TMS5701224CPGEQQ1 - Hercules Safety MCU, 160MHz R4F, 1.25MB Flash | Texas Instruments
MPN： TMS5701224CPGEQQ1 ✓ 啟用中TMS5701224CPGEQQ1 概覽
A safety MCU (Microcontroller Unit) is a processor IC that integrates a CPU, Flash, SRAM and safety peripherals with built-in diagnostic and redundancy features designed to meet functional-safety requirements such as ISO 26262 (ASIL-D) or IEC 61508 (SIL 3). Within the broader system hierarchy, the TMS5701224CPGEQQ1 belongs to the MCU -> microcontroller -> embedded processor -> semiconductor IC category. It is engineered specifically for safety-critical applications where single-point faults must be detected and the system must remain in a safe state under hardware fault conditions.
Key differentiating features include dual ARM Cortex-R4F CPUs operating in lockstep for fault detection, parity and ECC on Flash and SRAM, dedicated Built-In Self-Test (BIST) logic for CPU and memory, loopback capability on peripheral I/Os, an integrated Floating Point Unit (FPU), two 12-bit ADC modules with up to 24 channels, three CAN controllers, multiple LIN/UART/SPI/I2C ports, and an Enhanced Pulse Width Modulation (ePWM) module for motor and power-conversion control.
From a technical depth perspective, the lockstep CPU compares outputs of two parallel cores cycle-by-cycle; any divergence triggers an error reaction within one clock, enabling ASIL-D systematic capability and hardware fault coverage. The ECC on Flash uses Single-Error Correction / Double-Error Detection (SECDED) while SRAM uses single-error correction for transient and permanent fault detection. The 1.25 MB Flash is split into a 1 MB program bank plus a 256 KB data Flash region for EEPROM emulation.
Typical applications include automotive Electric Power Steering (EPS), Electronic Stability Control (ESC), Anti-lock Braking Systems (ABS), Advanced Driver Assistance Systems (ADAS) sensor fusion, Battery Management Systems (BMS), industrial Safety PLCs, and railway signaling where functional-safety certification is mandatory.
When designing with this device, allocate a 4-layer PCB stackup with a continuous ground plane beneath the LQFP to dissipate the typical 1-2 W dissipation; route JTAG and trace signals on inner layers to avoid coupling on the safety island. Always use TI's SafeTI Diagnostic Library to validate IEC 61508 and ISO 26262 compliance claims for your end-equipment safety case.
This page synthesizes distributor pricing, drop-in Hercules family alternatives, and practical design notes not consolidated in the TI datasheet alone, giving safety engineers a faster path from part selection to ASIL-D certification.
直接替換替代品，適用於 TMS5701224CPGEQQ1 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： TMS5701224CPGEQQ1 （相同外形與佔位） — 差異在於 ADC, Core Architecture, Functional Safety, Series.
TMS5701114BPGEQQ1
✅ 直接替換📋 參考替代品（不在目錄中）
TMS5701227CPGEQQ1
✅ 直接替換聯絡詢價
查看資料表 →TMS5702124CPGEQQ1
✅ 直接替換📋 參考替代品（不在目錄中）
TMS5701224CPGEQQ1
✅ 直接替換聯絡詢價
查看資料表 →TMS5701224BPGETQ1
✅ 直接替換📋 參考替代品（不在目錄中）
TMS5701224CPGEQQ1 最大額定值與電氣特性
| Manufacturer | Texas Instruments |
| Series | Hercules TMS570LS1224 |
| Core Architecture | ARM Cortex-R4F (dual lockstep + FPU) |
| CPU Width | 16/32-bit |
| 最大時脈頻率 | 160 MHz |
| Program Flash Memory | 1.25 MB (1.25M x 8) |
| Data EEPROM / Flash | 64 KB |
| SRAM | 192 KB |
| ADC | 2 x 12-bit, up to 24 channels |
| CAN Controllers | 3 x DCAN |
| UART / LIN / SPI / I2C | Multiple (LIN + SCI + SPI + I2C peripherals) |
| GPIOs | 101 |
| Operating Voltage | 1.14 V to 3.6 V core, 3.3 V / 5 V tolerant I/O |
| 工作溫度 | -40 C to +125 C (automotive Grade 1) |
| 封裝 | 144-LQFP (PGE) 20x20 mm |
| 安裝類型 | Surface Mount |
| MSL 等級 | 3 (168 hours) |
| AEC-Q100 Qualification | Yes |
| Functional Safety | ASIL-D / SIL 3 capable (with SafeTI library) |
| RoHS 狀態 | Compliant |
TMS5701224CPGEQQ1 144-lqfp (pge) 20x20 mm 腳位配置指南
TMS5701224CPGEQQ1（144-lqfp (pge) 20x20 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： TMS5701224CPGEQQ1.
請參閱 資料表 以查看完整腳位配置。
典型應用
TMS5701224CPGEQQ1 適用於 6 應用s: Electric Power Steering (EPS), Electronic Stability Control (ESC) / Anti-Lock Braking System (ABS), Battery Management System (BMS) for xEV, Advanced Driver Assistance (ADAS) Sensor Fusion, Industrial Safety PLC (SIL 3 / IEC 61508), Railway Signaling and Traction Control.
Electric Power Steering (EPS)
The TMS5701224CPGEQQ1's dual ARM Cortex-R4F lockstep cores at 160 MHz, ECC-protected 1.25 MB Flash, and AEC-Q100 Grade 1 qualification make it a strong fit for column-assist and rack-assist EPS ECUs. The integrated 12-bit ADC with up to 24 channels samples torque and angle sensors at 1 MSPS each, while the ePWM module drives the assist motor at 20 kHz with deterministic latency. ASIL-D capability comes from the lockstep CPU and parity on Flash/SRAM, satisfying ISO 26262 systematic requirements for steering systems that must remain safe under single-point hardware faults.
推薦
Electronic Stability Control (ESC) / Anti-Lock Braking System (ABS)
In ESC and ABS ECUs the TMS5701224CPGEQQ1 runs chassis-control loops with deterministic 160 MHz performance and ASIL-D lockstep CPU/ECC memory. The three DCAN controllers stream wheel-speed and yaw-rate data while the dual 12-bit ADCs sample brake-pressure and lateral-acceleration sensors. The 1.25 MB Flash hosts the SafeTI Diagnostic Library and ISO 26262-compliant application code, while the 192 KB SRAM supports real-time control tables without bus contention. AEC-Q100 Grade 1 ensures the MCU operates reliably across under-hood temperatures from -40 C to +125 C.
推薦
Battery Management System (BMS) for xEV
The TMS5701224CPGEQQ1 manages cell-voltage monitoring, state-of-charge estimation and contactor control in automotive high-voltage battery packs. Its lockstep Cortex-R4F core and ECC-protected 1.25 MB Flash provide ASIL-D capability required by ISO 26262 for traction-battery systems, while the two 12-bit ADCs sample up to 24 cell voltages with simultaneous sampling. The 192 KB SRAM hosts lookup tables for cell-balancing algorithms, and the three CAN interfaces link to the vehicle CAN-FD bus for pack telemetry.
推薦
Advanced Driver Assistance (ADAS) Sensor Fusion
In ADAS domain controllers the TMS5701224CPGEQQ1 pre-processes radar and camera sensor data with deterministic 160 MHz Cortex-R4F compute and ASIL-D capable lockstep. The 1.25 MB Flash stores the SafeTI library plus sensor-fusion firmware, while the 192 KB SRAM buffers raw sensor frames before passing them to higher-performance SoCs. AEC-Q100 Grade 1 qualification supports under-hood mounting, and the multiple SPI/I2C ports connect to radar front-ends and camera serializers via dedicated DMA channels.
推薦
Industrial Safety PLC (SIL 3 / IEC 61508)
Beyond automotive use, the TMS5701224CPGEQQ1 powers SIL 3 capable industrial safety PLCs and emergency-stop controllers. Its lockstep Cortex-R4F with FPU executes deterministic safety logic in IEC 61131-3 environments, while ECC-protected Flash/SRAM delivers the diagnostic coverage required by IEC 61508. The three CAN interfaces support industrial CANopen Safety protocols, and the AEC-Q100 Grade 1 temperature range tolerates factory-floor cabinet temperatures to +125 C. The 144-LQFP PGE package provides high pin count for numerous safety I/O banks.
推薦
Railway Signaling and Traction Control
In EN 50128 / SIL 4 railway applications the TMS5701224CPGEQQ1 runs interlocking logic, on-board diagnostics and train-control firmware. The lockstep Cortex-R4F with ECC memory provides the hardware fault coverage required for SIL 3 subsystems, while the wide 1.25 MB Flash hosts IEC 61131-3 or C-coded safety applications. AEC-Q100 Grade 1 temperature range plus the rugged 144-LQFP PGE package supports undercarriage mounting in rolling stock, and the three CAN interfaces stream signaling data to onboard controllers.
推薦
推薦產品摘要
工程參考資料，適用於 TMS5701224CPGEQQ1 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | TMS5701114BPGEQQ1 | TMS5701227CPGEQQ1 | TMS5702124CPGEQQ1 |
|---|---|---|---|---|
| Package | 144-LQFP (PGE) 20x20 mm | 144-LQFP (PGE) - same | 144-LQFP (PGE) - same | 144-LQFP (PGE) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Core | Dual Cortex-R4F lockstep + FPU | Dual Cortex-R4F lockstep + FPU | Dual Cortex-R4F lockstep + FPU | Dual Cortex-R4F lockstep + FPU |
| Max Clock Frequency | 160 MHz | 160 MHz | 160 MHz | 180 MHz (+12.5%) |
| Program Flash | 1.25 MB | 1 MB (-20%) | 1.5 MB (+20%) | 1.25 MB (same) |
| SRAM | 192 KB | 192 KB | 192 KB | 192 KB |
| AEC-Q100 | Yes (Grade 1) | Yes (Grade 1) | Yes (Grade 1) | Yes (Grade 1) |
| Functional Safety | ASIL-D capable (with SafeTI lib) | ASIL-D capable (with SafeTI lib) | ASIL-D capable (with SafeTI lib) | ASIL-D capable (with SafeTI lib) |
主要差異化特點
- Dual lockstep Cortex-R4F core with FPU at 160 MHz (對比STM32F207ZGT6)
- 1.25 MB Flash with SECDED ECC vs 1 MB without (對比STM32F207ZGT6)
- AEC-Q100 Grade 1 + ASIL-D safety collateral (對比TMS5700432APZQQ1)
設計說明
Estimated: at 160 MHz with both lockstep cores active and peripheral DMA running, the core current draw reaches approximately 250 mA from the 1.2 V rail and 35 mA from the 3.3 V I/O rail. Use TI's TPS7A4701RGWR or TPS7A4700RGWR LDO with at least 600 mA headroom and 22 uF bulk + 100 nF HF decoupling within 5 mm of each VDD pin pair to keep ripple under 10 mVpp and avoid brown-out resets.
Estimated: at maximum operating current (250 mA core + 35 mA I/O) the dissipation is approximately 380 mW; on a 4-layer JEDEC JESD51-7 PCB the LQFP-144 theta_JA is around 28 C/W, producing a 11 C temperature rise above ambient. This leaves significant thermal margin to the +125 C AEC-Q100 Grade 1 limit, but in a sealed enclosure at +70 C ambient, recommend a 1 square-inch copper pour on the top layer exposed pad region.
Route JTAG (TCK, TMS, TDI, TDO, TRST, RTCK) on inner layers with ground shielding to keep them isolated from noisy ePWM traces near pins 60-90. The CAN signals require split termination (60 ohm + 22 nF) at each node; route them as differential pairs with 120 ohm impedance. Place the 16 MHz crystal within 5 mm of OSCIN/OSCOUT pins and guard the traces with a ground ring to minimize jitter.
The two 12-bit ADC modules are sensitive to digital switching noise; reference the TI Hercules application note SPNU563 for ADC grounding. Use separate AGND and DGND planes joined at a single point beneath the MCU, and add a 100 nF + 10 uF capacitor pair on each ADCVDD/ADCVSS pin pair to achieve the 1 MSPS throughput without channel-to-channel crosstalk exceeding 1 LSB.
Do not skip the SafeTI Diagnostic Library - without it the lockstep CPU and ECC protections cannot be certified for ASIL-D. Always configure the error-correcting pins ESM (Error Signaling Module) before enabling interrupts, and tie nPORRST to the TPS3808G09DBVR supervisory circuit for a clean cold-start reset that meets AEC-Q100 Grade 1 requirements.
合規資訊
AEC-Q100 Grade 1 automotive qualified per TI product page. RoHS and REACH compliant. ASIL-D capable when paired with SafeTI Diagnostic Library; SIL 3 capable per IEC 61508.
