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Texas Instruments AM2634CPDFHMZCZRQ1
- Part No.:
- AM2634CPDFHMZCZRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 324-LFBGA
- Datasheet:
-
AM2634CPDFHMZCZRQ1.pdf
- Description:
- IC MCU 32BIT 256KB TCM 324LFBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
AM2634CPDFHMZCZRQ1 from Texas Instruments is a quad-core Arm® Cortex®-R5F automotive-grade microcontroller running at 400MHz per core, featuring 2MB on-chip SRAM with ECC, dual PRU-ICSS subsystems for industrial Ethernet protocols (PROFINET®, EtherCAT®, Ethernet/IP™), and functional safety certification up to ASIL-D. It integrates 5x 12-bit ADCs (up to 4MSPS), 32x eHRPWM modules, 4x CAN-FD interfaces, and hardware security including HSM, AES-256, and secure boot - deployed in traction inverters, onboard chargers, and servo drives.
For engineers reviewing the AM2634CPDFHMZCZRQ1 datasheet, AM2634CPDFHMZCZRQ1 pinout, AM2634CPDFHMZCZRQ1 application, or AM2634CPDFHMZCZRQ1 equivalent, key selection considerations include ASIL-D compliance, lockstep/dual-core R5F configuration support, PRU-ICSS availability for deterministic real-time I/O, integrated Gigabit Ethernet switch with IEEE 1588, and ZCZ 324-pin nFBGA package compatibility with thermal requirements up to 150°C junction temperature.
Technical Context
The AM2634CPDFHMZCZRQ1 implements four independent Arm® Cortex®-R5F cores, each with 16KB I-cache, 16KB D-cache, and 64KB TCM - all protected by 32/64-bit ECC. Its SoC architecture includes a centralized EDMA controller, SPINLOCK and MAILBOX interprocessor communication, and CPTS time-sync infrastructure for deterministic control loops.
Real-time sensing and actuation are enabled by CONTROLSS with XBAR-configurable ADC start triggers, programmable S+H, PPB post-processing, 20 analog comparators (CMPSSA/B), and 32 eHRPWM channels supporting extended resolution. The PRU-ICSS provides two independent PRU cores (PRU0/PRU1), each with 16KB IRAM, 8KB shared data RAM, and dedicated eGPI/eGPO for protocol offload and custom I/O timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Cores | Quad-core Arm® Cortex®-R5F, each up to 400MHz, lockstep or dual-core capable |
| On-Chip Memory | 2MB OCSRAM with ECC; 256KB TCM (128KB per cluster) with ECC |
| ADC | 5x 12-bit SAR ADCs, up to 4MSPS total, configurable for 6 single-ended or 3 differential inputs |
| PWM & Capture | 32x eHRPWM modules with HRPWM extension; 10x eCAP; 3x eQEP; 2x 4-channel SDFM |
| Connectivity | 4x MCAN (CAN-FD); 6x UART; 5x SPI; 4x I2C; 5x LIN; 1x QSPI; 4x FSI_TX/RX; Gigabit Ethernet switch with RGMII/MII/RMII |
| Security & Safety | HSM with Auto SHE 1.1/EVITA; AES-256/SHA-512 acceleration; ISO 26262 ASIL-D and IEC 61508 SIL-3 certified |
| Package | ZCZ: 324-pin nFBGA, 15.0mm × 15.0mm, 0.8mm pitch, AEC-Q100 qualified (Grade P: –40°C to 150°C) |
Pinout & Package
ZCZ package is a 324-ball nFBGA with 0.8mm pitch, 15.0mm × 15.0mm body size, and thermal pad exposed on underside. Designed for high-density automotive PCB layouts requiring robust thermal dissipation and signal integrity across 139 GPIOs, multiple high-speed interfaces (RGMII, QSPI, FSI), and safety-critical analog inputs (ADC_VREFHI/LO, DAC_OUT).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / VSS / VSSA / VDDSxx | Power and ground domains | Separate 1.8V (VDDS18), 3.3V (VDDS33), analog (VDDA18/VDDA33), and core (VDD) rails with dedicated analog ground (VSSA) for noise isolation in ADC/DAC operation |
| RGMII1_TD[0:3], _TXC, _RXC, _RD[0:3], _RX_CTL | Gigabit Ethernet physical interface | Full RGMII interface supporting 10/100/1000BASE-T with IEEE 1588 timestamping and hardware checksum offload |
| MCAN0_TX / MCAN0_RX, MCAN1_TX / MCAN1_RX, etc. | CAN-FD transceiver interface | Four independent MCAN modules compliant with ISO 11898-1:2015, supporting FD data rates up to 5Mbps and flexible bit timing |
| ADC0_AIN[0:5], ADC1_AIN[0:5], etc. | Analog input channels | Direct connection to 5x 12-bit ADC subsystems; supports simultaneous sampling, external trigger via XBAR, and programmable sample-and-hold |
| EPWM0_A / EPWM0_B, ..., EPWM31_A / EPWM31_B | Digital PWM output pairs | 32 eHRPWM modules with dead-time insertion, fault zone management, and HRPWM sub-cycle resolution down to 150ps |
| PR0_PRU0_GPIO[0:16], PR0_PRU1_GPIO[0:19] | PRU-controlled general-purpose I/O | 40+ pins directly managed by PRU0/PRU1 for cycle-accurate digital I/O, encoder capture, or protocol bit-banging without CPU intervention |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-D & SIL-3 Certification | TÜV SÜD certified for automotive and industrial functional safety systems; includes ESM, BIST, voltage/temp monitoring, and windowed watchdogs |
| Dual PRU-ICSS Subsystem | Two independent PRU cores (PRU0/PRU1) with 16KB IRAM each, enabling deterministic real-time protocol stacks (EtherCAT®, PROFINET®) without CPU load |
| Integrated Gigabit Ethernet Switch | Two-port switch with RGMII/MII/RMII support, IEEE 1588 hardware timestamping, ALE-based packet classification, and priority flow control |
| Enhanced Analog Subsystem | 5x ADCs + 20 CMPSS + 1x DAC + 32 eHRPWM + 10 eCAP + 3 eQEP + 2 SDFM enables closed-loop motor control with <1µs latency |
| HSM with Crypto Acceleration | Hardware Security Module supporting secure boot, AES-256/SHA-512, PKA for RSA/ECC, DRBG, and OTP-based key storage with UID |
Applications
| Motor Control in Traction Inverters | Automotive Onboard Charger (OBC) |
|---|---|
Use Scenario: Real-time field-oriented control (FOC) of permanent magnet synchronous motors in EV powertrains, requiring synchronized PWM generation, current sensing, and thermal protection. IC Role / Device Role / Timing Role: Primary real-time controller executing FOC algorithms across four R5F cores, managing 32 eHRPWM outputs, 5x ADCs for phase current sampling, and PRU-ICSS for CAN-FD diagnostics and charging handshake. Use Value: Sub-microsecond PWM resolution and deterministic PRU offload enable precise torque control while meeting ASIL-D safety goals for drive system failure modes. | Use Scenario: Bidirectional AC/DC and DC/DC conversion in vehicle-integrated OBCs, coordinating grid synchronization, isolation monitoring, and battery state-of-charge negotiation. IC Role / Device Role / Timing Role: System-on-chip controller handling PFC and LLC control loops, communicating with BMS via CAN-FD, managing USB-C PD negotiation via UART/I2C, and enforcing safety shutdowns via ESM and SAFETY_ERRORn pin. Use Value: Integrated 2MB SRAM with ECC eliminates external memory bottlenecks; hardware crypto accelerators secure firmware updates and grid authentication. |
| Servo Drive with Industrial Ethernet | Battery Management System (BMS) Domain Controller |
Use Scenario: High-precision multi-axis motion control in CNC machines or robotics, requiring nanosecond-level I/O timing, distributed clock synchronization, and real-time protocol stack execution. IC Role / Device Role / Timing Role: Central controller running PROFINET® IRT or EtherCAT® master stack on PRU-ICSS, coordinating position feedback from eQEP/SDFM, generating synchronized PWM for servo amplifiers, and managing safety I/O via GPIOs. Use Value: Dual PRU cores execute protocol stacks independently of R5F application code, guaranteeing <100ns jitter for distributed clocks and eliminating CPU scheduling delays. | Use Scenario: Centralized cell monitoring, thermal management, and pack-level communication in high-voltage EV battery packs, integrating isolated voltage/current sensors and wireless mesh networks. IC Role / Device Role / Timing Role: Domain controller aggregating data from 12+ analog sensor channels (via ADC/CMPSS), running SOC/SOH algorithms on R5F cores, transmitting telemetry over CAN-FD and Ethernet, and enforcing ASIL-D fault responses. Use Value: 5x ADCs with configurable PPB allow simultaneous cell voltage measurement and temperature compensation; HSM secures OTA updates and cryptographic key exchange with cloud services. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar real-time control microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM2634CPDFHMZCZ | Industrial-grade variant (–40°C to 105°C), no AEC-Q100 qualification, identical core count, memory, peripherals, and PRU-ICSS capability | Lacks automotive qualification and extended temperature support; suitable for non-automotive industrial servo drives and solar inverters | Select when functional safety certification beyond SIL-3 is not required and ambient temperature remains ≤105°C. |
| AM2632CPDFHMZCZRQ1 | Dual-core Arm® Cortex®-R5F (vs. quad-core), same ZCZ package, identical peripheral set except reduced eHRPWM (16 vs. 32), eCAP (5 vs. 10), and ADC count (3 vs. 5) | Lower compute density and analog I/O count; appropriate for cost-sensitive single-axis drives or simpler domain controllers | Choose when application workload fits within two R5F cores and fewer PWM/ADC resources suffice - reduces BOM cost without sacrificing ASIL-D compliance. |
Compared with AM2634CPDFHMZCZRQ1, the AM2634CPDFHMZCZ offers identical real-time performance but lacks automotive qualification, while AM2632CPDFHMZCZRQ1 delivers ASIL-D safety at lower computational and analog I/O capacity - enabling tiered design reuse across automotive product families.
Availability
AM2634CPDFHMZCZRQ1 is available at Aetrix Electronics and suitable for traction inverters, onboard chargers, and servo drives requiring stable component supply, long-term automotive lifecycle support, and traceable AEC-Q100-compliant sourcing.
Supply support for AM2634CPDFHMZCZRQ1 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
Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and connectivity technologies for industrial, automotive, and communications markets.
The AM263x product line delivers real-time control microcontrollers optimized for motor control, digital power conversion, and industrial automation - combining Arm® R5F safety cores, PRU-ICSS for deterministic I/O, and integrated analog subsystems.
FAQ
What is the maximum operating junction temperature for AM2634CPDFHMZCZRQ1?
The AM2634CPDFHMZCZRQ1 is AEC-Q100 Grade P qualified with a maximum junction temperature of 150°C. This rating is validated under extended automotive conditions and supported by on-die thermal monitoring circuits integrated into the System Monitor module. Operation above this limit risks permanent damage and violates functional safety constraints defined in ISO 26262 ASIL-D compliance documentation for AM2634CPDFHMZCZRQ1.
Does AM2634CPDFHMZCZRQ1 support lockstep mode for its Cortex-R5F cores?
Yes, AM2634CPDFHMZCZRQ1 supports lockstep operation for its Arm® Cortex®-R5F cores, enabling dual-core lockstep clusters where one core verifies the other's execution for fault detection. This mode is configurable via CTRLMMR registers and is integral to achieving ASIL-D compliance. Lockstep mode reduces usable TCM per core to 64KB but provides hardware-enforced error detection required for safety-critical motor control applications using AM2634CPDFHMZCZRQ1.
How many CAN-FD interfaces does AM2634CPDFHMZCZRQ1 integrate?
AM2634CPDFHMZCZRQ1 integrates four fully independent Modular Controller Area Network (MCAN) modules, each supporting CAN-FD protocol with data rates up to 5Mbps and ISO 11898-1:2015 compliance. These interfaces operate concurrently with separate message RAMs and interrupt vectors, allowing simultaneous communication with battery management systems, motor controllers, and vehicle gateways - a key capability confirmed in the AM2634CPDFHMZCZRQ1 device comparison table and peripheral description.
Is PRU-ICSS available on AM2634CPDFHMZCZRQ1, and what protocols does it support?
Yes, AM2634CPDFHMZCZRQ1 includes a full PRU-Industrial Communication Subsystem (PRU-ICSS) with two PRU cores (PRU0/PRU1), each with dedicated memory and I/O. It supports EtherCAT®, PROFINET®, Ethernet/IP™, IO-Link®, and custom real-time protocols via firmware loaded into PRU IRAM. This capability is explicitly listed in the AM2634CPDFHMZCZRQ1 features section and verified in the device nomenclature table where feature codes D/E/F/K/L/M indicate PRU-ICSS inclusion.
What package type and pin count does AM2634CPDFHMZCZRQ1 use?
AM2634CPDFHMZCZRQ1 uses the ZCZ package: a 324-pin nFBGA with 15.0mm × 15.0mm body size and 0.8mm ball pitch. This package is documented in TI's AM263x datasheet Section 11 and confirmed in the Package Information table, where AM2634...ZCZQ1 maps directly to the ZCZQ1 variant - identical mechanical form factor to ZCZ but with automotive qualification markings. Thermal pad exposure is standard for this package type.
AM2634CPDFHMZCZRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 324-LFBGA
- Series:
- Sitara™
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-R5F
- Core Size:
- 32-Bit Quad-Core
- Speed:
- 200MHz
- Connectivity:
- CANbus, Ethernet, I2C, MMC/SDIO, QSPI, SPI, UART/USART
- Peripherals:
- AES, DMA, POR, PWM, SHA, TRNG, WDT
- Number of I/O:
- 140
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- Tightly Coupled Memory (TCM)
- EEPROM Size:
- -
- RAM Size:
- 2M x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 1.89V, 3.135V ~ 3.465V
- Data Converters:
- A/D 6x12b SAR; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
AM2634CPDFHMZCZRQ1 FAQ
1.How can I place an order for AM2634CPDFHMZCZRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AM2634CPDFHMZCZRQ1 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 AM2634CPDFHMZCZRQ1 reliable?
The price and inventory of AM2634CPDFHMZCZRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM2634CPDFHMZCZRQ1 is usually 5 days.
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AM2634CPDFHMZCZRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM2634CPDFHMZCZRQ1 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 AM2634CPDFHMZCZRQ1?
For technical support, including AM2634CPDFHMZCZRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM2634CPDFHMZCZRQ1 requirements.
6.How does Aetrix verify that AM2634CPDFHMZCZRQ1 is sourced from the original manufacturer or authorized distributors?
All AM2634CPDFHMZCZRQ1 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 AM2634CPDFHMZCZRQ1 meets industry standards.
7.What is the process for return or replacement of AM2634CPDFHMZCZRQ1?
All AM2634CPDFHMZCZRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with AM2634CPDFHMZCZRQ1, 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 AM2634CPDFHMZCZRQ1 part is unused and in its original packaging.
Return procedure for AM2634CPDFHMZCZRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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