In the current global environmental awareness, the protection and reuse of resources is imperative. ADI leverages this principle in developing products for hybrid electric vehicles (HEVs). With years of experience in the development of precision instrumentation systems and IC supply. Analog Devices has developed a portfolio that is well suited for HEV systems. Measuring HEV high-voltage battery packs presents new challenges, and to meet these new demands, Analog Devices has developed innovative solutions. At the same time, patents in the development of these new technologies are being approved. This article refers to the address: http:// solution: In today's HEV systems, one of the two main areas of interest to ADI is transmission, which must be synchronized between the internal combustion engine (ICE) and the electric drive motor. A robust winding resolver monitors the rotational position and provides input to a high resolution resolver digitizer (RDC). These functions must be accurately implemented in the presence of many sources of error and under harsh physical conditions. With years of experience in designing and testing RDCs for assembly line welding robots or for flap control in the aerospace industry, Analog Devices has introduced the new RDC AD2S1205 optimized for the HEV market. In HEV, another major area of ​​interest for ADI is the monitoring of multiple lithium batteries. As planned, lithium batteries that replace nickel-hydrogen batteries in automotive battery packs will begin mass production in 2009. OEMs and Tier 1 suppliers promise to manufacture such battery packs as safely as possible. Measurement systems must be highly reliable and accurate over the life of the vehicle while minimizing costs. Another challenge is that these systems need to operate in a 300 V voltage environment. ADI leverages innovative solutions to address these challenges and has introduced several new integrated monitoring products, which are described on the following pages. Industry's first digital isolator certified for automotive systems In order to protect low voltage electronic systems, high voltage battery packs used in hybrid vehicles require galvanic isolation. The isolation technology used in this application is very important to ensure that the performance is stable throughout the life of the vehicle, while also adapting to the harsh changes in the working environment caused by seasonal changes. In addition, this isolation technology should also have low cost characteristics and guarantee full performance performance within the automotive temperature range. solution: ADI's iCoupler® digital isolators are available in standard CMOS processes and are not sensitive to temperature changes. The newly released series of devices (please refer to the table on the next page) have been certified to the AEC-Q100 standard and operate at temperatures up to 125 ° C and use the same materials as existing products. To date, more than 150 million isolated channels have been adopted by Analog Devices' iCoupler® family of products, with dual, triple and quad digital isolators with data rates up to 25 Mbps and transmission delays as low as 32 ns. The iCoupler® digital isolators are extremely low power and are ideal for energy efficient vehicles. All products are available in a small 8-lead SOIC_W surface mount package or a 16-lead SOIC_W package and are UL, CSA and VDE safe certified with isolation levels up to 2.5 kV rms (root mean square) and operating voltages up to 400 V rms ( Root mean square). iCoupler product features for automotive applications Certified by AEC-Q100 standard, digital isolation temperature up to 125 ° C Data rates up to 25 Mbps Transmission delay as low as 32 ns Dual, Triple and Quad versions are available in 8-lead SOIC_W or 16-lead SOIC_W packages
Wireless Gaming Keyboard is a keyboard disk with no direct physical connection to the computer, through infrared or radio waves to send input information to a special receiver. Bluetooth devices, to be precise. The so-called Bluetooth technology, in fact, is a short-range radio technology, the use of "Bluetooth" technology, can effectively simplify the communication between mobile communication terminal devices such as palm computers, laptops and mobile phones.The so-called Bluetooth technology, in fact, is a short-range radio technology, the use of "Bluetooth" technology, can effectively simplify the communication between handheld computers, laptops, mobile phones and other mobile communication terminal devices, also can successfully simplify the above devices and the Internet communication between the Internet, Thus, the data transmission between these modern communication devices and the Internet becomes more rapid and efficient, which broadens the way for wireless communication. Bluetooth supports point-to-point and point-to-multipoint communication using a decentralized network structure, fast frequency hopping and short packet technology, and works in the 2.4ghz ISM (industrial, scientific, and medical) band used worldwide. Its data rate is 1Mbps. Time division duplex transmission scheme is used to realize full duplex transmission.
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Now there is the latest technology 2.4G wireless keyboard and Wireless Gaming Mouse, what is 2.4G, it is actually a wireless transmission technology, 2.4G is on behalf of a data transmission rate, now on the market 2.4G wireless keyboard and mouse is a USB receiver, mini, general plugged in the computer, can be used directly.Bluetooth devices of any brand can be charged in up to three hours. You can usually power off by seeing the indicator on the keyboard change color or turn off. Charging a product for a long time can cause serious damage to it. If you're not using a wireless keyboard for a long time, it's best to charge your device once a month or so. In case its built-in battery goes dormant and cannot be recharged.
