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STMicroelectronics STWBC | Demoboard STEVAL-ISB027V1
Qi A11 wireless charger transmitter evaluation board based on STWBC
Overview
| Topology | Wireless Power Transfer |
| Input voltage | 3.3-5 V |
| Switching frequency | 110-205 kHz |
| Output 1 | 5 V / 1.5 A |
| IC revision | 3 |
Description
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 www.st.com, 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.
Features
- 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
Typical applications
- PMA / Qi A11 / Qi A13
- Wearable appliations
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | Compliance | Size | L(µH) | IR(A) | RDC max.(mΩ) | fres(MHz) | Q(%) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | Size0603 | – | – | – | – | – | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red | Downloads26 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | Size0603 | – | – | – | – | – | |||
 | WE-WPCC Wireless Power Transfer Transmitter Coil, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-WPCC Wireless Power Transfer Transmitter Coil | – | – | – | – | – | – | – | ComplianceQi - A11; MP-A11 | Size53 x 53 x 6 mm | Inductance6.3 µH | Rated Current13 A | DC Resistance25 mΩ | Self Resonant Frequency11 MHz | Q-Factor80 % | ||||
 | 744784227A | –, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series – | – | – | – | – | – | – | – | – | Size0402A | Inductance0.27 µH | Rated Current0.1 A | DC Resistance4500 mΩ | Self Resonant Frequency400 MHz | – |