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Maxim is introducing new advancements in IoT security and healthcare, leveraging the IoT-safe DS28E38 DeepCover® Secure Authenticator and the wearable MAX30001 medical product. As the Internet of Things continues to expand rapidly, it's expected that hundreds of billions of devices will be connected in the future, presenting both challenges and opportunities for industry players. Maxim has recently launched two new applications tailored for the IoT market—focusing on security and wearable medical solutions. These innovations are part of a broader strategy to address current market demands and explore future growth areas in China.
**IoT Security Certification Is Crucial**
As more devices connect to the network, the attack surface grows longer and more complex, making device security a top priority. According to Cybersecurity Ventures, global cybercrime damage could reach $6 trillion by 2021. Current security measures fall into two categories: software and hardware protection. While software is flexible, it is vulnerable to malware attacks. Hardware-based security, on the other hand, offers stronger protection due to its physical layer, but it can still face risks and comes with higher costs. Many engineers opt for software solutions due to time, cost, and workload constraints, which often leads to weaker security and repeated vulnerabilities.
**ChipDNAâ„¢ Technology**
Hardware protection involves embedding keys into a chip, where the device sends data to the chip, which then generates encrypted responses. This method is more secure than software, but it’s not immune to attacks. One promising approach is PUF (Physically Unclonable Function), which uses the unique physical properties of silicon chips to generate a one-of-a-kind identifier without the need for stored keys. Maxim’s ChipDNA™ technology builds on this concept, using the random electrical characteristics of ICs to generate a unique and repeatable root key for each device. This key is never stored, making it highly secure against traditional attacks.
During testing with NIST, it was confirmed that no two wafers produce the same results, ensuring that each device has a unique key. The ChipDNA technology protects keys through analog features of MOSFET semiconductor devices, generating a key only when needed and discarding it afterward, effectively preventing unauthorized access.
**DS28E38 DeepCover® Secure Authenticator**
The DS28E38 DeepCover® Secure Authenticator is the first device to implement ChipDNA™ technology with single-contact 1-Wire operation. It eliminates the need for device-level firmware development, simplifies key management, and includes powerful encryption tools such as an asymmetric ECC-P256 engine, a true random number generator, and secure EEPROM. With a PUF key error rate of just 5 ppb, the DS28E38 is resistant to physical attacks that attempt to alter sensitive electrical characteristics. As Don Loomis from Maxim explains, "You can’t steal a key that doesn’t exist."
**Breakthroughs in the Medical Market**
The medical sector is one of the most significant markets for IoT applications, with a current value of $9 trillion, representing about 10% of global GDP. Modern continuous monitoring technologies are shifting consumer behavior from passive to active health management. Real-time health tracking is becoming essential, driving demand for remote monitoring solutions. According to Berg Insight, the remote monitoring market is expected to grow at a compound annual rate of 48% between 2016 and 2021, reaching $50 million by 2021. This shift has increased the need for high-precision, compact, low-power wearable devices.
Wearable medical devices must meet four key requirements: small size, low power consumption, high precision, and clinical performance. While many devices offer basic health monitoring, few meet medical-grade standards. Maxim is focusing on biopotentials, bioelectrical resistance, optics, and temperature to support customers with algorithms and reference designs.
**Medical Solutions That Meet Clinical ECG Standards**
The MAX30001 supports fitness, health, and medical applications by measuring ECG and BioZ for heart rate, breathing, and arrhythmia. Compared to similar solutions, it consumes half the power and is nearly half the size. It also meets the clinical ECG standard IEC60601-2-47. The MAX86140 and MAX86141 measure PPG signals for heart rate and pulse oximetry, offering improved accuracy and reduced power consumption.
According to Sudhir Mulpuru, Maxim leverages optical sensor advantages to reduce interference in low-light environments. By using four points on a bracelet for biometric detection, the system ensures reliable data even with minimal contact. This design improves signal quality and accuracy compared to traditional two-LED systems.
**Domestic Market Strategy**
Li Wei, Vice President of Sales for Maxim Greater China and South Asia Pacific, outlined the company’s focus in the Chinese market:
1. **Automotive and Industrial**: Including electric vehicles, car vision systems, and automation control.
2. **Communication and Big Data**: Reducing power consumption in high-power applications like servers.
3. **Mobile Phones and Consumer Products**: Enhancing user experience through advanced solutions.
4. **Small and Medium-Sized Customers**: Providing specialized tools and development kits to support these users.
Maxim’s core products continue to focus on power efficiency, but future strategies will expand into the four key areas identified above, ensuring continued innovation and growth in the IoT and healthcare sectors.