DSPIC33FJ64MC710-I/PT Microchip Integrated Circuit (Other) In Stock
DSPIC33FJ64MC710 is a 16-bit digital signal controller with 64 KB Flash, running at up to 64 MHz with a fixed-point DSP engine and hardware barrel shifter. It operates from a 3.3 V supply, features motor control PWM and multiple internal bus architecture, and includes JTAG boundary scan. Packaged in a 100-pin TQFP for motor control and embedded digital signal processing applications.
- Manufacturer
- Microchip
- Package
- Other
- Pin Count
- 100
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- DSPIC33FJ64MC710-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.0700(MOQ 60)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of DSPIC33FJ64MC710-I/PT?
- 16-bit DSP core with fixed-point arithmetic and hardware barrel shifter
- 64 KB Flash program memory with up to 64 MHz clock frequency
- Motor control PWM peripheral for BLDC and PMSM drive applications
- Multiple internal bus architecture for parallel data and instruction fetch
- JTAG boundary scan support for in-circuit debugging and test
- 100-pin TQFP package with extensive peripheral set for complex embedded systems
What is DSPIC33FJ64MC710-I/PT used for?
The DSPIC33FJ64MC710 is designed for high-performance motor control applications including brushless DC (BLDC) motor drives, permanent magnet synchronous motor (PMSM) field-oriented control, and stepper motor systems requiring real-time current loop closure at rates up to 20 kHz. Its DSP core with fixed-point arithmetic enables simultaneous PID control loops, Clarke-Park transforms, and space vector modulation calculations within a single 64 MHz controller. It is also used in power conversion systems such as digital power supply controllers and solar inverters where fast ADC sampling and PWM generation must be tightly synchronized.
What are the specifications of DSPIC33FJ64MC710-I/PT?
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-100 |
| 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-G100 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP100,.55SQ,16 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| 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 | 0.4mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
| Package | Other |
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 | Taiwan, Thailand |
Where can I find the DSPIC33FJ64MC710-I/PT datasheet?
DSPIC33FJ64MC710-I/PT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for DSPIC33FJ64MC710-I/PT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the DSPIC33FJ64MC710 handle real-time motor current loop control at high switching frequencies?
The DSPIC33FJ64MC710 uses its dedicated motor control PWM peripheral and high-speed ADC to synchronize current sampling with PWM switching events, enabling current loop closure at rates up to 20 kHz. The 16-bit DSP fixed-point engine executes Clarke-Park transforms and PID calculations in under 1 µs at 64 MHz, ensuring latency is well within the control bandwidth required for efficient BLDC or PMSM drive. The multiple internal bus architecture allows simultaneous instruction fetch and data access, preventing pipeline stalls during time-critical control routines.
What is the maximum clock frequency of the DSPIC33FJ64MC710 and how does it affect DSP throughput?
The DSPIC33FJ64MC710 operates at a maximum clock frequency of 64 MHz with an instruction cycle of 1/64 µs, executing most single-cycle DSP instructions at 64 MIPS. At this rate, the fixed-point DSP engine can complete a 16-bit multiply-accumulate (MAC) operation in a single 15.6 ns clock cycle, supporting high-throughput digital filter processing and fast control loop calculations. For a typical 3-phase motor control application, the 64 MHz core is sufficient to run a complete FOC algorithm including ADC sampling, coordinate transforms, and PWM update within a 50 µs interrupt service routine.
For a BLDC motor drive design, when would DSPIC33FJ64MC710 be chosen over a simpler 8-bit MCU?
A DSPIC33FJ64MC710 is chosen over an 8-bit MCU when the motor control algorithm requires 16-bit or 32-bit arithmetic for sin/cos tables, PI controller output, or space vector PWM calculations that would overflow 8-bit data paths. Its dedicated motor control PWM with complementary outputs, dead-band insertion, and fault shutdown simplifies hardware design for a 3-phase inverter bridge, eliminating external gate driver logic. For motor drive systems requiring a current loop bandwidth above 1 kHz or position estimation accuracy better than ±5 electrical degrees, the DSPIC33FJ64MC710 provides the computational margin that 8-bit MCUs cannot.
How does the 100-pin TQFP package influence the PCB design for a multi-axis motor controller?
The 100-pin TQFP package provides access to the DSPIC33FJ64MC710's full peripheral complement including multiple PWM channels, ADC inputs, UART, SPI, I2C, and CAN interfaces needed for a multi-axis motor controller. With a 0.5 mm lead pitch, the TQFP-100 requires careful PCB routing with at least 4 layers to manage signal integrity and power decoupling for the 3.3 V core supply. Its 14 mm x 14 mm footprint is compact enough to fit within a 50 mm x 50 mm motor drive module PCB alongside the gate driver and inverter bridge components.
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