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Texas Instruments TMS5701225BPGEQQ1
- Part No.:
- TMS5701225BPGEQQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
TMS5701225BPGEQQ1.pdf
- Description:
- IC MCU 16/32BIT 1.25MB 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,276
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Product details
Overview
TMS5701225BPGEQQ1 from Texas Instruments is an automotive-grade 32-bit RISC flash microcontroller with dual lockstep ARM Cortex-R4F CPUs, 1.25 MB ECC-protected flash, 192 KB ECC RAM, and integrated safety features including BIST, error signaling, and voltage/clock monitoring - deployed in electric power steering and ABS systems.
For engineers reviewing the TMS5701225BPGEQQ1 datasheet, TMS5701225BPGEQQ1 pinout, TMS5701225BPGEQQ1 application, or TMS5701225BPGEQQ1 equivalent, key selection criteria include ASIL-D compliance support, dual-CPU lockstep execution integrity, N2HET timing coprocessor count, ePWM channel availability, and 144-pin LQFP (PGE) package compatibility for automotive control board layouts.
Technical Context
The TMS5701225BPGEQQ1 implements a dual-core lockstep architecture where both Cortex-R4F CPUs execute identical instructions and compare results in real time to detect transient faults. Its FMPLL and nonmodulating PLL provide independent clock domains for core, peripheral, and safety subsystems.
It integrates two N2HET modules (N2HET1 with 32 channels, N2HET2 with 18 channels), seven ePWM modules supporting high-side/low-side switching with trip-zone protection, six eCAP modules, two eQEP modules, and two 12-bit MibADCs with 24 total inputs and 64-word parity-protected buffers each.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F, 1.66 DMIPS/MHz, up to 180 MHz (298 DMIPS) |
| Flash Memory | 1.25 MB with ECC, supports 3.3-V I/O supply for all operations |
| RAM | 192 KB SRAM with ECC and single-cycle access across full frequency range |
| N2HET Channels | 50 total (32 on N2HET1 + 18 on N2HET2), programmable for PWM, capture, or GPIO |
| ePWM Outputs | 14 outputs across 7 modules, with deadband generation and synchronization to MibADC |
| MibADC Inputs | 24-channel total (16 shared), 12-bit resolution, 10-bit mode available for speed or legacy compatibility |
| Safety Features | Dual-CPU lockstep, CPU/RAM BIST, ECC on flash/RAM, parity on peripheral memories, ESM with nERROR pin |
Pinout & Package
Package: 144-pin LQFP (PGE), green RoHS-compliant, 20.0 mm × 20.0 mm body size, 0.5-mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Core supply input | 1.14–1.32 V; powers CPU, memory, and internal logic; requires tight regulation |
| VCCIO | I/O supply input | 3.0–3.6 V; powers all digital I/O banks, FlexRay, CAN, and ADC reference circuitry |
| nRST | Warm reset input | Active-low asynchronous reset; initiates warm reset sequence without power cycle |
| nERROR | Error signaling output | Open-drain active-low fault indicator driven by Error Signaling Module (ESM) |
| ECLK | External clock monitor output | Programmable low-frequency output derived from VCLK; used for external frequency validation |
| GIOA[7:0] | General-purpose I/O bank A | 8 configurable pins with interrupt capability; multiplexed with JTAG, N2HET, and ePWM functions |
| CAN1_TX / CAN1_RX | Controller Area Network channel 1 | Differential CAN 2.0B interface; supports up to 1 Mbps; integrated transceiver not included |
| AD1IN[0] | Analog input channel 1 | First of 24 MibADC1 inputs; supports 12-bit conversion with programmable sample window |
Key Features
| Feature | Design Value |
|---|---|
| Dual-CPU Lockstep Execution | Real-time comparison of CPU outputs detects transient faults; enables ASIL-D system-level compliance |
| FMPLL with Slip Detector | Frequency-modulated PLL provides robust clock generation with built-in slip detection for fail-safe clock monitoring |
| N2HET Timing Coprocessors | Two independent N2HET modules offload complex timing tasks (e.g., motor commutation, sensor sampling) from main CPU |
| ePWM with Trip-Zone Protection | Hardware-enforced shutdown of PWM outputs upon fault detection (e.g., overcurrent, overtemperature) |
| Parameter Overlay Module (POM) | Enables runtime re-mapping of flash accesses to RAM or EMIF for calibration parameter updates without flash reprogramming |
| FlexRay Controller (2-channel) | Supports deterministic, time-triggered communication at 10 Mbps per channel; includes dedicated FTU for autonomous memory transfers |
Applications
| Electric Power Steering (EPS) | Braking Systems (ABS/ESC) |
|---|---|
Use Scenario: Real-time torque assist calculation and three-phase inverter control for brushless DC motors in column-assist and rack-assist EPS units. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D software, managing ePWM-driven gate drivers, and synchronizing MibADC current/voltage sampling. Use Value: Dual-CPU lockstep and ECC memory ensure fault-free operation during critical torque assist; N2HET handles precise commutation timing independent of CPU load. |
Use Scenario: Closed-loop hydraulic pressure modulation and wheel-speed-based slip control in anti-lock braking and electronic stability control modules. IC Role / Device Role / Timing Role: Central safety MCU coordinating CAN/FlexRay comms with brake ECUs, processing wheel speed signals via eQEP, and triggering ePWM-controlled solenoid valves. Use Value: Integrated eQEP and ePWM with trip-zone enable sub-microsecond response to wheel lock events; ESM-driven nERROR pin triggers immediate system fail-safe state. |
| HEV/EV Inverter Control | Battery Management Systems (BMS) |
Use Scenario: High-fidelity motor phase current sensing, thermal monitoring, and IGBT/SiC gate drive sequencing in traction inverters for hybrid and battery-electric vehicles. IC Role / Device Role / Timing Role: Safety-certified real-time controller interfacing with isolated current sensors, driving gate drivers via ePWM, and communicating via DCAN/FlexRay. Use Value: 12-bit MibADC with 24-channel scan and 64-word buffer enables simultaneous multi-sensor acquisition; FMPLL slip detection prevents timing faults under voltage transients. |
Use Scenario: Cell voltage, temperature, and isolation monitoring with centralized safety arbitration and communication to vehicle gateway in high-voltage battery packs. IC Role / Device Role / Timing Role: Secondary safety controller performing periodic BIST, validating cell measurements via CRC-checked CAN messages, and asserting nERROR on fault escalation. Use Value: On-chip BIST and ECC RAM allow runtime self-test of safety-critical firmware; 64 KB emulated EEPROM stores calibrated thresholds and fault logs with ECC protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS570LS1227ZWT | 337-ball BGA package; higher pin count (44 N2HET channels vs. 40); same CPU, memory, and peripheral set | Preferred for space-constrained PCBs requiring more I/O or N2HET flexibility; not pin-compatible with PGE package | Select when board layout allows BGA and additional N2HET channels or ADC inputs are needed. |
| TMS570LS0714PGE | Same 144-pin PGE package; lower frequency (160 MHz), reduced flash (768 KB), no FlexRay, only 2 eCAP modules | Targeted at cost-sensitive ASIL-B/C applications where FlexRay and full N2HET count are unnecessary | Choose for non-FlexRay automotive control nodes where functional safety level is ASIL-B and compute demand is lower. |
Compared with TMS5701225BPGEQQ1, the TMS570LS1227ZWT offers greater I/O scalability in BGA form but requires PCB redesign, while the TMS570LS0714PGE retains pin compatibility and reduces cost and feature set - making it suitable for derivative designs where FlexRay and maximum N2HET capacity are omitted.
Availability
TMS5701225BPGEQQ1 is available at Aetrix Electronics and suitable for electric power steering, braking systems, and HEV/EV inverter control requiring stable component supply across long-life automotive programs.
Supply support for TMS5701225BPGEQQ1 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, delivering analog and embedded processing solutions for automotive, industrial, and communications markets.
The TMS570 Hercules™ family was designed specifically for ASIL-D and SIL-3 safety-critical applications, combining lockstep CPU redundancy, memory ECC, and hardware self-test to meet ISO 26262 and IEC 61508 requirements.
FAQ
What safety certifications does the TMS5701225BPGEQQ1 support?
The TMS5701225BPGEQQ1 is architected to support ISO 26262 ASIL-D and IEC 61508 SIL-3 compliance through integrated hardware safety mechanisms: dual lockstep CPUs, memory BIST, ECC on flash and RAM, parity on peripheral memories, and an Error Signaling Module with dedicated nERROR pin. TI provides safety manuals, FMEDA reports, and diagnostic software libraries to accelerate certification of systems using the TMS5701225BPGEQQ1.
Does the TMS5701225BPGEQQ1 include an integrated CAN transceiver?
No, the TMS5701225BPGEQQ1 integrates three DCAN controllers compliant with CAN 2.0A/B protocols but does not include physical-layer transceivers. External CAN transceivers (e.g., TCAN1042, SN65HVD230) must be used on the board for bus connection. The TMS5701225BPGEQQ1 provides CAN1_TX/CAN1_RX and other differential signal pairs that connect directly to transceiver inputs/outputs.
What is the maximum operating frequency of the TMS5701225BPGEQQ1?
The TMS5701225BPGEQQ1 operates at up to 180 MHz system clock frequency, delivering up to 298 DMIPS performance. This frequency is supported across its full operating temperature range (–40°C to 125°C ambient) and requires stable 1.14–1.32 V core supply (VCC) and 3.0–3.6 V I/O supply (VCCIO). The FMPLL and nonmodulating PLL enable flexible clock domain configuration for safety partitioning.
How many N2HET channels does the TMS5701225BPGEQQ1 provide in the PGE package?
The TMS5701225BPGEQQ1 in the 144-pin LQFP (PGE) package provides 40 N2HET channels: 32 on N2HET1 and 18 on N2HET2, with 10 channels shared or multiplexed per package constraints. This matches the specification for the TMS570LS1225PGE variant confirmed in TI's SPNS191B datasheet Table 3-1 and Section 4.1 (PGE QFP Pinout).
Is the TMS5701225BPGEQQ1 pin-compatible with other TMS570LS1225 variants?
Yes, the TMS5701225BPGEQQ1 is functionally and pin-compatible with the TMS570LS1225PGE - the "B" suffix denotes automotive qualification (AEC-Q100 Grade 1), and "QQ1" indicates automotive-grade packaging and traceability. Both share identical 144-pin LQFP (PGE) mechanical footprint, pin functions, and electrical characteristics per TI's official documentation.
TMS5701225BPGEQQ1 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, FlexRay, I2C, LINbus, MibSPI, SCI, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 58
- 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:
TMS5701225BPGEQQ1 FAQ
1.How can I place an order for TMS5701225BPGEQQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS5701225BPGEQQ1 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 TMS5701225BPGEQQ1 reliable?
The price and inventory of TMS5701225BPGEQQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS5701225BPGEQQ1 is usually 5 days.
3.What payment methods are accepted for TMS5701225BPGEQQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS5701225BPGEQQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS5701225BPGEQQ1?
TMS5701225BPGEQQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS5701225BPGEQQ1 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 TMS5701225BPGEQQ1?
For technical support, including TMS5701225BPGEQQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS5701225BPGEQQ1 requirements.
6.How does Aetrix verify that TMS5701225BPGEQQ1 is sourced from the original manufacturer or authorized distributors?
All TMS5701225BPGEQQ1 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 TMS5701225BPGEQQ1 meets industry standards.
7.What is the process for return or replacement of TMS5701225BPGEQQ1?
All TMS5701225BPGEQQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TMS5701225BPGEQQ1, 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 TMS5701225BPGEQQ1 part is unused and in its original packaging.
Return procedure for TMS5701225BPGEQQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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