Battery Management Systems and Power Distribution Units

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Battery Management Systems and Power Distribution Units

Today’s battery management systems (BMS) need reliable, fast monitoring of the battery current – and functional safety requirements encourage heterogeneous redundancy. Our current sensor IC’s help you achieve ASIL ratings with highly accurate measurement of the battery current. 

Designed with safety in mind, our market-leading current sensors offer 240kHz bandwidth and fast response time to give you very quick overcurrent detection to disconnect the battery contactors and short circuit detection to engage the pyro fuse. 

Battery Management Systems Application Diagram
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    Current Sensors

    ACS70311 – High Accuracy, Low Noise Corebased Current Sensor
    ACS37612 – Coreless Current Sensor 
    ACS37610 – Coreless Differential Current Sensor     
    ACS37601 – Highest Accuracy Programmable Linear Sensor
    CT455 – Contactless Current Sensor
    CT456 – Contactless Current Sensor
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    Current Sensors

    ACS70311 – High Accuracy, Low Noise Corebased Current Sensor
    ACS37612 – Coreless Current Sensor 
    ACS37610 – Coreless Differential Current Sensor     
    ACS37601 – Highest Accuracy Programmable Linear Sensor
    CT455 – Contactless Current Sensor
    CT456 – Contactless Current Sensor
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    DC/DC Regulator ICS & Multi-Output PMICs

    A81407 – Multi-Output PMIC with SPI
    ARG81800 – 1A Synchronous Rectified Buck DC/DC
    A8586 – 3.5A Synchronous Rectified Buck DC/DC 

     

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Featured Products

KT Package

ACS70310/ACS70311

240kHz, Highest Accuracy Programmable Linear Sensor with Reverse Battery Protection
8-Pin-TSSOP-LU-Package, used in the ACS37612 coreless differential current sensor IC

ACS37612

The ACS37612 is a standalone Hall-based coreless differential current sensor that measures currents from 200A to >1000A without requiring a magnetic concentrator core or a shield.
38-Pin eTSSOP LV Package for high-side gate drivers used in power management systems

A81407

Multi-Output Regulator with Buck or Buck-Boost Pre-Regulator, 4× LDO Outputs, Watchdog, 4× Gate Drivers, and SPI

Design & Resources

Brochure: Battery Management Systems
Brochure

Brochure: Battery Management Systems

Allegro is addressing battery management system challenges by offering comprehensive solutions that integrate highly accurate and ASIL-rated current and position sensors, high-power motor drivers, and power management ICs (PMICs) into a compact package.
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