DSPIC33FJ32MC302-I/MM Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip dsPIC33FJ32MC302 is a 16-bit digital signal controller with a 40 MHz DSC core, 32 KB Flash, hardware floating point, and motor control PWM with encoder interface. Available in QFN-28 package, RoHS compliant, in stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- DSPIC33FJ32MC302-I/MM 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 dsPIC DSC core at 40 MHz with hardware barrel shifter and IEEE 754 floating-point support
- Dedicated motor control PWM with 6-output complementary mode and quadrature encoder interface for precision drive applications
- Integrated 12-bit ADC with 9 channels enabling simultaneous motor current and voltage sampling in real-time control loops
Applications
The dsPIC33FJ32MC302 targets embedded motor control applications including BLDC, PMSM, and AC induction drives where the dedicated PWM engine and hardware DSP accelerate field-oriented control algorithms. Its 40 MHz core with hardware floating point simplifies torque and speed loop implementation without sacrificing real-time responsiveness. The compact QFN-28 footprint suits space-constrained appliance motor controllers, power tool drives, and fan and pump control boards.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-S-28 |
| 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-PQCC-N28 |
| 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 | LCC28,.24SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY 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 | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| 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 PWM capabilities does the dsPIC33FJ32MC302 provide for motor drive designs?
The dsPIC33FJ32MC302 features a dedicated motor control PWM module with 6 complementary output channels, programmable dead-time insertion, and fault override inputs, supporting BLDC and PMSM field-oriented control at switching frequencies up to 1 MHz for compact high-efficiency inverter designs.
How does the 40 MHz dsPIC33FJ32MC302 compare to a standard 8-bit MCU for running PID motor control loops?
The dsPIC33FJ32MC302 executes 16-bit DSP multiply-accumulate operations in a single clock cycle at 40 MHz, enabling PID loop execution in under 5 µs versus tens of microseconds on an 8-bit MCU, which translates directly to higher bandwidth current control and smoother torque response in servo applications.
What on-chip ADC does the dsPIC33FJ32MC302 offer for current sensing in motor control?
The dsPIC33FJ32MC302 integrates a 12-bit ADC with up to 9 input channels and simultaneous sampling capability, allowing phase current measurements at each PWM period with less than 1 µs conversion time, critical for accurate field-oriented control vector calculations.
For a compact appliance motor driver, how small is the QFN-28 package footprint of the dsPIC33FJ32MC302-I/MM?
The dsPIC33FJ32MC302-I/MM uses a 6 mm x 6 mm QFN-28 package with 0.65 mm pin pitch, a compact footprint that fits into tight appliance PCB layouts while providing 21 GPIO pins, UART, SPI, and I2C communication alongside the full motor control peripheral set.
What is the Flash program memory size, and is it sufficient for a complete sensorless BLDC firmware?
The dsPIC33FJ32MC302 offers 32 KB of Flash program memory and 2 KB of SRAM, providing enough space to store a full sensorless BLDC control algorithm with back-EMF zero-crossing detection, speed PI regulator, and UART diagnostic interface without requiring external memory.
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