As the world’s leading supplier for wireless power solutions, ST wireless battery charger ICs cover all major standards and technologies across a complete portfolio of transmitter and receiver chipsets.
Our advanced wireless battery charging solutions currently feature in many mid- to high-power applications, including a wide variety of market solutions like fast charging smartphones, wearables, hearables, medical applications, and industrial tools.
Our solutions are optimized for different applications and are compliant with Wireless Power Consortium (WPC) Qi standards and other major wireless charging standards.
ST wireless power solutions enable high-power charging at improved speeds and contribute to better overall user experience, while critical safety features ensure the end-consumer remains protected.
Breakthrough innovations such as adaptive rectifier configuration (ARC) mode help our customers build great products with wireless power, while our proprietary ST Super Charge (STSC) protocol enables fast charging up to the maximum 100 W power-transfer rate.
Your competitive advantages with ST wireless charger ICs
- Market proven wireless power ICs implemented by the largest smartphone markers in the world
- Innovative solutions with industry-first features
- Fast time-to-market optimized by our unique wireless power software and development ecosystem.
- Highest wireless power IC performance from the inventor of BCD technology, which is used by chipmakers around the world
- Strong partnerships with the Wireless Power Consortium (WPC) and the largest wireless power coil makers
Applications
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Benefits:
Qi wireless charging- Qi standard compliance ensures a consistent, safe, and simple user experience with other Qi-certified products
- FOD provides detection accuracy and ensures the security of the charging operation to avoid overheating
- Proprietary adaptive rectifier configuration (ARC) mode enhances detection distance by up to 50% in all directions
- Extended power profile (EPP) speeds up charging time by up to three times
- Excellent efficiency performance with built-in power management capability
- Protection features such as on-chip thermal management, overvoltage, and overcurrent protection to prevent overheating
- Receivers can operate as a wireless transmitter without any change in hardware design
- Eliminating the charging socket can save space and allow sealing against water or dust and improve product life
- Simplifying implementation of wireless power transmitter systems through reduction of discrete components
- Inbuilt I²C, UART, SPI, and GPIO interfaces allow easy configuration of parameters
Characteristics
| Function mode | Output power (W)
| Package | Key features |
Receiver | 15W | WLCSP40 |
| |
Receiver | 70W | WLCSP90 |
| |
Receiver | 100W | WLCSP121 |
| |
Transmitter | 5W | WLCSP72 |
| |
Transmitter | 100W | VFQFPN68 |
|
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Qi Compliant Wireless Charging Solution boosts efficiency and reverse power transfer
ST’s proprietary high-voltage technology, paired with excellent mixed signal design and highest quality assurance, enables our customers to deliver cutting-edge wireless-charging products. The STWLC68 family of highly integrated devices needs a very low external BoM (Bill of Materials), ideal for integration in a wide range of applications from small wearables and appliances to larger ones like smartphones and tablets. Being WPC Qi 1.2.4 compliant, the STWLC68 is fully compatible with all Qi certified devices in the market