DSPIC33FJ256MC710T-I/PT - 16-bit DSC 40MIPS 256KB Flash | Microchip
Артикул: DSPIC33FJ256MC710T-I/PT ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $9.36 | $9,36 |
| 10 | $8.48 | $84,80 |
| 100 | $7.64 | $764,00 |
| 500 | $6.95 | $3.475,00 |
| 1.000 | $6.38 | $6.380,00 |
DSPIC33FJ256MC710T-I/PT Обзор
A Digital Signal Controller combines the computational architecture of a microcontroller with the multiply-accumulate (MAC/DSP) engine of a digital signal processor. In the product hierarchy, the dsPIC33F sits between general-purpose MCUs (PIC24) and dedicated DSPs, offering a C-friendly 16-bit core plus hardware DSP instructions for control loops that need deterministic, cycle-accurate execution.
Key features include a 40 MIPS 16-bit pipeline core, 256KB self-programmable FLASH with only 100 guaranteed erase/write cycles per northernsoftware.com support notes, 30KB on-chip SRAM, and 85 I/O lines for direct gate-drive and sensor interfacing. The MC (motor control) peripheral set integrates high-speed PWM modules, a high-speed ADC, and output-compare/capture resources aimed at field-oriented motor control.
The dsPIC33FJ family is pin compatible with the PIC24H family and shares a high degree of compatibility with the dsPIC30F family, per the Microchip dsPIC33F Family Data Sheet (70165C), enabling migration between families without PCB redesign.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (PFC, LLC), solar inverters, and industrial motion control where deterministic PWM-ADC timing is essential.
Design consideration: supply voltage must stay within 3V to 3.6V, and the low flash endurance (100 cycles) makes this part better suited to production firmware than to frequent field reprogramming during development.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Аналоги без доработки для DSPIC33FJ256MC710T-I/PT — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с DSPIC33FJ256MC710T-I/PT (тот же форм-фактор и посадочное место) — отличается по Package, Operating Temperature, Core Architecture, ADC, RAM.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
DSPIC33FJ128MC710-I/PT
✅ Прямая замена✓ В наличии
$6.9 / шт.
Открыть даташит →DSPIC33FJ256GP510T-I/PT
✅ Прямая замена✓ В наличии
$6.95 / шт.
Открыть даташит →DSPIC33FJ128MC710T-I/PF
✅ Прямая замена✓ В наличии
$6.8 / шт.
Открыть даташит →DSPIC33FJ256MC710A-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$7.8 / шт.
Открыть даташит →DSPIC33FJ256GP710T-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$6.45 / шт.
Открыть даташит →DSPIC33FJ256MC710T-I/PT Максимальные параметры и электрические характеристики
| Core | dsPIC33F 16-bit |
| Maximum CPU Speed | 40 MIPS |
| Program Memory Size | 256KB (256K x 8) FLASH |
| RAM Size | 30720 bytes |
| Number of I/O | 85 |
| Supply Voltage Range | 3 V to 3.6 V |
| Рабочая температура | -40C to +85C |
| Корпус | 100-TQFP (12x12 mm) |
| Тип монтажа | Surface Mount |
| Program Memory Type | FLASH |
| Product Family | dsPIC33F Motor Control (MC) |
| Peripherals | High-speed PWM, ADC, comparators (per digchips specifications) |
| Flash Endurance | 100 erase/write cycles (guaranteed minimum) |
| Family Compatibility | Pin compatible with PIC24H; high compatibility with dsPIC30F |
| Packaging | Tape & Reel (T suffix) |
Руководство по цоколевке DSPIC33FJ256MC710T-I/PT в корпусе 100-tqfp (12x12 mm)
Цоколевка для DSPIC33FJ256MC710T-I/PT (корпус 100-tqfp (12x12 mm)). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для DSPIC33FJ256MC710T-I/PT.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
DSPIC33FJ256MC710T-I/PT подходит для 6 применениеs: BLDC / PMSM Motor Drives, Digital Power Supplies (PFC / LLC), Industrial Automation and Motion Control, Solar Inverters and Renewable Energy, Automotive-Adjacent Industrial Drives (Non-Safety), Test, Measurement and Instrumentation.
BLDC / PMSM Motor Drives
The DSPIC33FJ256MC710T-I/PT is purpose-built for brushless DC and permanent-magnet synchronous motor control. Its MC peripheral set integrates high-speed PWM modules with complementary outputs and dead-time insertion, a fast ADC synchronized to PWM triggers, and comparators for cycle-by-cycle overcurrent protection. Running field-oriented control (FOC) at 40 MIPS gives deterministic loop execution, typically at 10-20 kHz current-loop rates, while the 256KB FLASH hosts FOC libraries plus CAN or RS-485 fieldbus stacks simultaneously. With 85 I/O lines, gate drivers, encoder inputs (QEI), and fault circuits interface directly without glue logic. Place a low-side shunt per phase feeding an op-amp into the ADC; trigger sampling from the PWM center to avoid switching noise, a benefit of the PWM-ADC synchronization unique to motor-control DSCs.
Рекомендуется
Digital Power Supplies (PFC / LLC)
In digitally controlled switch-mode power supplies, the DSPIC33FJ256MC710T-I/PT implements voltage-mode and current-mode control loops with software PID or 2p2z compensators executing at 40 MIPS. The high-speed PWM supports phase-shifted full-bridge, LLC half-bridge, and boost-PFC topologies with programmable dead time and adaptive phase shedding. The ADC samples output voltage and inductor current synchronized to PWM events, minimizing switching-noise corruption of readings. The 256KB FLASH accommodates multiple converter firmware profiles plus PMBus-style communication for telemetry. Compared with analog controllers, digital control enables nonlinear gain scheduling across load ranges and real-time fault logging. Estimate loop latency budget carefully: ADC conversion plus ISR overhead at 40 MIPS leaves enough time for switching frequencies up to roughly 300-500 kHz with careful code optimization.
Рекомендуется
Industrial Automation and Motion Control
For multi-axis motion and factory automation nodes, the DSPIC33FJ256MC710T-I/PT combines a 40 MIPS DSP core with 85 I/O lines and rich communication peripherals, executing trajectory generation and servo loops locally. Quadrature encoder interface inputs handle incremental position feedback while PWM outputs drive stepper or servo stages through external gate drivers. The 30KB SRAM buffers sensor history and communication frames, and the industrial -40C to +85C rating suits unconditioned cabinets and factory floors. The 256KB FLASH is large enough for protocol stacks, state machines, and diagnostic logging in a single image. Machine builders often deploy this DSC alongside larger MCUs: it handles hard-real-time axis control while a host processor manages HMI and network supervision, communicating over UART, SPI, or CAN.
Рекомендуется
Solar Inverters and Renewable Energy
Grid-tied solar micro-inverters and string inverters require simultaneous MPPT execution and grid-synchronization PWM generation, which the DSPIC33FJ256MC710T-I/PT handles with its dual high-speed timers, synchronized ADC, and complementary PWM outputs. The 40 MIPS core runs a perturb-and-observe or incremental-conductance MPPT algorithm in the slow loop while a 20 kHz-plus current control loop shapes the output waveform against a sampled grid reference. The 256KB FLASH supports anti-islanding certification firmware, PLL grid tracking, and data logging. Operation from a 3V to 3.6V rail simplifies interface with isolated digital supplies. Designers should allocate ADC channels via software scan priorities so PV voltage/current and grid sensing share deterministic sampling slots without extending loop latency.
Рекомендуется
Automotive-Adjacent Industrial Drives (Non-Safety)
Electric pumps, compressors, blowers, and light-electric-vehicle traction systems frequently use the DSPIC33FJ256MC710T-I/PT in its -40C to +85C I grade. The DSC's single-cycle MAC and DSP shift instructions accelerate sensorless motor algorithms - sliding-mode observers and back-EMF estimation involve heavy multiply-accumulate work that a 40 MIPS DSP engine completes well within control-loop deadlines. Complementary PWM with hardware dead time protects external IGBT/MOSFET bridges, and fast comparators implement hardware overcurrent shutdown independent of software latency. The 256KB FLASH stores multiple motor profiles for product-line variants on one PCB. Note this is the industrial grade, not AEC-Q100: for under-hood applications select a Microchip automotive-qualified dsPIC33 variant, reserving this part for auxiliary and non-safety systems.
Рекомендуется
Test, Measurement and Instrumentation
Bench instruments, power analyzers, and data-acquisition front ends benefit from the DSPIC33FJ256MC710T-I/PT's deterministic timing and DSP acceleration. A 40 MIPS core performs windowed FFT or RMS computations on sampled channels using DSP MAC instructions, while high-speed PWM generates stimulus or converter test waveforms with known timing. The 85 I/O pins support parallel buses to display and memory peripherals, and UART/SPI links stream results to a host PC. The -40C to +85C range permits use in unconditioned field instruments. The 256KB FLASH holds calibration tables and multi-protocol firmware, and the 30KB SRAM buffers waveform captures for post-processing. Trigger ADC scans from a timer for uniform sample intervals, which is essential for FFT spectral accuracy.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DSPIC33FJ256MC710T-I/PT — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DSPIC33FJ128MC710-I/PT | DSPIC33FJ256GP510T-I/PT | DSPIC33FJ128MC710T-I/PF | DSPIC33FJ256MC710A-I/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Program Memory (FLASH) | 256KB | 128KB | 256KB | 128KB | 256KB |
| Peripheral Set | MC (motor control): high-speed PWM, ADC, comparators | MC (motor control) | GP (general purpose) | MC (motor control) | MC (motor control), A-revision silicon |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Ключевые отличия
- Full 256KB program memory headroom (против DSPIC33FJ128MC710-I/PT)
- Motor-control peripheral set (против DSPIC33FJ256GP510T-I/PT)
- Migration path within Microchip families (против PIC24H family devices)
Заметки по проектированию
The dsPIC33FJ core operates from an internal 1.8V regulator derived from the 3V-3.6V VDD rail; a low-ESR 10 uF tantalum plus 0.1 uF ceramic must be placed on the VCAP/VDDCORE pin per the dsPIC33F Family Data Sheet (70165C). Decouple every VDD/VSS pair with 0.1 uF ceramics, placed within 2 mm of the pins. Do not draw external current from VDDCORE - the regulator only supports the core load.
Flash endurance is guaranteed at only 100 erase/write cycles (per northernsoftware.com support data), far below newer families. During development, avoid full-chip erase cycles in debug loops: use RAM-resident test code, spread firmware writes across flash pages, and keep versioned binary images. In the field, firmware-update bootloaders should implement wear-leveling across at least two 512-instruction pages.
Keep PWM output traces to gate drivers short (< 50 mm) and route them away from the analog sensor lines feeding the ADC. Use the PWM-triggered ADC sampling mode so current-shank sampling occurs at PWM center (valley), avoiding switching-edge noise; this synchronization is the primary reason to select the MC variant for motor drives. Provide a solid AVDD/AVSS analog island with a ferrite bead from the digital 3.3V rail.
Estimated: a 40 MIPS dsPIC33FJ dissipates on the order of 150-250 mV x logic current, typically well under 300 mW total, so the 100-TQFP (12x12 mm) theta_JA of roughly 40-50 C/W keeps junction rise below 15 C at full load - no heatsink or thermal pad is needed. Ensure VDD stays below 3.6V; overvoltage, not power, is the realistic thermal-damage risk here.
Информация о соответствии
Package described as lead-free per digchips package data (LEAD FREE, PLASTIC TQFP). Industrial temperature grade, not AEC-Q100 qualified. REACH/halogen status not stated in provided data.
