DSPIC33EP256MC204T-E/PT - 60 MIPS 16-bit DSC 256KB Flash | Microchip
料号： DSPIC33EP256MC204T-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.55 | $65.50 |
| 100 | $5.9 | $590.00 |
| 500 | $5.4 | $2,700.00 |
| 1,000 | $4.95 | $4,950.00 |
DSPIC33EP256MC204T-E/PT 概述
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power management hierarchy of embedded systems, the DSC sits between general-purpose MCUs and dedicated DSPs: it executes single-cycle MAC and DSP instructions for control-loop mathematics while retaining interrupt-driven firmware structures, making the dsPIC33 family a common choice for motor control, digital power conversion, and sensing applications.
Key features include the 16-bit dsPIC33E core running at 60 MIPS, high-speed PWM modules suited to motor control and power conversion, and connectivity peripherals covering I2C, SPI, UART/USART, IrDA, LINbus, and QEI (quadrature encoder interface). The QEI peripheral is particularly significant: it decodes encoder feedback in hardware, offloading the CPU for the field-oriented control (FOC) mathematics required in precision servo drives.
Technically, the dsPIC33EP series integrates DSP engine features such as single-cycle MAC, dual operand fetch, and a modified Harvard architecture with a 24-bit instruction word. The -E/PT ordering code denotes the extended temperature range (-40C to +125C) in a tape-and-reel packaged 44-pin TQFP. Per Microchip product data, this device is AEC-Q100 qualified, supporting automotive and harsh-environment industrial designs.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, digital power supplies and PFC stages, automotive body and powertrain auxiliaries, and industrial sensors requiring the QEI encoder interface combined with DSP-grade control loops.
A key design consideration: the core runs from a 3.0V to 3.6V supply, so level shifting is required when interfacing with 5V logic; decouple each VDD/VSS pair with 0.1uF ceramics placed at the TQFP corners.
This page synthesizes distributor availability data, drop-in alternatives within the same 44-TQFP footprint, and practical design notes not consolidated in the manufacturer datasheet.
直接替换替代料： DSPIC33EP256MC204T-E/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33EP256MC204T-E/PT （相同外形与封装尺寸） ——差异在于 Operating Temperature, Peripherals, Package, Packaging, RAM Size.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP256MC204-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33EP256MC204T-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP128MC204T-I/PT
✅ 直接替换✓ 有现货
$4.4 / 个
查看数据手册 →DSPIC33EP256GP504-I/PT
✅ 直接替换✓ 有现货
$3.68 / 个
查看数据手册 →DSPIC33EP32MC204T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.62 / 个
查看数据手册 →DSPIC33EP256MC204T-E/PT 最大额定值与电气特性
| Core Processor | dsPIC33EP 16-bit DSC core |
| Core Size | 16-bit |
| Speed (MIPS) | 60 MIPS |
| Program Memory Size | 256KB (85.5K x 24) Flash |
| RAM Size | 16KB |
| Supply Voltage Range | 3 V to 3.6 V |
| 封装 | 44-TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +125C (E grade) |
| Connectivity | I2C, IrDA, LINbus, QEI, SPI, UART/USART |
| Qualification | AEC-Q100 qualified |
| Series | dsPIC 33EP (dsPIC33EP256MC204) |
| Packaging | Tape & Reel (T suffix) |
| RoHS 状态 | Compliant |
| Peripherals | High-Speed PWM, DSP engine, QEI |
| Applications Class | Precision motor control, digital power |
| Family Data Sheet | DS70000657J (dsPIC33EP/PIC24EP family) |
DSPIC33EP256MC204T-E/PT 44-tqfp (10x10 mm) 引脚配置指南
DSPIC33EP256MC204T-E/PT（44-tqfp (10x10 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC33EP256MC204T-E/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP256MC204T-E/PT 适用于 6 应用s: BLDC/PMSM Motor Control, Digital Power Conversion, Automotive Body and Auxiliary Electronics, Industrial Sensors and Instrumentation, Servo Drives and Robotics, Building Automation and HVAC Controls.
BLDC/PMSM Motor Control
The DSPIC33EP256MC204T-E/PT fits brushless DC and permanent-magnet synchronous motor drives through its high-speed PWM modules with complementary outputs and hardware dead-time insertion, paired with a QEI module that decodes quadrature encoder feedback without CPU load. At 60 MIPS with a single-cycle MAC DSP engine, the controller executes field-oriented control current loops at 10-20 kHz rates while retaining margin for communication and protection routines. The 256KB Flash accommodates FOC libraries, parameter tables, and field-upgradeable firmware. Placement in the inverter control board between the current-sense amplifier and gate drivers is typical; the 3.0-3.6V supply simplifies interfacing with 3.3V gate-driver logic.
推荐
Digital Power Conversion
Digital power supplies, PFC stages, and DC-DC converters benefit from the DSPIC33EP256MC204T-E/PT's deterministic 60 MIPS execution and high-speed PWM resolution, which support phase-shifted full-bridge and LLC topologies. The DSP engine's single-cycle MAC accelerates the PI and 3p3z compensator calculations that replace analog error amplifiers. The extended -40C to +125C E-grade temperature range suits power supplies mounted near hot components, and AEC-Q100 qualification opens automotive onboard-charger and auxiliary-converter designs. The 256KB Flash holds multiple converter profiles switchable at runtime. Design trade-off: budget the 3.3V rail carefully, since the DSC must be alive at startup to sequence the power stage soft-start.
推荐
Automotive Body and Auxiliary Electronics
Thanks to AEC-Q100 qualification and the -40C to +125C extended grade confirmed in Microchip USA product data, this DSC is suited to automotive auxiliary modules such as pump controllers, throttle-position actuators, and HVAC blower drives. Connectivity peripherals cover LINbus and UART for in-vehicle networks, while QEI supports position-feedback actuators. The 44-TQFP 10x10 mm footprint provides enough I/O for switch matrices and lamp loads without a larger package. Design consideration: automotive 12V transients demand robust load-dump protection upstream of the 3.3V regulator, and LINbus transceivers should be selected to the vehicle OEM specification.
推荐
Industrial Sensors and Instrumentation
Industrial sensing nodes use the DSPIC33EP256MC204T-E/PT to combine acquisition, DSP filtering, and communication in one chip. The 60 MIPS DSP engine applies FIR/IIR filtering to raw sensor streams, while SPI and I2C interfaces connect precision ADCs and MEMS sensors; UART links the node to PLC networks via protocol converters. The 256KB Flash supports stored calibration tables and multi-protocol firmware, and the QEI peripheral directly interfaces encoder-based position sensors. The extended temperature range suits cabinet-mounted and machine-mounted electronics. Trade-off: the 16KB RAM limits very deep sample buffers, so stream or decimate high-rate data rather than buffering long records on-chip.
推荐
Servo Drives and Robotics
Robot joint controllers benefit from the hardware QEI encoder interface and the PWM modules with dead-time control, enabling closed-loop servo operation at kHz control rates. At 60 MIPS, the dsPIC33EP core runs cascaded position/velocity/current loops with trapezoidal or FOC commutation while handling command interfaces over UART or I2C. The 256KB Flash stores multi-axis motion profiles and kinematic pre-processing for compact distributed-drive architectures. Extended -40C to +125C operation tolerates enclosed drivetrain heat. Design consideration: route encoder signals differentially or with filtering, since QEI inputs are sensitive to inverter switching noise in the same wiring harness.
推荐
Building Automation and HVAC Controls
Fan, damper, and compressor control in HVAC equipment is a natural fit: the QEI module reads airflow-damper position encoders, the PWM modules drive EC-motor inverters, and UART/LIN connectivity integrates with building management networks. The 60 MIPS core executes sensor fusion and PID loops with ample margin, while the -40C to +125C grade covers rooftop-unit temperature extremes. The 256KB Flash supports multiple equipment profiles in one firmware image. Note the 3.0-3.6V supply requirement when interfacing with legacy 5V sensor outputs - level-shift or select ratiometric 3.3V sensors to avoid overstressing I/O pins beyond the 3.6V maximum.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP256MC204T-E/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC33EP256MC204-E/PT | DSPIC33EP256MC204T-I/PT | DSPIC33EP128MC204T-I/PT | DSPIC33EP256GP504-I/PT | DSPIC33EP32MC204T-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Program Memory (Flash) | 256KB | 256KB | 256KB | 128KB | 256KB | 32KB |
| Operating Temperature | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Packaging | Tape & Reel (T) | Tray | Tape & Reel | Tape & Reel | Tray | Tape & Reel |
| Peripheral Family Focus | MC (motor control, QEI, high-speed PWM) | MC - identical | MC - identical | MC - identical | GP - general purpose | MC - identical |
关键差异点
- Extended -40C to +125C temperature grade with AEC-Q100 qualification （对比 DSPIC33EP256MC204T-I/PT)
- Motor-control peripheral set (QEI + high-speed PWM) （对比 DSPIC33EP256GP504-I/PT)
- Double the program memory of the 128KB variant at same footprint （对比 DSPIC33EP128MC204T-I/PT)
设计说明
The DSPIC33EP256MC204T-E/PT requires a single 3.0V to 3.6V supply. Decouple every VDD/VSS pair with a 0.1uF low-ESR ceramic placed within 2 mm of the pins, plus one 4.7uF-10uF bulk capacitor near the regulator output. Estimated: core current at 60 MIPS is on the order of tens of milliamps per Microchip family guidance, so a 100-150 mA LDO (e.g., an MCP1700-class part) is adequate for the DSC alone - reserve regulator headroom for I/O loads. The 3.6V absolute maximum means 5V signal sources must be level-shifted or verified against the specific pin's tolerance.
On the 44-TQFP (10x10 mm) footprint, keep the high-speed PWM outputs to the gate drivers short and away from QEI encoder input traces to prevent switching noise from corrupting position feedback. Use a solid ground plane and place the crystal within 10-15 mm of OSC1/OSC2 with guard grounding per the Microchip oscillator layout guidance in the family datasheet DS70000657J. Provide ICSP programming access to MCLR, PGD, and PGC - the peripheral pin select (PPS) feature can accidentally remap these pins in firmware, so lock PPS assignments before production.
Three recurring mistakes with this family: (1) selecting the -I industrial grade where the ambient exceeds 85C - this part's -E grade covers -40C to +125C, but substitutes like DSPIC33EP256MC204T-I/PT do not; (2) forgetting that 16KB RAM limits sample buffering - structure firmware to stream or decimate high-rate ADC data; (3) mixing T (tape-and-reel) and non-T (tray) order codes on one BOM line, which causes pick-and-place feed errors. Always order the T/PT suffix for reel-fed SMT assembly.
合规信息
AEC-Q100 qualification stated in Microchip USA product data for the DSPIC33EP256MC204T-E/PT. RoHS status per standard Microchip lead-free/RoHS product offering; REACH and halogen-free status not explicitly stated in provided data.