Germany www enocean com Subject to modifications ECT 100 User Manual 2 1 November 5 2008 1 31 PM Page 1 9 USER MANUAL E E Green Smart Wireless enocean ECT 100 REVISION HISTORY The following major modifications and improvements have been made to the first version V1 0 of this document No Major Changes 1 01 2 0 2 1 Updated performance of ECT100 stepcode BA and new pin layout Published by EnOcean GmbH Kolpingring 18a 82041 Oberhaching Germany www enocean com info enocean com phone 49 89 6734 6890 EnOcean GmbH All Rights Reserved Important This information describes the type of component and shall not be considered as assured characteristics No responsibility is assumed for possible omissions or inaccuracies Circuitry and specifications are subject to change without notice For the latest product specifica tions refer to the EnOcean website http www enocean com As far as patents or other rights of third parties are concerned liability is only assumed for modules not for the described applications processes and circuits EnOcean does not assume responsibility for use of modules described and limits its liabil
4. eganeeanes 9 EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 ECT 100 User Manual V2 2 82041 Oberhaching info enocean com November 5 2008 1 31 PM Germany Www enocean com Page 3 9 USER MANUAL F Green Smart Wireless enocean ECT 100 1 GENERAL DESCRIPTION 1 1 Basic Functionality EnOcean has developed a thermal energy harvester which is able to power wireless sensor nodes from temperature differentials of only a few Kelvin This new energy harvester ECT100 is based on a revolutionary DC DC converter which automatically starts operation at 20mV For comparison the leading conventional DC DC converters need at least 500mV to start operation a factor of 25 more The output power depends on the actual temperature difference between both sides of the Peltier element and the element being used It ranges from pW to mW at 3 5V Therefore ECT100 is designed for use with EnOcean radio technology in sensors and actuators 1 2 Typical Applications A typical thermo driven sensor consists of a sensor element a small Peltier element a heat sink the new DC DC converter and an STM110 radio module from EnOcean Powered by the temperature differential the STM110 will wake up on a regular basis e g every 10s acquire sensor values and transmit them via a radio signal over a distance of up to 300m Typical application areas are home and building automation automated meter reading a
5. ity to the replacement of modules determined to be defective due to workmanship Devices or systems containing RF components must meet the essential requirements of the local legal authorities The modules must not be used in any relation with equipment that supports directly or indirectly human health or life or with applications that can result in danger for people animals or real value Components of the modules are considered and should be disposed of as hazardous waste Local government regulations are to be observed Packing Please use the recycling operators known to you By agreement we will take pack ing material back if it is sorted You must bear the costs of transport For packing material that is returned to us unsorted or that we are not obliged to accept we shall have to in voice you for any costs incurred EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 ECT 100 User Manual V2 2 82041 Oberhaching info enocean com November 5 2008 1 31 PM Germany www enocean com Page 2 9 USER MANUAL Green Smart Wireless enocean TABLE OF CONTENT 1 GENERAL DESCRIPTION ccssiascccshavsarvssarsarviendeaevesadeacveliveaivstadsaryitiveeaustiaiaadiveeietis 4 1 1 Basic Functional Ey sciccieiccvecinced cone teees neds a a E A EEE ETA 4 1 2 Typical Applications prisiims ian anaana ANENA tees E SANEREN 4 1 3 Technical Data 0idsPontvcide sewed adaeiieiatetvkea a ielma
6. nd industrial automation 1 3 Technical Data 1 3 1 Technical Data DC DC converter Supply voltage V_IN 0 02V 0 25V Output voltage V_SC1 V_SC2 limited at 4 5V Efficiency 30 1 3 2 Technical Data Peltier Element Type Eureca TEC2L 15 15 5 6 73CS Temperature coefficient 12 5 mV K Internal resistance 1 44 Q Thermal conductivity 0 046 W K 1 3 3 Technical Data Heat Sink Type SK 426 50mm Thermal resistance 4 5 K W EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 ECT 100 User Manual V2 2 82041 Oberhaching info enocean com November 5 2008 1 31 PM Germany www enocean com Page 4 9 USER MANUAL en Smart Wireless enocean ECT 100 1 3 4 Combined Performance of ECT100 and TEC2L 15 15 5 6 73CS ECT100perpetuum Stepcode BA inferior heat sink 10 15 deltaT K The figure above shows the output power of ECT100 as a function of the temperature differential between both sides of the Peltier element The output power depends of the performance of the heat sink 1 4 Physical Dimensions ECT 100 45mm x 30mm x 15mm without pins Peltier element 15mm x 15mm x 5 6mm Heat sink 50mm x 50 8mm x 16 5imm Pinout DC DC onverter EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 ECT 100 User Manual V2 2 82041 Oberhaching info enocean com November 5 2008 1 31 PM Germany www enocean com Page 5
7. ng info enocean com November 5 2008 1 31 PM Germany Wwww enocean com Page 8 9 USER MANUAL Green Smart Wireless enocean 3 2 Design considerations concerning the heat sink As shown in section 1 3 4 the output power strongly depends on the heat sink Important factors are Dimensions and material of heat sink Orientation of heat sink For best performance we recommend to orient the heat sink as shown in the figure below Hot surface Heat sink Peltier element Air stream Let the air stream from the bottom up through the heat sink ECT100 perpetuum is designed for the conversion of very low voltage in the range of 20mV 250mV Voltages higher then 250mV will damage the DC DC converter Make sure that there is no temperature difference higher then 20k 12 5mV K between the hot and the cold side of the Peltier element A The heat sink should be placed besides and not above the hot surface 4 DECLARATION OF CONFORMITY Will be added when product is released for series production EnOcean GmbH Phone 49 89 67 34 689 0 Subject to modifications Kolpingring 18a Fax 49 89 67 34 689 50 ECT 100 User Manual V2 2 82041 Oberhaching info enocean com November 5 2008 1 31 PM Germany Www enocean com Page 9 9
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