Infineon PSoC 4 HVPA-144K microcontroller for automotive battery management systems
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Infineon
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Infineon Technologies AG is a German semiconductor manufacturer founded in April 1999, headquartered in Neubiberg, Germany. The company specializes in the production of a wide range of semiconductors and system solutions. With a focus on automotive, industrial, power and multimarket sectors, Infineon's products are used in various applications such as automotive electronics, power supplies, mobile devices, and security systems.
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Infineon has a strong presence in the automotive industry, providing chips and solutions for advanced driver assistance systems (ADAS), electric vehicle charging systems, and powertrain applications. The company's technology is vital for enabling efficient power management, reducing emissions, and improving safety in modern vehicles.
In the industrial sector, Infineon offers components for power generation and transmission, motor control, and renewable energy applications. Their semiconductors help enhance energy efficiency, reliability, and overall system performance.
Infineon is also a significant player in the power sector, offering products such as power semiconductors, modules, and sensors. These components are used in power supplies, lighting systems, and consumer electronics devices. The company's power management solutions help optimize energy consumption and improve power conversion efficiency.
Additionally, Infineon's technologies are utilized in various other markets, including security systems, mobile devices, and smart home applications. Their products ensure secure identification, data protection, and connectivity in digital devices and systems.
With a global presence and a strong commitment to innovation, Infineon continues to push the boundaries of semiconductor technology. The company's advancements contribute to the development of a smarter, safer, and more sustainable future. |
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The Infineon PSoC 4 HVPA-144K microcontroller is specifically designed for automotive battery management systems. It offers a wide range of features and capabilities that make it an ideal choice for such applications.
One of the key features of the PSoC 4 HVPA-144K is its high-voltage capability, which allows it to operate directly from the battery voltage without the need for additional voltage regulation circuitry. This simplifies the design and reduces overall system cost. Additionally, the microcontroller has a robust architecture that can handle the harsh automotive environment, including high temperatures, electrical noise, and vibration.
The PSoC 4 HVPA-144K comes with a rich set of peripherals and interfaces that are specifically tailored for battery management systems. It includes analog-to-digital converters (ADCs) for battery voltage and temperature sensing, digital-to-analog converters (DACs) for control purposes, and several communication interfaces such as CAN, LIN, and UART for interfacing with other automotive systems. These peripherals enable the microcontroller to monitor and control the battery and communicate with other components in the vehicle.
Another notable feature of the PSoC 4 HVPA-144K is its programmability. It is based on the PSoC (Programmable System-on-Chip) architecture, which means that it combines a microcontroller core with programmable analog and digital blocks. This allows designers to customize the microcontroller's functionality and tailor it to their specific application requirements. They can easily configure the analog and digital blocks using Infineon's intuitive PSoC Creator software, without the need for any additional external components.
In addition to its features and capabilities, the PSoC 4 HVPA-144K also offers excellent power efficiency. It incorporates several power-saving modes and techniques that help optimize energy consumption and prolong battery life. This is crucial for automotive battery management systems, as they need to operate in an energy-efficient manner to conserve battery power and ensure reliable performance.
Overall, the Infineon PSoC 4 HVPA-144K microcontroller is a highly advanced and versatile solution for automotive battery management systems. Its high-voltage capability, rich set of peripherals, programmability, and power efficiency make it a reliable and cost-effective choice for automotive designers looking to develop innovative battery management solutions.
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| Q: What is the purpose of the PSoC 4 High Voltage Precision Analog (HVPA)-144K microcontroller? |
A: It provides a fully integrated embedded system for monitoring and managing automotive 12 V lead-acid batteries. |
| Q: Why is monitoring and managing automotive batteries critical? |
A: It is critical for the 12 V power supply of vehicles' electrical systems. |
| Q: Is the PSoC 4 HVPA-144K microcontroller compliant with ISO26262? |
A: Yes, it is ISO26262 compliant. |
| Q: What does the PSoC 4 HVPA-144K microcontroller measure? |
A: It measures key parameters such as voltage, current, and temperature with an accuracy of up to ±0.1 percent. |
| Q: How does the PSoC 4 HVPA-144K microcontroller achieve accurate measurement? |
A: It features dual high-resolution sigma-delta ADCs and four digital filtering channels. |
| Q: Does the PSoC 4 HVPA-144K microcontroller provide autonomous control of the analog front end? |
A: Yes, it provides autonomous control through two programmable gain amplifiers with automatic gain control. |
| Q: What is the advantage of using shunt-based current sensing for batteries? |
A: It provides higher accuracy than conventional Hall sensors. |
| Q: Can the PSoC 4 HVPA-144K microcontroller be powered directly from the 12 V lead-acid battery? |
A: Yes, it can be powered directly without the need for an external power supply. |
| Q: Does the PSoC 4 HVPA-144K microcontroller support communication with the LIN bus? |
A: Yes, it supports direct communication with the LIN bus. |
| Q: Is the PSoC 4 HVPA-144K microcontroller compliant with ASIL-C according to ISO26262? |
A: Yes, it meets the functional safety requirements of ASIL-C according to ISO26262. |
| Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) has launched the PSoC 4 High Voltage Precision Analog (HVPA)-144K microcontroller, which caters to the automotive battery management industry. This revolutionary chip combines high-precision analog and high-voltage subsystems, providing a fully integrated embedded system for monitoring and managing 12 V lead-acid batteries in vehicles. Compliance with ISO26262 ensures compact and safe battery sensing and management in modern automobiles. Exceptional accuracy of up to ±0.1 percent is achieved by the dual high-resolution sigma-delta ADCs of the PSoC 4 HVPA-144K, in addition to four digital filtering channels. Crucial parameters including voltage, current, and temperature are measured, enabling precise determination of the battery's state-of-charge (SoC) and state-of-health (SoH). Automatic gain control is made possible through the device's two programmable gain amplifiers (PGAs), eliminating the need for software control of the analog front end. Shunt-based current sensing technology ensures higher accuracy compared to conventional Hall sensors. Furthermore, an integrated 12 V LDO (42 V tolerant) enables the microcontroller to be directly powered by the 12 V lead-acid battery, eliminating the requirement for an external power supply. The device also allows for direct communication with the LIN bus through its integrated transceiver. ASIL-C functional safety requirements according to ISO26262 are met by this product. The PSoC 4 HVPA-144K is based on the Arm® Cortex®-M0+ MCU, operating at speeds of up to 48 MHz and offering 128 KB of code flash, 8 KB of data flash, and 8 KB of SRAM, all supported by ECC. Digital peripherals include four timers/counters/PWMs and a serial communication block that can be configured as an I2C/SPI/UART. Automotive-quality software supports the PSoC 4 HVPA-144K, with Infineon's Automotive Peripheral Driver Library (AutoPDL) and Safety Library (SafeTlib) developed in compliance with A-SPICE, MISRA 2012 AMD1, CERT C, and ISO26262. Infineon plans to expand its PSoC microcontroller portfolio in the near future to include Li-ion battery management systems for electric vehicles (EVs). The upcoming range of products will cater to the monitoring and management of both high voltage (400 V and above) and low voltage (12 V/48 V) batteries, further promoting the adoption of EVs. |
| Technical Specification |
Description |
| Microcontroller Model |
Infineon PSoC 4 HVPA-144K |
| Application |
Automotive Battery Management Systems |
| Package |
HVQFN48 |
| CPU |
ARM Cortex-M0 |
| Flash Memory |
144 kB |
| SRAM |
32 kB |
| I/O Pins |
40 |
| Operating Voltage |
3.0V - 5.5V |
| Operating Temperature |
-40°C to 125°C |
| Peripherals |
Analog:
- 12-bit SAR ADC (12 channels)
- Comparator
- 8-bit DAC
- Capacitive Sensing
- Current Source DAC
Digital:
- Up to 16 Timer/Counter/PWM Blocks
- Serial Communication Interfaces (I2C, SPI, UART)
- Cryptographic Accelerators (AES and PRNG)
- CRC calculator
- Watchdog Timer (WDT)
- Real-Time Clock (RTC)
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| Special Features |
- Hardware Accelerators
- Low-Power Modes
- Integrated Voltage Regulator
- Motor Control Support
- Extensive GPIO
- Flexible Configurable Analog and Digital Blocks
- CapSense Touch Sensing
- Automotive-Grade Quality
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