Maxim IoT New Trends Launches IoT Security Certification and MAX30001 Medical Products

Maxim's new dynamism for IoT security and healthcare is based on the IoT-safe DS28E38 DeepCover® Secure Authenticator and the Wearable MAX30001 medical product.

The development of the Internet of Things is in full swing. It is expected that hundreds of billions of devices will be connected to the network in the future, which will be unmatched by the current Internet connection. Such a huge demand also brings many challenges and opportunities to various manufacturers and players in the industry chain, and the major manufacturers are planning in all directions of the Internet of Things. Recently, Maxim has released two new applications for the Internet of Things market in the security field and the wearable medical field, and analyzed the current market development status and Maxim's future development areas and directions in China.

IoT security certification is very important

With more and more devices accessing the network, the access network has become longer and longer, and the security of networked devices has become increasingly prominent. According to statistics from Cybersecurity Ventures, the damage caused by global cybercrime will reach $6 trillion by 2021.

The current security protection is mainly divided into two categories: software protection and hardware protection. Among them, software protection is easy to change, malware can penetrate or enter the software system, and the protection ability is relatively weak. Since the physical layer of hardware protection is difficult to modify, the security IC with the root of trust will not be changed, so the relative protection is stronger, but there are still certain risks and the cost is relatively high. Due to the heavy design tasks of engineers, after comprehensive consideration of time, cost and workload, many security protection tasks are still handed over to software protection with weak protection. This is also an important reason why security issues have been repeatedly broken.

ChipDNATM technology

The so-called hardware protection is to put the key into one chip, and the device sends data to the chip. The chip uses the key to generate ciphertext and returns it to the device. The device determines the legality of the ciphertext and decides whether to continue running the program. Security is stronger than software protection, but there are also potential attacks. Some systems that use secure IC protection may be subject to advanced advanced wafer-level direct attack techniques that often acquire keys and security from the IC. Data, where the key is the weakness of its attack.

One of the first concepts to be mentioned here is PUF (Physically Unclonable FuncTIon), which uses the unique physical properties of silicon and the variability of IC manufacturing processes to identify individual silicon chips and determine their authenticity. No need to use a key or a storage key.

In the chip production process, no two ICs are the same. Don Loomis, vice president of microprocessor and security products at Maxim, said that Maxim also conducted a test through NIST (National Institute of Standards and Technology) to test the differences and differences between the two wafers, and finally found any two The wafers are all different. If the hardware protection is implemented by PUF technology, it is impossible for any two wafers to generate the same number, that is, the key of each wafer is unique, and there is no relationship between the two keys. Any relevance.

ChipDNATM technology is Maxim's hardware security technology for IoT devices based on PUF technology. It uses the random electrical characteristics of the IC device to acquire the PUF, generates a unique and repeatable root key for each IC, and provides ultra-high reliability of NIST-level encryption. The root code based on ChipDNA does not exist in memory or any other static space. Maxim's PUF circuit relies on the analog features of the underlying MOSFET semiconductor device to protect the key, while the analog features of the device are naturally generated randomly. Each device circuit will generate a unique key when needed and will disappear as soon as it is used up. This effectively avoids attacks against hardware protection keys.

DS28E38 DeepCover® Secure Authenticator

The DS28E38DeepCover® Secure Authenticator is the first device to use Maxim's ChipDNA technology with single-contact 1-Wire operation, no device-level firmware development, simplified key management, and free host system software tools. Protected encryption tools include asymmetric (ECC-P256) hardware engine, true random number generator (TRNG), authentication-only decrement counter, 2Kb secure electrically erasable programmable read only memory (EEPROM), unique 64-bit ROM identification code. The PUF key error rate (KER) is only 5 ppb over time, temperature and voltage range. The DS28E38 suffers from intrusive physical attacks that cause changes in the sensitive electrical characteristics of the circuit, further preventing disruptive behavior.

According to Don Loomis, we don't have to spend too much effort, resources or time on hardware-based pre-system protection. With the DS28E38 ChipDNA technology, designers can easily protect their designs with the highest level of protection. In short, you can't steal keys that don't exist.

The Internet of Things brings breakthroughs in the medical market

As far as IoT applications are concerned, the medical market is bound to be one of the most important markets. Today, its market has reached 9 trillion US dollars, accounting for up to 10% of GDP.

Modern medical continuous monitoring technology is transforming consumers' thinking patterns from passive monitoring to active monitoring. With the change of consumer attitudes, the annual medical examination has been unable to meet our understanding of personal health data. Now we expect to monitor our health in real time. At the same time, with the increasing popularity of continuous monitoring and preventive health care, the need for remote monitoring continues to grow. According to the data from the Berg Insight survey, it is estimated that the remote monitoring market will grow at a compound annual growth rate of 48% from 2016 to 2021 and will reach 50 million US dollars by 2021. These changes have driven the demand for high-precision, small-size, low-power wearable devices. growth of.

The basic requirements of wearable devices mainly include four aspects, namely small size, low power consumption, high precision and clinical performance. The first three are for the overall requirements of wearable devices, and are the basic requirements for accurate and continuous data monitoring; and the clinical performance (medical level) is for the specific requirements of medical applications.

Many wearable solutions on the market today involve healthcare and data monitoring capabilities, but most do not meet medical-grade clinical performance requirements. This is also the key point for the current breakthrough in the development of wearable medical devices. Sudhir Mulpuru, senior business manager of Maxim's Industrial and Healthcare Division, said that wearable devices with clinical performance are also one of our main developments in the medical field in the future. Maxim now focuses on biopotentials, bioelectrical resistance, optics and temperature. Provide support for customers in providing algorithms and reference solutions.

Maxim's medical product solutions that meet clinical ECG standards

The MAX30001 supports fitness, health, and medical applications. It measures chest and wrist ECG and BioZ for heart rate, breathing, and arrhythmia. Compared to similar solutions, the MAX30001 consumes approximately half the power and is almost half the size. By collecting every beat data from the heart, these programs are able to collect high-precision data, enabling users to identify important symptoms from the start. In addition, the MAX30001 meets the requirements of the clinical ECG standard IEC60601-2-47.

The MAX86140 and MAX86141 can be used to measure PPG signals on the wrists, fingers, and ears to detect heart rate, heart rate abnormalities, and pulse oximetry. Compared to similar solutions, the MAX86140 and MAX86141 consume half the power and are approximately one-third smaller.

According to Mr. Sudhir Mulpuru, Maxim uses its advantages in optical sensors to solve the problem of low-light environmental interference by using the advantages of optical sensors in the sports scene, setting 4 points on the bracelet for biometric identification and detection. Coordination of 4 points, as long as one point can be in good contact with the skin, it can feedback better physical data. Compared with the traditional two LEDs with a PND (Portable NavigaTIon Devices) system, it is easy to be affected by ambient light, which makes it impossible to transmit effective signals. Maxim utilizes the processing of ambient light and the redundancy of multiple channels. The design can improve the quality of the signal, thus improving the accuracy of loose wearing.

Domestic market layout

Li Wei, vice president of sales for Maxim Greater China and South Asia Pacific, said that Maxim's current market in China mainly includes four aspects:

1) Automotive and industrial aspects. Including electric vehicles, panoramic views of cars, photography and monitoring, of which car control and automation control is our focus;

2) Communication and big data. Maxim's power and power supplies make it possible to reduce power consumption in Maxim's designs in high-power applications like servers.

3) Mobile phones and consumer products. Maxim's products give a great user experience.

4) Small and medium-sized customer base. There are a lot of customers in the small and medium-sized customer base, and his business will not be very big. Maxim will provide special tools and development kits for small and medium-sized customers.

Maxim's core products are still in terms of power supply, power consumption, etc., but in the future, for the market development, product layout and planning will be developed in the above four aspects.

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