STEVAL-ISB040V1 2.5 W wireless power receiver evaluation board based on STWLC03 Data brief Description The STEVAL-ISB040V1 is a wireless receiver evaluation board based on the STWLC03 integrated wireless power receiver. STWLC03 is focused on the 2.5 W protocol based on Qi; with digital control and precise analog control loops ensuring stable operation. The STWLC03 wireless receiver allows tuning for a wide range of receiving coils, from small form factors to standard sizes. The IC interface allows customizing device parameters, which can be saved in embedded non-volatile memory. Features * * * * * * * * * * Based on STWLC03 for wireless power receiver 2.5 W output power Integrated high efficiency synchronous rectifier 800 kHz programmable step-down converter with input current and input voltage regulation loops Qi 1.1.2 based communication protocol IC interface Thermal protection Low power dissipative rectifier overvoltage clamp Suitable for wearable applications RoHS compliant November 2016 DocID029973 Rev 1 For further information contact your local STMicroelectronics sales office 1/4 www.st.com Schematic diagram 1 STEVAL-ISB040V1 Schematic diagram Figure 1: STEVAL-ISB040V1 circuit schematic VA 1 R3 GPIO0 SCL AC1 CBO OT 1 C2 3.3nF 100nF AC2 CM2 39nF MOD2 CBO OT 2 100nF BOOT 2 TCK F4 TMS A1 TDI G4 TDO G3 VIO G1 GPIO0 D6 F1 E2 E3 D3 E6 GND B1 B2 B3 SIO0 GPIO1 E5 SIO1 GPIO2 E4 SIO2 GPIO3 E1 CL M P1 BOOT1 G8 G6 G5 A C1 A C1 A C1 BOOT1 M OD1 F6 F7 G7 M OD1 A C1 E9 E10 E11 CL M P1 A C2 F11 A C2 A C2 A C2 M OD2 F9 M OD2 BOOT2 CL M P2 E8 U1 TR_ EXT TMS RMOD1 TDI RM OD D1 2xSCK SDA D4 SCK INT C3 CSN C1 RE SET/END2 F5 VRE CT G11 E7 TDO VRE CT VRE CT VIO CL AMP RE SL GPIO0 VS UPS VS UPS GPIO1 GPIO2 VS UP VS UP VS UP GPIO3 BOOT USBOK C2 SCL USBOK LX LX LX SCL F10 VRE CT G10 F8 C12 10uF C13 10uF C3 10uF A7 C6 A8 B8 B7 VS UP CBO OT G9 BOOT VRE CT A1 1 B1 0 B1 1 100nF L X 1 C4 10uF C9 10uF L2 2 VOUT RE SET VF B C6 VA A4 1uF VRE CT RCL 1 Rx NT C A3 CL M P1 A2 VA SWDRV NT CRX VE XT ONP AD_ H COMP G2 F3 GND GND AGND C15 C14 10uF 10uF D5 CFB 15pF RF B1 PGND 160k PGND VF B A5 B6 FBGND RF B2 33.2k VCO RE GND Star routing option PGND PGND 2 PGND 2 P6 P5 A GND A GND A GND A GND VCO RE F2 1uF GND C5 10uF D7 A1 0 C7 COMP C10 470nF B4 B5 C4 C5 GND FBGND V5 V V5 V RPGND RPGND RPGND RPGND 100nF AGND C7 VOUT VOUT 1.5uH/2.9A COMM D8 D9 D10 D11 TDI TMS V5 V A9 B9 PGND SDA INT BPGND BPGND BPGND BPGND C11 PGND Rs A6 PIN TCK 2/4 D- TCK SIO3 BOOT SEL VIO RCL 2 VCO RE C8 C9 C10 C11 COI L - .Designator 2 PGND C20 68nF CL M P2 39nF C23 56nF P21 D+ BOOT2 CM1 56nF M OD1 56nF C21 1 VIO GND SDA C22 VIO VRE CT .Designator RD R1 7 .Designator GND C1 68nF GND 2 SDA INT INT BOOT1 USBOK CL MP2 R1 T1 D0 EN GND COI L + R1 1 .Designator 51k 4k7 4k7 USBOK RESET/EN 51k 51k R8 R7 R6 SCL R2 VIO R4 AGND 1 AGND 1 GND DocID029973 Rev 1 GSPG2909161540SG STEVAL-ISB040V1 2 Revision history Revision history Table 1: Document revision history Date Version 09-Nov-2016 1 Changes Initial release. DocID029973 Rev 1 3/4 STEVAL-ISB040V1 IMPORTANT NOTICE - PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST's terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers' products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. (c) 2016 STMicroelectronics - All rights reserved 4/4 DocID029973 Rev 1