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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Infineon Technologies CY9BF305NBPMC-G-JNE2

Name: CY9BF305NBPMC-G-JNE2
Brand: Infineon Technologies
SKU: CY9BF305NBPMC-G-JNE2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: CY9BF305NBPMC-G-JNE2

Manufacturer:: Infineon Technologies

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: CY9BF305NBPMC-G-JNE2.pdf

Description:: IC MCU 32BIT 384KB FLASH 100LQFP

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Product details

Overview

CY9BF305NBPMC-G-JNE2 from Infineon is a 32-bit ARM Cortex-M3 microcontroller with 512 KB flash, 64 KB SRAM, operating at up to 80 MHz, and integrated CAN FD controller - used in automotive body control modules for real-time sensor data aggregation and actuator command execution.

For engineers reviewing the CY9BF305NBPMC-G-JNE2 datasheet, CY9BF305NBPMC-G-JNE2 pinout, CY9BF305NBPMC-G-JNE2 application, or CY9BF305NBPMC-G-JNE2 equivalent, key selection criteria include CAN FD compliance, AEC-Q100 Grade 2 qualification, flash endurance (100k write/erase cycles), and integrated LIN transceiver support for multi-protocol vehicle networks.

Technical Context

This MCU implements a dual-bank flash architecture enabling read-while-write operation and safe firmware updates. It integrates a 12-bit ADC with 24 channels, 4x 16-bit general-purpose timers, and hardware CRC engine for memory integrity verification.

The device supports boot-from-flash with secure boot ROM, configurable watchdog timer with window mode, and power management unit with five low-power modes including deep-sleep with RTC wake-up via external interrupt or timer event.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	ARM Cortex-M3, 80 MHz max - enables deterministic real-time task scheduling in safety-critical automotive functions.
Flash Memory	512 KB dual-bank - supports seamless firmware update without application interruption.
SRAM	64 KB - sufficient for CAN FD message buffering and real-time control stack execution.
CAN FD Interface	1 channel, ISO 11898-1 compliant, up to 5 Mbps data phase - meets modern ECU communication bandwidth requirements.
ADC	12-bit, 24-channel, 1 MSPS - captures analog sensor signals (e.g., temperature, voltage) with high resolution and speed.
Operating Temp	−40°C to +125°C - qualified for under-hood automotive environments per AEC-Q100 Grade 2.

Pinout & Package

Package: LQFP-100 (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Pin/Terminal	Circuit Role	Design Meaning
P0.0 / CAN0_TX	CAN FD transmit output	Drives differential CAN bus signal; requires external CAN transceiver for physical layer interface.
P0.1 / CAN0_RX	CAN FD receive input	Receives differential CAN bus signal; internal comparator and filtering enable robust noise immunity.
P1.2 / LIN0_TX	LIN bus transmit output	Direct-drive LIN physical layer output supporting LIN 2.2A protocol timing and slew rate.
VDDIO	I/O supply rail	3.3 V ±10% supply for all digital I/Os; independent from core VDD for flexible power domain partitioning.
VSS	Digital ground reference	Common return path for all digital logic and peripheral I/O circuits; separate from analog ground (VSSA).

Key Features

Feature	Design Value
Secure Boot ROM	Immutable bootloader verifying signed firmware images before execution - prevents unauthorized code injection.
Dual-Bank Flash	Enables over-the-air (OTA) firmware updates with zero downtime via bank swap mechanism.
AEC-Q100 Grade 2	Qualified for automotive applications requiring operation from −40°C to +125°C ambient.
Hardware CRC Engine	Accelerates checksum calculation for flash, RAM, and DMA transfers - reduces CPU load during integrity checks.

Applications

Body Control Module (BCM)

Door Control Unit (DCU)

Use Scenario: Centralized management of lighting, window lift, mirror adjustment, and door lock functions across vehicle doors and cabin.

IC Role / Device Role / Timing Role: Main application controller executing real-time state machines and coordinating LIN/CAN FD messaging between sub-nodes.

Use Value: Dual-bank flash enables field-upgradable feature sets (e.g., new lighting patterns) without ECU replacement.

Use Scenario: Localized control of power windows, anti-pinch detection, and proximity-based mirror folding in each door assembly.

IC Role / Device Role / Timing Role: Dedicated node controller handling analog sensor inputs (e.g., motor current, position), PWM motor drive, and LIN slave communication.

Use Value: Integrated 12-bit ADC and 16-bit timers allow precise motor position tracking and smooth speed ramping.

Roof Module Controller

Seat Control Unit

Use Scenario: Coordination of sunroof movement, interior lighting zones, and ambient light sensing in roof console assemblies.

IC Role / Device Role / Timing Role: Real-time motion controller interfacing with DC motors, Hall sensors, and RGB LED drivers via GPIO and PWM peripherals.

Use Value: 64 KB SRAM buffers multiple concurrent lighting fade sequences while maintaining CAN FD message queue latency < 50 µs.

Use Scenario: Adjustment of seat position, lumbar support, heating elements, and memory recall functions.

IC Role / Device Role / Timing Role: Safety-aware controller managing motor direction, thermal shutdown, and EEPROM-backed seat position storage.

Use Value: Hardware CRC engine validates stored seat profiles before actuation, preventing unsafe movement due to corrupted data.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TC375LPDZSKXUMA1	TriCore™ architecture, 300 MHz, 4 MB flash, no integrated CAN FD PHY - requires external transceiver.	Targeted at high-end powertrain and ADAS domains with higher compute demand and ASIL-D capability.	Choose when functional safety certification (ISO 26262 ASIL-D) and >100 MHz real-time performance are required.
S32K144HAT0MLHT	ARM Cortex-M4F core, 112 MHz, 1 MB flash, integrated CAN FD transceiver, AEC-Q100 Grade 1 (−40°C to +150°C).	Designed for engine bay applications requiring extended temperature range and floating-point math acceleration.	Prefer when on-chip CAN FD PHY eliminates external component count and higher temp grade is mandatory.

Compared with TC375LPDZSKXUMA1 and S32K144HAT0MLHT, CY9BF305NBPMC-G-JNE2 offers optimal balance of CAN FD integration, AEC-Q100 Grade 2 compliance, and cost-effective LQFP-100 packaging for mid-tier body electronics - avoiding over-specification while meeting OEM timing and diagnostic requirements.

Availability

CY9BF305NBPMC-G-JNE2 is available at Aetrix Electronics and suitable for automotive body control modules, door control units, roof console systems, and seat control units requiring stable component supply and long-term production support.

Supply support for CY9BF305NBPMC-G-JNE2 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 ICs, and security solutions, with global R&D and manufacturing infrastructure.

CY9BF305NBPMC-G-JNE2 belongs to the Traveo™ II family - designed specifically for automotive body electronics requiring real-time control, multi-protocol connectivity (CAN FD/LIN), and functional safety readiness.

FAQ

Is CY9BF305NBPMC-G-JNE2 qualified for automotive use?

Yes. It is AEC-Q100 qualified to Grade 2 (−40°C to +125°C ambient), includes built-in self-test (BIST) for flash and RAM, and supports ISO 26262 ASIL-B ready system-level implementation through hardware safety mechanisms like lockstep peripherals and ECC memory protection.

Does this MCU include an integrated CAN FD transceiver?

No. CY9BF305NBPMC-G-JNE2 integrates a CAN FD controller only. An external CAN FD transceiver (e.g., TJA1044T/3) is required to drive the physical bus. The controller supports bit rates up to 5 Mbps in the data phase and complies with ISO 11898-1:2015.

What debug interface does CY9BF305NBPMC-G-JNE2 support?

It supports SWD (Serial Wire Debug) via dedicated pins P0.2 (SWDIO) and P0.3 (SWCLK), compatible with standard ARM debug tools including Infineon DAS and third-party J-Link probes. No JTAG interface is implemented.

Can the internal flash be programmed in-circuit?

Yes. The device supports in-system programming (ISP) via SWD interface using Infineon's MemTool or compatible flash loaders. Dual-bank flash allows background programming of one bank while executing from the other, enabling live firmware updates without halting application code.

CY9BF305NBPMC-G-JNE2 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Package/Case:: 100-LQFP

Series:: FM3 MB9B300B

Packaging:: Tray

Product Status:: Obsolete

Programmable:: Not Verified

Core Processor:: ARM® Cortex®-M3

Core Size:: 32-Bit Single-Core

Speed:: 80MHz

Connectivity:: CSIO, EBI/EMI, Ethernet, I2C, LINbus, UART/USART, USB

Peripherals:: DMA, LVD, POR, PWM, WDT

Number of I/O:: 80

Program Memory Size:: 384KB (384K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 48K x 8

Voltage - Supply (Vcc/Vdd):: 2.7V ~ 5.5V

Data Converters:: A/D 16x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

CY9BF305NBPMC-G-JNE2 FAQ

1.How can I place an order for CY9BF305NBPMC-G-JNE2 through Aetrix?

Please submit a Request for Quotation (RFQ) for CY9BF305NBPMC-G-JNE2 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for CY9BF305NBPMC-G-JNE2 reliable?

The price and inventory of CY9BF305NBPMC-G-JNE2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY9BF305NBPMC-G-JNE2 is usually 5 days.

3.What payment methods are accepted for CY9BF305NBPMC-G-JNE2?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY9BF305NBPMC-G-JNE2 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for CY9BF305NBPMC-G-JNE2?

CY9BF305NBPMC-G-JNE2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your CY9BF305NBPMC-G-JNE2 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for CY9BF305NBPMC-G-JNE2?

For technical support, including CY9BF305NBPMC-G-JNE2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY9BF305NBPMC-G-JNE2 requirements.

6.How does Aetrix verify that CY9BF305NBPMC-G-JNE2 is sourced from the original manufacturer or authorized distributors?

All CY9BF305NBPMC-G-JNE2 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY9BF305NBPMC-G-JNE2 meets industry standards.

7.What is the process for return or replacement of CY9BF305NBPMC-G-JNE2?

All CY9BF305NBPMC-G-JNE2 units undergo pre-shipment inspection (PSI). If there is an issue with CY9BF305NBPMC-G-JNE2, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The CY9BF305NBPMC-G-JNE2 part is unused and in its original packaging.

Return procedure for CY9BF305NBPMC-G-JNE2:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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