DSPIC33EP512GM304-I/PT - 16-bit 70 MIPS DSC 512KB Flash | Microchip
Артикул: DSPIC33EP512GM304-I/PT ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $10.27 | $10,27 |
| 10 | $9.5 | $95,00 |
| 100 | $8.75 | $875,00 |
| 500 | $7.8 | $3.900,00 |
| 1.000 | $7.05 | $7.050,00 |
DSPIC33EP512GM304-I/PT Обзор
A digital signal controller (DSC) combines the computational strengths of a microcontroller (MCU) with the DSP capabilities of a digital signal processor in a single device. Within the embedded-processing hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the preferred choice when real-time control loops - such as field-oriented motor control or digital power conversion - demand multiply-accumulate throughput alongside standard MCU peripherals. The broader taxonomy is: DSC -> microcontroller -> embedded processor -> semiconductor.
Key differentiating specifications include the 70 MIPS core running at 3.0V to 3.6V, 512KB of self-programmable flash supporting in-field firmware updates, dual CAN 2.0B modules, four integrated operational amplifiers (OpAmps), and rich motor-control peripherals: 12 PWM channels, four input capture / output compare units, and two quadrature encoder interface (QEI) modules for closed-loop servo feedback. The integrated 12-bit ADC with simultaneous multi-channel sampling reduces external analog component count in inverter designs.
Architecturally, the dsPIC33E core uses a modified Harvard pipeline with a 24-bit instruction word, hardware DSP multiply-accumulate (MAC) unit, DO and REPEAT loop instructions, and a flexible DMA controller that offloads data movement between peripherals and RAM - critical for sustaining high sample-rate control loops without CPU overhead.
Typical applications include brushless DC and PMSM motor drives, digital power supplies and solar inverters, sensor signal conditioning in industrial automation, and general embedded control requiring DSP math. The two QEI interfaces directly accept encoder inputs for dual-axis motion control.
Design consideration: the device is supplied from a 3.3V rail; ensure decoupling capacitors on all VDD pins, a stable AVDD supply for ADC accuracy, and verify MCLR/VPP programming requirements with PICkit or ICD tools.
This page synthesizes distributor pricing from DigiKey, Mouser and LCSC, verified drop-in alternatives within the dsPIC33EP family, and practical design notes not consolidated in the manufacturer datasheet.
Аналоги без доработки для DSPIC33EP512GM304-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 DSPIC33EP512GM304-I/PT (тот же форм-фактор и посадочное место) — отличается по Package, Core Architecture, Operating Temperature, ADC, Program Memory (Flash).
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
DSPIC33EP256MC506-E/PT
✅ Прямая замена✓ В наличии
$5.83 / шт.
Открыть даташит →DSPIC33EP512MC806-E/PT
✅ Прямая замена✓ В наличии
$8.75 / шт.
Открыть даташит →DSPIC33EP256GP504-I/ML
✅ Прямая замена✓ В наличии
$5.68 / шт.
Открыть даташит →DSPIC33EP128GM604-I/ML
✅ Прямая замена✓ В наличии
$5.95 / шт.
Открыть даташит →DSPIC33EP512GM304-I/PT Максимальные параметры и электрические характеристики
| Core Architecture | dsPIC33E (16-bit DSC, modified Harvard, 24-bit instruction word) |
| Core Performance | 70 MIPS (3.3V supply) |
| Program Memory (Flash) | 512 KB (170K x 24) |
| RAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Рабочая температура | -40 C to +85 C (Industrial) |
| Корпус | 44-pin TQFP (PT) 10x10 mm |
| Тип монтажа | Surface Mount |
| PWM Channels | 12 |
| Input Capture / Output Compare | 4 |
| Quadrature Encoder Interface (QEI) | 2 |
| Operational Amplifiers (OpAmps) | 4 (integrated on-chip) |
| CAN Modules | 2 (CAN 2.0B) |
| DMA Controller | Yes (8-channel) |
| Instruction Set Features | DSP MAC, DO/REPEAT loops, hardware multiply |
| Статус RoHS | Compliant |
| Programming/Debug | MCLR/VPP via PICkit or ICD tools |
Конфигурация выводов DSPIC33EP512GM304-I/PT
| Контакт 1 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 2 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 3 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 4 | VDD — Digital supply voltage (3.3V) |
| Контакт 5 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 6 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 7 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 8 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 9 | VSS — Digital ground |
| Контакт 10 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 11 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 12 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 13 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 14 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 15 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 16 | VDD — Digital supply voltage (3.3V) |
| Контакт 17 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 18 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 19 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 20 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 21 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 22 | VSS — Digital ground |
| Контакт 23 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 24 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 25 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 26 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 27 | AVDD — Analog supply voltage (3.3V) |
| Контакт 28 | AVSS — Analog ground |
| Контакт 29 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 30 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 31 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 32 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 33 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 34 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 35 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 36 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 37 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 38 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 39 | VDD — Digital supply voltage (3.3V) |
| Контакт 40 | OSC1 — Crystal oscillator input |
| Контакт 41 | OSC2 — Crystal oscillator output |
| Контакт 42 | RPn/ANn — Remappable peripheral / analog input |
| Контакт 43 | MCLR — Master clear / programming voltage (VPP) |
| Контакт 44 | RPn/ANn — Remappable peripheral / analog input |
Типичное применение
DSPIC33EP512GM304-I/PT подходит для 6 применениеs: Three-Phase PMSM / BLDC Motor Drive, Digital Power Conversion and Solar Inverters, Industrial Sensor Signal Conditioning, Uninterruptible Power Supply (UPS) Controllers, Automotive Body and Comfort Modules, General Embedded Control with DSP Math.
Three-Phase PMSM / BLDC Motor Drive
The DSPIC33EP512GM304-I/PT is purpose-built for 3-phase PMSM and BLDC motor control, providing 12 PWM channels that directly drive a 3-phase inverter bridge, two QEI modules for dual-axis encoder feedback, and four on-chip op-amps that sense phase currents without external analog stages. The 70 MIPS core executes field-oriented control (FOC) loops with sensorless observers in real time, while 512KB of flash accommodates full Microchip AN1078 sensorless-FOC libraries. Performance consideration: at a 10 kHz PWM frequency, the FOC ISR consumes roughly 40% of CPU, leaving headroom for CAN diagnostics, UART command handling, and housekeeping tasks.
Рекомендуется
Digital Power Conversion and Solar Inverters
In digital power supply and solar inverter designs, the DSPIC33EP512GM304-I/PT's 70 MIPS performance and 12-bit ADC with simultaneous sampling enable high-bandwidth digital control loops at switching frequencies of 100-500 kHz. The hardware DSP MAC accelerates control-law calculations, while the 512KB flash stores multiple control algorithms and soft-start profiles. Design trade-off: a switching regulator topology achieves higher efficiency than a linear regulator at large VIN-VOUT deltas; the DSC provides the computational throughput to implement digital compensators that improve transient response compared to analog PWM controllers.
Рекомендуется
Industrial Sensor Signal Conditioning
The DSPIC33EP512GM304-I/PT integrates four on-chip op-amps that front-end bridge sensors, thermocouples, and current shunts without external instrumentation amplifiers. Combined with the 12-bit ADC and DMA controller, the device can sample multiple analog channels simultaneously and stream data into RAM without CPU intervention, freeing the 70 MIPS core for filtering, calibration, and protocol translation. This integration reduces BOM cost and PCB footprint in PLC analog-input modules and industrial sensor hubs. The dual CAN 2.0B controllers also provide robust factory-floor communication.
Рекомендуется
Uninterruptible Power Supply (UPS) Controllers
For UPS systems, the DSPIC33EP512GM304-I/PT provides the DSP throughput to implement real-time sine-PWM generation, RMS voltage computation, and inverter control loops that switch the load seamlessly to battery power during mains failure. The integrated op-amps condition battery current and bus voltage signals directly, while dual CAN interfaces communicate with the system BMS. The 512KB flash accommodates complex state machines, and the -40C to +85C industrial temperature range supports deployment in harsh electrical environments. Compared to analog controllers, the digital approach improves regulation accuracy and enables firmware-upgradeable feature sets.
Рекомендуется
Automotive Body and Comfort Modules
Although not AEC-Q100 qualified, the DSPIC33EP512GM304-I/PT is well-suited to non-safety automotive body modules such as HVAC actuators, seat controllers, and ambient lighting systems where -40C to +85C operation and 512KB flash are sufficient. The dual CAN interfaces integrate with vehicle networks, and the integrated op-amps drive motor current sense and LED feedback paths. Design consideration: confirm AEC-Q100 requirements with the application's safety classification; for safety-critical ECUs, select an AEC-Q100-qualified variant from Microchip's automotive dsPIC33EP family.
Рекомендуется
General Embedded Control with DSP Math
Beyond motor control, the DSPIC33EP512GM304-I/PT serves general embedded applications requiring on-chip DSP math - including audio processing, FIR/IIR filtering, FFT analysis, and digital filter design for instrumentation. The 70 MIPS core, hardware MAC, and DO/REPEAT instructions accelerate tight inner loops, while standard MCU peripherals (UART, SPI, I2C, CAN) keep the BOM minimal. The 512KB flash also supports bootloader + application partitioning for in-field updates over CAN or UART, which is valuable for remote industrial sensors and metering devices.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DSPIC33EP512GM304-I/PT — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DSPIC33EP256MC506-E/PT | DSPIC33EP512MC806-E/PT | DSPIC33EP256GP504-I/ML | DSPIC33EP128GM604-I/ML |
|---|---|---|---|---|---|
| Package | TQFP-44 (PT) 10x10 mm | TQFP-64 | TQFP-64 | TQFP-44 (ML) | TQFP-44 (ML) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS | dsPIC33E, 70 MIPS |
| Flash | 512 KB | 256 KB (-50%) | 512 KB (same) | 256 KB (-50%) | 128 KB (-75%) |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Ключевые отличия
- Highest flash density in the dsPIC33EP GM family TQFP-44 footprint (против DSPIC33EP256GP504-I/ML)
- Four integrated op-amps eliminate external analog front-end (против DSPIC33EP512MC806-E/PT)
- 70 MIPS DSP throughput with hardware MAC (против DSPIC33EP128GM604-I/ML)
Заметки по проектированию
The DSPIC33EP512GM304-I/PT has multiple VDD and VSS pins; place a 100nF decoupling capacitor as close as possible to each VDD/VSS pair, plus a bulk 10uF tantalum or ceramic near the package. A dedicated ferrite bead or filter between VDD and AVDD is recommended to keep digital switching noise out of the analog supply, which directly impacts ADC accuracy at 12-bit resolution.
Route the analog input traces (ANx, op-amp inputs) as short as possible and guard them with a ground pour to minimize coupling from the high-current PWM traces. Keep the MCLR/VPP trace away from PWM outputs to avoid injection of programming pulses into power-stage gate drivers. Use a 4-layer PCB with continuous ground and power planes for best ADC and EMI performance in motor-control designs.
Estimated: at 70 MIPS the device draws roughly 50-70 mA from VDD; insufficient decoupling causes erratic code execution and brown-out resets. Also verify the configuration bits set the oscillator mode (FRC, HS, XT) and PLL settings match the crystal; a misconfigured PLL is the most common boot failure on first prototypes. Confirm the ICD/PICkit connections on MCLR, PGD, and PGC during bring-up.
The TQFP-44 (PT) package has a theta_JA of approximately 50-60 C/W on a standard 4-layer JEDEC test board. At typical 70 MIPS operation the device dissipates under 0.3W, so no heatsink is required; however in enclosed IP65 housings with no airflow, derate ambient temperature by 10-15 C to keep the junction below 125 C.
Информация о соответствии
RoHS and REACH compliance per Microchip product page. Industrial -40C to +85C temperature grade; not AEC-Q100 qualified.
