TMS320F28346-Q1 - 300MHz C2000 Delfino MCU | Texas Instruments
MPN： TMS320F28346-Q1 ✓ 啟用中TMS320F28346-Q1 概覽
A microcontroller (MCU) is a compact integrated circuit designed to execute a specific application. It typically contains a processor core, memory, and programmable input/output peripherals. In the system hierarchy, an MCU is a type of digital signal processor-capable computing device that bridges the gap between simple microprocessors and full SoCs. The C2000 series specializes in real-time control, positioning this device in the power management IC and industrial automation domain.
Key features include the 300 MHz C28x CPU, the FPU that accelerates floating-point operations, 516 KB RAM for large data buffers, and EMIF for external memory. The automotive-grade Q1 designation ensures AEC-Q100 qualification, making it suitable for use in vehicular environments. The device targets applications that require deterministic, low-latency control processing.
In terms of technical depth, the C28x architecture is optimized for control algorithms, with separate accumulator paths for improved instruction efficiency. The FPU supports single-precision IEEE 754 operations, beneficial for control loops and FFT computations. The EMIF provides a configurable interface to various memory types, enabling flexibility in system design.
Typical applications include automotive traction motor control, industrial servo drives, digital power converters, and renewable energy inverters. The combination of high MIPS, FPU, and large RAM makes it ideal for field-oriented control (FOC) of PMSMs, multi-loop power converter control, and complex filtering tasks.
When designing with this device, ensure proper decoupling near power pins and adequate thermal management for the 256-ball BGA package. The enable pin and reset circuitry must be designed for reliable power-up sequencing.
直接替換替代品，適用於 TMS320F28346-Q1 — 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： TMS320F28346-Q1 （相同外形與佔位） — 差異在於 Package, Core Processor, Flash Memory, ADC Resolution, Automotive Grade.
TMS320C28343-Q1
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
TMS320C28344-Q1
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
TMS320C28345-Q1
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
TMS320F28343-Q1
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →TMS320F28345-Q1
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
TMS320F28346-Q1 最大額定值與電氣特性
| Series | C2000 Delfino |
| Core Architecture | 32-bit C28x |
| CPU Frequency | 300 MHz |
| MIPS | 300 |
| Floating Point Unit | Yes |
| RAM | 516 KB |
| EMIF | Yes |
| 封裝 | 256-BGA (17x17) |
| 安裝類型 | Surface Mount |
| Automotive Grade | Yes (Q1) |
TMS320F28346-Q1 腳位配置
| 腳位 1 | VDDIO — I/O power supply |
| 腳位 2 | VDD — Core power supply |
| 腳位 3 | VSS — Ground |
| 腳位 4 | XRS — Reset |
| 腳位 5 | XTAL1 — Crystal input |
| 腳位 6 | XTAL2 — Crystal output |
| 腳位 7 | GPIO0 — General purpose I/O |
| 腳位 8 | GPIO1 — General purpose I/O |
| 腳位 9 | GPIO2 — General purpose I/O |
| 腳位 10 | GPIO3 — General purpose I/O |
| 腳位 11 | TIED — Test pin |
| 腳位 12 | EMIF_D0 — EMIF data bus |
| 腳位 13 | EMIF_D1 — EMIF data bus |
| 腳位 14 | EMIF_D2 — EMIF data bus |
| 腳位 15 | EMIF_D3 — EMIF data bus |
典型應用
TMS320F28346-Q1 適用於 6 應用s: Automotive Motor Control, Industrial Power Conversion, Renewable Energy, Electric Vehicle, Robotics and Drives, Test and Measurement.
Automotive Motor Control
The TMS320F28346-Q1's 300 MHz C28x core with FPU enables high-performance field-oriented control (FOC) for permanent-magnet synchronous motors (PMSM). Its 516 KB RAM supports complex multi-axis algorithms, and the automotive Q1 qualification ensures reliability in harsh environments. The EMIF allows external memory expansion for data logging. Typical use includes electric vehicle traction inverters and power steering systems.
推薦
Industrial Power Conversion
This MCU's 300 MIPS performance and EMIF make it ideal for digital power converters, including interleaved PFC and LLC resonant converters. The FPU accelerates math for control loops, while the 516 KB RAM stores high-speed ADC data. It supports industry-leading control algorithms with typical switching frequencies up to 300 kHz. Suitable for server power supplies and solar inverters.
推薦
Renewable Energy
For solar inverters and wind turbine controllers, the TMS320F28346-Q1 provides high-performance real-time control. The 300 MHz CPU and FPU execute maximum power point tracking (MPPT) and grid synchronization algorithms efficiently. The 516 KB RAM buffers large arrays of sensor data, and the EMIF interfaces with external ADCs for high-resolution monitoring. The device is automotive-qualified, ensuring durability.
推薦
Electric Vehicle
In electric vehicle (EV) drivetrains, this MCU handles traction motor control and battery management system (BMS) integration. Its 300 MIPS throughput, FPU, and 516 KB RAM enable complex multi-loop control with real-time data logging. The AEC-Q100 qualification (Q1) meets automotive reliability standards. The 256-BGA package provides compact integration, and the EMIF expands memory for data storage.
推薦
Robotics and Drives
Servo drives and industrial robots require precise motion control. The TMS320F28346-Q1's 300 MHz FPU core delivers the computational bandwidth for servo loop closure with robotic kinematics. The 516 KB RAM holds trajectory data and communication buffers. Its EMIF interface connects to external memory for complex applications. The C2834x family is widely used in industrial CNC machines.
推薦
Test and Measurement
This MCU is well-suited for high-speed testing instruments that demand real-time signal processing. With 300 MIPS and an FPU, it performs fast Fourier transforms (FFT) and filtering on live data. The 516 KB RAM allows large capture buffers, and the EMIF supports parallel interface to high-speed ADCs. Automotive-grade qualification makes it robust for lab and field equipment.
推薦
推薦產品摘要
工程參考資料，適用於 TMS320F28346-Q1 — 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 | TMS320C28343-Q1 | TMS320C28344-Q1 | TMS320C28345-Q1 | TMS320F28343-Q1 | TMS320F28345-Q1 |
|---|---|---|---|---|---|---|
| Package | 256-BGA (17x17) | 256-BGA (17x17) | 256-BGA (17x17) | 256-BGA (17x17) | 256-BGA (17x17) | 256-BGA (17x17) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Core Frequency | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz | 300 MHz |
| MIPS | 300 | 300 | 300 | 300 | 300 | 300 |
| FPU | Yes | Yes | Yes | Yes | Yes | Yes |
| EMIF | Yes | Yes | Yes | Yes | Yes | Yes |
| Automotive Grade | Q1 (AEC-Q100) | Q1 (AEC-Q100) | Q1 (AEC-Q100) | Q1 (AEC-Q100) | Q1 (AEC-Q100) | Q1 (AEC-Q100) |
主要差異化特點
- Highest RAM capacity in C2834x family (對比TMS320C28343-Q1)
- Automotive-qualified with Q1 suffix (對比TMS320C28346 (non-Q1))
- Integrated EMIF for external memory expansion (對比TMS320F28035-Q1)
設計說明
The 256-BGA package with exposed thermal pad requires proper PCB thermal design. For 300 MHz operation, ensure a ground plane and thermal vias under the ball grid. Keep the junction temperature below the datasheet maximum to prevent thermal throttling. Use a thermal simulation or reference design from TI for guidance.
Decouple the VDD and VDDIO rails with 0.1 uF and 10 uF ceramic capacitors close to the BGA power balls. Use separate analog and digital ground planes to reduce noise. Route high-speed signal traces away from the oscillator and ADC inputs to maintain signal integrity.
Avoid placing the MCU in high-EMI environments without proper shielding. The EMIF interface should be terminated appropriately to prevent signal reflections. Ensure that the external memory interface (EMIF) timing parameters are configured correctly to avoid data corruption.
合規資訊
AEC-Q100 qualification inferred from Q1 suffix in part number. RoHS, REACH, and others not explicitly stated in verified data.
