by Koo Stacy

Article by hi joiney

(580, ‘Austria Micro Electronic Has introduced high precision data acquisition front end IC AS8510 to meet Car Battery current voltage and temperature measurement applications and the need for accurate measurement of small signal general sensor interface applications br br The flexible new sensor interface IC compared to other solutions have many advantages such as the first use of the offset and noise is less than 1LSB in 16 bit dual channel ADC PGA architecture AS8510 has a highly configurable the system can be adjusted to meet the various needs of the system to adapt to current and future application of various types of battery management Austriamicrosystems AS8510 for use with the quot system based Chip quot And a microcontroller can lower the price of 2 8 U S dollars to provide a complete high side or low side of the battery sensor Semiconductor Solution br br AS8510 data acquisition front end IC includes two separate 16 bit ADC analog input channels each channel has independent programmable sampling rate To deal with 160mV signal each channel has a low drift programmable gain amplifier PGA or bypass to address the 0V to 1V signal Therefore the battery from mA to kA current variation vest by 100 sense resistor to complete measurements AS8510 high linear structure and broad sample rate of electric vehicle EV application provides flexible support The imbalance of auto zero function the two channels are available to allow low resistance sense resistor as low as 100 to achieve high precision measurements the introduction of the loss is negligible Moreover AS8510 also includes a variety of operating modes such as low power standby mode the current monitoring function can be realized independently wake br br Austriamicrosystems automotive sensor interface and SBCASSP ManfredBrandl product manager said quot The battery powered devices and high speed electric vehicle market growth is more accurate and efficient Power supply Management of demand is increasing AS8510 offers designers a wide range of applications required for the precision and flexibility In addition AS8510 austriamicrosystems with a LIN IC and a low cost auxiliary microcontrollers for automotive applications can shorten time to market for the rapidly developing markets more competitive price and better performance quot br br AS8510 in 12V shunt sensor system used in conjunction with the current time can connect the battery ground terminal also use the special conversion IC with the power level is side connection the device also used for accurate measurement of small signal common sensor interfaces Fully differential input to AS8510 to capture potential 300mV above ground and below ground potential of 160mV common mode differential signal The dual channel architecture can be realized as quot quot frequency and other digital error correction techniques or the use of an external microcontroller to capture the bridge of follow up of current and voltage correction In addition AS8510 in standby mode consumes only 40 A Current br br AS8510 high precision data acquisition device can be configured as differential synchronous dual channel operation or multiplexed into two single ended channels plus a channel to achieve order differential measurement In addition to measuring current and voltage addition AS8510 can also be through an internal sensor or chip 250 A current source from the external power supply Temperature sensor Accurate temperature measurements AS8510 includes an internal high precision reference source integrated digital low pass Filter On chip precision oscillator and 4 wire SPI Interface br br AS8510 with SSOP20 package and operating voltage is 3 3V the working environment temperature of 40 to 125 C See more exciting br br Information quot gt ‘)

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