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Infineon introduces PSoC™ 4 HVPA-144K microcontroller for automotive battery management systems

With the introduction of the PSoC 4 High Voltage Precision Analog (HVPA)-144K microcontroller, Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) addresses the automotive battery management sector by integrating high-precision analog 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 percent. The device features two programmable gain amplifiers (PGAs) with automatic gain control, allowing fully autonomous control of the analog 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 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’s 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.

Availability

The PSoC 4 HVPA-144K is now available in a compact 32-QFN (6x6 mm²) package with up to 9 GPIOs. For an easy start of development, an evaluation board is also available. Further information can be found at www.infineon.com/psochvpa144k.

2024050102 / 01.05.2024 / Electronic-components / Infineon Technologies AG /

Infineon introduces PSoC™ 4 HVPA-144K microcontroller for automotive battery management systems

Infineon provides FOXESS with power semiconductors to improve efficiency and power density of energy storage applications

Infineon launches next-generation ZVS flyback converter chipset for advanced USB-C PD adapters and chargers
The growing popularity of USB-C power delivery (PD) charging increases the demand for compatible chargers. Users now seek powerful yet compact adapters.

Infineon Lighting Shoe: Infineon develops worldwide unique shoe prototype with adidas that listens to music and reacts to it with lighting effects

Infineon’s single-chip solution for NFC lock applications enables KISS to take self-storage to the next level with new smart lock solution

Infineon introduces new automotive 60 V and 120 V OptiMOS™ 5 in TOLx packages for 24 V-72 V supplied high power ECUs
The electrification of the transportation system is advancing continuously. In addition to passenger cars, 2- and 3-wheelers as well as light vehicles are increasingly being electrified. Therefore, the automotive market for Electronic Control Units (ECUs) powered by 24 V-72 V is expected to keep growing in the coming years.

Infineon presents highly integrated XENSIV™ 60 GHz radar sensor for consumer electronics, IoT applications, and healthcare devices

Engine management and pneumatic seat systems: Infineon launches two XENSIV™ barometric air pressure sensors

Infineon and SCHWEIZER extend cooperation in chip embedding to develop more efficient silicon carbide automotive solutions

Infineon introduces a new single-stage flyback controller for battery charging applications, enabling hassle-free and scalable designs
Battery-powered appliances, one of the industry’s fastest-growing segments, require energy-efficient, robust, and cost-effective battery charging. For this reason Infineon Technologies AG extends its offering of AC-DC controller ICs by introducing the ICC80QSG single-stage PWM controller for flyback topologies.

Infineon’s CoolSiC™ devices support bi-directional inverter from Delta to let electric vehicles become emergency backup power

Infineon and Oxford Ionics join forces to develop leading Trapped Ion Quantum Processors
Infineon Technologies AG and Oxford Ionics announce a collaboration to build high-performance and fully integrated quantum processing units (QPUs).

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