Demoboard STEVAL-ISB027V1

Qi A11 wireless charger transmitter evaluation board based on STWBC

Topologie: Wireless Power
Eingangsspannung (min.): 3.30 V
Eingangsspannung (max.): 5.00 V
Schaltfrequenz (min.): 110.00 kHz
Schaltfrequenz (max.): 205.00 kHz
Ausgang 1: 5.00 V / 1.500 A

Erstveröffentlichung am 02.03.2015, Version 3 vom


The STEVAL-ISB027V1 is a Qi 5 Watt wireless battery charger transmitter evaluation board based on the STWBC digital controller for wireless battery charger transmitters. The solution is certified in accordance with the Qi standard, A11 topology. The STEVAL-ISB027V1 provides a complete kit which includes the STWBC IC, firmware, layout and tools. The layout is based on a cost-effective 2-layer PCB. Tools for the STEVAL-ISB027V1 are available on, and allow users to access run time information such as the current power delivered or the FOD status. The STWBC firmware offers users the flexibility to modify the behavior of the LEDs or GPIOs, while adding customizable I²C and UART communication.


  • STWBC digital controller
  • 5 W output power
  • Qi 1.1.2 A11 certified
  • Foreign object detection (FOD)
  • Resistive and capacitive modulation
  • Active presence detector
  • Turn-key & FW APIs
  • complete kit (IC, firmware, tools)
  • RoHS compliant


  Artikel Nr. SPEC Produktserie Emitting Color λPeak typ.
λDom typ.
IV typ.
VF typ.
Chiptechnologie 50% typ.
Tol. L TC L Qmin.
TC Q RDC max.
Compliance Bauform P
Q Muster
150060VS75000 PDF WL-SMCW SMT Mono-color Chip LED Waterclear Bright Green 572 570 40 2 AlInGaP 140
150060RS75000 PDF WL-SMCW SMT Mono-color Chip LED Waterclear Rot 630 625 250 2 AlInGaP 140
744784227A PDF WE-MK Multilayer-Keramik-SMT-Induktivität 270 ±5% 100 MHz 8 100 MHz 4.5 100 400
760308111 PDF WE-WPCC Wireless Power Transfer Transmitter Spule 6.3 25 20 Qi - A11; MP-A11 53 x 53 x 6 mm 200 13 80