#puts out

[imlaew-blog]

TI puts out the electric quantity of systematic side and monitors and counts IC

How long does the life time of my battery have? Instrument of Dezhou (TI) Have been put out and adopt the ImpedanceTrack&-#; 8482 to smart phone and other handheld devices; The electric quantity of technical systematic side monitors and counts IC, thus has answered this question better. 2.5 millimetres x4 millimetre monitors and counts and calculates the rate of accuracy of service life of the battery and is up to 99%, thus contribute to lengthening run time, protect the data and and bring more outstanding use for moving handheld device users to experience. Bq27500 systematic side battery electric quantity monitors and counts ImpedanceTrack technology which adopts TI application for patent, this technology can measure the data stemming from the apparatus monosomatous lithium battery accurately, in order to lay in various conditions ' Even the battery wears out) Estimate out the electric quantity of surplus battery. This microminiature IC can pass comparative battery voltage, battery impedance or resistance, and current integration, accurate analysis charging state, raise or reduce the surplus charging state according to the discharge curve calculated. Most handheld devices can't monitor the electric quantity of surplus battery accurately at present, can only measure the battery voltage briefly, so as to guess the electric quantity. Some handheld devices use the traditional monitoring technology, this not merely needs to compensate according to the discharge rate, temperature and aging intensity of the battery through the unreliable static modeling technique, must can't metric electric current go on modeling to the intersection of self-discharge and speed and other also. Because these models have a error, and it is very difficult to minimize, so final user too very difficult to understand what run time does it leave still really with aging battery accurately. Calculate the soakage Bq27500 can direct measurement battery discharge rate, temperature, it is aging intensity and influence of factors other, calculate the life time of the surplus battery accurately, the error does not exceed 1%. Through measuring and storing the real-time battery impedance value, this IC can wear out and regulate the total electric quantity with the battery automatically. Charging state and total electric quantity can be calculated according to voltage and impedance measuring result, do not need to get through the cycle of charging and discharging again. The intellectual power is optimized As function that the handheld system offers being more and more, people need to monitor the electric quantity of battery accurately day by day, so that intelligent management can use the power, remind the surplus operation time of system user, lengthen systematic run time as much as possible. OMAP3410 processor of TI is adopted the SmartReflex&-#; 8482; Power and characteristic technology, this kind of application processor optimizes the intact movement power operating system of the system by accurate battery data. For example, this system can give full play to many kinds of function advantages, such as low power consumption mode, clock gate, clock reduce expenditure (clockthrottling) And dynamic voltage and frequency based on electric quantity of battery are zoomed etc.. Bq27500 offers the accurate electric accumulating warning function (reserveenergywarning) ,In this way when the battery discharges to finish, the system can keep the data in the nonvolatile memory, thus has avoided the working losses that causes because the electric quantity of battery is exhausted. Systematic side embodiment Bq27500 can be used on the circuit board of the host computer system, and support the embedded or detachable battery. The systematic side embodiment makes handheld device manufacturers not need to add the extra electronic element for the battery of the terminal installation again, thus has lowered costs. Because the volume of the battery is smaller and smaller, the integrated electronic component is a greater challenge on the battery. The systematic side embodiment of bq27500 can control and manage other main battery supervisory functions, for instance the battery is authorized.

[imlaew-blog]

Fit China and put out first optics in the industry to receive and dispatch the module products high

Avago Technologies (fit China's Hi-Tech) Announce recently, introduce the first of industry and receive and dispatch the module products for optics that the market of Wireless Base Station of broadband designs specially, Avago to offer analog interface spare part to lead the manufacturer for communication, industry, application such as being consumption. Especially face and support to receive and dispatch the platform (BTS, Base Transceiver Station) in base station Technical grade operating temperature range of the market and opening standard design, new AFBR-57J5APZ of Avago is that the first in the industry is put out the members whose optics receives and dispatches module serial products it by infrastructure network equipment of wireless communication of new generation specially First.

Allocating can reach 3.072 Gb/s (OBSAI/CPRI standard) on the multimode optical fiber High speed last ability,can work at - 40o to industry temperature range of +85oC AFBR-57J5APZ, the distance can reach 500 meters when wiring through the optic fibre of OM3 grade. The new product line that Avago designs in order to receive and dispatch the market of Taiwan in base station specially will include multimode and monomode optics and receive and dispatch the module products, wired in the distance on the market of Wireless Base Station that can reach 80 kilometers and received and dispatched the module products to estimate and put out at the end of 2007 with the monomode.

The new serial fiber optics telecommunication of Avago receive and dispatch the new developing open base station framework that the module mainly faces the wireless base station system of new generation (OBSAI, Open Base Station Architecture Initiative) And the interface of common public radio frequency (CPRI, Common Public Radio Interface) Standard design, " when W-CDMA, GSM, EDGE and WiMAX,etc. employ and integrate a large number of data contents gradually, the output characteristic of the base station must follow to promote too. " Avago Technologies (fit China's Hi-Tech) Optical products Division's marketing director Dave D' Andrea points out the optic fibre, "OBSAI and CPRI standard solved the demand for the wireless base station system of better characteristic of the high cost-effective, the new product line of Avago can be offered to designer's preferably cable bond solution of the system. "

In the Wireless Base Station is employed, the optic fibre has several advantages more compared with the traditional copper cable, compared with copper cable solution, can support optic fibre it is long wire from and data transmission rates getting more high, the cost of construction is lower too at the same time, in the data transmission rate of the great, the greater copper cable will bring the construction of base station, maintains and the difficulty of the staging, but the optic fibre light and handy in weight will not have these questions. Meanwhile, adopt the optic fibre to design and bring firmer and cost-effective more high solution, reason optic fibre low power dissipation, will send out radio frequency noise, have to the intersection of data security and equivalent to completeness important ability to resist EMI also at the same time, and offered in the lightning the upper voltage of the all right protective network isolate abilitied.

Stock situation

The multimode AFBR-57J5APZ Wireless Base Station of Avago can already distribute the network to supply with the whole world to receive and dispatch the module through the channel of selling in directness of Avago at present, AFCT-57J5APZ (7km, SM, OBSAI/CPRI, 3.1G) And AFCT-57J5ATPZ (20km, SM, OBSAI/CPRI, 3.1G) Plan, begin, supply in will it be October 2007, wire from ultra long AFCT057xxxxxZ (40km/80km, SM, OBSAI/CPRI, 2.47G) Expected to put out at the end of 2007.

[imlaew-blog]

Microchip puts out 1 Mb serial EEPROM

One-chip computer and semi-conductive supplier of simulation - -Microchip Technology Inc. (the little core scientific & technical corporation of U.S.A.) Claim to introduce the industry fastest ( 20 MHz) 1 Mb serial EEPROM device 25AA1024 and 25LC1024( 25XX1024) . Meanwhile, the company also put out 25AA128, 25LC128, 25AA512 and 25LC512 (25XX128/512) Wait for the serial EEPROM device of varied 128 Kb and 512 Kb, contain whole serially and have the interface (SPI) outside Store the density range ' From 1 Kb to 1 Mb) .

All new devices can work at a temperature of up to 125 degrees of C, and can offer Microchip all serial EEPROM products always good-fame remarkable functions and characteristics, including over the wiping / writing the number of times, and 200 -year long data maintainability of 1 million times.

Latest 10 MHz 25XX128/512 device and 20 MHz 25XX1024 EEPROM device can offer reading and writing the function of byte grade, has not already needed external memory storage, do not need to erase the sector before the load either. So can accelerate the programming speed, reduce the programming voltage, reduce the number of elements and simplify system operation. In addition, no matter under work or alert status, the electric current of every section of new serial EEPROM is lower, thus has reduced the power consumption greatly. These devices have adopted Microchip unique latest electrical erasable unit (PEEC) PMOS The technology, make the device work under 1.8 to 5.5V the whole voltage range, and it is able to bear wiping and writing the characteristic it is good-fame and outstanding to possess Microchip ng.

The executive vice president Randy Drwinga of product division of Microchip memorizer shows: "What the customer craves for can be to the voltage of serial flashing memory, temperature and sector are operated to adopt the really useful high density SPI EEPROM device in the application that restrains from strictly. It is being required that our intact SPI product line can satisfy the customer. The customer can continue adopting the products of Microchip, enjoying its superior serviceability and data hold function to the limit, and we improve the thoughtful service and reliable products on time to hand over. "

Peculiar characteristic of the device

25XX512 and 25XX1024 are the industry first 512 Kb and 1 Mb SPI serial EEPROM device that is for introducing at 125 degrees of C operating temperature. In addition, the two have " deep power saving modes " Order, can reduce, await the opportune moment electric current is can in the intersection of EEPROM and the intersection of device and in non-use state the intersection of season and the intersection of province and power consumption further. Application as to still taking some flashing memory orders, 25XX1024 and 25XX512 device can offer sector erasing, chip to erase and read and discern (ID) in four sectors of each chip Function. In other words, the above-mentioned products can respond to serial EEPROM and flashing memory order at the same time, thus become the most flexible device in the like product.

Can work under more extensive temperature range because of 25XX128/512/1024 serial EEPROM device, and the power consumption is lower, very suitable for high, low-voltage and high-temperature application, for example consume the electron (the mobile telephone mic) , medical ' Acouophone) And car application.

Develop and support

All can be used in 25XX128/512 and 25XX1024 serial EEPROM device to support the developing instrument of Microchip memorizer products. SEEVAL&reg among them; 32 serial kit, artificer of EEPROM, ' The part numbers DV243002) Help users to develop the application of reliable longeval serial EEPROM easily fast, reduce system integration and software and hardware notably and debug required time.

• Total Endurance&-#; 8482 of Microchip; Software model • SEEVAL 32 develops board and user interface software • Serial wire and power • The serial EEPROM sample wafer is chartered • SEEVAL 32 fast elementary guide

Total Endurance software is a simple and convenient high-performance tool apt to use, can use simulation and design serial EEPROM application. Adopting this software, the designer does not need to guess that can confirm the life-span of serial EEPROM device in the embedded design. Even design trade-off analysis of several weeks in time consuming several days, so long as can finish for a few minutes now in the past, and achievable due precision, the design guaranteeing to be developed is really lasting and durable.

Stock situation

25XX128 device has 8 pins PDIP, TSSOP, SOIC, SOIJ, 5 x 6 mm DFN and rotary SOIC that are capsulated. 25XX512 serial EEPROM device has 8 pins PDIP, SOIC, SOIJ and 5 x 6 mm DFN that are capsulated, 25XX1024 serial EEPROM has 8 pins PDIP, SOIJ and 5 x 6 mm DFN that are capsulated.

[haleling-blog]

Lien Elec Company introduces the rated current of the adapter and is up to 10A

The Model LE-0207B AC/DC adapter that Lien Electronics Company introduces is suitable for the low power consumption liquid crystal televisions, monitors and porable equipments under the alert status. Its synchronous rectifier can raise products efficiency, the products accord with RoHS requirement.

The specified input voltage of the Model LE-0207B AC/DC adapter is among 90Vac to 265Vac, input current 2.5A, output voltage from 12Vdc to 48Vdc, the output current is from 3A to 10A, the ripple / noise is 0.25V. And have year and short circuit protection, the unit price, for 30 U.S. dollars (only for reference) .