Overview
The STWBC-EPTR is a digital controller designed by STMicroelectronics for wireless battery charger transmitters. It is specifically tailored for Qi-compliant applications, supporting up to 15W of output power. This component is part of the EVALSTWBC-EP evaluation kit, which includes a demo board, firmware, and various tools for comprehensive development and testing. The STWBC-EPTR is integral in enabling high-power wireless charging for devices such as smartphones and tablets.
Key Specifications
| Specification | Details |
|---|---|
| Output Power | Up to 15W |
| Input Voltage | 5V to 20V |
| Topology | Half bridge topology |
| Compliance | WPC Qi1.2.4 standard compliant |
| Package | VFQFPN-32 |
| Operating Voltage | 5.5V |
| Foreign Object Detection | Yes |
| Active Presence Detection | Yes |
| Interface | UART protocol |
| Standby Power Consumption | Low |
| RoHS Compliance | Ecopack1 |
Key Features
- STWBC-EP digital controller
- Supports MP-A15 fixed frequency topology
- Robust demodulation algorithm with triple path (V, I, f)
- Foreign Object Detection (FOD) and Active Presence Detection
- UART protocol for control and monitoring
- Complete reference design including evaluation board, schematics, PCB layout, firmware, and tools
- Low standby power consumption
- Flash memory based
- CE certified and ROHS compliant
Applications
The STWBC-EPTR is designed for use in wireless battery charging applications, particularly for devices that require high power levels such as smartphones, tablets, and other portable electronics. It is suitable for both standard Qi-compliant charging and proprietary fast charging modes.
Q & A
- What is the maximum output power of the STWBC-EPTR?
The maximum output power of the STWBC-EPTR is up to 15W. - What input voltage range does the STWBC-EPTR support?
The STWBC-EPTR supports an input voltage range of 5V to 20V. - Is the STWBC-EPTR compliant with Qi standards?
Yes, the STWBC-EPTR is compliant with the WPC Qi1.2.4 standard. - What type of topology does the STWBC-EPTR use?
The STWBC-EPTR uses a half bridge topology. - Does the STWBC-EPTR support Foreign Object Detection (FOD)?
Yes, the STWBC-EPTR supports Foreign Object Detection (FOD). - What interface does the STWBC-EPTR use for control and monitoring?
The STWBC-EPTR uses a UART protocol for control and monitoring. - Is the STWBC-EPTR ROHS compliant?
Yes, the STWBC-EPTR is ROHS compliant with an Ecopack1 grade. - What is the package type of the STWBC-EPTR?
The STWBC-EPTR comes in a VFQFPN-32 package. - Does the STWBC-EPTR support active presence detection?
Yes, the STWBC-EPTR supports active presence detection. - What kind of demodulation algorithm does the STWBC-EPTR use?
The STWBC-EPTR uses a robust demodulation algorithm with triple path (V, I, f).
