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Product Detailed Parameters
- Description：PSOC BASED - HV FAMILY
- Series：-
- Mfr：Infineon Technologies
- Package：Tray
- Core Processor：-
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- Voltage - Supply (Vcc/Vdd)：-
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- Supplier Device Package：-
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Overview
The CY8C4126LCEHV423XQSA1 is an automotive-grade microcontroller from the PSoC™ 4 HV PA 144k series, based on a 32-bit ARM Cortex-M0 core. It features 64 kByte of code flash with ECC, 8 kByte of data flash with ECC, and 4 kByte of SRAM with ECC. The device includes a high-voltage subsystem with LIN PHY and LDO, two high-voltage measurement I/Os with dividers achieving 0.15% accuracy, and a 16-20 bit precision ΔΣ ADC. It supports ISO 26262 compliance and operates within a temperature range of -40°C to +125°C.
Feature Summary
- Integrates a high-voltage subsystem featuring a LIN PHY and LDO for direct connection to automotive networks.
- Provides two high-voltage measurement inputs with integrated dividers for precise voltage sensing.
- Includes a 16-20 bit precision delta-sigma analog-to-digital converter for accurate signal acquisition.
- Features memory structures with Error Correction Code (ECC) support for enhanced data integrity.
Applications
- In-body sensor applications requiring high-voltage interface capabilities
- LIN bus communication nodes in automotive systems
- Precision voltage monitoring circuits
- ISO 26262 compliant automotive electronic control units
Procurement Notes
Verify the specific suffix XQSA1 against official Infineon documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with automotive qualification standards required for your design. Cross-reference the part number with the latest datasheet revision to confirm pinout and electrical characteristics before finalizing procurement.
Selection Notes
Select this component when designing automotive systems requiring integrated high-voltage interfaces and LIN connectivity. It is suitable for applications needing precise analog measurements in harsh environments. Consider the available GPIO count and memory size relative to application complexity. Verify that the operating temperature range meets the specific environmental requirements of the target installation.
Part Context
This microcontroller belongs to the PSoC™ 4 HV PA 144k family, designed specifically for automotive human-machine interface and smart sensing applications. It combines low-power ARM processing with specialized high-voltage analog peripherals. The family emphasizes functional safety compliance and robust performance in demanding automotive electrical environments.
Replacement Considerations
Check the PSOC™ 4 HVPA-144K product brief for alternative part numbers within the same family that may offer different package options or pin configurations while maintaining compatible functionality.
