DSPIC33FJ64MC204-E/ML - 16-bit DSC 40MIPS 64KB | Microchip
MPN: DSPIC33FJ64MC204-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.97 | $5.97 |
| 10 | $5.55 | $55.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.9 | $2,450.00 |
| 1,000 | $4.6 | $4,600.00 |
DSPIC33FJ64MC204-E/ML Overview
A Digital Signal Controller combines a microcontroller (MCU) with the multiply-accumulate (MAC) DSP engine of a digital signal processor. In the power-management hierarchy, the dsPIC33F family sits within Microchip's 16-bit MC/DSC portfolio: DSC -> digital signal controller -> 16-bit MCU -> embedded processor. This hybrid architecture lets a single chip execute both general firmware (state machines, communication stacks) and compute-intensive loops such as field-oriented motor-control and digital power conversion.
Key features include the 16-bit dsPIC33F core with DSP instruction extensions and dual 40-bit accumulators, 64 KB self-programming Flash, 8 KB SRAM, Direct Memory Access (DMA) with motor-control support, Motor Control PWM outputs, advanced 10-bit/12-bit analog-to-digital conversion, and up to 21 I/O ports. The -E suffix denotes the extended (-40C to +125C) operating temperature range; the /ML suffix denotes the RoHS, lead-free 44-QFN package.
Architecturally, the dsPIC33F core is pin-compatible with the PIC24HJ family and shares a very high degree of compatibility with dsPIC30F devices, allowing seamless migration between PIC24F, dsPIC30F and dsPIC33F platforms. The deterministic interrupt latency and hardware MAC make it well suited to real-time closed-loop control at fixed sample rates.
Typical applications include brushless DC and PMSM motor drives, switch-mode power supplies and digital power, automotive auxiliary systems, and industrial automation nodes requiring both control and signal processing.
For design, budget the core regulator capacitor (VCAP/VDDCORE) exactly per the manufacturer datasheet and decouple all VDD/AVDD pins; 3.3 V supply tolerance is 3.0 V to 3.6 V.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64MC204-E/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 DSPIC33FJ64MC204-E/ML (same form factor and footprint) — differing in Core Architecture, Operating Temperature, I/O Ports, Flash Program Memory, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32MC204-E/ML
✅ Drop-In✓ In Stock
$3.85 / Unit
View Datasheet →DSPIC33FJ32MC204-I/ML
✅ Drop-In✓ In Stock
$4.37 / Unit
View Datasheet →PIC24HJ64GP204-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64MC204-E/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC with DSP engine |
| Max Clock Speed | 40 MHz (40 MIPS) |
| Program Memory | 64 KB (64K x 8) Flash |
| Data RAM (SRAM) | 8 KB |
| Supply Voltage | 3.0 V to 3.6 V |
| I/O Ports | 21 |
| Package Type | QFN-44 (8 x 8 mm) with exposed pad, plastic, lead-free |
| Mounting Type | Surface Mount |
| DMA | Yes (motor-control DMA) |
| Motor Control PWM | Yes |
| Operating Temperature | -40C to +125C (E grade) |
| Life Cycle Stage | ACTIVE |
| Pin Compatibility | PIC24HJ family; high compatibility with dsPIC30F |
| Memory Type (ROM) | Flash |
| RoHS Status | Lead-free (QFNL package) |
DSPIC33FJ64MC204-E/ML qfn-44 (8 x 8 mm) with exposed pad, plastic, lead-free Pin Configuration Guide
Pin configuration for DSPIC33FJ64MC204-E/ML (qfn-44 (8 x 8 mm) with exposed pad, plastic, lead-free 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 DSPIC33FJ64MC204-E/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64MC204-E/ML is suitable for 6 applications: BLDC / PMSM Motor Control, Switch-Mode Power Supplies (Digital Power), Automotive Auxiliary Systems, Industrial Automation and Motion, Consumer Appliance Motor Drivers, Embedded Signal Processing and Instrumentation.
BLDC / PMSM Motor Control
The DSPIC33FJ64MC204-E/ML is purpose-built for precision motor control: its Motor Control PWM module generates complementary PWM pairs with dead-time insertion, and the 40 MIPS dsPIC33F core executes field-oriented control (FOC) loops at switching frequencies well above audible range. Quadrature Encoder Interface inputs (QEA/QEB) plus the motor-control DMA enable sensor or sensorless (back-EMF) feedback without CPU overhead. In a typical FOC drive, current-loop execution at 10-20 kHz consumes only a fraction of the 40 MIPS budget, leaving headroom for communication and protection logic. The extended -40C to +125C rating suits industrial drives and pump/fan systems in harsh enclosures.
Recommended
Switch-Mode Power Supplies (Digital Power)
In digital power, the DSPIC33FJ64MC204-E/ML closes voltage and current loops in DSP software, replacing analog compensation networks. The 40 MIPS core with hardware MAC executes 3-pole/3-zero compensators at 100 kHz-plus control rates, while high-speed PWM outputs drive synchronous buck, boost, or LLC stages. The advanced analog peripherals digitize feedback signals, and DMA moves samples to RAM without interrupt jitter, keeping loop latency deterministic - critical for meeting transient-response and stability targets. The 3.0-3.6 V supply and extended temperature range fit telecom and industrial power shelves. Pair with a dedicated digital-power DSC for multi-phase high-wattage systems.
Recommended
Automotive Auxiliary Systems
With the -E extended temperature grade (-40C to +125C), the DSPIC33FJ64MC204-E/ML addresses automotive auxiliary electronic modules: electric water pumps, HVAC blower controls, throttle or valve actuators, and lighting controllers. The 64 KB Flash accommodates OEM diagnostic layers (UDS-style firmware) on top of the control loop, while 21 I/O ports interface limit switches, hall sensors, and LIN/CAN-adjacent transceivers via its UART/SPI/I2C ports. Distributor data explicitly lists the dsPIC33F MC204 family as automotive-relevant. Before deployment in safety positions, confirm the applicable qualification status with Microchip; the -E grade primarily certifies the thermal environment.
Recommended
Industrial Automation and Motion
On factory floors, the DSPIC33FJ64MC204-E/ML serves as a motion-control node: driving steppers or servos via Motor Control PWM, reading encoders through QEI inputs, and reporting over SPI/UART/I2C to a PLC or gateway. The 40 MIPS DSP engine also performs condition-monitoring math - FFT-based vibration analysis or RMS current trending - on the same silicon, enabling predictive-maintenance firmware without a second processor. The 44-QFN (8x8 mm) exposed-pad package provides robust thermal performance for control cabinets, and the industrial ecosystem (MPLAB tools, motor-control libraries) shortens development cycles versus discrete MCU plus DSP co-processor designs.
Recommended
Consumer Appliance Motor Drivers
Appliances - washing machines, refrigerators, range hoods, air conditioners - increasingly use variable-speed BLDC motors controlled by DSCs. The DSPIC33FJ64MC204-E/ML delivers this capability in a compact 8x8 mm QFN that fits crowded main-board areas, with enough Flash (64 KB) for sensorless FOC plus housekeeping firmware. The DSP MAC accelerates sliding-mode or back-EMF observers used in sensorless startup, while the 12-bit-capable analog block samples phase currents for torque control. The lead-free QFNL package supports global RoHS-driven appliance compliance. Its price point (from about $5.97 at LCSC as of 2026-09-27) fits cost-sensitive white-goods BOMs.
Recommended
Embedded Signal Processing and Instrumentation
Beyond motor control, the dsPIC33F DSP engine (single-cycle MAC, dual 40-bit accumulators, barrel shifter) makes the DSPIC33FJ64MC204-E/ML suitable for portable instrumentation: digital filtering of sensor streams, power-quality metering, audio band analysis, and sensor correction math. DMA channels stream ADC results to SRAM (8 KB) while the CPU processes previously acquired blocks, achieving overlap-window processing typical of DFT/FFT routines. SPI/I2C/UART ports export results to displays or hosts. For hand-held or field instruments, the extended temperature grade and small 44-QFN footprint support rugged, compact enclosures, and 3.3 V single-supply operation simplifies battery-backed power design.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64MC204-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32MC204-E/ML | DSPIC33FJ32MC204-I/ML | PIC24HJ64GP204-I/ML |
|---|---|---|---|---|
| Package | QFN-44 (8x8 mm) | QFN-44 (8x8 mm) - same | QFN-44 (8x8 mm) - same | QFN-44 (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB | 32 KB | 32 KB | 64 KB |
| Max Performance | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MHz / 40 MIPS | 40 MIPS (PIC24HJ core) |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- Doubled program memory (vs DSPIC33FJ32MC204-E/ML)
- Extended temperature range (vs DSPIC33FJ32MC204-I/ML)
- DSP + motor-control peripheral set (vs PIC24HJ64GP204-I/ML)
Design Notes
Supply the DSPIC33FJ64MC204-E/ML from a regulated 3.3 V rail within its 3.0 V to 3.6 V window. Fit the VCAP/VDDCORE capacitor exactly as specified in the Microchip family datasheet - the internal core regulator will not start without it. Decouple every VDD pin with 0.1 uF ceramic close to the pin, plus one bulk 4.7-10 uF capacitor, and decouple AVDD separately through an RC filter (e.g. 10 ohm + 0.1 uF plus 1 uF) to keep the analog ADC reference quiet against digital switching noise from the PWM outputs.
Estimated: the 44-QFN (8x8 mm) exposed-pad package dissipates mainly I/O and core power; at 40 MIPS with typical I/O loading, power dissipation is typically well under 0.5 W. Solder the exposed pad to a ground pour with an array of thermal vias (e.g. 4x4 grid of 0.3 mm vias) to the inner ground plane. For the -E grade (-40C to +125C ambient), verify junction temperature with your estimated dissipation and the package theta-JA from the datasheet; keep Tj below the absolute maximum rating with margin for worst-case ambient.
Do not substitute a different package suffix on the same land pattern: DSPIC33FJ64MC204-E/PT is TQFP and will not fit a QFN-44 (ML) footprint. When dropping in DSPIC33FJ32MC204 variants, confirm your firmware fits 32 KB Flash - linker output must be checked, not assumed. Program/debug via PGC/PGD (ICSP); keep these traces short and accessible with a programming header. Also reserve MCLR with a 10k pull-up; floating MCLR causes erratic resets during EMC events in motor-drive environments.
Compliance Information
Package described in source data as 'LEAD FREE, PLASTIC, QFN-44 (QFNL)', indicating lead-free and RoHS-aligned construction. AEC-Q100 status not stated in provided data - confirm with Microchip for automotive use.
