DSPIC33FJ12MC202-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
DSPIC33FJ12MC202-I/SO is a Microchip 16-bit digital signal controller in a SOIC-28 package with 12 KB Flash and 40 MIPS performance. Integrates a motor control PWM module, 10-bit ADC, and CAN/UART interfaces for embedded motor drive designs. Available in stock worldwide.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- DSPIC33FJ12MC202-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.1700(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 dsPIC33F DSC core executing at 40 MIPS with hardware barrel shifter and 17x17-bit multiplier for fast DSP control loops
- Dedicated motor control PWM module with 3 complementary pairs, programmable dead-time, and fault protection suitable for BLDC and PMSM drives
- 12 KB Flash and 1 KB RAM in a compact SOIC-28 package, minimizing BOM cost for single-axis motor control and pump applications
- 10-bit, 4-channel ADC with simultaneous sampling for phase-current sensing in real-time motor vector control algorithms
- On-chip UART, SPI, I2C, and enhanced CAN (ECAN) peripherals reduce external component count in networked industrial designs
Applications
The DSPIC33FJ12MC202-I/SO is tailored for single-axis brushless DC and permanent magnet synchronous motor control in applications such as HVAC fans, small appliance drives, and pump controllers. Its integrated PWM module with dead-time insertion and fast 10-bit ADC allow engineers to implement field-oriented control or sinusoidal commutation at update rates above 20 kHz without external DSP support. The device also finds use in industrial sensor nodes and CAN-based distributed I/O modules where the ECAN peripheral and compact SOIC-28 footprint reduce board space and cost.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 3Weeks |
| YTEOL | 8 |
| Barrel Shifter | YES |
| Bit Size | 16 |
| Boundary Scan | NO |
| Clock Frequency-Max | 40MHz |
| Format | FIXED POINT |
| Internal Bus Architecture | MULTIPLE |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| On Chip Program ROM Width | 24 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 |
| Qualification Status | Not Qualified |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Supply Current-Max | 90mA |
| 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 | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | DIGITAL SIGNAL PROCESSOR, CONTROLLER |
| Package | Small Outline Packages |
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 is the processing speed and core architecture of the DSPIC33FJ12MC202-I/SO?
The DSPIC33FJ12MC202-I/SO is built on Microchip's 16-bit dsPIC33F modified-Harvard DSC core, capable of executing at 40 MIPS when clocked via its internal PLL from a 7.37 MHz FRC oscillator. The core includes a hardware barrel shifter and a 17×17-bit integer multiplier that completes a multiply-accumulate in a single instruction cycle, enabling real-time PID and FOC control loops.
How much Flash and RAM does the DSPIC33FJ12MC202-I/SO include, and is it enough for a motor control firmware?
The device provides 12 KB of program Flash and 1 KB of data SRAM. For a bare-metal single-axis BLDC or stepper motor firmware without an RTOS, 12 KB is typically sufficient to hold a full FOC algorithm with look-up tables, a bootloader, and CAN communication stack, while 1 KB of RAM accommodates control variables, ADC buffers, and a small communications ring buffer.
What motor control PWM channels does the DSPIC33FJ12MC202-I/SO provide for 3-phase inverter designs?
The DSPIC33FJ12MC202-I/SO includes a motor control PWM module with 3 complementary output pairs — 6 total PWM channels — each featuring independently programmable dead-time from 8 ns to 16 µs. A hardware fault input pin can shut down all 6 channels within 1 bus clock cycle to protect the power stage from overcurrent events, making it suitable for 3-phase half-bridge inverter gate drives up to several hundred watts.
Which package does the DSPIC33FJ12MC202-I/SO come in and how does this affect PCB layout for motor control?
The DSPIC33FJ12MC202-I/SO uses a SOIC-28 package with 28 pins on 1.27 mm pitch, occupying approximately 17.9 mm × 7.5 mm of PCB area. This wide-body SOIC is hand-solderable and reflow-compatible, making it a practical choice for prototype and low-volume production motor control boards where TQFP or QFN packages would require finer-pitch soldering skills and equipment.
When would a designer choose the DSPIC33FJ12MC202-I/SO over a larger dsPIC33FJ256MC710 in a motor drive?
The DSPIC33FJ12MC202-I/SO is the cost-optimized choice for single-axis drives where the control algorithm fits within 12 KB Flash and 1 KB RAM, avoiding the premium of the 256 KB Flash dsPIC33FJ256MC710. Both devices share the same 40 MIPS dsPIC33F core and identical motor control PWM architecture, so firmware developed on the larger part can often be trimmed and ported with minimal changes, reducing the unit BOM cost by several dollars in volume production.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.3600 | $4.36 |
| 10+ | $3.9900 | $39.90 |
| 27+ | $3.6100 | $97.47 |
| 1000+ | $3.3200 | $3320.00 |
| 5000+ | $3.1700 | $15850.00 |
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