Santa Clara, CA and Kyoto, Japan, Dec. 09, 2021 (GLOBE NEWSWIRE) — ROHM Semiconductor Group firm LAPIS Technology right now introduced they’ve developed a chipset able to offering up to 1W of wi-fi energy for compact, streamlined wearable gadgets and for industrial good, miniaturized, and sealed options. The ML7661 (transmitter) and ML7660 (receiver) remove the necessity for an exterior MCU by incorporating a management circuit required for transmission/reception, ensuing within the trade’s smallest system measurement within the 1W class. This makes it ultimate for wearables with a big battery capability designed to be worn for lengthy durations of time. Typical merchandise embrace wristband blood strain screens, health trackers, good watches, and listening to aids, for instance. Moreover, the adoption of the excessive 13.56MHz frequency band permits the assist for Near Field Communication (NFC).
Providing wi-fi energy and communication in a single chipset contributes to improved design flexibility in gadgets with rotating mechanisms that might usually be restricted by wired designs – comparable to industrial gear, PC cooling followers, and e-bike torque sensors.
In latest years, there was a rising want to enhance the security of compact electronics (particularly small medical gadgets) in opposition to electrical shock. A wi-fi energy provide eliminates the necessity for an influence twine, considerably bettering security throughout charging or sweating by growing the waterproof, dustproof, and (electrical) shockproof efficiency of sealed housings. However, though the Qi normal is extensively used and may provide up to 15W, the system measurement which incorporates the chipset and antenna can also be sometimes massive, making it troublesome to incorporate into wearable gadgets.
In response, ROHM Group firm LAPIS Technology beforehand developed the ML763x chipset that makes use of the 13.56MHz frequency band to ship 200mW of energy and allow communication wirelessly. While this gadget was well-received by the market, there have been requires elevated energy to assist wearables with massive battery capacities comparable to wristband blood strain screens, good watches, and listening to aids. ROHM’s newest chipset meets this want by offering an influence capability up to 1W in a compact type issue, increasing the appliance vary.
Development Support
An analysis package is offered that makes it straightforward to instantly start analysis of this new 13.56MHz wi-fi energy provide chipset. ROHM helps the configuration of charging techniques that meet numerous buyer necessities. For instance, instruments for particular person consumer settings from a PC, together with paperwork associated to antenna design and adjustment, can be found. For extra data, go to https://www.lapis-tech.com/en/semicon/wpt/landing/ml7660_61.html
Applications
- Medical wearable gadgets up to Class 2: Hearing aids, wristband blood strain screens
- Wearables: Smart glasses/watches
- Rotating gear: Cooling followers, e-bike torque sensors
Availability
Samples accessible now; mass manufacturing April 2022
- New 13.56MHz Wireless Power Supply Chipset from ROHM Group Company LAPIS Technology
- Product Specifications