Product overview
Description
The STWLC38 is a highly integrated wireless power receiver solution suitable for applications up to 15W. The chip has been designed to support Qi 1.3 specifications for inductive communication protocol, Base Power Profile and Extended Power Profile (BPP, 5W max, EPP 15W max).The STWLC38 shows excellent efficiency performance thanks to the integrated low-loss synchronous rectifier and the low drop-out linear regulator: both elements are dynamically managed by the digital core to minimize the overall power dissipation over a wide range of output load conditions.
STWLC38 features embedded RRAM (Resistive RAM) non-volatile memory to enable I2C interface customization and support of proprietary communication and charging protocols
Additional firmware patching also improves the application flexibility of STWLC38.
STWLC38 is also capable of operating in Tx mode to transmit power to charge other devices, the output power can be up to 5W depending on the coil used.
The STWLC38 is housed in a Chip-Scale Package to fit real-estate sensitive applications like wearable devices.
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All 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
- Up to 1Mhz 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)
Featured Videos
ST Qi 1.3 compatible wireless charging ICs demo
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STWLC38
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| STWLC38JRM | Active | WLCSP40 2.126X3.327X0.546 0.4P 0 | Industrial | N/A | |
STWLC38JRM
Package:
WLCSP40 2.126X3.327X0.546 0.4P 0Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Grade | Country of Origin | Output Power (W) (typ) | Budgetary Price (US$)*/Qty | Unit Price (US$) | Country of Origin | Output Power (W) (typ) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | ||||||||||||||||
| STWLC38JRM | No availability of distributors reported, please contact our sales office | Active | EAR99 | NEC | Tape and Reel | WLCSP40 2.126X3.327X0.546 0.4P 0 | -40 | 85 | Industrial | SOUTH KOREA | 15 | | 2.175 | SOUTH KOREA | 15 | ||
STWLC38JRM Active
Buy Direct at ST (*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors