DSPIC33EP64MC204T-E/TL - 60 MIPS 16-bit DSC, 64KB Flash | Microchip
MPN: DSPIC33EP64MC204T-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.88 | $48.80 |
| 100 | $4.35 | $435.00 |
| 500 | $3.92 | $1,960.00 |
| 1,000 | $3.55 | $3,550.00 |
DSPIC33EP64MC204T-E/TL Overview
A digital signal controller combines the deterministic control of a microcontroller with the mathematical throughput of a DSP. In the power-management hierarchy, the dsPIC33EP family sits within Microchip's 16-bit MCUs and DSCs, targeting real-time control loops where a general-purpose MCU lacks multiply-accumulate throughput and a standalone DSP lacks integrated peripherals.
Key features include a high-speed 16-bit MCPWM module with dedicated time bases for motor control, a quadrature encoder interface (QEI) for position feedback, three on-chip operational amplifiers and four comparators that reduce external analog component count, four DMA channels, and a Peripheral Trigger Generator (PTG). The -E suffix denotes AEC-Q100 qualification for the automotive temperature grade.
The dsPIC33EP core uses an enhanced 16-bit architecture with DSP instruction support (MAC, MPY, and dual operand fetch), enabling single-cycle multiply-accumulate operations essential for field-oriented control, digital power conversion, and sensor signal processing. Fabricated in CMOS, the device offers low-power modes for battery-sensitive designs.
Typical applications include brushless DC and PMSM motor control, switch-mode power supplies, digital lighting ballasts, and automotive auxiliary control modules.
When designing, budget decoupling (0.1uF per VDD pin plus bulk capacitance) and respect the 3.6V absolute supply maximum; the on-chip op amps can buffer shunt signals but external gain networks still determine accuracy.
This page synthesizes distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP64MC204T-E/TL — 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 DSPIC33EP64MC204T-E/TL (same form factor and footprint) — differing in Package, Operating Temperature, Core, Qualification, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64MC204-E/TL
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP64MC203T-I/TL
✅ Drop-In✓ In Stock
$2.53 / Unit
View Datasheet →DSPIC33EP64GP504T-E/TL
✅ Drop-In✓ In Stock
$3.5 / Unit
View Datasheet →DSPIC33EP256MC204T-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.38 / Unit
View Datasheet →DSPIC33EP128MC204T-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →DSPIC33EP64MC204T-E/TL Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33EP DSC |
| Maximum Clock Speed | 60 MHz |
| Performance | 60 MIPS |
| Flash Program Memory | 64 KB (22K x 24) |
| SRAM | 8 KB |
| Supply Voltage | 3 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 44-VTLA (6x6 mm) QFN with exposed pad |
| Mounting Type | Surface Mount |
| PWM | MCPWM high-speed motor control PWM |
| Quadrature Encoder Interface | Yes (QEI) |
| On-chip Op Amps | 3 |
| Comparators | 4 |
| DMA Channels | 4 |
| Timers | 5 |
| Peripheral Trigger Generator | Yes (PTG) |
| Qualification | AEC-Q100 qualified |
| Data Bus | 16-bit |
| ROM Type | Flash |
DSPIC33EP64MC204T-E/TL 44-vtla (6x6 mm) qfn with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP64MC204T-E/TL (44-vtla (6x6 mm) qfn with 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 DSPIC33EP64MC204T-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP64MC204T-E/TL is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Supplies (SMPS), Automotive Auxiliary Control Modules, Digital Lighting Ballasts and LED Drivers, Sensor Signal Processing and Data Acquisition, Industrial Automation and Robotics.
BLDC/PMSM Motor Control
The DSPIC33EP64MC204T-E/TL is purpose-built for precision motor control: its 60 MIPS DSP core executes field-oriented control loops fast enough for 20 kHz+ PWM frequencies, while the dedicated MCPWM module generates complementary outputs with dead-time control. The QEI interfaces directly to rotary encoders for position feedback, and the 3 on-chip op amps amplify shunt-resistor current measurements without external amplifiers. Four comparators provide cycle-by-cycle overcurrent protection. Placed as the sole controller in a 3-phase inverter, it eliminates a separate DSP and analog front-end; the trade-off is a single point of failure, so watchdog and fault inputs should be wired independently.
Recommended
Digital Power Supplies (SMPS)
In digitally controlled switch-mode power supplies, the DSPIC33EP64MC204T-E/TL closes voltage and current loops in software at 60 MIPS using single-cycle MAC instructions. The MCPWM module provides adjustable-resolution PWM for buck, boost, or LLC topologies, and the 4 comparators enable hardware-based fast current limiting independent of firmware latency. The 3 op amps condition shunt and divider feedback signals on-chip, reducing BOM count. With 4 DMA channels, ADC sampling runs without CPU intervention. Expect a few microseconds of loop latency versus analog control; use the comparator-based protection path for transient events and reserve software loops for slow voltage regulation.
Recommended
Automotive Auxiliary Control Modules
As an AEC-Q100 qualified device rated -40C to +125C, the DSPIC33EP64MC204T-E/TL fits automotive auxiliary modules such as pump control, HVAC damper actuators, and lighting drivers. The 60 MIPS core handles sensor fusion and control simultaneously, the MCPWM drives actuators with precise duty cycles, and the QEI reads position sensors in actuator loops. The extended temperature grade tolerates underhood and engine-bay ambient conditions that commercial-grade parts cannot. Firmware development uses the same MPLAB X toolchain as industrial variants, and the 44-pin 6x6 mm QFN keeps the PCB footprint small in space-constrained modules.
Recommended
Digital Lighting Ballasts and LED Drivers
The DSPIC33EP64MC204T-E/TL controls high-intensity discharge and LED lighting systems where dimming precision and protection matter. Its MCPWM module generates high-frequency phase-shifted or complementary PWM for resonant half-bridge stages, while the 4 comparators implement fast overcurrent shutdown during lamp strike or short-circuit events. The 60 MIPS core runs power-factor-correction algorithms and communication protocols concurrently. On-chip op amps condition current-sense signals for closed-loop brightness regulation. Typical designs place the DSC between a PFC front end and the resonant stage; the main trade-off versus analog controllers is firmware complexity, offset by greater flexibility across lamp types.
Recommended
Sensor Signal Processing and Data Acquisition
With 3 on-chip op amps, 4 comparators, DMA-driven ADC sampling, and DSP math capability, the DSPIC33EP64MC204T-E/TL functions as a compact sensor-processing node. The op amps amplify microvolt-level signals from strain gauges, thermocouples, or microphones; the DSP instructions perform filtering (IIR/FIR) and FFT analysis at 60 MIPS; and the PTG sequences ADC conversions autonomously, leaving CPU bandwidth for protocol handling. The 8KB RAM supports moderate buffering windows. It suits condition-monitoring nodes, portable instrumentation, and acoustic analysis where a full DSP plus MCU pair would be oversized, though the 64KB Flash limits very large coefficient tables.
Recommended
Industrial Automation and Robotics
In industrial automation nodes, the DSPIC33EP64MC204T-E/TL serves as a real-time motion and process controller. The QEI decodes incremental encoder feedback for servo and stepper positioning, the MCPWM generates drive signals for motor stages, and the 60 MIPS core executes PID loops deterministically. Five timers and 4 DMA channels coordinate multi-axis timing without CPU overhead, while the -40C to +85C+ industrial tolerance withstands factory-floor conditions. The 44-pin QFN with 3.3V I/O integrates cleanly into PLC I/O cards and robotic joint controllers. For multi-axis systems, one DSC per axis linked via UART or SPI to a supervisory controller is the common architecture.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64MC204T-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC204-E/TL | DSPIC33EP64MC203T-I/TL | DSPIC33EP64GP504T-E/TL | DSPIC33EP256MC204T-E/TL |
|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm) QFN, exposed pad | 44-VTLA (6x6 mm) QFN - same | 44-VTLA (6x6 mm) QFN - same | 44-VTLA (6x6 mm) QFN - same | 44-VTLA (6x6 mm) QFN - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB (22K x 24) | 64 KB | 32 KB | 64 KB | 256 KB |
| Core Performance | 60 MIPS, 16-bit dsPIC | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| 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 | 3.0 V to 3.6 V |
| MCPWM Motor-Control PWM | Yes | Yes | Yes | No (GP variant) | Yes |
| Temperature Grade | -40C to +125C (E, AEC-Q100) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) |
| Packaging | Tape & Reel | Tray/Cut Tape | Tape & Reel | Tape & Reel | Tape & Reel |
Key Differentiators
- Largest memory in this drop-in group with MCPWM retained (vs DSPIC33EP64MC203T-I/TL)
- Motor-control analog integration (vs DSPIC33EP64GP504T-E/TL)
- Cost-optimized memory step without PCB change (vs DSPIC33EP256MC204T-E/TL)
Design Notes
The dsPIC33EP core runs from an internal regulator, so the VCAP pin must have a low-ESR ceramic capacitor (typically around 10uF, value per datasheet) placed within a few millimeters of the pin; a wrong or missing VCAP capacitor is the most common bring-up failure on this family. Decouple every VDD/VSS pair with 0.1uF and add bulk capacitance near the QFN. Keep the 3.6V absolute supply maximum in mind - never feed 5V rails directly to VDD or I/O.
The exposed pad on the 44-VTLA QFN is the primary ground return and thermal path; connect it to a solid ground plane with a via array (at least a 3x3 pattern) directly under the pad. Stencil a partial-array paste pattern to avoid voids. For motor-control designs, keep the MCPWM output traces short and away from the analog op-amp inputs to prevent switching noise coupling into current-sense channels.
Peripheral pin select (PPS) must be configured before most digital peripherals will map to physical pins - a forgotten PPS mapping is a frequent firmware bug on dsPIC33EP parts. Also note the internal RC oscillator is suitable for boot but the 60 MIPS rating requires the PLL with an external crystal; verify PLL divider settings against the Fcy equation in the oscillator section of the datasheet, since a misconfigured PLL can lock up the core.
Compliance Information
AEC-Q100 qualification stated in Microchip USA product data for the dsPIC33EP64MC204 -E grade family. RoHS/REACH status not stated in provided data; verify on the Microchip product page.
