DSPIC33FJ256MC710-I/PT - 40 MIPS 16-bit DSC, 256KB Flash | Microchip
MPN: DSPIC33FJ256MC710-I/PT ✓ פעילDSPIC33FJ256MC710-I/PT סקירה
A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic interrupt response and peripheral integration of a microcontroller (MCU) with the single-cycle multiply-accumulate (MAC) throughput of a digital signal processor (DSP). In the embedded-control hierarchy, a DSC sits between general-purpose 16-bit MCUs (such as the PIC24 family) and standalone DSPs, making it the de-facto choice for high-bandwidth control loops such as field-oriented motor control, digital power conversion, and sensor-fusion front ends.
Key features of the DSPIC33FJ256MC710-I/PT include a 40 MIPS modified-Harvard 16-bit core with DSP engine extensions (17-bit x 17-bit single-cycle multiplier and 40-bit accumulator), an 8-channel DMA controller, dual 10-bit/12-bit-configurable ADC modules supporting simultaneous sampling, motor-control PWM with dedicated time bases, an ECAN interface, and self-programmable Flash for in-field firmware upgrades.
Architecturally, the dsPIC33F core integrates a 24-bit instruction word with 16-bit data paths, enabling both 16-bit MCU and DSP instruction sets in one binary-compatible ISA. Seamless migration paths to PIC24 MCUs and dsPIC30F DSCs in similar 100-pin TQFP packages are supported per the Microchip product page, allowing teams to scale memory or peripheral counts without redesigning the PCB.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous (PMSM) motor drives, single- and three-phase induction motor control, switched-reluctance drives, digital switch-mode power supplies, and industrial sensor-front-end processing. The motor-control PWM (with complementary outputs and programmable dead time) and dual simultaneous-sampling ADCs make this DSC particularly well-suited to sensorless field-oriented control (FOC).
Multiple PGECx / PGEDx pin pairs are exposed for ICSP programming and debugging; the pair used must remain consistent, and every VDD / VSS pin must be connected, otherwise programming may fail.
This page synthesizes distributor pricing, drop-in 100-pin TQFP alternatives, and practical design notes not consolidated in the manufacturer datasheet.
חלופות תחליף ישיר עבור DSPIC33FJ256MC710-I/PT — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם DSPIC33FJ256MC710-I/PT (אותו גורם צורה וטביעת רגל) — שונים ב Package, Operating Temperature, Core Architecture, Programming Interface, ADC.
DSPIC33FJ256MC710A-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33FJ256MC710-I/PF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33FJ256MC710T-I/PF
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33FJ256MC710A-E/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33FJ256GP710-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33FJ256MC510T-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33FJ256MC710-I/PT דירוגים מרביים ומאפיינים חשמליים
| Device Family | dsPIC33F Motor Control Family |
| Core Architecture | 16-bit Modified Harvard with DSP Engine |
| Maximum CPU Speed | 40 MIPS |
| Program Memory (Flash) | 256 KB |
| RAM | 30 KB |
| Operating Voltage Range | 3.0 V to 3.6 V |
| טווח טמפרטורת פעולה | -40 C to +85 C (Industrial) |
| מארז | 100-pin TQFP (PT) 12x12 mm |
| ADC | Dual 10-bit, up to 32 channels (simultaneous sampling) |
| Motor Control PWM Channels | 8 outputs with programmable dead time |
| DMA Channels | 8 |
| Communication Interfaces | ECAN, UART, SPI, I2C |
| Timers | Five 16-bit timers / two 32-bit timers |
| ICSP Debug Pins | Multiple PGECx/PGEDx pairs |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
| Lead-Free | Yes |
מדריך תצורת פינים של DSPIC33FJ256MC710-I/PT 100-pin tqfp (pt) 12x12 mm
תצורת פינים עבור DSPIC33FJ256MC710-I/PT (מארזת 100-pin tqfp (pt) 12x12 mm). מעגל משולב דיגיטלי זה כולל GPIO, ממשקי תקשורת (UART, SPI, I2C) ופיני מתח. יש לעיין בגיליון הנתונים של היצרן לפונקציות פינים חלופיות ולאפשרויות תצורה. חיוני לתכנון מערכות משובצות ולפריסת PCB.
אין נתוני פריסת פינים מפורטים עבור DSPIC33FJ256MC710-I/PT.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
DSPIC33FJ256MC710-I/PT מתאים עבור 6 יישוםs: Brushless DC (BLDC) Motor Drive, Permanent-Magnet Synchronous Motor (PMSM) FOC Drive, Digital Switch-Mode Power Supply (SMPS), Industrial Field-Oriented Control (FOC) Inverter, Switched-Reluctance Motor (SRM) Drive, Industrial Sensor Signal Processing.
Brushless DC (BLDC) Motor Drive
The DSPIC33FJ256MC710-I/PT is purpose-built for three-phase BLDC motor control. Its 8-channel PWM with programmable dead time and dual simultaneous-sampling ADCs (up to 32 channels, 10-bit at 1 Msps) align directly with current-sensing FOC loops. Running 40 MIPS, the core completes a full Park/Clarke transform and PI loop within microseconds, fitting 20 kHz+ switching frequencies.
מומלץ
Permanent-Magnet Synchronous Motor (PMSM) FOC Drive
For sensorless and sensored PMSM drives, the DSPIC33FJ256MC710-I/PT's 17-bit x 17-bit single-cycle multiplier and 40-bit accumulator execute Park/Clarke transforms and PI control without software overhead. The 256 KB Flash holds observer state machines and parameter tables, while 30 KB RAM buffers three-phase samples per PWM period.
מומלץ
Digital Switch-Mode Power Supply (SMPS)
For digitally controlled SMPS, the DSPIC33FJ256MC710-I/PT combines DSP-grade MAC throughput with a high-speed PWM suitable for 100 kHz+ digital current-mode control loops. The 40 MIPS core executes digital compensator topology within switching periods, while the 256 KB Flash stores multi-mode firmware and 30 KB RAM buffers ADC samples.
מומלץ
Industrial Field-Oriented Control (FOC) Inverter
Three-phase industrial inverters benefit from the DSPIC33FJ256MC710-I/PT's motor-control PWM with complementary outputs, programmable dead time, and dual ADCs supporting simultaneous phase-current sampling. The 8-channel DMA offloads ADC-to-RAM transfers, freeing the 40 MIPS core for FOC mathematics. ECAN supports industrial fieldbus connectivity.
מומלץ
Switched-Reluctance Motor (SRM) Drive
Switched-reluctance drives require precise commutation timing and high-resolution current measurement. The DSPIC33FJ256MC710-I/PT's 8-channel motor-control PWM with programmable dead time provides independent phase timing. The 30 KB RAM accommodates position-decoding tables and per-phase current profiles for torque-ripple minimization.
מומלץ
Industrial Sensor Signal Processing
Beyond motor control, the DSPIC33FJ256MC710-I/PT functions as a DSP-grade signal-processing node for industrial sensors. The single-cycle MAC at 40 MIPS executes FFT, FIR/IIR filters and sensor-fusion algorithms in real time. Dual ADCs sample up to 32 channels simultaneously, while ECAN and UART interfaces integrate with factory networks.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DSPIC33FJ256MC710-I/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DSPIC33FJ256MC710A-I/PT | DSPIC33FJ256MC710-I/PF | DSPIC33FJ256MC710T-I/PF | DSPIC33FJ256MC710A-E/PT | DSPIC33FJ256GP710-I/PT | DSPIC33FJ256MC510T-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (PT) 12x12 mm | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same |
| Core Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| RAM | 30 KB | 30 KB | 30 KB | 30 KB | 30 KB | 30 KB | ~16 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C |
| Motor-Control PWM | 8 channels | 8 channels | 8 channels | 8 channels | 8 channels | 4 channels | 8 channels |
| Silicon Revision | Original | A (newer) | Original | Original | A (newer) | Original GP | Original 510 |
מבדילים עיקריים
- Silicon revision A is recommended for new designs (לעומתDSPIC33FJ256MC710A-I/PT)
- Same 100-pin TQFP footprint across MC and GP variants (לעומתDSPIC33FJ256GP710-I/PT)
- Larger RAM for advanced FOC algorithms (לעומתDSPIC33FJ256MC510T-I/PT)
הערות תכנון
Estimated - The 100-pin TQFP (PT) package has a 0.5 mm lead pitch; the PCB footprint must use NSMD (Non-Solder Mask Defined) pads per Microchip design guidelines to avoid solder bridging. Route at least one solid ground plane directly under the package, and place 0.1 uF decoupling capacitors within 3 mm of every VDD/VSS pair. Use a 4-layer PCB (signal / ground / power / signal) for best EMI performance on motor-drive designs.
Per the northernsoftware.com pinout reference: the DSPIC33FJ256MC710-I/PT has multiple PGECx / PGEDx pin pairs for ICSP. The pair used for programming must be kept consistent - if PGEC2 is selected for ICSPCLK, then ICSPDAT must be connected to PGED2. All VDD and VSS pins must be connected even if the application does not appear to use them; otherwise ICSP programming may fail intermittently.
Estimated - The 100-pin TQFP (PT) package has a thermal resistance (theta_JA) of approximately 50-60 C/W on a standard 4-layer JEDEC test board. At maximum 40 MIPS and 3.3V operation with all peripherals active, internal current is roughly 80 mA, so junction-to-ambient rise is about 4-5 C - well within industrial limits. For extended -40C to +125C parts (e.g. DSPIC33FJ256MC710A-E/PT), verify margin via IR thermography at full CPU and peripheral load.
For three-phase motor-control FOC layouts using the DSPIC33FJ256MC710-I/PT, route the two ADC analog input pairs (AN0-AN7 and AN8-AN15) as parallel length-matched traces with a ground shield to minimize current-sense crosstalk. Keep the analog ground (AGND) island separate from the digital ground and join only at one point beneath the IC. Place the current-sense op-amps within 10 mm of the ADC pins.
מידע על תאימות
RoHS and lead-free status per Microchip product page; industrial temperature grade -40C to +85C. AEC-Q100 not applicable for industrial-grade DSC.