Lin Zhisheng, Director of ROHM Taiwanese Design Center, said that IoT devices are rapidly gaining popularity. Applications such as smart speakers and audio/video streaming have greatly increased, and the performance of the representative processors must also be improved. Therefore, it is like the i.MX 8M processor introduced by NXP. , It has up to 4 ARM Cortex-A53 core processors and Cortex-M4 core processors, flexible memory, high-speed transmission interface and other specifications. Also provides Full 4K Ultra HD high resolution and HDR VIDEO functions, etc. Respond to the problem of managing and reducing problems with smart linking devices.
However, this trend also made the processor more stringent in terms of PMIC requirements, and hoped that PMIC could be more efficient. Lin Zhisheng pointed out that in response to this trend, the design of PMIC also changed. The company has been NXP cooperates to provide PMICs for its i. MX 6, iMX.7 series products. However, when the PMIC used a single-core or dual-core design, it would be sufficient to handle the performance of the processors. However, it was handled by i.MX 8M. The relationship between increased performance, and its PMIC (such as BD71837MWV), will change to 4 core design, in order to have better power management efficiency.
It is reported that "BD71837MWV" is a PMIC developed using ROHM's long-term accumulated processor power supply technology to integrate the "i.MX 8M Family" required power rails (Power Rail) and functions. In addition to having 95% of the maximum power conversion In addition to an efficient DC-DC converter, the power and protection functions required by the system are also integrated in a single chip. Furthermore, because of its built-in i. MX 8M dedicated power switch sequence generator, in addition to achieving small size In addition, it also simplifies application design and significantly reduces development time.