DSPIC33FJ128MC804T-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip DSPIC33FJ128MC804T-I/PT is a 16-bit digital signal controller with 128 KB Flash, 40 MIPS throughput, DMA, barrel shifter, and JTAG boundary scan in a 44-pin TQFP package, targeting motor control and power conversion designs. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Category
- Integrated Circuit
- Price
- From $5.7600(MOQ 1)
- 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 dsPIC33 DSC core at 40 MIPS with hardware barrel shifter and floating-point format support for efficient digital signal processing in motor control algorithms
- 128 KB on-chip Flash program memory with DMA channels for autonomous peripheral data transfers, reducing CPU load in real-time control loops
- Integrated motor control PWM module and JTAG boundary scan (JESD-30 TQFP-44) enabling rapid prototyping and in-circuit debug of power conversion firmware
- MC (motor control) variant with dedicated peripherals for 3-phase BLDC, PMSM, and stepper motor drive without external DSP co-processors
Applications
The DSPIC33FJ128MC804T-I/PT is designed for motor drive and power conversion applications including 3-phase BLDC motor controllers, switched-mode power supplies, and solar inverters where 40 MIPS DSP performance and hardware motor control PWM are required in a cost-effective 44-pin TQFP. Its DMA channels and barrel shifter accelerate real-time PID and space-vector modulation algorithms without CPU stalling, enabling faster current and speed control loops. The part is also used in industrial automation equipment and robotics systems where digital signal control with on-chip Flash eliminates the need for a separate DSP and microcontroller pair.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Barrel Shifter | YES |
| Bit Size | 16 |
| Boundary Scan | YES |
| Clock Frequency-Max | 40MHz |
| Format | FLOATING POINT |
| Integrated Cache | NO |
| Internal Bus Architecture | MULTIPLE |
| JESD-30 Code | S-PQFP-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 8 |
| Number of External Interrupts | 3 |
| Number of Serial I/Os | 2 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 16 |
| On Chip Program ROM Width | 24 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.47SQ,32 |
| 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 Current-Max | 76mA |
| 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 | 0.8mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| 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 | Philippines, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for DSPIC33FJ128MC804T-I/PT:
Frequently Asked Questions
What is the peak processing throughput of the DSPIC33FJ128MC804T-I/PT and how does the barrel shifter help?
The DSPIC33FJ128MC804T-I/PT delivers 40 MIPS at a 40 MHz clock. The hardware barrel shifter performs multi-bit shift operations in a single instruction cycle instead of requiring iterative software shift loops, which is critical for Q-format fixed-point arithmetic used in FOC (field-oriented control) motor algorithms where 16-bit operands must be scaled repeatedly.
How much on-chip Flash does DSPIC33FJ128MC804T-I/PT provide for motor control firmware?
The device includes 128 KB of Flash program memory, enough to hold complete motor control firmware including a FOC algorithm, CAN or UART communication stack, fault-handling routines, and parameter storage — without requiring external Flash in typical 3-phase BLDC or PMSM drive designs.
What does the MC designation in DSPIC33FJ128MC804T-I/PT indicate about on-chip peripherals?
The MC designation identifies the motor control peripheral set, which includes a dedicated high-resolution PWM module with 6 or more complementary output channels, programmable dead-time insertion (typically in nanosecond increments), and fault input pins — all specifically designed for 3-phase BLDC, PMSM, and DC brushed motor drive without additional gate-driver ICs.
When should an engineer choose DSPIC33FJ128MC804T-I/PT over a 32-bit MCU for a new motor drive design?
Choose the DSPIC33FJ128MC804T-I/PT when the design requires 40 MIPS DSP performance with dedicated motor PWM in a compact 44-pin TQFP, cost targets favor a 16-bit DSC over a 32-bit ARM Cortex-M, and the control algorithm fits within 128 KB Flash. The dsPIC33 architecture also simplifies migration from existing dsPIC30/33 firmware versus porting to a new 32-bit toolchain.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $7.9400 | $7.94 |
| 100+ | $6.5800 | $658.00 |
| 1000+ | $6.0600 | $6060.00 |
| 5000+ | $5.7600 | $28800.00 |
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