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STMicroelectronics STWLC38 | Demoboard STDES-WLC38WA
Qi-compatible wireless power receiver reference design for Qi 2.5 W applications
Overview
| Topology | Wireless Power Transfer |
| IC revision | 1 |
Description
The STDES-WLC38WA reference design is based on STWLC38. It is designed for wireless power receiver applications and it allows you to quickly start your 2.5 W Qi-BPP compatible wireless charging receiver projects.This reference design document provides sufficient information to develop a project for up to 2.5 W charging using baseline power profile (BPP).Through the I²C interface you can access and modify different configuration parameters, tailoring the operation of the device to the needs of custom applications. Using an on-board USB-to-I²C bridge, the user can monitor and control the STWLC38 using the STSW-WPSTUDIO graphical user interface (GUI).
Features
- Up to 15 W output power
- Up to 5W output power in Tx mode
- Qi 1.3 inductive wireless standard communication protocol compliant
- High efficiency (98% typical) synchronous rectifier operating up to 800 kHz
- Low drop-out linear regulator with output current limit and input voltage control loop
- Adaptive Rectifier Configuration (ARC) Mode for enhanced spatial freedom
- 4 V to 12 V programmable output voltage
- Above 85% overall system efficiency
- 32-bit, 64 MHz ARM Cortex M0+ core with 32kB RRAM,16 kB SRAM,64kB ROM
- 10-bit A/D Converter
- Configurable GPIOs
- I2C Slave interface
- Multi-level ASK modulator, Enhanced FSK demodulator
- Output Over-Voltage clamping protection
- Accurate voltage/current measurement for Foreign Object Detection (FOD)
- On-chip thermal management and protections
- Flip chip 40 bumps (2.12mm x 3.32mm)
Typical applications
- Smartphones
- Wearable/Hearables TWS
- Medical and healthcare equipment
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | Compliance | Size | L (µH) | IR (A) | RDC max. (mΩ) | fres (MHz) | Q | P (W) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012205044 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 1 nF | ±10% | 25 | -55 °C up to +125 °C | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | 0402 | – | – | – | – | – | – | ||
| 885012205050 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 10 nF | ±10% | 25 | -55 °C up to +125 °C | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | 0402 | – | – | – | – | – | – | ||
| 885012205052 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 22 nF | ±10% | 25 | -55 °C up to +125 °C | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | 0402 | – | – | – | – | – | – | ||
| 885012205054 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 47 nF | ±10% | 25 | -55 °C up to +125 °C | 3.5 | 10 GΩ | X7R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | 0402 | – | – | – | – | – | – | ||
| 885012205085R | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 100 nF | ±10% | 25 | -55 °C up to +125 °C | 10 | 5 GΩ | X7R Class II | 1 | 0.5 | 0.5 | 0.25 | 13" Tape & Reel | – | 0402 | – | – | – | – | – | – | ||
| 885012105006 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 6.3 V(DC) | 1 µF | ±20% | 6.3 | -55 °C up to +85 °C | 15 | 0.1 GΩ | X5R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | 0402 | – | – | – | – | – | – | ||
| 885012105008 | SPEC | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 6.3 V(DC) | 4.7 µF | ±20% | 6.3 | -55 °C up to +85 °C | 20 | 0.01 GΩ | X5R Class II | 1 | 0.5 | 0.5 | 0.25 | 7" Tape & Reel | – | 0402 | – | – | – | – | – | – | ||
 | 760308101219 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-WPCC Wireless Power Transfer Receiver Coil | – | – | – | -20 °C up to +105 °C | – | – | – | 15 | 15 | 0.6 | – | – | works with Qi Rx IC's | Ø 15 x 0.6 mm | 11.8 | 0.7 | 750 | 22 | 13 | 5 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012205044 | SPEC | |
| 885012205050 | SPEC | |
| 885012205052 | SPEC | |
| 885012205054 | SPEC | |
| 885012205085R | SPEC | |
| 885012105006 | SPEC | |
| 885012105008 | SPEC | |
| 760308101219 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | Compliance | Size | L (µH) | IR (A) | RDC max. (mΩ) | fres (MHz) | Q | P (W) | Samples |
|---|