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Texas Instruments TMS5701115BPGEQQ1
- Part No.:
- TMS5701115BPGEQQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
TMS5701115BPGEQQ1.pdf
- Description:
- IC MCU 16/32BIT 1MB FLSH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,897
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Product details
Overview
TMS5701115BPGEQQ1 from Texas Instruments is an automotive-grade 32-bit RISC flash microcontroller featuring dual ARM Cortex-R4F CPUs in lockstep, 1 MB flash with ECC, 128 KB RAM with ECC, and integrated safety mechanisms including BIST, voltage/clock monitoring, and error signaling. It delivers 298 DMIPS at 180 MHz and targets real-time motor control and safety-critical systems such as electric power steering and braking.
For engineers reviewing the TMS5701115BPGEQQ1 datasheet, TMS5701115BPGEQQ1 pinout, TMS5701115BPGEQQ1 application, or TMS5701115BPGEQQ1 equivalent, key selection criteria include ASIL-D compliance support, dual-CPU lockstep architecture, N2HET timing coprocessor count, ePWM deadband generation capability, and FlexRay/DCAN interface availability for automotive networked control.
Technical Context
The TMS5701115BPGEQQ1 implements a safety-certified dual-core lockstep execution model where both Cortex-R4F CPUs execute identical instructions and compare results in real time. Its memory subsystem includes ECC-protected 1 MB flash and 128 KB SRAM, plus parity-protected peripheral memories including 64-word ADC buffers and message RAM.
Real-time peripherals include two N2HET modules (N2HET1 with 32 channels, N2HET2 with 18 channels), seven ePWM modules with trip-zone protection and synchronization to MibADC, six eCAP modules, two eQEP modules, and dual 12-bit MibADCs supporting up to 24 total analog inputs with shared channel mapping.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-R4F dual-core in lockstep, 180 MHz max, 298 DMIPS - enables ASIL-D compliant functional safety via hardware redundancy. |
| Flash Memory | 1 MB with ECC - supports safe firmware storage and over-the-air updates with single-bit correction/double-bit detection. |
| RAM | 128 KB SRAM with ECC - provides fault-tolerant data workspace for safety-critical runtime variables and stack. |
| N2HET Channels | 50 total (32 + 18) - delivers deterministic, software-programmable timing for sensor acquisition and actuator drive without CPU load. |
| ePWM Modules | 7 modules with deadband, trip zones, and ADC sync - enables precise, fail-safe motor phase control in EPS and inverter applications. |
| Communication Interfaces | 3 DCAN (CAN 2.0B), 2 MibSPI, 1 LIN, 1 I2C, 1 FlexRay (2-channel) - meets automotive networking requirements for distributed control and diagnostics. |
| Analog Peripherals | 2 × 12-bit MibADC (24 total inputs, 64-word parity buffers), 2 eQEP, 6 eCAP - supports high-resolution position/speed feedback and event capture in motion control. |
Pinout & Package
The TMS5701115BPGEQQ1 is housed in a 144-pin LQFP (PGE) package measuring 20.0 mm × 20.0 mm, lead-free and RoHS-compliant. Pin functions are multiplexed across GPIO, peripheral interfaces, and safety monitoring signals including nERROR and dedicated test/debug pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| nERROR | Error signaling output | Active-low open-drain fault indicator tied to ESM - asserts on uncorrectable memory errors, clock/voltage faults, or CPU mismatch. |
| N2HET1[31:0] | N2HET1 programmable I/O | 32 dedicated timing-capable pins for PWM generation, edge capture, or GPIO - supports complex waveform synthesis with HTU DMA transfers. |
| N2HET2[17:0] | N2HET2 programmable I/O | 18 additional timing I/O pins - extends deterministic timing resources for multi-sensor/multi-actuator systems. |
| AD1IN[7:0], AD2IN[7:0] | Analog input channels | 16 dedicated ADC inputs (8 per MibADC), with 8 shared - enables simultaneous sampling of motor phase currents, temperature, and voltage rails. |
| CAN1_RX / CAN1_TX | DCAN1 differential transceiver interface | Direct connection to external CAN transceiver - supports 1 Mbps robust communication for chassis control networks. |
| ECLK | External clock monitor output | Programmable low-frequency clock derived from VCLK - provides external verification of system clock integrity during safety checks. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-CPU Lockstep Architecture | Hardware-enforced instruction-level comparison between two Cortex-R4F cores - eliminates undetected CPU logic faults required for ISO 26262 ASIL-D compliance. |
| ECC on Flash and RAM | Single-bit error correction and double-bit error detection on all program and data memory - prevents silent data corruption in safety-critical code and variables. |
| Built-In Self-Test (BIST) | On-chip CPU and SRAM BIST engines - enables automated startup and periodic runtime diagnostics without external test equipment. |
| N2HET Timing Coprocessors | Two independent N2HET modules (32+18 channels) with HTU DMA - offloads precise timing tasks from CPU, reducing jitter and interrupt latency in motor control loops. |
| FlexRay + DCAN Integration | Dual-channel FlexRay controller plus three DCAN modules - supports mixed-criticality automotive networks: FlexRay for high-integrity x-by-wire, CAN for body/chassis subsystems. |
| Parameter Overlay Module (POM) | Runtime flash access redirection to RAM or EMIF - enables field calibration updates without flash reprogramming, preserving EEPROM emulation lifetime. |
Applications
| Electric Power Steering (EPS) | Braking Systems (ABS/ESC) |
|---|---|
|
Use Scenario: Real-time torque assist calculation and three-phase inverter gate drive for column-assist or rack-assist EPS units. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms, managing ePWM outputs with synchronized current sensing via MibADC. Use Value: Dual-CPU lockstep and ECC memory ensure fault-free execution under EMI-rich steering column environments; N2HET handles resolver excitation and feedback decoding deterministically. |
Use Scenario: Closed-loop hydraulic pressure modulation and wheel speed monitoring in anti-lock braking and electronic stability control modules. IC Role / Device Role / Timing Role: Central safety MCU coordinating DCAN network messages, processing ABS wheel speed signals via eQEP, and generating PWM valve drive signals. Use Value: 7 ePWM modules with trip-zone protection prevent unsafe valve actuation during fault conditions; BIST and ESM enable continuous self-checking per ISO 26262 requirements. |
| HEV/EV Inverter Control | Railway Traction Control |
|
Use Scenario: High-fidelity motor phase current sampling, SVM generation, and thermal management in hybrid/electric vehicle traction inverters. IC Role / Device Role / Timing Role: Real-time control unit interfacing with gate drivers, current sensors, and isolation interfaces - uses MibADC group sequencing and ePWM deadband for IGBT/SiC switching. Use Value: 24-channel MibADC with 64-word parity buffers ensures accurate, fault-tolerant current/voltage measurement; FMPLL with slip detector maintains clock integrity during grid disturbances. |
Use Scenario: Distributed propulsion control in mainline locomotives or metro trains, managing multiple traction motors and brake interlocks over train bus networks. IC Role / Device Role / Timing Role: Safety-certified master controller handling FlexRay-based train communication, eQEP-based axle speed monitoring, and DCAN-linked subsystem coordination. Use Value: Dual FlexRay channels provide redundant high-speed deterministic networking; 144-pin PGE package supports industrial-grade thermal dissipation and vibration resilience. |
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, 1.8 MB flash, 192 KB RAM, 2× N2HET (44 channels), EMAC interface | Supports Ethernet-connected safety gateways and higher peripheral density; not pin-compatible with PGE package | Select when requiring Ethernet connectivity, larger memory, or higher I/O count - requires PCB redesign due to BGA footprint. |
| TMS570LS0714PGE | Same 144-pin PGE package, lower frequency (160 MHz), 768 KB flash, 128 KB RAM, no FlexRay, 2× N2HET (40 channels) | Targeted at cost-optimized ASIL-B/C systems without FlexRay or full ASIL-D certification scope | Select for non-FlexRay applications where reduced flash and clock speed are acceptable - pin-compatible drop-in replacement with minor firmware tuning. |
Compared with TMS5701115BPGEQQ1, the TMS570LS1227ZWT offers greater memory and Ethernet but requires BGA layout changes, while the TMS570LS0714PGE retains the same PGE footprint and core safety features but omits FlexRay and reduces flash - making it suitable for less demanding ASIL-B designs without board revision.
Availability
TMS5701115BPGEQQ1 is available at Aetrix Electronics and suitable for electric power steering, braking systems, and HEV/EV inverter control requiring stable component supply across automotive production lifecycles.
Supply support for TMS5701115BPGEQQ1 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 ISO 26262 ASIL-D and IEC 61508 SIL-3 safety-critical applications, integrating lockstep CPUs, memory ECC, BIST, and fault-detection peripherals into a unified safety architecture.
FAQ
What safety certifications does the TMS5701115BPGEQQ1 support?
The TMS5701115BPGEQQ1 is architected to support ISO 26262 ASIL-D and IEC 61508 SIL-3 compliance through its dual-CPU lockstep execution, ECC-protected memory, built-in self-test (BIST), error signaling module (ESM), and voltage/clock monitoring. TI provides certified safety documentation including FMEDA reports and safety manuals - all required for TMS5701115BPGEQQ1-based system certification.
Does the TMS5701115BPGEQQ1 include FlexRay support?
Yes, the TMS5701115BPGEQQ1 integrates a dual-channel FlexRay controller compliant with FlexRay v2.1, including a dedicated FlexRay Transfer Unit (FTU) for autonomous DMA transfers between FlexRay message RAM and main memory. This enables deterministic, high-integrity communication for x-by-wire and safety-critical vehicle networks - a key differentiator versus non-FlexRay variants like TMS570LS0714PGE.
What is the maximum operating frequency of the TMS5701115BPGEQQ1?
The TMS5701115BPGEQQ1 operates at a maximum system clock frequency of 180 MHz, delivering up to 298 DMIPS performance via its ARM Cortex-R4F dual-core CPU. This frequency is sustained across the full automotive temperature range (–40°C to 125°C) under specified core (1.14–1.32 V) and I/O (3.0–3.6 V) supply conditions - confirmed in TI's SPNS189B datasheet Section 5.4.
How many analog inputs does the TMS5701115BPGEQQ1 support?
The TMS5701115BPGEQQ1 integrates two 12-bit Multibuffered ADC (MibADC) modules supporting up to 24 total analog inputs: MibADC1 has 24 dedicated channels, MibADC2 has 16 channels, with 8 inputs shared between them. Each MibADC includes 64-word result buffers with parity protection - enabling robust, synchronized sampling for motor current, voltage, and temperature sensing in TMS5701115BPGEQQ1-based control systems.
Is the TMS5701115BPGEQQ1 pin-compatible with other TMS570 devices?
The TMS5701115BPGEQQ1 shares the 144-pin LQFP (PGE) package with the TMS570LS0714PGE and TMS570LS0432PZ, but pin compatibility is limited to common power, ground, and basic I/O signals. Critical peripherals - including N2HET pin assignments, ADC input mappings, and FlexRay interface pins - differ across variants. Therefore, TMS5701115BPGEQQ1 is not a drop-in replacement; migration requires schematic and layout review per TI's Terminal Functions tables.
TMS5701115BPGEQQ1 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:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 128K 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:
TMS5701115BPGEQQ1 FAQ
1.How can I place an order for TMS5701115BPGEQQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS5701115BPGEQQ1 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 TMS5701115BPGEQQ1 reliable?
The price and inventory of TMS5701115BPGEQQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS5701115BPGEQQ1 is usually 5 days.
3.What payment methods are accepted for TMS5701115BPGEQQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS5701115BPGEQQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS5701115BPGEQQ1?
TMS5701115BPGEQQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS5701115BPGEQQ1 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 TMS5701115BPGEQQ1?
For technical support, including TMS5701115BPGEQQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS5701115BPGEQQ1 requirements.
6.How does Aetrix verify that TMS5701115BPGEQQ1 is sourced from the original manufacturer or authorized distributors?
All TMS5701115BPGEQQ1 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 TMS5701115BPGEQQ1 meets industry standards.
7.What is the process for return or replacement of TMS5701115BPGEQQ1?
All TMS5701115BPGEQQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TMS5701115BPGEQQ1, 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 TMS5701115BPGEQQ1 part is unused and in its original packaging.
Return procedure for TMS5701115BPGEQQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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