STEVAL-ISB045V1 STMicroelectronics

STEVAL-ISB045V1 Data brief 2.5 W wireless charger transmitter evaluation kit Features STWBC-WA digital controller 2.5 W output power Resistive and capacitive modulation Foreign object detection (FOD) Active presence detector Turn-key and firmware APIs Total reference design (IC, firmware, GUI and dongle) Description The STEVAL-ISB045V1 evaluation kit includes the STEVAL-ISB045V1T wireless battery charger transmitter evaluation board based on the STWBC-WA digital controller, the firmware and the STEVAL-WBCDNGV1 USB-to-UART dongle needed to use the STSW-STWBCGUI. The STEVAL-ISB045V1 firmware offers you the flexibility of modifying LEDs or GPIO behavior and customizing IC and UART signals. The layout is based on cost-effective two-layer PCB. Tools for the STEVAL-ISB045V1 evaluation kit are available on www.st.com and allow you to access run time information such as regulation error, frequency or protocol status. Summary table 2.5 W wireless charger STEVAL-ISB045V1 transmitter evaluation kit Digital controller for wireless battery charger transmitters for STWBC-WA wearable and smart watches applications Graphical user interface for wireless power transmitter STSW-STWBCGUI evaluation boards based on the STWBC chip family DB3531 - Rev 2 - April 2018 www.st.com For further information contact your local STMicroelectronics sales office.STEVAL-ISB045V1 STEVAL-ISB045V1 schematic diagrams 1 STEVAL-ISB045V1 schematic diagrams Figure 1. STEVAL-ISB045V1T circuit schematic (1 of 3) NTC 1 1 1 1 VDDA VSSA 13 14 VDD VSS 29 30 VSS 33 DB3531 - Rev 2 page 2/7 VDD STWBC TP1 L1 L2 J1 5V +5 V DC 0.27H 629105136821 6 1 SHELL USB VCC USB DM 180R 7 2 SHELL USBDM 8 3 USB DP FERRITE SHELL USBDP 9 4 R2 SHELL ID 5 L3 220K USB GND STWBC Digital 1K FERRITE POWER NODE C1 controller 47F VBUS C3 U1 47F D1 C6 R5 C5 STWBC-WA D5 ESDA7P60-1U1M C4 100NF 10K 100NF C8 BAS516 TVS 10NF 1F 31 22 R6 C7 VOUT DIGIN 0 47K 23 100NF DIGIN 1 SWIM 27 R8 TP3 SWIM RESET 28 26 4.7K NRST DIGIN 2 3 I2C SDA/DIGIN 4 4 DNBL I2C SCL/DIGIN 5 21 C9 UPBL DRIVEOUT 0 24 10NF DRIVEOUT 1 25 8 V SNS UPBR DRIVEOUT 2 CPP INT 3 5 9 R9 DNBR DRIVEOUT 3 CPP INT 2 2 10 USB DM PWM AUX/GPIO 2 CPP REF 11 CPP INT 1 12 VDD STWBC R4 R7 R11 CPP INT 0 220K 100K C2 USB DP 0R 32 WAVE SNS 4.7NF UART TX 1 UART RX 6 0R GPIO 0 7 15 R10 GPIO 1 TANK VOLTAGE LEDG 16 180K VBRIDGE 17 SPARE ADC 18 LEDR NTC TEMP 19 ISENSE COIL TEMP R14 20 VMAIN 470R R13 R16 VBUS 470R 100K D3 Layout Note: TP4 TP5 TP6 TP2 GREEN R15 Please Place NTC C10 47K D2 very close 10NF RED to the Main Coil VDD STWBC R3 R1 SWIM 100K 100K RESET 1 1