EMEVB8500 User Guide
Contents
1. taeees 2 2 EMEVB8500 BOARD mE 3 2 1 Descriptions M A ere 3 2 2 Feat res descriptio Menane a a a a a Ea EEE E AE E EEEE OSE Ia 5 2 2 1 Hi extension CONNECT PP 2 2 2 H2 extension connector 2 2 3 DELEA EEEE e 9 PRSE ERE T T TED DLE E 2 2 4 PRG extension corninector o iiie idi Eine ende b i dE EE ec E hayes EHE ELE OU ELO S RETE REI be EET ve EE ec erre y heeds 8 2 2 5 Si termina and HRV EUR 9 2 2 6 S2 teminaland NE TiS ER 9 2 2 7 REI UII hogar 10 2 2 8 WAKE UP Control line RR 11 2 2 9 l2G lines config ratiOD 2 ais desi reticere E ani ees E EE HUE EO THE BEI RENE EE DEEP EIU EFE LIE VE ELE EY NELLE BEER CERE Le A EF 12 2 3 Goodi practices and recommendatlons ndi ec a eres Heer EL ian Ae eB T ee E BIER Ce RO CR VER Te RE aed 13 2 4 seii 14 2 5 21S TA 15 3 Table Of CONLGIS E HU 16 3 1 IB Cyro ufa t f RE TOT ETE EO THESE 17 3 2 List of Table ct Rii 17 Copyright 2015 EM Microelectronic2. Note Depending on your WAKE UP configuration also apply the same rule for WAKE UP line Copyright 2015 EM Microelectronic Marin SA 13 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 SCHEMATIC 2 4 Harvester external terminal ScrewTerminal 2 1 LTS external terminal ScrewTerminal 2 82 al AVDD HRV AVSS STS AVSS HRV AVSS LTS AVDD REG AVSS IHRV AVSS LTS 1 2 AVDD_LTS SCap FCOH104ZFTBR24 SC K2 Discharge supercap targe supe _ AVSs LTS STS external terminal a KRS2I1_Button 22 AVDD STS 100uF Default STS value C6 AVSSI 100 uF AVSS STS i ScrewTerminal 2 WAKE UP WAKE UP AVDD USB MOSI_SDA AVDD STS MISO SCL Default wake up pull selection J5A KRS211 Button AVDD STS Push button polarity cs VAUX_GND_2 VAUX GND 1 VAUX GND 0 BAT LOW HRV LOW VSUP I2C optional pull ups MOSI_SDA f JP l SCL cs VSUP SCL VAUX 0 AVDD STS MISO VAUX 1 VAUX 2 VSUP VAUX 2 VAUX 1 cs SCL SCK AVDD_STS WAKE UP MOSI SDA MISO SDO AVSS STS VAUX 0 MOSI SDA SDI VAUX GND 0 WAKE UP BAT LOW
3. Copyright 2015 EM Microelectronic Marin SA 11 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 2 9 12C LINES CONFIGURATION The I2C communication pins GCL and MOSI_SDA do not incorporate internal pull ups It is possible to add external 10Kohms pull ups resistors R2 and R3 by adding jumpers on J6A and JPB Force 12C pull up Figure 2 6 EMEVB8500 I2C Pull ups Configuration Copyright 2015 EM Microelectronic Marin SA 12 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 3 GOOD PRACTICES AND RECOMMENDATIONS Find below a check list of common recommendations that should not be overlooked CS Line When using 12C communication ensure that the CS line is kept low either use a pull down resistor on CS or tied directly to ground If CS is floating the SPI bus might erroneously be selected instead of the 12C and I2C communication cannot be established Communication Lines When using EM8500 without a microcontroller or other hardware to control the communication lines the floating lines and their respective input buffers might consume significant energy which may reduce the efficiency of your system especially when the harvester source provides low levels of energy Keep the MOSI SDA SCI SCK and CS lines to defined levels no floating lines Use pull resistors or direct connection to a well defined level 0 or 1
4. H AVDD_LTS AVSS LTS WoD sg VAUX GND 1 HRV LOW AVDD REG VAUX GND 2 Header 254 2x10 VSUP H1 Main power outp AVDD HRV 18 AVSS_HRV Header 254 2x10 20 Header 254 2x10 H3 Harvester and Storage lines IC EMEVB8500 Schemat Figure 2 7 ic com lectron www emmlicroe 14 PRELIMINARY Copyright 2015 EM Microelectronic Marin SA EMEBV8500 MNO 1 Version 1 0 28 Sep 15 EM8500 2 5 BOM Designator C1 C2 C3 C4 Part Description Capacitor SMD 2012 1uF C5 Capacitor SMD 2012 470nF C6 Capacitor SMD 3216 100uF C7 C8 Capacitor SMD 2012 10uF EM8500 EM harvester controller QFN24 H1 H2 H3 Header 2x10 2 54mm J1 J2A J2B J3 J4A J4B J5A J6A J6B Jumper 2 54mm K1 K2 Button C amp K KSR211GLFS L1 Coil 47uH TDK VLS3012ET 470M PRG Header 2x4 2 54mm R1 Resistor SMD 2012 1M R2 R3 Resistor SMD 2012 10K R4 Resistor SMD 3216 22 1 S2 S3 Screw Terminal TE Connectivity 1776275 2 SC Supercap Kemet FCOH104ZFTBR24 0 1F Table 2 5 Bill of Material Copyright 2015 EM Microelectronic Marin SA EMEBV8500 MNO 1 Version 1 0 28 Sep 15 15 www emmicroelectronic com PRELIMINARY EM8500 3 TABLE OF CONTENTS 1 oM EIER MHEI
5. 1 Figure 2 2 EMEVB8500 HRV amp S1 View Notes 1 There is no default on board harvester available 2 Observe polarity when connecting the input external harvester Reverse polarity generates high leakage current across the EM8500 ESD protection diode connected to VSS 2 2 6 S2 TERMINAL AND LTS The external Long Term Storage can be connected to the S2 screw block terminal To connect the external Long Term Storage to the VDD LTS pin of the EM8500 a jumper must be placed on J2A Jumper on J2B must be removed Figure 2 3 EMEVB8500 LTS S2 amp K2 View Notes 1 A default on board LTS capacitor C7 10uF is connected on VDD LTS This capacitor cannot be disconnected except by physically removing it 2 When using the on board Supercap SC as Long Term Storage a jumper on J2B must be placed Jumper on J2A must be removed 3 A dedicated Supercap discharge circuit is available on board To ensure that the on board Supercap is correctly discharged keep button K2 pressed for at least 15 seconds 4 Observe polarity when connecting the external Long Term Storage Reverse polarity generates high leakage across the EM8500 ESD protection diode connected to VSS and may damage the LTS When using a battery do not connect battery with reversed polarity Copyright 2015 EM Microelectronic Marin SA 9 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 2 7 S3 TERMINAL AND
6. 2C communication lines and BT LOW and HRV_LOW control lines 1 0 TYPE DESCRIPTION PIN NAME DIRECTION SUPPLY 1 VSS Supply System ground connection EM8500 device ground 2 VSS Supply System ground connection EM8500 device ground 3 CS Input VSUP SPI chip select and SPI I2C selection mode when at 1 4 CS Input VSUP SPI chip select and SPI I2C selection mode when at 1 5 SCL SCK Input VSUP I2C SPI clock connection 6 SCL SCK Input VSUP I2C SPI clock connection 7 MISO SDO Output VSUP SPI MISO data connection 8 MISO SDO Output VSUP SPI MISO data connection 9 MOSI SDA Input Inout VSUP SPI MOSI input SDA 12C inout data connection 10 MOSI SDA Input Inout VSUP SPI MOSI input SDA 12C inout data connection 11 WAKE UP Input All STS Wake up pin 12 WAKE_UP Input All STS Wake up pin 13 BAT_LOW Output VSUP Battery low indicator when at 1 14 BAT_LOW Output VSUP Battery low indicator when at 1 15 HRV_LOW Output VSUP Energy harvester cell low indicator when at 1 16 HRV_LOW Output VSUP Energy harvester cell low indicator when at 1 17 VSUP Output Main supply 18 VSUP Output Main supply 19 VSS Supply System ground connection EM8500 device ground 20 VSS Supply System ground connection EM8500 device ground Table 2 2 H1 Pin out Description Copyright 2015 EM Microelectronic Marin SA 6 www e
7. 3 H3 Pin out Description Copyright 2015 EM Microelectronic Marin SA 7 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 2 4 PRG EXTENSION CONNECTOR A dedicated connector is available to access all required lines used to configure the EM8500 EEPROM or access to registers The communications SPI I2C lines are also available on the H2 extension connector for the application To avoid conflicts the connections to the application should be disconnected during accesses through PRG 1 0 TYPE DESCRIPTION PIN NAME DIRECTION SUPPLY 1 VSS Supply System ground connection EM8500 device ground 2 CS Input VSUP SPI chip select and SPI I2C selection mode when at 1 3 VSUP Output Main supply 4 SCL SCK Input VSUP I2C SPI clock connection 5 VDD STS y o Connection for the Short Term energy Storage element 6 MISO SDO Output VSUP SPI MISO data connection 7 WAKE UP Input All STS Wake up pin 8 MOSI SDA Input Inout VSUP SPI MOSI input SDA 12C inout data connection Table 2 4 PRG Pin out Description Copyright 2015 EM Microelectronic Marin SA 8 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 2 5 S1 TERMINAL AND HRV An external harvester can be connected to the S1 screw block terminal To connect the external harvester to the VDD_HRV pin of the EMB8500 a jumper must be placed on J
8. EM MICROELECTRONIC marin sa dips EM8500 EMEVB8500 EVALUATION BOARD USER MANUAL Vy ATA MSN Em i T gt zz Pull gt K1 active gt Low gt High LI l GGG AI Description The EMEVB8500 board is targeted at rapid evaluation and prototyping of integrated energy harvesting solutions based on EM8500 family of devices The evaluation board offers a set of features to show the performance of EM8500 hardware applications The EMEVB8500 board allows flexibility with various configuration external harvester input internal or external storage elements and user connections Main Features Hardware Software Long Term storage selection on board Supercap or external EMPB85xx Software is available when the configuration tool EMPB85xx is used Supercap discharge path Short term storage selection on board capacitor or external Refer to EMPB85xx User Manual External harvester selection Expansion header for prototyping and external connection Configurable wake up line with push button EM8500 I2C pull up selection Copyright 2015 EM Microelectronic Marin SA 1 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 1 OVERVIEW The architecture of the EMEVB8500 is based on the following block diagram EM8500 C User extension connector e User extension screw terminal block Figure 1 1 EMEVB8500 System Architecture Copyright 2015 E
9. M Microelectronic Marin SA 2 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 EMEVB8500 BOARD 2 4 DESCRIPTION The board is equipped with EMB8500 core design consisting of the EM8500 devices and required external components Extension header H1 used to supply the application Extension header H2 used to interface the communication and control signals between application and EM8500 Extension header H3 used to expose other signals STS LTS HRV USB Extension header PRG used to configure the EM8500 Terminal block S1 to connect any external harvester Terminal block S2 to connect an external Long Term Storage to LTS primary or secondary storage Terminal block S3 to connect an external Short Term Storage to STS Supercap SC as LTS with a dedicated discharge path Different jumper areas to select the terminal blocks or internal board resources and configure I2C lines or Wake up line Push button K2 used for the Supercap discharging Polarity configurable push button K1 used for Wake up control line The board dimension is 65 x 65 mm H1 H2 and H3 are male headers 2x10 pins 2 54 mm pitch PRG is male headers 2x4 pins 2 54 mm pitch S1 S2 and S3 are 2 pins screw terminal block 3 5 mm pitch Copyright 2015 EM Microelectronic Marin SA 3 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 Place jumper on J1 t
10. Marin SA 16 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 3 1 LIST OF FIGURES Figure 1 1 EMEVB8500 System Architecture 2 rente ite iced eeiam pri Pens ED RE CHEER n UAR NES EAEE E EHAS KE EA E AEE RAA 2 Figure 2 1 EMEVBBS500 D esCriptiORi oct itn erc ri ttis recte titer itu cresta to edad velt ke ecrire divite eda gue dV toad 4 Figure 2 2 EMEVB8500 HRV 8S1 VIEW tritt ipte rtt eee tt enti iue e reed te vede vds de ede c usd dederat ie eda usua dV Ee Ra 9 Figure 2 3 EMEVB8500 LTS S2 amp K2 ViCW cccccccccceeeeceeeneeeeeeeeeeeeeaeeeeeaeeeeceaeeeseaaeeecceaeeeseaaeeecaaessceaeeesesaeeeseaaeessaeeeseeaeeeseaeeeseeeesesaseseeiaeeeseaees 9 Figure 2 4 EMEVB8500 STS amp S9 VIeW 2i ea tte eda die Ee CH REDI Een ea dhe ERR ELT EE Ra ae dne EE Eae Lea bd pa ai a detente 10 Figure 2 5 EMEVB8500 WAKE UP multiple Configuration Examples esseeseeeseeeeeeeneeeneenneneee nere ennren rnnt nnne nenne nnns 11 Figure 2 6 EMEVB8500 l2 G Pull ups Configuration 5 2 1 2 20 1 actin a tod eris eoru ied bad ta paa E pega sa aero SEE dg Ee ERBEN Ra ER iaaa ida EDANE Ioi 12 Figure 2 7 EMEVB8500 SchetialiG 22 iiid eror er endi sete to teo etr paso edo Rebate La e SEHE o oov da a Blade a Pa o alana 14 3 2 LIST OF TABLES Table 25H HT Pinout GOS CHP OM c rero eerie ittis sveeetaccaesacacenbacstasaganevageaaccanadcuagicaceteesesnanesesacsnutesauenaynca lt ateenssacnesr
11. STS The external Short Term Storage can be connected to the S3 screw block terminal To connect the external Short Term Storage to the VDD STS pin of the EM8500 a jumper must be placed on J3 Figure 2 4 EMEVB8500 STS amp S3 View Notes 1 A default on board STS capacitor C6 100uF is connected on VDD STS This capacitor cannot be disconnected except by physically removing it 2 Observe polarity when connecting the external Short Term Storage Reverse polarity generates high leakage across the EM8500 ESD protection diodes connected to VSS and may damage the device Copyright 2015 EM Microelectronic Marin SA 10 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 2 8 WAKE UP CONTROL LINE The WAKE UP pin of the EM8500 is available for external connection or can be driven by push button K1 Its configuration is determined by jumpers J4A J4B J5A and J5B EM8500 A RM Configuration for Wake up ETE Dutton K1 falling edge Pull gt Up gt Down EM8500 m Configuration for Wake up tive Low High PETI 3 s gt Down simt Configuration for Wake up Sy pull down EM8500 gt Up gt Down ES taie tive gt Low gt High REL J5B h K1 Configuration for Wake up EM8500 pull up Ha Configuration for Wake up EM8500 tive gt Low gt High oaa floating Figure 2 5 EMEVB8500 WAKE UP multiple Configuration Examples
12. aacsdeensanensgeeacets 5 Table 2 2 Hi Pin out Description di i heic ee he ea edid eH Esai ce ec TER EE Pede ree E s Roa ce eek ELM RE e Ee ent tized 6 Tabl 2 3 IREZSeaBree T 7 Table 2 4 PRG Pinout Deseriptioniszcsicccicsacccieci ead 8 Table 2 5 B Material sc NETITEEINMIDE S 15 EM Microelectronic Marin SA EM makes no warranties for the use of EM products other than those expressly contained in EM s applicable General Terms of Sale located at http www emmicroelectronic com EM assumes no responsibility for any errors which may have crept into this document reserves the right to change devices or specifications detailed herein at any time without notice and does not make any commitment to update the information contained herein No licenses to patents or other intellectual property rights of EM are granted in connection with the sale of EM products neither expressly nor implicitly In respect of the intended use of EM products by customer customer is solely responsible for observing existing patents and other intellectual property rights of third parties and for obtaining as the case may be the necessary licenses Important note The use of EM products as components in medical devices and or medical applications including but not limited to
13. mmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 2 3 H3 EXTENSION CONNECTOR H3 connects monitors several other signals 1 0 TYPE DESCRIPTION PIN NAME DIRECTION SUPPLY 1 VSS Supply System ground connection EM8500 device ground 2 VSS Supply System ground connection EM8500 device ground 3 VDD_STS y o Connection for the Short Term energy Storage element 4 VDD STS VO Connection for the Short Term energy Storage element 5 VSS Supply System ground connection EM8500 device ground 6 VSS Supply System ground connection EM8500 device ground 7 VDD_LTS V0 Connection for the Long Term energy Storage element 8 VDD_LTS VO Connection for the Long Term energy Storage element 9 VSS Supply System ground connection EM8500 device ground 10 VSS Supply System ground connection EM8500 device ground 11 VDD_USB Input USB power supply connection 12 VDD_USB Input USB power supply connection 13 VREG Output Regulated voltage connection 14 VREG Output Regulated voltage connection 15 VDD_HRV Input Connection for energy harvester 16 VDD_HRV Input Connection for energy harvester 17 VSS Supply System ground connection EM8500 device ground 18 VSS Supply System ground connection EM8500 device ground 19 VSS Supply System ground connection EM8500 device ground 20 VSS Supply System ground connection EM8500 device ground Table 2
14. o connect the external Harvester S1 Discharge SC Place jumper on J2A I to connect the Place jumper on J2B to connect the internal LTS Supercap SC Place jumper on J3 to connect mI the external STS S3 gt Dow 3 Configuration for Wake up i button K1 rising edge pull up Press K2 for Supercap SC safe discharge 8 MOSI SDA PRG 8500 1 VSS 2 CS 3 VSUP 5 AVDD STS 7 WAKE UP 4 SCL 6 MISO Supply outputs H2 com and Pull Up Down conan e R2 Wake up ICE B Uu 42 t 5 Ow amp a 5 2I Qa aA aaa NANnAnAAANNH gt gt gt gt gt NN gt qtr gt raqraactat gt os Cw t 00 O0 Onn nA AN Cx 00 no epa or A X I P OO nM nM n4 n n1 Configuration for Wake up Figure 2 1 EMEVB8500 Description 1 2 VSS 34 VSUP 5 6 VAUX_2 7 8 VAUX_1 9 10 VAUX O 11 12 VSS 13 14 VAUX_GND_0 15 16 VAUX GND 1 17 18 VAUX GND 2 19 20 VSS 1 2 VSS 34 CS 5 6 SCL SCK 7 8 MISO SDO 9 10 MOSI SDA SDI 11 12 WAKE_UP 13 14 BAT_LOW 15 16 HRV_LOW 17 18 VSUP 19 20 VSS I2C J6A J6B Place jumpers on pepo J6A and J6B to add pull ups on Sie SDA and SCK Copyright 2015 EM Microelectronic Marin SA EMEBV8500 MN01 Version 1 0 28 Sep 15 4 PRELIMINARY www emmicroelectronic com EM8500 2 2 FEATURES DESCRIPTION 2 2 1 H1 EXTENSION CONNECTOR H1 connects the supply lines VSUP VAUX and VAUX_GND line
15. s to the application VO TYPE DESCRIPTION PIN NAME DIRECTION 1 VSS Supply System ground connection EM8500 device ground 2 VSS Supply System ground connection EM8500 device ground 3 VSUP Output Main supply 4 VSUP Output Main supply 5 VAUX 2 Output Auxiliary 2 supply connection 6 VAUX 2 Output Auxiliary 2 supply connection 7 VAUX 1 Output Auxiliary 1 supply connection 8 VAUX 1 Output Auxiliary 1 supply connection 9 VAUX 0 Output Auxiliary 0 supply connection 10 VAUX 0 Output Auxiliary 0 supply connection 11 VSS Supply System ground connection EM8500 device ground 12 VSS Supply System ground connection EM8500 device ground 13 VAUX_GND 0 Output Auxiliary 0 ground supply connection 14 VAUX_GND 0 Supply Auxiliary 0 ground supply connection 15 VAUX GND 1 Output Auxiliary 1 ground supply connection 16 VAUX GND 1 Output Auxiliary 1 ground supply connection 17 VAUX_GND 2 Output Auxiliary 2 ground supply connection 18 VAUX_GND 2 Output Auxiliary 2 ground supply connection 19 VSS Supply System ground connection EM8500 device ground 20 VSS Supply System ground connection EM8500 device ground Table 2 1 H1 Pin out description Copyright 2015 EM Microelectronic Marin SA 5 www emmicroelectronic com EMEBV8500 MNO 1 Version 1 0 28 Sep 15 PRELIMINARY EM8500 2 2 2 H2 EXTENSION CONNECTOR H2 connects the SPI I
16. safety and life supporting systems where malfunction of such EM products might result in damage to and or injury or death of persons is expressly prohibited as EM products are neither destined nor qualified for use as components in such medical devices and or medical applications The prohibited use of EM products in such medical devices and or medical applications is exclusively at the risk of the customer Copyright 2015 EM Microelectronic Marin SA 17 www emmicroelectronic com EMEBV8500 MN01 Version 1 0 28 Sep 15 PRELIMINARY
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