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STMicroelectronics STWBC-WA | Demoboard STEVAL-ISB045V1
Digital controller for wireless battery charger transmitters for wearable and smartwatch applications
Overview
| Topology | Wireless Power Transfer |
| Input voltage | 3-5.5 V |
| Output 1 | 5 V / 1 A |
| IC revision | 1 |
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 STWBC-WA firmware offers you the flexibility of modifying LEDs or GPIO behavior and customizing I²C 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.
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)
Typical applications
- Wearable applications / Smart Watch
More information
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.(°) | Interface Type | Type | Variant | Gender | Pins | Mount | Working Voltage(V (AC)) | Packaging | Compliance | Size | L(µH) | IR(A) | RDC max.(mΩ) | fres(MHz) | Q(%) | P(W) | 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 ° | – | – | – | – | – | MountSMT | – | PackagingTape and Reel | – | 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 ° | – | – | – | – | – | MountSMT | – | PackagingTape and Reel | – | 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 | – | – | – | – | – | – | – | – | – | – | – | Pins2 | MountTHT | – | – | Complianceworks with Qi Tx IC's | SizeØ 20 x 2.8 mm | Inductance6.8 µH | Rated Current2.5 A | DC Resistance130 mΩ | Self Resonant Frequency20 MHz | Q-Factor42 % | Power Capability [1]50 W | ||||
 | WR-USB Mini/Micro Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | – | – | – | – | – | – | – | Interface TypeType B | TypeHorizontal | Variantwith Pads & Pegs | GenderReceptacle | Pins5 | MountSMT | Working Voltage30 V (AC) | PackagingTape and Reel | – | – | – | Rated Current1 A | – | – | – | – |