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STMicroelectronics WBC86 | Demoboard STDES-WBC86WTX
Qi compatible wireless power transmitter for 5W applications with integrated full bridge
Overview
| Topology | Wireless Power Transfer |
| Input voltage | 5-20 V |
| IC revision | 1 |
Description
The STDES-WBC86WTX reference design is based on STWBC86. It is designed for wireless power transmitter application.STDES-WBC86WTX IMAGE It can deliver up to 2.5W power to a STDES-WLC38WA board which has appropriate Rx coil size ensuring good performance with STDES-WBC86WTX.With an external USB-to-I²C bridge, you can monitor and control the STWBC86 using STSW-WPSTUDIO graphical user interface (GUI).The STDES-WBC86WTX features several safety mechanisms providing overtemperature, over-voltage, and current limit protections.
Features
- WPC Qi 1.2.4 compatible Power Class 0 BPP
- Power Tx reference design based on A11a topology
- Up to 5W output power transfer on the receiver side
- Wide input voltage range 4.75V to 20V
- Monolithic solution with integrated Half-bridge/Full-bridge inverter and drivers for high efficiency and low BOM
- 32-bit, 64MHz ARM Cortex micro controller with 8KB SRAM
- FTP (Few Times Programmable) for Firmware patching and advanced features
- On-chip current sense
- -10-bit A/D converter
- I2C interface
- Fully Configurable GPIOs
- Accurate voltage/current measurements for FOD
- Current limit and Thermal protection
- Robust ASK,FSK communication
- Flip chip 72 bumps (3.26mm x 3.67mm)
Typical applications
- Smart Wearable, Hearable Charging
- Medical electronics
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Interface Type | Type | Gender | Pins | Mount | PCB Thickness(mm) | Working Voltage(V (AC)) | Packaging | Color | Compliance | Size | L(µH) | IR(A) | RDC max.(mΩ) | fres(MHz) | Q(%) | P(W) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-USB Mini/Micro Connectors, Micro USB 2.0, Type AB | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Mini/Micro Connectors | Interface TypeType AB | TypeHorizontal | GenderReceptacle | Pins5 | MountSMT | PCB Thickness1.2 mm | Working Voltage30 V (AC) | PackagingTape and Reel | – | – | – | – | Rated Current1.8 A | – | – | – | – | |||
 | 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-PHD Jumper, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | GenderJumper | Pins1 | – | – | Working Voltage250 V (AC) | PackagingBag | ColorBlack | – | – | – | Rated Current3 A | – | – | – | – |