DSPIC33FJ64MC508-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip dsPIC33FJ64MC508 is a 16-bit digital signal controller with 64 KB Flash, 8 KB RAM, and a 40 MIPS performance core. Features motor control PWM, QEI, and 12-bit ADC. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 80
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- DSPIC33FJ64MC508-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 16-bit DSP core running at up to 40 MIPS for real-time motor control algorithms
- Dedicated motor control PWM module with 8 complementary output channels for precision drive
- 12-bit ADC with up to 1.1 Msps sampling rate and 16 input channels for high-resolution sensing
- Quadrature Encoder Interface (QEI) for accurate position and speed feedback in servo applications
- Wide 2.5 V to 3.6 V operating voltage range with industrial temperature support from -40°C to +85°C
Applications
The DSPIC33FJ64MC508-I/PT is designed for embedded motor control applications, including BLDC, PMSM, and AC induction motor drives requiring real-time DSP computation at 40 MIPS. It suits industrial automation, power conversion, and robotics where the integrated QEI, motor control PWM, and 12-bit ADC reduce external component count. The device also fits digital power supply control, solar inverters, and automotive ancillary systems operating from a 3.3 V supply rail.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-80 |
| Factory Lead Time | 6Weeks |
| YTEOL | 3 |
| Barrel Shifter | YES |
| Bit Size | 16 |
| Boundary Scan | YES |
| Clock Frequency-Max | 64MHz |
| Format | FIXED POINT |
| Internal Bus Architecture | MULTIPLE |
| JESD-30 Code | S-PQFP-G80 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP80,.55SQ |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
| Qualification Status | Not Qualified |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum clock frequency and CPU performance of the DSPIC33FJ64MC508-I/PT?
The DSPIC33FJ64MC508-I/PT operates at up to 64 MHz oscillator frequency, delivering 40 MIPS of sustained 16-bit DSP throughput. This allows real-time execution of motor control and signal processing algorithms without an external co-processor, making it well suited for closed-loop servo loops running at 20 kHz or higher update rates.
Which motor topologies can be driven directly using the DSPIC33FJ64MC508-I/PT PWM module?
The integrated motor control PWM module provides 8 complementary output channels with programmable dead-time insertion, supporting BLDC, PMSM, and AC induction motor topologies directly. Combined with the on-chip Quadrature Encoder Interface and 12-bit ADC sampling at up to 1.1 Msps, a complete closed-loop field-oriented control (FOC) system can be built with minimal external hardware for drives up to several kilowatts.
What are the Flash and RAM sizes in the DSPIC33FJ64MC508-I/PT, and is the memory enough for a real-time OS?
This device includes 64 KB of program Flash and 8 KB of data SRAM. The 64 KB Flash is sufficient for compact real-time OS kernels such as FreeRTOS together with a motor control application, while 8 KB SRAM supports multiple task stacks and DMA buffers. A 80-pin TQFP package with 5 DMA channels further assists high-throughput peripheral data movement without burdening the 40 MIPS core.
What is the operating voltage and temperature range, and is the DSPIC33FJ64MC508-I/PT suitable for industrial environments?
The device operates from 2.5 V to 3.6 V supply voltage and across an industrial temperature range of -40°C to +85°C. The I-grade designation confirms industrial qualification, making it reliable for factory automation, power electronics, and other environments with wide thermal excursions and noisy supply conditions.
When would the DSPIC33FJ64MC508-I/PT be preferred over a general-purpose PIC32 microcontroller for a motor drive design?
When a design requires hardware DSP multiply-accumulate instructions, dedicated motor control PWM with dead-time control, and a Quadrature Encoder Interface all on one chip at 40 MIPS, the dsPIC33FJ64MC508 avoids the software overhead and extra GPIO needed on a general-purpose PIC32. The fixed-point DSP core executes Park and Clarke transforms in fewer cycles than software floating-point, reducing latency in high-speed FOC loops operating at switching frequencies of 10 kHz to 20 kHz.
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