DSPIC33FJ64MC204T-I/ML - 16-bit DSC, 40 MIPS, 64KB Flash | Microchip
MPN: DSPIC33FJ64MC204T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.9 | $5.90 |
| 10 | $5.65 | $56.50 |
| 100 | $5.42 | $542.00 |
| 500 | $5.42 | $2,710.00 |
| 1,600 | $5.42 | $8,672.00 |
DSPIC33FJ64MC204T-I/ML Overview
A Digital Signal Controller combines the compute throughput of a DSP engine with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33F family sits between general-purpose MCUs (such as PIC24) and dedicated DSPs, making it a single-chip solution for closed-loop control systems. According to Microchip, the dsPIC33FJ64MC204 is pin compatible with the PIC24HJ family and shares a high degree of compatibility with the dsPIC30F family, enabling seamless migration between PIC24F, dsPIC30F and dsPIC33F devices.
Key features of this part include a 16-bit modified Harvard architecture executing up to 40 MIPS, 64KB (64K x 8) of on-chip Flash, DMA controllers that offload data movement from the CPU core, and a motor-control-oriented peripheral set (Motor Control PWM and advanced analog, per the family datasheet description). The ML package exposes the full peripheral pin set of the 64-pin family on a compact 8x8 mm QFN-44 footprint.
The MC204 variant is Microchip's motor-control-featured family member. Typical applications include brushless DC and PMSM motor drives, digital power supplies (DSPIC33FJ64GS610 siblings serve the same domain), industrial automation nodes, and sensor/actuator control where repetitive, high-speed math is mandatory.
Design consideration: the -I suffix specifies the industrial temperature grade; for -40C to +125C ambient designs, use the DSPIC33FJ64MC204-E/ML variant in the same 44-QFN footprint.
This page synthesizes distributor pricing (Mouser reel pricing as of 2026-09-27), drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64MC204T-I/ML — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ64MC204T-I/ML (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Package, Flash Program Memory, Package Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64MC204T-H/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64MC204-E/ML
✅ Drop-In✓ In Stock
$4.6 / Unit
View Datasheet →DSPIC33FJ32MC204-I/ML
✅ Drop-In✓ In Stock
$4.37 / Unit
View Datasheet →DSPIC33FJ64MC204T-I/ML Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F 16-bit |
| Max Clock / Performance | 40 MIPS |
| Flash Program Memory | 64KB (64K x 8) |
| Data Bus Width | 16-bit |
| DMA Channels | Yes (DMA controller) |
| Family Positioning | Pin compatible with PIC24HJ; highly compatible with dsPIC30F and PIC24F |
| Specialty Peripherals | Motor Control PWM and Advanced Analog (per family datasheet) |
| Package | 44-QFN (8x8 mm), exposed pad |
| Mounting Type | Surface Mount |
| Temperature Grade | I (industrial) |
| Packaging Quantity | Reel of 1600 |
DSPIC33FJ64MC204T-I/ML 44-qfn (8x8 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33FJ64MC204T-I/ML (44-qfn (8x8 mm), exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ64MC204T-I/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64MC204T-I/ML is suitable for 6 applications: BLDC / PMSM Motor Drives, Digital Power Supplies, Industrial Automation and Control Nodes, Sensor Signal Processing, Automotive-adjacent and Consumer Motor Products, Embedded Control Retrofit and Migration.
BLDC / PMSM Motor Drives
The DSPIC33FJ64MC204T-I/ML is purpose-built for motor control: its Motor Control PWM peripheral generates the complementary PWM patterns needed for 3-phase inverters, while advanced analog inputs feed the ADC with current and voltage feedback at control-loop rates. The 40 MIPS 16-bit DSP core executes field-oriented control (FOC) or trapezoidal commutation algorithms with fast interrupt latency, and the DMA controller moves ADC results without CPU intervention, keeping loop jitter low. Place it as the main controller between gate-driver inputs and feedback dividers; quantified benefit is deterministic single-chip control at 40 MIPS without an external DSP.
Recommended
Digital Power Supplies
In digitally controlled AC/DC and DC/DC converters, the DSPIC33FJ64MC204T-I/ML provides the high-speed PWM with fine duty resolution and the fast ADC sampling required for voltage-mode or current-mode loops running at tens to hundreds of kHz switching frequency. The 40 MIPS core closes compensation loops in firmware, and DMA streams ADC results for peak-current-mode protection. Its industrial -I temperature grade suits enclosed power stages. Quantified benefit: eliminates analog compensation components and enables firmware-adjustable setpoints; the trade-off is that firmware verification replaces analog loop tuning.
Recommended
Industrial Automation and Control Nodes
For factory automation nodes such as actuator drivers, pump controllers, and conveyor sub-systems, the DSPIC33FJ64MC204T-I/ML combines 40 MIPS of real-time compute with on-chip communication peripherals and DMA, letting one chip handle control loops plus supervisory messaging. Microchip's family compatibility statement means firmware and tooling migrate across dsPIC30F/dsPIC33F/PIC24 designs, protecting long-term industrial BOMs. The industrial temperature grade and 44-QFN footprint fit compact DIN-rail and embedded controller boards. Quantified benefit: consolidation of control and communications reduces component count and PCB area versus MCU-plus-DSP two-chip designs.
Recommended
Sensor Signal Processing
The DSP engine in the DSPIC33FJ64MC204T-I/ML is well matched to high-speed, repetitive computations on sensor data - filtering, RMS calculation, and demodulation - as Microchip's family positioning notes. The advanced analog front-end samples sensor channels while DMA streams results to RAM, sustaining continuous acquisition without CPU stalls. Applications include vibration monitoring, current-sensor conditioning, and ultrasonic processing where a 16-bit/40 MIPS pipeline is sufficient and a full DSP would be overkill. Quantified benefit: single-chip acquisition-plus-processing at 40 MIPS reduces BOM cost; memory budget is 64KB Flash for algorithm plus protocol code.
Recommended
Automotive-adjacent and Consumer Motor Products
Consumer and light-vehicle subsystems - power tools, e-bike drives, appliance pumps and fans - benefit from the DSPIC33FJ64MC204T-I/ML's motor-control PWM and 40 MIPS core, which implement sensored or sensorless commutation economically. The compact 8x8 mm 44-QFN suits space-constrained handheld housings, and the industrial-grade -I variant covers typical appliance ambient conditions. Microchip's cross-family pin compatibility (with PIC24HJ and dsPIC30F) allows a common PCB to carry multiple memory/peripheral options for product tiering. Quantified benefit: one firmware base scales across product variants via pin-compatible family members.
Recommended
Embedded Control Retrofit and Migration
Because Microchip states the dsPIC33F family is pin compatible with PIC24HJ and highly compatible with dsPIC30F devices, the DSPIC33FJ64MC204T-I/ML serves as a modernization target for legacy 16-bit designs: existing PCBs designed for family-compatible footprints can accept it, and code ports with the MPLAB X / XC16 toolchain. This makes it attractive for sustaining engineering on long-lived industrial equipment where the original DSC is aging or supply-constrained. Quantified benefit: hardware reuse minimizes requalification; verify the 44-QFN (8x8) footprint and peripheral mapping against the original BOM before swapping.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64MC204T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64MC204T-H/ML | DSPIC33FJ64MC204-E/ML | DSPIC33FJ32MC204-I/ML |
|---|---|---|---|---|
| Package | 44-QFN (8x8) | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Data Width | 16-bit dsPIC33F | 16-bit dsPIC33F | 16-bit dsPIC33F | 16-bit dsPIC33F |
| Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 64KB | 64KB | 64KB | 32KB |
| DMA | Yes | Yes | Yes | Yes |
| Motor Control Peripherals | Motor Control PWM + Advanced Analog | Same (MC family) | Same (MC family) | Same (MC family) |
| Temperature Grade | I (industrial) | H grade | E (extended, -40C to +125C) | I (industrial) |
Key Differentiators
- Full 64KB Flash in compact 44-QFN (8x8) (vs DSPIC33FJ32MC204-I/ML)
- Extended-temperature drop-in available (vs DSPIC33FJ64MC204-E/ML)
- Motor-control-specialized peripherals (vs DSPIC33FJ64GP204T-I/PT)
Design Notes
The 44-QFN (8x8) exposed-pad package requires a well-designed thermal/electrical land pattern: connect the exposed pad to a ground pour with an array of thermal vias (typical practice for Microchip QFN-EP packages) to dissipate heat and reduce ground bounce on the fast 40 MIPS core. Follow the footprint dimensions in the manufacturer datasheet for the 0.650 mm terminal pitch reported for the PQCC44-style package. Verify solder paste stencil segmentation on the center pad to prevent voiding and floating during reflow.
Decouple the VDD pins with low-ESR ceramics (typical practice: 100 nF per supply pin plus bulk capacitance) placed within a few millimeters of the QFN pads. The exact supply voltage range and per-pin allocation are given in the manufacturer datasheet; confirm before layout. Microchip dsPIC33F parts also require the dedicated internal regulator capacitor pin to be fitted with the specified capacitance - omitting it is a common cause of unreliable startup. Estimated: keep supply impedance low so inrush and PWM switching currents do not droop the rail during ADC sampling bursts.
Watch the part-number ordering code carefully: the -T/ML is tape-and-reel (full reel of 1,600, Mouser minimum order 1,600 as of 2026-09-27), while non-T /ML parts ship in trays; the -I and -E suffixes denote industrial versus extended temperature grade. Ordering the wrong grade for an enclosure that exceeds the I-grade ambient range will cause field failures. Also note Mouser reports a 7-22 week factory lead time when out of stock - plan BOM orders around DigiKey stock availability for prototypes.
Compliance Information
Compliance status was not stated in the retrieved web data; verify on the Microchip product page or datasheet before specification. AEC-Q100 status not indicated - this is a standard industrial part; not_applicable pending confirmation.