DSPIC33EP512MC504-I/PT - 70 MIPS 16-bit DSC, 512KB Flash, 44-TQFP
MPN: DSPIC33EP512MC504-I/PT ✓ نشطDSPIC33EP512MC504-I/PT نظرة عامة
A digital signal controller (DSC) combines the deterministic DSP compute engine of a digital signal processor with the deterministic peripheral set, interrupts, and ease-of-use of a microcontroller. In the broader power-management and motion-control hierarchy of embedded systems, DSCs sit between general-purpose 16-bit/32-bit MCUs and dedicated DSPs, delivering single-cycle MAC instructions and DSP-style addressing modes while retaining MCU-class toolchains. The dsPIC33EP family is Microchip's high-performance 16-bit DSC generation built around an enhanced dsPIC33E core, targeting precision motor control and digital power conversion.
Key differentiating features include 4 DMA channels for data movement without CPU intervention, hardware single-cycle 17-bit x 17-bit MAC, an internal PLL for flexible clocking from an external primary oscillator, and an in-circuit serial programming (ICSP) interface with paired PGECx/PGEDx pins. The on-chip high-speed PWM module supports complementary outputs and dead-time control, while the QEI module accepts direct quadrature signals from incremental encoders for closed-loop position feedback.
Architecturally, the dsPIC33EP core executes most instructions in a single cycle at up to 70 MIPS, with hardware divide and dual operand fetch for sustained DSP throughput. Flash memory supports in-circuit self-programming for field firmware updates, and the integrated ECAN module provides CAN 2.0B connectivity for industrial automation and automotive body networks.
Typical applications include brushless DC motor control, permanent-magnet synchronous motor (PMSM) drives with field-oriented control, digital power supplies (PFC and LLC resonant converters), and sensorless FOC drives requiring deterministic DSP-class math. Industrial automation nodes with CAN bus connectivity also benefit from the ECAN peripheral.
Design consideration: connect all VDD/VSS pin pairs to their respective rails, and use the same PGECx/PGEDx pair for both ICSPCLK and ICSPDAT during programming; mismatched pairs are the most common bring-up failure when using a debug probe.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-10-07.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع DSPIC33EP512MC504-I/PT (نفس عامل الشكل والبصمة) — يختلف في Package, Operating Temperature, Core Architecture, Maximum CPU Speed, ADC.
DSPIC33EP512MC504-E/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP256MC506-E/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP512GM604-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP512MC806-E/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP512MC504-I/ML
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33EP512MC504-I/PT الحدود القصوى والخصائص الكهربائية
| Core Architecture | dsPIC33E / 16-bit DSC |
| Maximum CPU Speed | 70 MIPS (60 MHz MIPS equivalent) |
| Program Memory (Flash) | 512 KB |
| Data RAM | 48 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| درجة حرارة التشغيل | -40C to +85C (Industrial) |
| العلبة | 44-lead TQFP (10x10 mm) |
| I/O Pins | 35 |
| DMA Channels | 4 |
| Timers | 5 |
| Motor Control PWM | Yes (high-speed PWM with complementary outputs and dead-time) |
| Quadrature Encoder Interface (QEI) | Yes |
| CAN | ECAN (CAN 2.0B) |
| Communication Peripherals | I2C, SPI, UART |
| DSP Engine | Single-cycle 17-bit x 17-bit MAC, hardware divide |
| Programming Interface | ICSP / ICD (PGECx / PGEDx pairs) |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
تكوين أطراف DSPIC33EP512MC504-I/PT
| دبوس 1 | RP5/RB5 — Remappable peripheral / GPIO port B bit 5 |
| دبوس 2 | RP6/RB6 — Remappable peripheral / GPIO port B bit 6 |
| دبوس 3 | RP7/RB7 — Remappable peripheral / GPIO port B bit 7 |
| دبوس 4 | RP8/RB8 — Remappable peripheral / GPIO port B bit 8 |
| دبوس 5 | RP9/RB9 — Remappable peripheral / GPIO port B bit 9 |
| دبوس 6 | VSS — Ground reference |
| دبوس 7 | VDD |
| دبوس 8 | PWM1H — PWM output 1 high (complementary pair) |
| دبوس 9 | PWM1L — PWM output 1 low (complementary pair) |
| دبوس 10 | PWM2H — PWM output 2 high (complementary pair) |
| دبوس 11 | PWM2L — PWM output 2 low (complementary pair) |
| دبوس 12 | PWM3H — PWM output 3 high (complementary pair) |
| دبوس 13 | PWM3L — PWM output 3 low (complementary pair) |
| دبوس 14 | VSS — Ground reference |
| دبوس 15 | VDD — Positive supply voltage (3.0 V to 3.6 V) |
| دبوس 16 | QEA — Quadrature Encoder Interface input A |
| دبوس 17 | QEB — Quadrature Encoder Interface input B |
| دبوس 18 | INDX — Quadrature Encoder index pulse input |
| دبوس 19 | AN0 — Analog input 0 / ADC channel |
| دبوس 20 | AN1 — Analog input 1 / ADC channel |
| دبوس 21 | AN2 — Analog input 2 / ADC channel |
| دبوس 22 | AN3 — Analog input 3 / ADC channel |
| دبوس 23 | AN4 — Analog input 4 / ADC channel |
| دبوس 24 | AN5 — Analog input 5 / ADC channel |
| دبوس 25 | AVSS — Analog ground reference |
| دبوس 26 | AVDD — Analog positive supply voltage |
| دبوس 27 | VREF+ — ADC voltage reference positive input |
| دبوس 28 | VREF- — ADC voltage reference negative input |
| دبوس 29 | OSC1 — External oscillator input (primary) |
| دبوس 30 | OSC2 — External oscillator output (primary) |
| دبوس 31 | SOSCO — Secondary oscillator output (32.768 kHz) |
| دبوس 32 | SOSCI — Secondary oscillator input (32.768 kHz) |
| دبوس 33 | PGEC1 — ICSP programming clock 1 / ICD clock |
| دبوس 34 | PGED1 — ICSP programming data 1 / ICD data |
| دبوس 35 | PGEC2 — ICSP programming clock 2 (alternate pair) |
| دبوس 36 | PGED2 — ICSP programming data 2 (alternate pair) |
| دبوس 37 | C1TX — ECAN transmit output |
| دبوس 38 | C1RX — ECAN receive input |
| دبوس 39 | MCLR — Master clear reset (active-low) |
| دبوس 40 | RP0/RB0 — Remappable peripheral / GPIO port B bit 0 |
| دبوس 41 | RP1/RB1 — Remappable peripheral / GPIO port B bit 1 |
| دبوس 42 | RP2/RB2 — Remappable peripheral / GPIO port B bit 2 |
| دبوس 43 | RP3/RB3 — Remappable peripheral / GPIO port B bit 3 |
| دبوس 44 | RP4/RB4 — Remappable peripheral / GPIO port B bit 4 |
التطبيقات النموذجية
DSPIC33EP512MC504-I/PT مناسب لـ 6 التطبيقs: Brushless DC Motor Control (BLDC), Permanent Magnet Synchronous Motor (PMSM) FOC Drives, Digital Power Conversion (PFC / LLC), Industrial Automation Nodes (CAN), Sensorless FOC Compressor Drives, Solar Inverter Control.
Brushless DC Motor Control (BLDC)
The DSPIC33EP512MC504-I/PT is well suited to BLDC motor commutation. The 70 MIPS core executes single-cycle 17-bit x 17-bit MAC instructions, completing trapezoidal or sinusoidal commutation within microsecond loop times. The high-speed PWM module generates complementary outputs with programmable dead-time for direct three-phase inverter drive, while the QEI accepts Hall-sensor or quadrature encoder feedback for closed-loop speed control. The 4 DMA channels move ADC samples to memory without CPU intervention, freeing the core for control math. With 35 GPIO, the 44-TQFP exposes enough pins for a full BLDC drive plus housekeeping. ECAN 2.0B allows the drive to participate in CAN-based industrial networks alongside other axes.
موصى به
Permanent Magnet Synchronous Motor (PMSM) FOC Drives
Field-oriented control of PMSM motors benefits from the DSPIC33EP512MC504-I/PT's DSP engine. The single-cycle MAC and dual operand fetch sustain Park/Clarke transforms, space-vector modulation, and PI current loops within 10-20 kHz control rates typical of FOC drives. Sensorless observers such as sliding-mode or MRAS fit within the 48 KB RAM budget alongside application code in 512 KB Flash. The high-speed PWM with complementary outputs and dead-time drives the inverter directly, and the QEI accepts incremental encoder signals for sensored FOC. The industrial -40C to +85C temperature grade supports servo drives and traction inverters in industrial environments, while ECAN connectivity enables multi-axis coordination on industrial CAN networks.
موصى به
Digital Power Conversion (PFC / LLC)
The DSPIC33EP512MC504-I/PT targets digital power supply control loops. The 70 MIPS core and DSP-style addressing execute PFC and LLC control algorithms with deterministic cycle times. The high-speed PWM module generates the switching waveforms with programmable dead-time, while the on-chip ADC captures current and voltage feedback. The 512 KB Flash accommodates complex state machines and digital filter coefficients, and the 48 KB RAM stores lookup tables for DPWM modulation. With 35 GPIO and ECAN, the device exposes housekeeping pins and supports PMBus-style or CAN-based telemetry. The industrial -40C to +85C temperature grade covers server, telecom, and industrial PSU environments. Per the manufacturer datasheet, the dsPIC33E SMPS engine variants are designed for this class of application.
موصى به
Industrial Automation Nodes (CAN)
ECAN (CAN 2.0B) connectivity makes the DSPIC33EP512MC504-I/PT a fit for industrial automation. The device participates in CANopen or DeviceNet networks alongside sensors, actuators, and other controllers. The 70 MIPS core handles protocol stacks and application logic, while the 512 KB Flash stores node configuration and diagnostics. The high-speed PWM with dead-time drives small motors and solenoids, and the QEI accepts position feedback from process axes. The industrial -40C to +85C rating covers factory floor environments. With 35 GPIO in a 44-TQFP, the device fits compact PLC expansion modules and field I/O nodes requiring deterministic compute and industrial bus connectivity.
موصى به
Sensorless FOC Compressor Drives
The DSPIC33EP512MC504-I/PT is a strong fit for sensorless FOC compressor applications including HVAC compressors and refrigeration inverters. The single-cycle MAC sustains sliding-mode or MRAS observer algorithms, while the high-speed PWM drives the three-phase inverter with dead-time protection. The 512 KB Flash stores observer coefficients and compressor-specific control state machines, and 48 KB RAM accommodates working buffers. The -40C to +85C industrial temperature grade covers compressor electronics bay thermal envelopes. With ECAN, the drive participates in building automation networks. The 44-TQFP footprint suits compact compressor-control PCBs where board area is at a premium and 35 GPIO is sufficient for the drive plus housekeeping.
موصى به
Solar Inverter Control
The DSPIC33EP512MC504-I/PT executes MPPT algorithms and grid-tie inverter control loops at 70 MIPS. The DSP engine performs Park/Clarke transforms and grid synchronization math within microsecond loop times, while the high-speed PWM module drives the inverter bridge with dead-time control. The 512 KB Flash stores MPPT state machines, grid-tie firmware, and fault handlers, and 48 KB RAM accommodates filter buffers and lookup tables. ECAN enables participation in solar plant monitoring networks. The -40C to +85C industrial rating covers outdoor inverter enclosures. With 35 GPIO in a 44-TQFP, the device fits compact string-inverter designs while exposing ADC channels, PWM outputs, and communication pins required for grid-tie solar conversion.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC33EP512MC504-I/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC33EP512MC504-E/PT | DSPIC33EP256MC506-E/PT | DSPIC33EP512GM604-I/PT | DSPIC33EP512MC806-E/PT | DSPIC33EP512MC504-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-lead TQFP (10x10 mm) | 44-lead TQFP (10x10 mm) | 64-lead TQFP | 64-lead TQFP | 64-lead TQFP | 44-lead QFN |
| Core Architecture | dsPIC33E 16-bit DSC | dsPIC33E 16-bit DSC | dsPIC33E 16-bit DSC | dsPIC33E 16-bit DSC | dsPIC33E 16-bit DSC | dsPIC33E 16-bit DSC |
| Maximum CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Program Memory (Flash) | 512 KB | 512 KB | 256 KB (-50%) | 512 KB | 512 KB | 512 KB |
| Data RAM | 48 KB | 48 KB | 32 KB (-33%) | 48 KB | 48 KB | 48 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Motor Control PWM + QEI | Yes (MCPWM + QEI) | Yes (MCPWM + QEI) | Yes (MCPWM + QEI) | General-purpose (no MCPWM/QEI) | Yes (MCPWM + QEI) | Yes (MCPWM + QEI) |
| ECAN (CAN 2.0B) | Yes | Yes | Yes | Yes | Yes | Yes |
أبرز الفروقات
- Industrial temperature grade matches factory floor requirements (مقابلDSPIC33EP512MC504-E/PT)
- 44-pin TQFP balances pin count and peripheral density (مقابلDSPIC33EP512GM604-I/PT)
- 512 KB Flash and 48 KB RAM supports substantial algorithm storage (مقابلDSPIC33EP256MC506-E/PT)
ملاحظات التصميم
When programming the DSPIC33EP512MC504-I/PT via ICSP/ICD, you must use a single PGECx/PGEDx pair for both ICSPCLK and ICSPDAT. For example, if PGEC2 is used for ICSPCLK, then ICSPDAT must be connected to PGED2; mismatched pairs are the most common bring-up failure. All VSS and VDD pins must be connected, including the AVSS/AVDD analog supply pair. Decouple VDD with 100 nF plus 10 uF bulk, and place the 100 nF as close to the IC as the layout allows.
Estimated: at 70 MIPS full activity with all peripherals clocked, the DSPIC33EP512MC504-I/PT core current is in the 50-70 mA range from a 3.3 V supply, giving a typical core power of approximately 0.2 W. Use a low-dropout regulator rated for at least 200 mA with adequate thermal margin, and route the analog AVDD from a ferrite bead or LDO filtered node to minimize switching noise coupling into ADC readings. The analog supply should rise within 10 ms of VDD or the POR behavior may be unpredictable.
Place the 44-TQFP (10x10 mm) on a four-layer PCB with a dedicated ground plane beneath the device. Keep analog inputs (ANx, VREF+, VREF-) routed away from PWM switching traces to minimize digital-to-analog crosstalk; use a guard trace tied to AVSS between analog and digital sections. Keep the high-speed PWM traces short and matched within 5 mm for the complementary pairs (PWM1H/PWM1L etc.) to avoid shoot-through from timing skew. The QEI inputs should be length-matched within 2 mm for accurate position decoding.
Estimated: at 70 MIPS and full peripheral activity, the DSPIC33EP512MC504-I/PT in a 44-TQFP (10x10 mm) dissipates approximately 0.2-0.3 W worst case from a 3.3 V supply. The package theta_JA is approximately 50 C/W on a standard 4-layer JEDEC test board, resulting in a junction temperature rise of 10-15 C above ambient at full load. For designs at the upper end of the -40C to +85C industrial range, derate the clock frequency if ambient exceeds 70 C to maintain junction temperature below 125 C.
معلومات الامتثال
RoHS and REACH compliant per Microchip product page. The -I/PT variant is industrial temperature grade (-40C to +85C), not AEC-Q100 qualified; choose the automotive-grade -E variants with Q100 screening for automotive designs.
