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Texas Instruments TMS5701227CZWTQQ1R
- Part No.:
- TMS5701227CZWTQQ1R
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 337-LFBGA
- Datasheet:
-
TMS5701227CZWTQQ1R.pdf
- Description:
- IC MCU 16/32B 1.25MB FLSH 337BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,410
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Product details
Overview
TMS5701227CZWTQQ1R from Texas Instruments is an automotive-grade 32-bit ARM Cortex-R4F safety microcontroller with dual lockstep CPUs, 1.25MB flash (ECC-protected), 192KB RAM (ECC-protected), and integrated safety features including BIST, error signaling, and voltage/clock monitoring - deployed in electric power steering, ABS/ESC, and HEV/EV inverter systems.
For engineers reviewing the TMS5701227CZWTQQ1R datasheet, TMS5701227CZWTQQ1R pinout, TMS5701227CZWTQQ1R application, or TMS5701227CZWTQQ1R equivalent, key selection criteria include ASIL-D compliance support, dual-CPU lockstep architecture, N2HET timing coprocessor capability, ePWM/eCAP/eQEP peripheral integration, and 337-ball NFBGA (ZWT) package compatibility.
Technical Context
The TMS5701227CZWTQQ1R implements a dual-core lockstep execution model where both Cortex-R4F CPUs run identical instructions and compare results in real time to detect transient or permanent faults. Its safety architecture includes on-chip BIST for CPU and RAM, ECC on flash and SRAM, parity on peripheral memories, and dedicated Error Signaling Module (ESM) with nERROR output pin.
It integrates two Next Generation High-End Timer (N2HET) modules - N2HET1 (32 channels) and N2HET2 (18 channels) - each with hardware angle generator, HTU for DMA-like transfers, and MPU-protected memory access. The device supports IEEE 802.3-compliant 10/100 Mbps Ethernet MAC with MII/RMII/MDIO, three DCAN controllers (CAN 2.0A/B), FlexRay dual-channel controller, and two 12-bit multibuffered ADCs (24 total inputs, 64-word parity-protected buffers).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F, 1.66 DMIPS/MHz, up to 180 MHz → delivers 298 DMIPS real-time deterministic performance for ASIL-D software stacks. |
| Memory | 1.25MB program flash with ECC + 192KB data RAM with ECC + 64KB emulated EEPROM with ECC → ensures integrity of code, runtime data, and calibration storage. |
| Safety Features | Dual lockstep CPUs, CPU/RAM BIST, ESM with nERROR pin, voltage/clock monitors → enables ISO 26262 ASIL-D system-level certification. |
| Timing Peripherals | 7 ePWM modules (14 outputs), 6 eCAP, 2 eQEP, 2 N2HETs (50 total programmable channels) → supports complex motor control, sensor capture, and high-precision actuator timing. |
| Analog Interface | Two 12-bit MibADCs: ADC1 (24 channels), ADC2 (16 shared), 64-word parity-protected buffers each → enables synchronized sampling across multiple sensors with fault detection. |
| Communication | 3× DCAN (1 Mbps), 1× FlexRay (10 Mbps ×2), 1× EMAC (MII/RMII/MDIO), 3× MibSPI, 2× SPI, 1× I2C, 2× SCI (1 LIN-capable) → meets automotive domain controller interconnect requirements. |
| Package | 337-ball NFBGA (ZWT), 16.0 mm × 16.0 mm, 0.8 mm pitch → supports high I/O count and thermal management in compact automotive ECUs. |
Pinout & Package
337-ball NFBGA (ZWT) package with 0.8 mm ball pitch, 16.0 mm × 16.0 mm body size, and RoHS-compliant green finish. Ball map defined per TI SPNS192B Section 4.2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| nERROR | Error signaling output | Active-low open-drain fault indicator tied to external safety monitor or watchdog; asserted by ESM on detected internal error. |
| VCC, VCCIO | Power supply rails | VCC = 1.14–1.32 V core supply; VCCIO = 3.0–3.6 V I/O supply - requires separate low-noise regulation for functional safety compliance. |
| N2HET1[31:0], N2HET2[17:0] | High-end timer I/O | 50 total configurable pins for PWM generation, edge capture, quadrature decoding, or GPIO - each with programmable slew rate and pull-up/down. |
| ePWMxA/ePWMxB | PWM output pair | Complementary high-side/low-side gate drive outputs with programmable deadband and trip-zone protection for inverter FET control. |
| AD1IN[23:0], AD2IN[15:0] | ADC analog inputs | 24 dedicated + 16 shared analog input channels supporting simultaneous sampling and hardware-triggered sequences for motor current/voltage sensing. |
| DCAN1_TX/DCAN1_RX | CAN bus interface | Differential transceiver pins compliant with ISO 11898-1; support bit rates up to 1 Mbps with built-in message RAM (64 mailboxes, parity protected). |
Key Features
| Feature | Design Value |
|---|---|
| Dual lockstep Cortex-R4F CPUs | Hardware-enforced instruction-by-instruction comparison with automatic fault containment - foundational for ASIL-D software partitioning and diagnostic coverage. |
| ECC-protected 1.25MB flash | Single-bit error correction and double-bit error detection on all program memory - prevents silent corruption of boot code and safety-critical firmware. |
| Two N2HET coprocessors | Offloads precise timing tasks (e.g., resolver excitation, PWM synchronization, encoder interpolation) from main CPU - reduces jitter and improves real-time determinism. |
| Three DCAN controllers | Independent CAN 2.0A/B interfaces with dedicated message RAM and parity protection - enables redundant communication paths or multi-domain networking (chassis, powertrain, battery). |
| Parameter Overlay Module (POM) | Redirects flash read accesses to RAM or EMIF during runtime - allows field updates of calibration parameters without flash reprogramming or system reset. |
Applications
| Electric Power Steering (EPS) | Braking Systems (ABS/ESC) |
|---|---|
Use Scenario: Real-time torque assist calculation and three-phase inverter control for column- or rack-mounted EPS motors. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL-D motor control algorithms, managing ePWM deadtime, sampling current sensors via MibADC, and communicating over CAN to vehicle network. Use Value: Dual lockstep CPU and ECC memory ensure fail-safe torque limiting; N2HET handles resolver feedback timing with sub-microsecond accuracy. | Use Scenario: Pressure modulation and wheel-speed-based slip control in hydraulic brake actuators with redundancy requirements. IC Role / Device Role / Timing Role: Safety-critical controller coordinating solenoid valve timing, reading wheel speed sensors via eQEP/eCAP, and validating sensor health using BIST and ECC. Use Value: Integrated eQEP modules directly interface with ABS wheel speed sensors; DCAN controllers enable redundant communication with master brake ECU. |
| HEV/EV Inverter Control | Railway Traction Control |
Use Scenario: High-frequency switching control of IGBT/SiC modules in traction inverters with thermal derating and fault response. IC Role / Device Role / Timing Role: Main inverter controller running SVM/PWM algorithms, monitoring DC-link voltage/current, and enforcing trip-zone shutdown on overcurrent or overtemperature events. Use Value: Seven ePWM modules support interleaved carrier-based modulation; eCAP captures fast overcurrent signals with <100 ns latency for hardware-level shutdown. | Use Scenario: Distributed control of asynchronous traction motors in rail vehicles requiring SIL-3/4 compliance and electromagnetic harshness resilience. IC Role / Device Role / Timing Role: Safety-certified motion controller interfacing with resolvers, managing field-oriented control loops, and exchanging status via FlexRay backbone. Use Value: FlexRay dual-channel controller provides deterministic 10 Mbps communication with fault-tolerant physical layer; N2HET generates resolver excitation waveforms with hardware angle tracking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TC297TP128F200NACXUMA1 | TriCore™ AURIX™ TC297 with 200 MHz TriCore CPU, 4 MB flash, 512 KB RAM, and ASIL-D support - lacks FlexRay but adds HSM security module. | Preferred for secure gateway or domain controller roles requiring cryptographic acceleration; less optimal for pure motor control due to lower ePWM channel count. | Select when hardware security (HSM) and larger memory are prioritized over FlexRay or resolver timing precision. |
| S32K144HAT0MLHT | NXP S32K144 with ARM Cortex-M4F, 1 MB flash, 128 KB RAM, ASIL-B certified - no dual lockstep CPU or N2HET; uses standard timers and PWM. | Suitable for non-ASIL-D body electronics or auxiliary control; cannot replace TMS5701227CZWTQQ1R in primary powertrain safety chains. | Select only for cost-sensitive, lower-safety-tier applications where full ASIL-D decomposition is not required. |
Compared with TC297TP128F200NACXUMA1 and S32K144HAT0MLHT, the TMS5701227CZWTQQ1R uniquely combines lockstep R4F execution, N2HET timing offload, and FlexRay+CAN+Ethernet connectivity - making it irreplaceable in high-integrity motor control domains where hardware-level timing assurance and multi-protocol networking are mandatory.
Availability
TMS5701227CZWTQQ1R 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 qualification documentation.
Supply support for TMS5701227CZWTQQ1R 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 headquartered in Dallas, Texas, specializing in analog, embedded processing, and automotive ICs with over 50 years of automotive qualification experience.
The TMS570 Hercules™ family was designed specifically for ISO 26262 ASIL-D and IEC 61508 SIL-3 safety-critical automotive and industrial control applications - emphasizing lockstep processing, memory integrity, and self-test capability.
FAQ
What safety certifications does the TMS5701227CZWTQQ1R support?
The TMS5701227CZWTQQ1R supports ISO 26262 ASIL-D at the hardware level through dual lockstep Cortex-R4F CPUs, ECC on flash and RAM, BIST logic, ESM with nERROR pin, and voltage/clock monitoring. It is qualified for automotive use per AEC-Q100 Grade 1 and provides FMEDA reports, safety manuals, and diagnostic software libraries to accelerate ASIL-D system certification. The TMS5701227CZWTQQ1R itself is not "certified" - certification applies to the final system - but its architecture enables compliant implementation.
Does the TMS5701227CZWTQQ1R include hardware security features like a secure boot or HSM?
The TMS5701227CZWTQQ1R does not include a Hardware Security Module (HSM) or cryptographic accelerators. It supports secure boot via flash lock bits, memory protection unit (MPU), and JTAG security (AJSM) to prevent unauthorized debug access. Secure firmware update relies on external authentication and signature verification implemented in application software. For applications requiring AES/SHA acceleration or key vaulting, the TMS5701227CZWTQQ1R must be paired with a companion security IC - unlike devices such as the TC297 which integrate HSM.
What is the maximum operating frequency and power supply requirement for the TMS5701227CZWTQQ1R?
The TMS5701227CZWTQQ1R operates at up to 180 MHz system clock frequency. It requires two independent power supplies: VCC (core voltage) at 1.14–1.32 V and VCCIO (I/O voltage) at 3.0–3.6 V. These rails must be independently regulated and sequenced per TI's power-on-reset specification (nPORRST timing and voltage ramp requirements). The device draws approximately 350 mA typical at 180 MHz under full peripheral load, with dynamic voltage scaling supported via FMPLL and GCM clock management.
Can the TMS5701227CZWTQQ1R support resolver-to-digital conversion without external circuitry?
The TMS5701227CZWTQQ1R does not integrate a dedicated R/D converter, but its N2HET modules provide hardware-level resolver excitation waveform generation and angle tracking via the built-in hardware angle generator. When paired with external signal conditioning (e.g., AD2S1210 or discrete op-amp circuitry), the N2HET can precisely time excitation and sample feedback signals, while eCAP/eQEP modules capture zero-crossings for digital angle computation in firmware. This architecture avoids external R/D ICs in cost-constrained designs while maintaining sub-arcminute accuracy.
Is the TMS5701227CZWTQQ1R pin-compatible with other members of the TMS570LS1227 family?
Yes - the TMS5701227CZWTQQ1R shares the same 337-ball ZWT package and pinout with the TMS570LS1227ZWT, as confirmed in TI SPNS192B Table 1-1 and Section 4.2 (ZWT ball map). All ZWT variants (including Q1 automotive grade) maintain identical terminal functions, power/ground ball placement, and peripheral pin assignments. However, differences exist in temperature range, screening, and qualification documentation - the TMS5701227CZWTQQ1R is AEC-Q100 Grade 1 qualified and specified for −40°C to 125°C ambient operation.
TMS5701227CZWTQQ1R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 337-LFBGA
- Series:
- Hercules™ TMS570 ARM® Cortex®-R
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-R4F
- Core Size:
- 16/32-Bit
- Speed:
- 180MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, FlexRay, I2C, LINbus, MibSPI, SPI, UCI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 101
- 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 ~ 1.32V
- 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:
TMS5701227CZWTQQ1R FAQ
1.How can I place an order for TMS5701227CZWTQQ1R through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS5701227CZWTQQ1R 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 TMS5701227CZWTQQ1R reliable?
The price and inventory of TMS5701227CZWTQQ1R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS5701227CZWTQQ1R is usually 5 days.
3.What payment methods are accepted for TMS5701227CZWTQQ1R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS5701227CZWTQQ1R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS5701227CZWTQQ1R?
TMS5701227CZWTQQ1R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS5701227CZWTQQ1R 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 TMS5701227CZWTQQ1R?
For technical support, including TMS5701227CZWTQQ1R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS5701227CZWTQQ1R requirements.
6.How does Aetrix verify that TMS5701227CZWTQQ1R is sourced from the original manufacturer or authorized distributors?
All TMS5701227CZWTQQ1R 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 TMS5701227CZWTQQ1R meets industry standards.
7.What is the process for return or replacement of TMS5701227CZWTQQ1R?
All TMS5701227CZWTQQ1R units undergo pre-shipment inspection (PSI). If there is an issue with TMS5701227CZWTQQ1R, 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 TMS5701227CZWTQQ1R part is unused and in its original packaging.
Return procedure for TMS5701227CZWTQQ1R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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