ROHM Develops Compact NFC Wireless Charging Chipset for Wearables

Published: 2026-04-28
Category: technology
Source: ROHM
Original source

ROHM has introduced a new wireless power supply IC chipset, the ML7670/ML7671, designed for ultra-compact wearable devices. Compatible with Near Field Communication (NFC) technology, this chipset offers a maximum power transfer of 250mW. Its small form factor aims to address the challenges of wirelessly charging very small devices like smart rings and bands.

Context

ROHM is a semiconductor company that focuses on innovative technologies for various applications, including consumer electronics. The introduction of the ML7670/ML7671 chipset aligns with the growing demand for smaller, more efficient power solutions in the wearable market. NFC technology has gained traction in recent years, primarily for mobile payments, but its application in wireless charging is still emerging.

Why it matters

The development of the ML7670/ML7671 chipset is significant as it enables efficient wireless charging for compact wearable devices, which are becoming increasingly popular. This technology could enhance user convenience by eliminating the need for physical charging connections. As wearables proliferate, advancements in their power supply solutions are essential for maintaining device performance and user satisfaction.

Implications

The introduction of this chipset could lead to a broader acceptance of wireless charging in wearables, potentially influencing design trends in the industry. Manufacturers may prioritize incorporating this technology to meet consumer expectations for convenience. As a result, consumers could see an increase in the variety of compact wearables that offer enhanced functionality without compromising on charging capabilities.

What to watch

In the near term, industry reactions to the ML7670/ML7671 chipset will be important to monitor, particularly from wearable manufacturers. Adoption rates of this technology in new product releases could indicate its impact on the market. Additionally, any partnerships or collaborations ROHM may pursue to integrate this chipset into existing devices will be noteworthy.

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