DSPIC33EP64MC502-I/MM - 16-bit 70 MIPS DSC, 64KB Flash | Microchip
MPN: DSPIC33EP64MC502-I/MM ✓ فعالDSPIC33EP64MC502-I/MM جائزہ
A digital signal controller combines the control peripherals of a microcontroller with the mathematical throughput of a DSP engine on a single chip. Within the power-management hierarchy, the DSC sits above a standard MCU and below a full DSP-plus-MCU two-chip solution, making the dsPIC33E family a single-chip choice for embedded control loops that require multiply-accumulate throughput.
Key features include the dsPIC33E core with integrated DSP instruction set, high-speed MCPWM (motor control PWM) peripherals, a Quadrature Encoder Interface (QEI) for positional feedback, 4 DMA channels, 5 timers, and 3 external interrupt sources. According to Microchip product data, the device uses a multiple internal bus architecture and CMOS process technology with low-power operating modes.
The MC502 variant targets precision motor control: the high-speed PWM module with advanced analog integration enables field-oriented control of brushless DC (BLDC) and permanent magnet synchronous motors (PMSM) with fine PWM resolution. The 8K-word SRAM supports control-loop state variables, filters, and commutation tables without external memory.
Typical applications include BLDC and PMSM motor drives, digital power supplies (DC-DC, PFC, inverters), battery charging systems, and industrial automation sensor nodes. The industrial temperature grade (-40C to +85C) suits factory-floor environments.
Design consideration: the -I/MM package uses an exposed thermal pad that must be soldered to a grounded PCB pour for both thermal relief and signal integrity; also budget VDDCORE decoupling via the VCAP pin per the family datasheet DS70000657J.
This page synthesizes distributor pricing, drop-in same-family alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل DSPIC33EP64MC502-I/MM — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں DSPIC33EP64MC502-I/MM (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Operating Temperature, Package, RoHS Status, Program Memory (Flash), Core Architecture.
DSPIC33EP64MC502-E/MM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33EP64MC502-H/MM
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33EP128MC502-I/MM
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33EP32MC502-I/MM
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33EP64MC202-I/MM
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33EP128MC202-I/MM
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33EP64MC502-I/MM زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | 16-bit dsPIC33E DSC core |
| زیادہ سے زیادہ کلاک فریکوئنسی | 60 MHz |
| Core Performance | 70 MIPS |
| Program Memory (Flash) | 64 KB (22K x 24) |
| SRAM | 8 KB (8192 words) |
| DMA Channels | 4 |
| Timers | 5 |
| External Interrupts | 3 |
| PWM Module | MCPWM (motor control PWM, high-speed) |
| Encoder Interface | QEI (Quadrature Encoder Interface) |
| آپریٹنگ درجہ حرارت | -40C to +85C (industrial, I-grade) |
| پیکیج | 28-QFN-S, 6x6 mm |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Process Technology | CMOS |
DSPIC33EP64MC502-I/MM پن کنفیگریشن
| پن 1 | MCLR — Master clear reset input, active low |
| پن 2 | AN0/CN2/RB0 — Analog input 0 / change notification / port B bit 0 |
| پن 3 | AN1/CN3/RB1 — Analog input 1 / change notification / port B bit 1 |
| پن 4 | AN2/CN4/RB2 — Analog input 2 / change notification / port B bit 2 |
| پن 5 | AN3/CN5/RB3 — Analog input 3 / change notification / port B bit 3 |
| پن 6 | VSS — Ground reference |
| پن 7 | VDD — Positive supply |
| پن 8 | OSC1/CLKI/RA2 — Crystal oscillator input / external clock input |
| پن 9 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output |
| پن 10 | RP35/RF0 — Remappable peripheral pin (per DS70000657J pin tables) |
| پن 11 | RP20/RF1 — Remappable peripheral pin (per DS70000657J pin tables) |
| پن 12 | RP21/RF2 — Remappable peripheral pin, SDI1 candidate (per DS70000657J) |
| پن 13 | RP22/RF3 — Remappable peripheral pin, SDO1 candidate (per DS70000657J) |
| پن 14 | VCAP/VDDCORE — Core voltage capacitor connection - external capacitor required |
| پن 15 | RP40/RF4 — Remappable peripheral pin (per DS70000657J pin tables) |
| پن 16 | RP41/RF5 — Remappable peripheral pin (per DS70000657J pin tables) |
| پن 17 | AN4/CN1/RB5 — Analog input 4 / change notification / port B bit 5 |
| پن 18 | RP18/RF6 — Remappable peripheral pin (per DS70000657J pin tables) |
| پن 19 | RP19/RF7 — Remappable peripheral pin (per DS70000657J pin tables) |
| پن 20 | RP24/RF8 — Remappable peripheral pin (per DS70000657J pin tables) |
| پن 21 | RP68/RF13 — Remappable peripheral pin (per DS70000657J pin tables) |
| پن 22 | AN9/RP69/RF13-class — Verify exact multiplexing against DS70000657J pin diagrams |
| پن 23 | RP23/RB14-class — Verify exact multiplexing against DS70000657J pin diagrams |
| پن 24 | PGD/RP-class — Programming data / remappable I/O - verify against DS70000657J |
| پن 25 | PGC/RP-class — Programming clock / remappable I/O - verify against DS70000657J |
| پن 26 | RP-class/RC-class — Verify exact multiplexing against DS70000657J pin diagrams |
| پن 27 | AVSS — Analog ground (per family datasheet power pin arrangement) |
| پن 28 | AVDD — Analog supply (per family datasheet power pin arrangement) |
عام استعمالات
DSPIC33EP64MC502-I/MM کے لیے موزوں ہے 6 ایپلیکیشنs: BLDC Motor Control, Digital Power Supplies, Battery Charging Systems, Industrial Automation and Sensing, Embedded Signal Processing Nodes, PMSM Servo Drives.
BLDC Motor Control
The DSPIC33EP64MC502-I/MM is purpose-built for brushless DC motor drives: its MCPWM high-speed PWM module generates complementary PWM pairs with fine edge resolution for field-oriented control, while the QEI reads quadrature encoder signals directly for rotor position. Running at 70 MIPS, the 16-bit core executes Clarke/Park transforms and PI current loops within a single PWM period, and the 4 DMA channels offload ADC results without CPU overhead. In a typical 24 V drive, the DSC interfaces with a 3-phase gate driver over its remappable RPx pins; the 8 KB SRAM holds state observers and commutation tables. Compared with a generic MCU, the DSP engine's MAC throughput shortens loop execution and enables quieter, more energy-efficient motors.
تجویز کردہ
Digital Power Supplies
Switching power converters - DC-DC, PFC stages, and inverters - need deterministic, high-frequency control loops that this DSC delivers with its 70 MIPS core and high-speed PWM. The MCPWM module provides phase-shifted or complementary outputs with fine resolution, which is essential for phase-shifted full-bridge and LLC topologies where effective resolution above 10 bits is required at 100+ kHz switching frequencies. ADC sampling can be synchronized to PWM events via DMA for accurate average-current-mode control. The industrial -40C to +85C rating covers telecom and industrial PSU environments. Design trade-off: budget code space for the compensator math within the 64 KB Flash, or move up to the pin-compatible DSPIC33EP128MC502-I/MM if feature-rich firmware is planned.
تجویز کردہ
Battery Charging Systems
Smart battery chargers require CC/CV charge profiling, temperature monitoring, and protection sequencing - all natural fits for the DSPIC33EP64MC502-I/MM. Its analog front-end inputs (AN0-AN3 on RB0-RB3) monitor battery voltage, current sense amplifiers, and NTC thermistors, while the MCPWM drives the buck charging stage. The 70 MIPS core implements state machines for Li-ion CC/CV taper, trickle pre-charge, and fault handling with PID loops for stable current regulation. Three external interrupts support pack protection events (over-current, over-temperature) with fast response, and 4 DMA channels keep ADC streaming out of the critical loop. The 28-QFN 6x6 mm footprint suits compact charger PCBs in power tools and e-mobility packs.
تجویز کردہ
Industrial Automation and Sensing
Factory automation nodes benefit from this DSC's combination of control peripherals and signal-processing throughput. The 4 DMA channels, 5 timers, and 3 external interrupts support deterministic sequencing of actuators and sensors, while the DSP engine performs digital filtering and FFT-based condition monitoring (e.g., vibration analysis on motor bearings) locally, reducing host traffic. Remappable RPx pins let one firmware image drive different I/O maps for product variants, cutting SKU proliferation. The 64 KB Flash accommodates communication stacks and diagnostics, and the -40C to +85C industrial grade is standard for panel and machine-mounted electronics. QEI inputs also make it a direct axis-position interface for incremental encoders in positioning systems.
تجویز کردہ
Embedded Signal Processing Nodes
Applications that sit between a plain MCU and a full DSP - such as active filtering, tone detection, and sensor fusion - fit the dsPIC33EP64MC502-I/MM's single-chip DSP-plus-control architecture. The DSP instruction set provides single-cycle MAC and dual operand fetch, so biquad IIR and FIR filters run in a small fraction of the interrupt budget compared with software-emulated math on a standard 8-bit MCU. The 8 KB SRAM buffers several milliseconds of sampled data at typical control rates, and DMA moves ADC samples without CPU stalls. One-chip integration of PWM, QEI, and communication interfaces eliminates the two-chip MCU-plus-DSP bill of materials, reducing cost and board area in compact instrumentation.
تجویز کردہ
PMSM Servo Drives
Permanent magnet synchronous motor servo drives demand fast current loops, precise rotor-angle tracking, and flexible PWM - exactly the peripheral set of this part. The QEI decodes incremental encoder feedback (A/B/Z channels) with 4x decoding, the MCPWM generates center-aligned space-vector PWM with dead-time insertion, and the 70 MIPS core closes current loops at PWM frequency for smooth low-speed torque. Field weakening and MTPA algorithms fit within the 64 KB Flash alongside a communication stack. Compared with sensorless-only solutions, the encoder-based QEI path provides absolute-referenced angle startup and high dynamic stiffness, making the MC502 well suited to robotics joints, CNC axes, and pick-and-place machinery where holding torque accuracy matters.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا DSPIC33EP64MC502-I/MM — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | DSPIC33EP64MC502-E/MM | DSPIC33EP64MC502-H/MM | DSPIC33EP128MC502-I/MM | DSPIC33EP64MC202-I/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Performance | 16-bit, 60 MHz, 70 MIPS | 16-bit, 60 MHz, 70 MIPS | 16-bit, 60 MHz, 70 MIPS | 16-bit, 60 MHz, 70 MIPS | 16-bit, 60 MHz, 70 MIPS |
| Flash Memory | 64 KB (22K x 24) | 64 KB (22K x 24) | 64 KB (22K x 24) | 128 KB (44K x 24) | 64 KB (22K x 24) |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| MC50x Advanced Analog / Enhanced PWM | Yes (MCPWM + advanced analog) | Yes | Yes | Yes | No (MC20x feature set) |
| Temperature Grade | -40C to +85C (I) | Extended grade (E) | -40C to +85C class (H) | -40C to +85C (I) | -40C to +85C (I) |
| DMA Channels / Timers | 4 DMA / 5 timers | 4 DMA / 5 timers | 4 DMA / 5 timers | 4 DMA / 5 timers | 4 DMA / 5 timers |
اہم امتیازی خصوصیات
- Twice the Flash headroom on same footprint (بمقابلہDSPIC33EP128MC502-I/MM)
- MC50x advanced analog and enhanced motor-control PWM (بمقابلہDSPIC33EP64MC202-I/MM)
- Surface-mount QFN vs through-hole DIP availability (بمقابلہDSPIC33EP64MC502-I/SP)
ڈیزائن نوٹس
The 28-QFN-S exposed pad under the DSPIC33EP64MC502-I/MM must be soldered to a grounded copper pour - it is a primary ground/thermal path, not an optional tab. Use an array of thermal vias (typically 3x3) connecting the pad to internal ground planes. For the VCAP/VDDCORE pin, place the specified bulk ceramic capacitor as close to pin 14 as possible with a short, wide trace; insufficient core decoupling is a leading cause of erratic reset behavior on dsPIC33EP parts. Follow the layout guidelines in family datasheet DS70000657J.
Verify the exact operating voltage range in DS70000657J before finalizing the rail design; dsPIC33EP-class parts are typically powered from a single 3.0-3.6 V supply with the core rail regulated internally via VCAP. Keep the analog supply (AVDD/AVSS) fed through an RC or ferrite filter from the digital VDD rail to preserve ADC accuracy in motor-control current loops. Sequence MCLR with a pull-up resistor (4.7k-10k typical) and an RC delay or supervisor to guarantee clean power-on reset across slow-rising supplies.
Exploit Peripheral Pin Select (PPS): route PWM outputs to pins adjacent to the gate driver connector and encoder QEI inputs away from PWM switching edges to reduce crosstalk. Keep the crystal loop (OSC1/OSC2, pins 8-9) compact with guard ground, or drive CLKI from an external oscillator to avoid crystal start-up issues at 60 MHz system frequencies. In motor drives, separate the ADC analog inputs (RB0-RB3) routing from PWM/gate-drive traces and add RC anti-alias filters sized to the PWM sampling scheme.
Flash programming requires the correct PGD/PGC pairing and MCLR at programming voltage per the device programming specification - do not repurpose the dedicated ICSP pins 24-25 as strong pull-downs in application hardware, or in-circuit programming will fail. When substituting family variants (e.g., 32 KB for 64 KB Flash), confirm the compiler memory model and linker script match the target device; the same QFN footprint does not guarantee identical configuration-bit defaults across MC20x and MC50x feature sets.
تعمیل کی معلومات
Compliance status was not stated in the provided distributor/manufacturer data; verify RoHS/REACH/lead-free status on the Microchip product page or DigiKey compliance documents before export-controlled production. The -I/MM suffix denotes the industrial temperature grade (-40C to +85C).
