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Samsung's two new chips promise to deliver fast and secure 100W USB-C charging

The SE8A is in mass production, while the MM101 is still being sampled by clients.

Published onMay 28, 2019

Press render of the Samsung SE8A and MM101.

Today, Samsung announced two new USB-C power delivery (PD) controller chips for power adapters.

Called SE8A and MM101, the chips support the latest USB PD 3.0 specification and USB-C PD speeds of up to 100W (20V/5A). According to Samsung, the chips communicate with connected devices to see how much power the devices require. Connected devices then send their battery information to the chips, which then decide whether to use fast or regular charging based on that information.

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The SE8A and MM101 feature embedded Flash (eFlash), which enables firmware updates for both chips. The SE8A includes an embedded Secure Element Integrated Circuit, a first for PD controller chips. The embedded Secure Element allows for security measures that include “security key storage, and encoding and decoding of sensitive data within a device.”

Meanwhile, the MM101 supports the Advanced Encryption Standard (AES). The standard is used for product authentication and to ensure safe charging conditions by sensing moisture.

Interestingly, Samsung mentions that the SE8A and MM101 can be used in smartphones, tablets, laptops, and monitors. That means we could see either of the chips in the upcoming Galaxy Note 10, especially since the SE8A is already in mass production. The MM101 is currently being sampled by clients.

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