ST STEVAL-WESU1, User Manual

Page 1: ...energy wireless network processor BLUENRG MS and power management circuitry that allows fast charging and precise energy estimation STNS01 and STC3115 The connectivity granted by the best in class BLUENRG MS and supported by the integrated balun BALF NRG 01D3 permit to maximize the RF performances with low area occupancy and design effort and pass the RF Test for FCC certification FCC ID S9NWESU1 ...

Page 2: ...anagement 9 2 4 1 STNS01 and STLQ015 9 2 4 2 STC3115 10 2 5 Connectors 10 2 5 1 Battery connector 10 2 5 2 SWD Connector and external peripherals 11 2 5 3 USB Connector 12 2 5 4 Exposed pad connector 12 2 5 5 uFL connector 12 2 6 Buttons and LEDs 12 3 Formal notices required by the U S Federal Communications Commission FCC 13 4 Formal notices required by the Industry Canada IC 14 5 Board schematic...

Page 3: ......

Page 4: ...in WLCSP100 package BLUENRG MS Bluetooth Low Energy BLE single mode network processor compliant with Bluetooth specification core 4 0 BALF NRG 01D3 50 Ω balun for BLUENRG MS transceiver with integrated harmonic filter LSM6DS3 iNEMO inertial module 3D accelerometer 2 4 8g 3D gyroscope 245 500 2000dps LIS3MDL MEMS 3D magnetometer 4 8 12 16 gauss LPS25HB MEMS pressure sensor 260 1260 hPa absolute dig...

Page 5: ...e Application Status and the Battery Charging Status The Charging LED LED 2 could be Light ON the USB plug is correctly connected and the board is charging Light OFF the board is not charging use USB cable reconnection to force re start Blinking approximately at 1Hz charging failure e g over temperature three wires battery not connected It is important to avoid deep discharge 30 to maintain batter...

Page 6: ...Confidential DRAFT A custom 1 27 mm pitch SWD connector is used to have a compact solution since to program the on board STM32L151 it has been included in the package a specific adapter useful to be connected to a programmer tool e g ST LINK v2 Figure 4 Board Layout top layer Figure 5 Board Layout Bottom layer ...

Page 7: ... To visualize the information sent through the Bluetooth Low Energy connectivity is fundamental to install one of the App available for the Smartphone and Tablet ST WESU Android App available on Google Play ST WESU iOS App available on Apple Store To use this App is need a Smartphone or Tablet supporting the BLE connectivity i e iPhone 4S and subsequent or an Android based device with Android OS 4...

Page 8: ...tc allows the overall power saving of the system ST s family of MEMS sensor modules leverages the robust and mature manufacturing processes already used for the production of micro machined accelerometers and gyroscopes The various sensing elements are manufactured using specialized micromachining processes while the IC interfaces are developed using CMOS technology that allows the design of a ded...

Page 9: ...s between operating modes allow very low average current consumption resulting in longer battery life The BLUENRG MS offers the option of interfacing with external microcontrollers using SPI transport layer BALF NRG 01D3 is a 50Ω conjugate match to BLUENRG MS QFN32 package that integrates balun transformer and harmonics filtering It features high RF performances with a very small footprint and a R...

Page 10: ...age to estimate the state of charge SOC of the battery An internal temperature sensor simplifies implementation of temperature compensation An alarm output signals a low SOC condition and can also indicate low battery voltage The alarm threshold levels are programmable The STC3115 offers advanced features to ensure high performance gas gauging in all application conditions 2 5 Connectors The follo...

Page 11: ...ough a dedicated adapter connected to programmer tool like ST Link Figure 7 as an expansion connector to allow user to access to other board features as described in Table1 Figure 7 SWD Connector Table1 Expansion Connector GPIO Description Expansion Connector GPIO Description Exp Pin J500 Port Pin Default func Expansion PIN PWM USART ADC 8 A2 Push Button 1 TIM2CH3 USART2_TX ADC_CH2 3 B0 User LED 2...

Page 12: ...xpansion connector see cutting line in 8 USB feature will be accessible by exposed pads on the bottom of the PCB 8 Firmware upgrade will be possible only over the air or via USB DFU Figure 8 STEVAL WESU1 Exposed Pads 1 USB DP 2 USB 5V 3 GND 4 USB DM 5 TP512 Expansion PIN 4 test point 2 5 5 uFL connector The uFL connector U201 not mounted is connected to BLUENRG MS RF path through C206 not mounted ...

Page 13: ...on manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense For Class B Digital Devices This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rul...

Page 14: ...ot cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device French Cet appareil numérique de la classe A ou B est conforme à la norme CS 03 du Canada Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l autorité de l utilisateur pour actionner l équi...

Page 15: ...ge Manufacturer Manufacturer Code More Info 1 1 ANT1 2 4 GHz Chip Antenna SMD Pulse W3008C 2 1 CN500 Micro_USB _AB Molex 47590 0001 3 5 C110 C200 C2 16 C401 C411 1uF 6 3V Ceramic X5R 10 SMD 0402 Murata GRM155R60J105KE19D 4 23 C111 C112 C1 13 C114 C115 C116 C201 C2 19 C222 C225 C228 C302 C3 04 C305 C306 C307 C308 C3 09 C406 C407 C412 C504 C5 05 100nF 16V Ceramic X5R 10 SMD 0201 Murata GRM033R61C104...

Page 16: ...1D Mandatory Use Manuf Code Marked 12 1 C229 150n 6 3V Ceramic X5R 10 SMD 0402 Murata GRM155R60J154KE01D Mandatory Use Manuf Code Marked 13 2 C402 C403 2 2uF 6 3V Ceramic X5R EIA 20 SMD0402 Murata GRM155R60J225ME95D 14 3 C405 C408 C4 09 10nF 10V Ceramic X7R 10 SMD 0201 Murata GRM033R71A103KA01D 15 1 C410 220nF 16V Ceramic X7R 10 SMD 0402 Murata GRM155R71C224KA12D 16 1 C500 4 7nF 50V Ceramic X7R 10...

Page 17: ...1 ANY ANY 29 10 R116 R117 R1 19 R120 R121 R122 R123 R2 00 R201 R501 10k 1 SMD 0201 ANY ANY 30 5 R301 R302 R3 03 R307 R308 0 1 SMD 0201 ANY ANY 31 5 R114 R118 R3 04 R305 R306 0 NOT MOUNT 1 SMD 0201 ANY ANY 32 1 R400 2K 1 SMD 0201 ANY ANY 33 1 R401 1R 1 SMD 0201 ANY ANY 34 1 R402 60 0 05W 1 SMD 0201 ANY ANY 35 2 R403 R408 1K 1 SMD 0201 ANY ANY 36 1 R404 10K NTC NOT MOUNT 1 SMD 0402 Vishay NTCS0402E3...

Page 18: ...D3 FLIP CHIP 4 ball ST BALF NRG 01D3 ST SUPPLY 48 1 U301 LPS25HB HLGA 10L 2 5 x 2 5x 0 76 mm ST LPS25HB ST SUPPLY 49 1 U302 LSM6DS3 LGA 14L 2 5x3x0 83 mm ST LSM6DS3 ST SUPPLY 50 1 U303 LIS3MDL VFLGA 12 2 0x2 0x1 0 mm ST LIS3MDL ST SUPPLY 51 1 U400 STNS01 DFN12L 3x3 mm ST STNS01 ST SUPPLY 52 1 U401 STC3115 CSP 1 4 x 2 0 mm ST STC3115 ST SUPPLY 53 1 U402 STLQ015XG 30R SOT666 ST STLQ015XG30R ST SUPPL...

Page 19: ...ST application note template Error No text of specified style in document STMicroelectronics Confidential Rev 0 1 19 22 DRAFT 5 2 Schematic ...

Page 20: ...note template 20 22 Version 0 1 STMicroelectronics Confidential DRAFT 6 Revision history Table 1 Table Title Revision Date of modification Description of modification 0 2 July 15 Initial draft 0 3 July 15 Modified version 0 4 July 15 Changed name in STEVAL WESU1 ...

Page 21: ...ST application note template Error No text of specified style in document STMicroelectronics Confidential Rev 0 1 21 22 DRAFT ...

Page 22: ...XPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZE REPRESENTATIVE OF ST ST PRODUCTS AR...