On June 11, 2015, Datongda Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its product has launched the NXP Smart Audio audio chip, TFA9890/TFA9897. The IC delivers over 3.6 W RMS of power to micro-speakers (previously limited to 0.5 W), bringing higher volume, richer bass and better sound quality to mobile phones, portable music players and tablets, and not There is a risk of damage to the speakers. The TFA9890&TFA9897 integrates the intelligent CoolFlux DSP, which functions to safely and effectively protect the horn even when it is always in the near-peak output state. Figure 1 - TFA9890/TFA9897 photos of NXP's NXP With the rise of smart phones, its thinner, smarter, and more power-saving features have brought enormous challenges to the improvement of mobile phone sound quality. The Smart Audio audio solution from NXP Semiconductors, the company's agent, has brought about a real revolution. The revolutionary embedded algorithm in NXP's new audio system can increase the output power of micro-speakers by more than 5 times, which greatly improves the sound quality of mobile devices while effectively protecting the speakers. Figure 2 - Block diagram of NFA's TFA9890/TFA9897 solution for the company Advantages of TFA9890/TFA9897: • Embedded processor • Easy to integrate with I2C and I2S • Class D - amplifier • Integrated current check • Very Small SoluTIon Figure 3 - TFA TFA9890 hardware circuit block diagram of NXP's NXP Figure 4 - TFA9897 hardware circuit block diagram of NXP's large-scale agent Introduction to important features: NXP real-time monitoring speaker working status: • Speaker temperature • Film migration • Power amplifier cutting Real-time status usage: • Protect the speaker • Optimize audio features Class D - the role of amplifier: • Current check feedback system • CoolFlux Audio DSP Adaptive speaker mode: According to the acoustic environment adaptive mode, the following types are supported: • Closed sound chamber • Reflective sound chamber • Open speaker Because Smart PA is a chip that integrates DC/DC boost circuit, CLASS-D amplifier and smart speaker protection function, the connection of circuit diagram, chip peripheral device selection and PCB layout and wiring must meet the requirements to achieve better performance. Figure 5 - NXP's TFA9890/TFA9897 Development Kit Demo Board Figure 6 - TNA9890/TFA9897 success story of NXP's NXP About Dalian United Holdings: Datongda Holdings is the world's number one semiconductor component distributor with leading market share in the Asia Pacific region. Headquartered in Taipei (TSE:3702), it owns nearly 6,000 employees including Shiping, Pinjia, Zhiding and Youshang. People, more than 250 agent products suppliers, more than 120 distribution bases around the world (about 70 in the Asia-Pacific region), turnover in 2014 reached 14.9 billion US dollars (self-contained). (*Market rankings are published by Gartner) Dalian United Holdings holds an industry holding platform, continuously optimizes the front-end marketing and logistics support team, acts as a professional partner in the industrial supply chain, provides Demand CreaTIon, turnkey solutions (Turnkey SoluTIon), technical support, warehousing logistics and IC Value-added services such as e-commerce meet the needs of different customers such as original equipment manufacturers (OEMs), original design manufacturers (ODMs), electronic manufacturing service providers (EMS), and small and medium-sized enterprises. The scale of international operations and localized sales channels have long been deeply rooted in the Asia-Pacific market. It has been selected as the “Best IC Distributor in Asia†by professional media. In order to improve the quality of localization services of the United Nations General Assembly and meet the differentiated needs of customers in the service areas of Greater China, the six major areas of the United Nations (China) services include China-Based Manufacturers and Taiwan-Based Manufacturers. ), Foreign Manufacturing Service, Japan-Based Manufacturers, Korea-Based Manufacturers and Hong Kong-Based Manufacturers customers. In addition to providing customers with the best turnkey solution (Turnkey SoluTIon), and in order to meet the customer's small-volume device procurement needs, the company has set up a dedicated Small Quantity Service (SQS). The United Nations has established the United Nations General University of Commerce and Trade in the Mainland and Hong Kong, the United Nations General Trading (Shenzhen) and the United Nations Electronic (Hong Kong), with the "Industry's Choice. 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