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Texas Instruments TMS5701224BPGEQQ1
- Part No.:
- TMS5701224BPGEQQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
TMS5701224BPGEQQ1.pdf
- Description:
- IC MCU 16/32BIT 1.25MB 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,071
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Product details
Overview
TMS5701224BPGEQQ1 from Texas Instruments is an automotive-grade, safety-critical 32-bit RISC microcontroller featuring dual ARM Cortex-R4F CPUs in lockstep, 1.25 MB ECC-protected Flash, 192 KB ECC-protected RAM, and integrated functional safety peripherals including BIST, ESM, and voltage/clock monitoring. It delivers 298 DMIPS at 180 MHz and targets real-time motor control and braking systems.
For engineers reviewing the TMS5701224BPGEQQ1 datasheet, TMS5701224BPGEQQ1 pinout, TMS5701224BPGEQQ1 application, or TMS5701224BPGEQQ1 equivalent, key selection criteria include ASIL-D compliance support, dual-CPU lockstep execution integrity, N2HET timing coprocessor channel count, ePWM trip-zone protection, and 144-pin LQFP (PGE) package compatibility with automotive PCB layouts.
Technical Context
The TMS5701224BPGEQQ1 implements a dual-core lockstep architecture where both Cortex-R4F CPUs execute identical instructions with cycle-by-cycle comparison to detect transient or permanent faults. Its safety subsystem includes dedicated Error Signaling Module (ESM) with nERROR output, built-in CPU and RAM BIST, and ECC on all program/data memory interfaces.
Real-time control is enabled by two independent Next Generation High-End Timer (N2HET) modules - N2HET1 with 32 programmable channels and N2HET2 with 18 channels - each paired with a dedicated HTU for DMA-style data transfers and MPU-protected memory access. The device supports CAN 2.0A/B across three DCAN controllers and integrates two 12-bit MibADCs with 24 total inputs and 64-word parity-protected buffers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F dual-core in lockstep, 1.66 DMIPS/MHz, up to 180 MHz → enables ASIL-D–compliant real-time execution with fault detection |
| Memory | 1.25 MB Flash with ECC + 192 KB RAM with ECC + 64 KB emulated EEPROM with ECC → ensures data integrity across power cycles and radiation events |
| N2HET Channels | N2HET1: 32 channels; N2HET2: 18 channels → provides deterministic, software-controlled timing for up to 40 I/O terminals in motor control and sensor acquisition |
| ePWM Outputs | 7 modules with up to 14 outputs, integrated trip-zone protection, and ADC synchronization → supports high-reliability digital motor control with hardware fault response |
| Communication | 3× DCAN (CAN 2.0B), 2× SCI (1 with LIN 2.1), 3× MibSPI, 1× I2C, 2× SPI → meets automotive networking requirements in noisy environments up to 1 Mbps |
| Analog Interface | 2× 12-bit MibADCs: ADC1 with 24 channels, ADC2 with 16 shared channels, 64-word parity-protected buffers → enables synchronized multi-sensor sampling for position/speed feedback |
| Safety Features | Dual-CPU lockstep, CPU/RAM BIST, ESM with nERROR pin, voltage/clock monitors, parity on peripheral memories → satisfies ISO 26262 ASIL-D decomposition requirements |
Pinout & Package
Package: 144-pin LQFP (PGE), RoHS-compliant, 20.0 mm × 20.0 mm body size, 0.5 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Core supply input | 1.14–1.32 V supply for Cortex-R4F cores and internal logic; requires low-noise regulation for lockstep stability |
| VCCIO | I/O supply input | 3.0–3.6 V supply for GPIO, ADC reference, and communication peripherals; decoupling critical for EMC robustness |
| nRST | Warm reset input | Active-low asynchronous reset; initiates full system restart without power cycle; monitored by ESM for fault recovery |
| nERROR | Error signaling output | Open-drain active-low output asserted by ESM on detected fault (e.g., ECC double-bit error, BIST failure); drives external watchdog or system shutdown |
| GIOA[7:0] | General-purpose I/O bank A | 8 configurable pins supporting interrupt generation, GPIO, or N2HET1/N2HET2 I/O mapping; used for status signaling or actuator enable |
| CAN1_TX / CAN1_RX | Controller Area Network interface | Differential CAN bus transceiver interface compliant with ISO 11898-1; supports 1 Mbps operation in harsh automotive environments |
| AD1IN[7:0] | Analog input channel group | 8 dedicated inputs for MibADC1; supports simultaneous sampling with ePWM sync for current/voltage sensing in inverter applications |
| N2HET1[31:0] | N2HET1 programmable I/O | 32 pins configurable as PWM, capture, compare, or GIO; enables precise timing of gate drivers, encoder signals, or diagnostic pulses |
Key Features
| Feature | Design Value |
|---|---|
| Dual-CPU Lockstep Execution | Hardware-enforced instruction-level redundancy with continuous comparison; detects single-event upsets and hard faults per ISO 26262 ASIL-D requirements |
| ECC Memory Protection | Single-bit error correction and double-bit error detection on 1.25 MB Flash and 192 KB RAM; prevents silent data corruption in safety-critical code/data |
| N2HET Timing Coprocessors | Two independent N2HET modules (32 + 18 channels) with dedicated HTUs and MPUs; offloads complex timing tasks from CPU while maintaining determinism |
| ePWM with Trip-Zone Protection | 7 modules with hardware-based fault response (nTZ[3:1] inputs); disables outputs within <100 ns on overcurrent/overtemperature events |
| Functional Safety Peripherals | Built-in BIST for CPU and SRAM, voltage/clock monitors, ESM with nERROR output, and loopback-capable I/O - all qualified for ASIL-D system integration |
| Multibuffered ADC Synchronization | Two 12-bit MibADCs with 64-word parity-protected buffers and hardware sync to ePWM triggers; enables precise current sampling in motor phase legs |
Applications
| Electric Power Steering (EPS) | Braking Systems (ABS/ESC) |
|---|---|
|
Use Scenario: Real-time torque assist calculation and brushless motor commutation under varying road loads and battery voltages. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with lockstep CPU verification and N2HET-driven gate timing. Use Value: Hardware trip-zone protection and ePWM-to-MibADC synchronization ensure <100 ns fault response during phase current overload, preventing MOSFET destruction. |
Use Scenario: Closed-loop hydraulic pressure modulation and wheel speed monitoring in anti-lock and electronic stability control units. IC Role / Device Role / Timing Role: Central safety MCU managing DCAN network coordination, eQEP-based wheel speed decoding, and real-time PID pressure control. Use Value: Dual N2HET modules provide deterministic pulse generation for solenoid valve drivers while eCAP captures ABS sensor edges with sub-microsecond accuracy. |
| HEV/EV Inverter Control | Railway Traction Control |
|
Use Scenario: High-frequency IGBT/SiC gate driving, DC-link voltage/current monitoring, and thermal management in hybrid/electric vehicle inverters. IC Role / Device Role / Timing Role: Real-time control unit with integrated safety logic, running motor FOC algorithms and validating sensor inputs via redundant ADC paths. Use Value: 12-bit MibADCs with 24-channel multiplexing and parity-protected buffers enable synchronized sampling of 3-phase currents and DC-link voltage without CPU intervention. |
Use Scenario: Traction motor sequencing, brake interlock supervision, and train-line communication in rail propulsion systems operating at -40°C to +125°C. IC Role / Device Role / Timing Role: Certified safety controller interfacing with EN 5012x-compliant networks via three DCAN ports and managing N2HET-timed contactor sequencing. Use Value: ECC-protected Flash and RAM, combined with voltage/clock monitoring and ESM-driven nERROR assertion, meet SIL-4 functional safety certification requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS570LS1224ZWT | 337-ball BGA (16 mm × 16 mm); higher I/O count (101 GPIO vs. 64); same core, memory, and peripheral specs | Preferred for space-constrained, high-density PCBs requiring more analog/digital I/O or EMIF expansion | Select ZWT when board layout allows BGA and additional GPIO or external memory interface is required. |
| TMS570LS0714PGE | Same 144-pin PGE package; lower frequency (160 MHz), reduced Flash (768 KB), no EMIF, only 2 DCANs and 1 eQEP | Targeted at cost-optimized ASIL-B systems like basic EPS or HVAC controls where full TMS5701224BPGEQQ1 capability is unnecessary | Choose LS0714PGE for non-ASIL-D applications needing footprint compatibility but lower performance and feature set. |
Compared with TMS5701224BPGEQQ1, the ZWT variant offers greater I/O density and EMIF support in a smaller footprint but sacrifices reworkability and thermal management simplicity; the LS0714PGE reduces safety scope and peripheral count to lower BOM cost while retaining pin compatibility for migration paths.
Availability
TMS5701224BPGEQQ1 is available at Aetrix Electronics and suitable for electric power steering, braking systems, and HEV/EV inverter applications requiring stable component supply, long-term automotive lifecycle support, and ASIL-D–ready silicon.
Supply support for TMS5701224BPGEQQ1 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 leader specializing in analog, embedded processing, and connectivity technologies, with deep expertise in automotive safety microcontrollers and functional safety certification.
The TMS570 Hercules™ family was designed specifically for ISO 26262 ASIL-D and IEC 61508 SIL-3 safety-critical applications, integrating lockstep CPUs, memory ECC, and self-test logic into a unified real-time control platform.
FAQ
What safety certifications does the TMS5701224BPGEQQ1 support?
The TMS5701224BPGEQQ1 is architected to support ISO 26262 ASIL-D and IEC 61508 SIL-3 compliance through integrated features including dual-core lockstep execution, CPU and RAM BIST, ECC on Flash and RAM, ESM with nERROR output, and voltage/clock monitoring. TI provides safety manuals, FMEDA reports, and diagnostic software libraries to accelerate system-level certification - all applicable to the TMS5701224BPGEQQ1 in its 144-pin PGE package configuration.
Does the TMS5701224BPGEQQ1 include hardware debug support for safety-critical development?
Yes, the TMS5701224BPGEQQ1 integrates ARM CoreSight™ debug infrastructure including SWD/JTAG interfaces, ETM trace (in compatible variants), and dedicated debug security modules. Its Advanced JTAG Security Module (AJSM) enforces secure debug access, while the Parameter Overlay Module (POM) enables runtime calibration updates without flash reprogramming - both features are fully implemented and validated for the TMS5701224BPGEQQ1 device.
Can the TMS5701224BPGEQQ1 operate without external memory?
Yes, the TMS5701224BPGEQQ1 operates autonomously using its on-chip 1.25 MB Flash and 192 KB RAM, both protected by ECC. While it includes a 16-bit External Memory Interface (EMIF), this is optional and unused in most implementations. The TMS5701224BPGEQQ1 is fully functional as a standalone controller for motor control, braking, and EPS applications without external memory attachment.
How many CAN interfaces does the TMS5701224BPGEQQ1 support, and what protocol versions are implemented?
The TMS5701224BPGEQQ1 integrates three DCAN controllers compliant with CAN Protocol Version 2.0A and 2.0B, supporting bit rates up to 1 Mbps. Each DCAN module includes 64 mailboxes with parity protection and supports message filtering, loopback testing, and automatic retransmission - all confirmed for the TMS5701224BPGEQQ1 in its PGE package configuration per TI's SPNS190B datasheet.
What is the maximum operating temperature range for the TMS5701224BPGEQQ1?
The TMS5701224BPGEQQ1 is rated for operation from –40°C to +125°C ambient temperature, qualified per AEC-Q100 Grade 1 requirements. This extended range is guaranteed across all specified electrical parameters and safety functions, including lockstep CPU operation, ECC memory correction, and N2HET timing accuracy - making it suitable for under-hood automotive applications and railway traction systems.
TMS5701224BPGEQQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 144-LQFP
- Series:
- Hercules™ TMS570 ARM® Cortex®-R
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R4F
- Core Size:
- 16/32-Bit
- Speed:
- 160MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, LINbus, MibSPI, SCI, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 1.25MB (1.25M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 3.6V
- Data Converters:
- A/D 24x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
TMS5701224BPGEQQ1 FAQ
1.How can I place an order for TMS5701224BPGEQQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS5701224BPGEQQ1 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 TMS5701224BPGEQQ1 reliable?
The price and inventory of TMS5701224BPGEQQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS5701224BPGEQQ1 is usually 5 days.
3.What payment methods are accepted for TMS5701224BPGEQQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS5701224BPGEQQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS5701224BPGEQQ1?
TMS5701224BPGEQQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS5701224BPGEQQ1 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 TMS5701224BPGEQQ1?
For technical support, including TMS5701224BPGEQQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS5701224BPGEQQ1 requirements.
6.How does Aetrix verify that TMS5701224BPGEQQ1 is sourced from the original manufacturer or authorized distributors?
All TMS5701224BPGEQQ1 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 TMS5701224BPGEQQ1 meets industry standards.
7.What is the process for return or replacement of TMS5701224BPGEQQ1?
All TMS5701224BPGEQQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TMS5701224BPGEQQ1, 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 TMS5701224BPGEQQ1 part is unused and in its original packaging.
Return procedure for TMS5701224BPGEQQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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