STEVAL-GPT001V1 STMicroelectronics

STEVAL-GPT001V1 Data brief Thin-film solar smart watch based on SPV1050 energy harvester and battery charger Features Sensor Tile Cradle with SPV1050TTR energy harvester and battery charger, humidity and temperature sensor, gas gauge, lithium battery charger, micro-USB port, ON/OFF switch and breakaway SWD connector 3.7 V / 100 mAh Li-Po battery SWD programming cable Silicon strap embedding the thin-film flexible solar modules and housing the SensorTile Cradle and the battery Software libraries and tools: STSW-GPT001V1: dedicated SensorTile firmware package supporting different algorithms tailored to the on-board sensors and computation of system autonomy and charge stored in the battery FP-SNS-ALLMEMS1: STM32 ODE function pack FP-SNS-MOTENV1: STM32Cube function pack STBLESensor: iOS and Android demo apps BlueST-SDK: iOS and Android software development kit Compatible with STM32 ecosystem through STM32Cube support STEVAL-STLCS01V1 SensorTile module (not included in the kit) Firmware debug/upload through the SWD connector and cable RoHS and WEEE compliant Description Product summary The STEVAL-GPT001V1 is a multi-sensor wearable unit hosted by a silicon strap and Thin-film solar smart powered by the SPV1050TTR energy harvester and battery charger. Attached to the watch based on STEVAL- watch face and bands are a set of thin-film solar modules that are extremely efficient, SPV1050 energy GPT001V1 especially in indoor environments. harvester and battery charger The development kit simplifies prototyping, evaluation and development of innovative solutions, as well as increasing the autonomy of the system and charging the battery. Ultra low power energy The STEVAL-GPT001V1 cradle board is designed to accept the tiny STEVAL- harvester and battery SPV1050TTR charger with embedded STLCS01V1 SensorTile turnkey IoT sensor module, demonstrating the powerful MPPT and LDOs processing capabilities of the ultra-low-power STM32L4 microcontroller and Bluetooth low energy connectivity based on the BlueNRG network processor, as well BLE sensor application STBLESensor as a wide spectrum of MEMS motion and environmental sensors and a digital for Android and iOS microphone. Bluetooth low energy and sensor technology BlueST-SDK SDK DB3338 - Rev 3 - November 2018 www.st.com For further information contact your local STMicroelectronics sales office.STEVAL-GPT001V1 Schematic diagram 1 Schematic diagram Figure 1. STEVAL-GPT001V1 circuit schematic: power and connectors Battery charger USB, SWD, Power switch V USB R11 VBat NC V USB V USB U2STBC08PMR R10 R220 ohm U1USBLC6-2P6 U2 V USB 0R VSTORE 5 USBUSB-MICRO 6 1 R23NM VBUS Vcc BAT 1 5 VBat PROG 3 4 2 RXD-USB DM D2 D3 C2 1 6 3 CHRG 3 C3 RXD-USB DP D1 D4 CHRG 4 4.7 F 2 R5 4.7 F PWR ON 2 5 C1 20K GND 100 nF VPROG = 1V VBat IBAT=(VPROG/RPROG)x1000 Battery connector RPROG=1000*VPROG/IBAT 1 2 BAT NTC 3 Bat- VDD SWD BATT V USB CHRG 1 SWDCLK 2 R3 2 1 CHRG LDO3v3 3 2K SWDIO 4 5 R4 2 1 SWDCLK DNM RESET LED1 VBat U4STC3115IQT 1 10 ALM VIN 2 9 C10 I2C SDA SDA VCC 3 8 1 F I2C SCL SCL BATD/CD 4 7 NC RSTIO 5 6 Bat- SensorTile connector C7 GND CG 4.7 F R9 R8 50mOHM BM10B(0.8)-16DP-0.4 V(51) LDO3v3 1K CN2 VDD G2 G1 BAT NTC 2 1 MIC CLK SWDIO 4 3 SWDCLK 6 5 RESET 8 7 I2C SCL 10 9 I2C SDA 12 11 RXD-USB DP SD CS 14 13 RXD-USB DM SD MOSI 16 15 SD SCK SD MISO G4 G3 VDD U5HTS221 1 2 I2C SCL VDD SCL 6 4 I2C SDA SensorTile footprint CS SDA C8 100 nF SensorTile 5 3 GND DRDY LDO3v3 VDD 1 18 MIC CLK 2 17 3 16 SWDIO 4 15 SWDCLK 5 14 RESET 6 13 RXD-USB DP I2C SCL 7 12 RXD-USB DM I2C SDA 8 11 SD SCK SD CS 9 10 SD MISO SD MOSI DB3338 - Rev 3 page 2/5 SH2 SH1 7 PAD 4 GND