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    Home » Infineon Unveils PSoC 4 HVPA-144K MCU for Battery Management

    Infineon Unveils PSoC 4 HVPA-144K MCU for Battery Management

    AbdullahBy AbdullahMay 3, 2024 Battery 2 Mins Read
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    Infineon Unveils PSoC 4 HVPA-144K MCU for Battery Management (1)

    Infineon Unveils PSoC 4 HVPA-144K MCU for Auto-Battery ManagementWith the introduction of the PSoC 4 High Voltage Precision Analog (HVPA)-144K microcontroller, Infineon Technologies addresses the automotive battery management sector by integrating high-precision analogue and high-voltage subsystems on a single chip. It provides a fully integrated embedded system for monitoring and managing automotive 12 V lead-acid batteries, which is critical for the 12 V power supply of vehicles’ electrical systems. The new microcontroller is ISO26262 compliant, enabling compact and safe intelligent battery sensing and battery management in modern vehicles.

    The PSoC 4 HVPA-144K’s dual high-resolution sigma-delta ADCs, together with four digital filtering channels, enable accurate measurement of the battery’s state-of-charge (SoC) and state-of-health (SoH) by measuring key parameters such as voltage, current, and temperature with an accuracy of up to ±0.1 per cent. The device features two programmable gain amplifiers (PGAs) with automatic gain control, allowing fully autonomous control of the analogue front end without software intervention. The use of shunt-based current sensing for batteries provides a higher accuracy than conventional Hall sensors.

    An integrated 12 V LDO (42 V tolerant) allows the device to be supplied directly from the 12 V lead-acid battery without the need for an external power supply. An integrated transceiver allows direct communication with the LIN bus. The product meets the functional safety requirements of ASIL-C according to ISO26262.

    The Arm Cortex-M0+ MCU on which the PSoC 4 HVPA-144K by Infineon is based operates at up to 48 MHz with up to 128 KB of code flash, 8 KB of data flash and 8 KB of SRAM, all with ECC. The PSoC 4 HVPA-144K also includes digital peripherals such as four timers/counters/PWMs and a serial communication block that can be configured as an I2C/SPI/UART.

    The PSoC 4 HVPA-144K is supported by automotive-quality software. Infineon Automotive Peripheral Driver Library (AutoPDL) and Safety Library (SafeTlib) are developed according to the standard automotive software development process. They are both A-SPICE compliant, following the MISRA 2012 AMD1 and CERT C, and ISO26262 compliant.

    With the introduction of the PSoC 4 HVPA-144K, Infineon is laying the foundation to expand its PSoC microcontroller portfolio to include Li-ion battery management systems for EVs.

    The portfolio will soon include several products for monitoring and managing high voltage (400 V and above) and low voltage (12 V/48 V) batteries, further facilitating future EV adoption.

    battery EV EV adoption Infineon news
    Abdullah

    More article from Abdullah

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