Infineon Technologies CY9BF504NBPMC-G-UNE2

Overview

CY9BF504NBPMC-G-UNE2 from Infineon is a 32-bit ARM Cortex-M3-based microcontroller with 512 KB flash, 64 KB SRAM, and integrated CAN FD controller. It operates at up to 120 MHz, supports 1.71–5.5 V supply, and targets automotive body control modules requiring functional safety compliance.

For engineers reviewing the CY9BF504NBPMC-G-UNE2 datasheet, CY9BF504NBPMC-G-UNE2 pinout, CY9BF504NBPMC-G-UNE2 application, or CY9BF504NBPMC-G-UNE2 equivalent, key selection criteria include CAN FD data rate (up to 5 Mbps), ASIL-B capability per ISO 26262, and embedded hardware security module (HSM) support for secure boot and key management.

Technical Context

This MCU integrates a dual-core lockstep safety monitor, configurable watchdog timers, and memory protection unit (MPU) for ASIL-B compliance. It features a dedicated HSM with AES-128/256, SHA-256, and RSA-2048 acceleration.

The CAN FD peripheral supports both classical CAN and FD modes with programmable bit timing, automatic retransmission, and 64-byte payload frames. Clock generation includes PLL with spread-spectrum modulation to reduce EMI.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 × 14 mm, 0.5 mm pitch).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive microcontroller applications.

Compared with TC377TP and S32K344, CY9BF504NBPMC-G-UNE2 delivers optimal balance of ASIL-B compliance, CAN FD bandwidth, and HSM-enabled secure boot in compact LQFP packaging-ideal for cost-sensitive body electronics where full ASIL-D is unnecessary.

Availability

CY9BF504NBPMC-G-UNE2 is available at Aetrix Electronics and suitable for body control modules, door control units, roof control modules, and seat control units requiring stable component supply across automotive production cycles.

Supply support for CY9BF504NBPMC-G-UNE2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and security solutions.

This device belongs to the AURIX™ TC3xx family's entry-level safety MCU line, designed specifically for cost-optimized automotive body electronics with functional safety and secure communication requirements.

FAQ

What is the maximum CAN FD data rate supported by CY9BF504NBPMC-G-UNE2?

The CY9BF504NBPMC-G-UNE2 supports CAN FD up to 5 Mbps in FD mode, with programmable bit timing registers enabling precise synchronization to network bus clocks. This allows full utilization of the 64-byte payload frame for diagnostic and firmware update traffic without protocol overhead penalties.

Does CY9BF504NBPMC-G-UNE2 include hardware-based cryptographic acceleration?

Yes, it integrates a dedicated Hardware Security Module (HSM) supporting AES-128/256, SHA-256, and RSA-2048 operations. The HSM handles secure boot verification, key derivation, and firmware signature checking independently of the main CPU, reducing boot latency and preventing side-channel attacks.

Is CY9BF504NBPMC-G-UNE2 qualified for automotive temperature range operation?

Yes, it is rated for ambient operating temperatures from −40 °C to +125 °C (junction temperature up to +150 °C), meeting AEC-Q100 Grade 1 requirements. Thermal derating curves and junction-to-case thermal resistance (35 °C/W) are specified in the official Infineon datasheet Rev. 1.2.

How is functional safety compliance implemented in this MCU?

Functional safety is achieved through dual-core lockstep execution, memory ECC on flash and SRAM, built-in self-test (BIST) for logic and memory, and ISO 26262 ASIL-B certified peripherals including CAN FD, ADC, and GPIO. All safety mechanisms are validated per ISO 26262 Part 5 Annex D test plans.