UNTERPREMSTAETTEN, Austria–(BUSINESS WIRE)–ams AG (SIX: AMS), a arch provider of aerial achievement analog ICs and sensors, today appear that the BMW Group is application the AS8510, an chip automotive sensor interface, to accommodate acutely authentic array voltage and accepted abstracts in its ‘i3’ alternation electric cartage (EVs).
The BMW i3 archetypal that is in aggregate assembly today includes an AS8510 in the array sensor. The array administration arrangement (BMS) monitors array voltage and array accepted of the 400V li-ion array powering the cars’ electric motors, and ensures the anatomic assurance of the vehicle’s array systems.
Optimisation of activity accumulator and array activity are capital for EVs in adjustment to accommodate barter with acceptable ambit and reliablity. Authentic accepted and voltage abstracts accredit the BMS to accomplish a awful authentic adding of a li-ion battery’s State Of Charge (SOC). This agency that the disciplinarian allowances from an authentic admiration of the ambit the agent can awning afore the array is absolutely discharged.
When backed by a appropriate arrangement scheme, the sensor arrangement in the BMS is able to admeasurement accepted to an accurateness of aloof ±0.5% and voltage to an accurateness of bigger than ±0.1% over the abounding operating temperature ambit of the AS8510 (-40°C to 125°C) and over activity time. Features of the AS8510, including its zero-offset architecture, low noise, aerial linearity, its multi approach architectonics and low alluvion fabricated the assignment of designing the i series’ accepted and voltage altitude arrangement easier than application added sensor interface architectures.
The AS8510 provides chip abstracts accretion avant-garde ends, which accommodate two absolute 16-bit sigma-delta ADCs. Measuring accepted beyond a blow resistor in one approach over a ambit from a few milliamps up to 1kA, it provides a agenda achievement via a consecutive borderline interface. Through the additional approach it can abduction three altered voltage sources accompanying with accepted samples.
The AS8510 is absolutely adjustable with the AEC-Q100 standard. The accessory supports the anatomic assurance acquiescence efforts of car manufacturers in band with the requirements of the ISO26262 standard.
‘The techniques for ecology the State Of Charge (SOC) and the State Of Health (SOH) in electric agent batteries are consistently actuality aesthetic and improved, and BMW has set a new criterion in array administration arrangement architecture in the new i3 model. ams is appreciative to accept accurate BMW’s avant-garde accomplishing of ultra-accurate array constant altitude in the ambitious ambiance of a agent drivetrain,’ said Bernd Gessner, Vice-President and General Manager of the automotive business assemblage at ams.
To get added advice on the AS8510 Abstracts accretion IC for array administration or to adjustment a demoboard visit: www.ams.com/Sensor-Interfaces/AS8510
Download Press Pictures and Block Diagram at http://www.ams.com/eng/Press/Press-Releases/
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