DSPIC33FJ128MC710A-E/PT - 16-bit 40MIPS 128KB Flash DSC Motor Control TQFP-100
MPN: DSPIC33FJ128MC710A-E/PT ✓ نشطDSPIC33FJ128MC710A-E/PT نظرة عامة
Background - what is a Digital Signal Controller (DSC): a DSC such as the DSPIC33FJ128MC710A is a hybrid MCU/DSP that fuses the deterministic peripheral and interrupt behavior of a microcontroller with single-cycle MAC (multiply-accumulate) DSP operations. It sits within the hierarchy: DSC -> 16-bit microcontroller -> embedded MCU -> microcontroller IC. The dsPIC33F Motor Control sub-family in particular targets high-performance digital motor loops where PWM resolution, ADC sampling rate, and instruction determinism must coexist with code density higher than discrete DSP+MCU pairings.
Key features of the DSPIC33FJ128MC710A-E/PT include: 40 MIPS performance from a 3.3V supply, a 128 KB Flash program store, 8 KB of data RAM with 8 DMA channels, motor-control PWM modules with up to 8 outputs, a 10/12-bit ADC, dedicated quadrature encoder interfaces, and an integrated CAN module (ECAN). The 100-pin TQFP-100 package exposes the full peripheral set and is the largest variant of this family, sufficing for multi-axis motor drive designs.
Technically, the device implements a modified Harvard architecture with a 16-bit data path and a 24-bit instruction word, plus a DSP engine with a 40-bit accumulator for high-dynamic-range control loops. The /PT suffix on the package indicates the -40C to +125C extended-grade operating temperature range, while /E in the part number designates Enhanced (industrial) temperature, suiting factory-floor environments. The CMOS process core, eight DMA channels, and dual Flash panels enable live firmware updates and low-latency sensor feedback, which are critical for sensorless FOC and BLDC commutation.
Typical applications for the DSPIC33FJ128MC710A-E/PT include brushless DC motor (BLDC) and permanent-magnet synchronous motor (PMSM) field-oriented control, three-phase induction motor drives, switched reluctance motor control, digitally controlled UPS and solar inverters, automotive sensor modules, and industrial PLC positioning blocks.
A key design consideration is supply decoupling: with nine PWM channels and high-speed ADC sampling, place at least 100 nF and 10 uF ceramic decoupling on each VDD/AVDD pair and route motor switching traces away from analog inputs to preserve ADC SNR.
This page synthesizes Microchip product data, distributor pricing, and drop-in alternative MPNs not consolidated in the original datasheet - giving engineers a single shopping point for comparison and procurement.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع DSPIC33FJ128MC710A-E/PT (نفس عامل الشكل والبصمة) — يختلف في Operating Temperature, Package, ADC, Core Architecture, Timers.
DSPIC33FJ128MC510A-I/PF
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عرض ورقة البيانات ←DSPIC33FJ128MC710ATH/PT
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DSPIC33FJ128MC510A-I/PT
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DSPIC33FJ128MC506A-E/PT
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عرض ورقة البيانات ←DSPIC33FJ128MC710A-E/PT الحدود القصوى والخصائص الكهربائية
| Core Architecture | dsPIC33F (modified Harvard, 16-bit data, 24-bit instruction) |
| CPU Speed | 40 MIPS at 40 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) |
| Data RAM | 8 KB SRAM |
| DMA Channels | 8 |
| Timers | 9 (5 x 16-bit, 4 x 32-bit) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| درجة حرارة التشغيل | -40 C to +125 C (Extended) |
| Motor Control PWM | Yes, dedicated PWM module |
| ADC | 10/12-bit, multi-channel |
| Communication | ECAN, I2C, SPI, UART |
| العلبة | 100-TQFP (12 x 12 mm) |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
| Processor Family | dsPIC33F Motor Control |
تكوين أطراف DSPIC33FJ128MC710A-E/PT
| دبوس 1 | RP15/C1IND/RG0 — Remappable pin/Analog comparator input/N/C, see datasheet |
| دبوس 2 | RP14/RA15 — Remappable pin/Port A15 |
| دبوس 3 | RP13/PMA0/RA4 — Remappable/Parallel Master Address 0/Port A4 |
| دبوس 4 | RP12/PMA1/RA13 — Remappable/Parallel Master Address 1/Port A13 |
| دبوس 5 | RP11/PMA2/RC13 — Remappable/Parallel Master Address 2/Port C13 |
| دبوس 6 | RP10/PMA3/RC14 — Remappable/Parallel Master Address 3/Port C14 |
| دبوس 7 | RP9/C1OUT/PMA4/SDI1/RC15 — Remappable/Comparator 1 output/PMA4/SPI1 data in/Port C15 |
| دبوس 8 | RP8/PMA5/RA14 — Remappable/Parallel Master Address 5/Port A14 |
| دبوس 9 | MCLR — Master Clear (reset) input, drive low for reset |
| دبوس 10 | RP7/RA10 — Remappable/Port A10 |
| دبوس 11 | RP6/RA9 — Remappable/Port A9 |
| دبوس 12 | RP5/IC5/PMA6/RA8 — Remappable/Input Capture 5/Parallel Master Address 6/Port A8 |
| دبوس 13 | RP4/IC4/PMA7/RB15 — Remappable/Input Capture 4/Parallel Master Address 7/Port B15 |
| دبوس 14 | RP3/RA7 — Remappable/Port A7 |
| دبوس 15 | RP2/SDA2/RA6 — Remappable/I2C2 data/Port A6 |
| دبوس 16 | RP1/SCL2/RA5 — Remappable/I2C2 clock/Port A5 |
| دبوس 17 | RP0/INT0/RB14 — Remappable/External Interrupt 0/Port B14 |
| دبوس 18 | AVDD — Analog supply (tie to VDD or filtered supply) |
| دبوس 19 | AVSS — Analog ground reference |
| دبوس 20 | VDD — Digital supply (3.0 V to 3.6 V) |
| دبوس 21 | VSS — Digital ground |
التطبيقات النموذجية
DSPIC33FJ128MC710A-E/PT مناسب لـ 7 التطبيقs: BLDC and PMSM Field-Oriented Control, AC Induction Motor VFD Control, Switched Reluctance Motor Drive, Uninterruptible Power Supply (UPS) Inverter, Industrial Servo and Positioning Drives, Automotive 12V Auxiliary Motor Modules, Solar Micro-Inverter and MPPT Optimizer.
BLDC and PMSM Field-Oriented Control
Drives a three-phase BLDC or PMSM in sensored or sensorless FOC topology. The DSPIC33FJ128MC710A-E/PT's 40 MIPS DSP engine executes Park/Clarke transforms within a microsecond loop, while the dedicated motor-control PWM module generates complementary 8-output pairs with programmable dead time. Reference firmware AN1078 implements sensorless FOC on this device; the on-chip 10/12-bit ADC synchronized to the PWM edge eliminates jitter on current sampling. We recommend pairing the 710A with the MCP8026 gate driver and Microchip's 100 V MOSFETs for an integrated 1 kW inverter stage.
موصى به
AC Induction Motor VFD Control
Implements indirect field-oriented control (IFOC) for a three-phase induction motor drive. The DSPIC33FJ128MC710A-E/PT handles the slip calculation, indirect rotor flux estimator, and SVPWM entirely on-chip, removing the need for an external DSP. ECAN connectivity supports CANopen or J1939 industrial networks. The 8 DMA channels offload ADC double-buffering from the CPU, leaving headroom for HMI and current-loop interrupt service routines. Storing lookup tables for rotor-flux estimator within the 128 KB Flash avoids runtime calculation latency.
موصى به
Switched Reluctance Motor Drive
Executes a switched reluctance motor (SRM) commutation control loop with the DSPIC33FJ128MC710A-E/PT as the master controller. The high-resolution PWM and edge-triggered ADC convert Hall or shunt current signals into rotor-position estimation, while eight DMA streams keep feedback pipelines full without interrupting core loops. The 3.3V rail fits direct digital control of buck-derived gate-drive bias; the -40 C to +125 C /E grade ensures operation in harsh industrial enclosures.
موصى به
Uninterruptible Power Supply (UPS) Inverter
Controls a single-phase or three-phase UPS inverter in real time. The DSPIC33FJ128MC710A-E/PT supports sinusoidal PWM generation, battery-state Kalman filtering, and sinusoidal-synthesized output with sub-percent THD. With 128 KB Flash you can include both grid-tie and islanded-mode firmware images in a single MCU, enabling firmware-over-the-air updates via ECAN. The integrated quadrature decoder accepts external frequency references for synchronization to grid zero-crossing.
موصى به
Industrial Servo and Positioning Drives
Builds a digital servo loop with the DSPIC33FJ128MC710A-E/PT as the central processor, reading quadrature encoders and driving a PWM-driven H-bridge. The 9 timers support position, velocity, and acceleration sample rates on independent clocks while the 8-channel DMA streams encoder data into a circular buffer. CANopen over ECAN enables integration into multi-axis factory automation buses. The 100-TQFP package exposes the full peripheral set needed for synchronized multi-axis control on a single MCU.
موصى به
Automotive 12V Auxiliary Motor Modules
Drives 12V automotive auxiliary pumps and fans such as coolant pumps, oil pumps, HVAC blowers, and electronic throttle controls. While the DSPIC33FJ128MC710A-E/PT itself is industrial-grade (-40 C to +125 C), firmware proven on this MCU can be ported to the AEC-Q100 automotive variant of the dsPIC33F family. Hardware peripherals such as the dedicated motor-control PWM, the 12-bit ADC, and ECAN are reused directly from this platform, accelerating the design-port process.
موصى به
Solar Micro-Inverter and MPPT Optimizer
Combines MPPT perturb-and-observe control and a high-frequency DC-AC converter inside a single dsPIC chip. The DSPIC33FJ128MC710A-E/PT runs the perturb-and-observe MPPT loop at kHz rates, drives a high-frequency transformer inverter through PWMs, and synchronizes to the 50/60 Hz grid via ECAN/PLL. The 128 KB Flash accommodates multiple firmware images (commissioning, normal-mode, fault-mode) without external storage.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC33FJ128MC710A-E/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC33FJ128MC510A-I/PF | DSPIC33FJ128MC510A-E/PT | DSPIC33FJ128MC710ATH/PT | DSPIC33FJ128MC510A-I/PT | DSPIC33FJ128MC506A-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 | 100-TQFP (12x12 mm) - same |
| Program Memory (Flash) | 128 KB | 64 KB | 64 KB | 128 KB | 64 KB | 128 KB |
| CPU Speed | 40 MIPS (40 MHz) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) |
| CAN Module | ECAN | ECAN | ECAN | ECAN | ECAN | ECAN |
| Motor Control PWM | Yes, 8-output pair | Yes, 8-output pair | Yes, 8-output pair | Yes, 8-output pair | Yes, 8-output pair | Yes, 8-output pair |
أبرز الفروقات
- Largest Flash density in the 100-pin TQFP 33F family (مقابلDSPIC33FJ128MC510A-I/PF)
- Identical die to TH variant - clean second-source path (مقابلDSPIC33FJ128MC710ATH/PT)
- Extended-temperature grade for industrial enclosures (مقابلDSPIC33FJ128MC510A-I/PT)
ملاحظات التصميم
Tie AVDD to the same 3.3 V supply as VDD through a ferrite bead with 10 uF and 100 nF decoupling placed within 5 mm of the AVDD pin; add a single shared bulk capacitor of at least 47 uF on the supply rails. This isolation filters switching noise from the digital logic so the 10/12-bit ADC sees a clean analog rail. Avoid routing high-dV/dt PWM traces near AVDD traces on the top layer to keep ADC SNR within datasheet spec.
Place the 4-pin oscillator network within 2 cm of the OSC1/OSC2 pins and guard the traces with a GND ring to prevent PWM ripple from injecting into the system clock. Use a 4-layer PCB with a continuous ground plane to reduce EMI; route motor phase traces symmetrically to keep phase inductance matched. Keep PW<->feedback loop trace lengths matched for the ADC current sense resistors.
Do not skip configuration of the FPOR (Flash Partition) bits during boot - failing to do so can leave unused Flash areas unsecured, allowing accidental code execution from an uninitialized region. Enable the JTAG Debug Bit (DEBUG_OFF) in the IEC0/JTAGEN register only after firmware is finalized, otherwise debug-capable tools may access internal Flash. Never configure the PWM in complementary mode without setting the proper dead-time compensation or you risk shoot-through on the half-bridge.
When using the dsPIC33F's ECAN module at 1 Mbit/s, place a CAN bus transceiver such as MCP2551 with 120 ohm terminating resistors on both ends of the bus; ground the transceiver ground pin with a short connection to the PCB ground plane. Avoid T-junctions; use a single daisy-chain topology. Shield twisted-pair wiring with the shield grounded at one point to reduce emissions.
معلومات الامتثال
RoHS compliant per Microchip product page. -E/PT is industrial Extended grade and is NOT AEC-Q100 qualified; the separate -VAO suffix variant is AEC-Q100 automotive-grade. Halogen-free status not explicitly listed in provided source data.
