DSPIC33EP64MC504T-I/PT - 16-bit DSC 60MHz 64KB Flash | Microchip
MPN: DSPIC33EP64MC504T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.75 | $47.50 |
| 100 | $4.2 | $420.00 |
| 500 | $3.85 | $1,925.00 |
| 1,000 | $3.5 | $3,500.00 |
DSPIC33EP64MC504T-I/PT Overview
A digital signal controller combines the computational power of a digital signal processor with the control peripherals of a microcontroller. Within the power-management hierarchy, the dsPIC33E family sits in the 16-bit embedded controller class, bridging general-purpose MCUs and dedicated DSP ICs. DSCs execute multiply-accumulate (MAC) and DSP instructions in hardware, making them well suited to real-time closed-loop control algorithms such as field-oriented control (FOC) for motors.
Key differentiating features include the high-speed MCPWM module for precise three-phase inverter drive, the QEI for direct encoder feedback, an on-chip CAN 2.0B controller for industrial networking, and integrated analog (3 op-amps, 4 comparators, advanced ADC) that reduces external component count in motor-drive signal chains. Up to 51 I/O lines are available on the 44-pin package.
Architecturally, the dsPIC33E core is a modified Harvard, 16-bit pipelined processor with hardware DSP support, executing from zero-wait-state Flash at industrial temperature ranges (-40C to +85C for the -I option). CMOS process technology keeps active power low while supporting deterministic interrupt latency critical for control loops.
Typical applications include brushless DC and permanent-magnet synchronous motor drives, power inverters, digital power supplies (PFC, LLC), and industrial automation nodes using CAN. The MCPWM plus QEI combination makes precision servo and BLDC control straightforward on this single chip.
For design, note the 3.0 V to 3.6 V supply requirement: level shifting is needed for 5 V logic interfaces, and all VDD/VSS pairs must be decoupled with 0.1 uF ceramics placed close to the pins.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP64MC504T-I/PT — 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 DSPIC33EP64MC504T-I/PT (same form factor and footprint) — differing in Operating Temperature, Packaging, Maximum CPU Speed, Package, Series.
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No drop-in alternatives available for this product.
Request AlternativesDSPIC33EP64MC504T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC |
| Data Bus Width | 16 bit |
| Maximum Clock Speed | 60 MHz (up to 70 MIPS) |
| Program Memory Size | 64 KB Flash |
| RAM Size | 8 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| I/O Count | 51 |
| Package Type | 44-TQFP (10x10 mm, 0.90 mm height) |
| PWM Module | MCPWM (Motor Control PWM) |
| Quadrature Encoder Interface | Yes (QEI) |
| CAN Controller | Yes (CAN 2.0B) |
| On-chip Op-Amps | 3 |
| On-chip Comparators | 4 |
| Timers | 27 general purpose timers (family feature) |
| Operating Temperature | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Life Cycle Stage | Active |
| Packaging | Tape & Reel (T suffix) |
DSPIC33EP64MC504T-I/PT 44-tqfp (10x10 mm, 0.90 mm height) Pin Configuration Guide
Pin configuration for DSPIC33EP64MC504T-I/PT (44-tqfp (10x10 mm, 0.90 mm height) 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 DSPIC33EP64MC504T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP64MC504T-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Supplies, Industrial Automation and CAN Networking, Robotics and Servo Drives, Solar Inverters and Renewable Energy Conversion, E-mobility and Battery-Powered Equipment.
BLDC / PMSM Motor Control
The DSPIC33EP64MC504T-I/PT is purpose-built for brushless DC and permanent-magnet synchronous motor drives. Its Motor Control PWM module generates complementary, dead-time-controlled PWM for a three-phase inverter, while the Quadrature Encoder Interface decodes position feedback without CPU overhead. The three on-chip op-amps condition shunt-resistor current signals so field-oriented control loops can run at high bandwidth on the 60 MHz core. Integrating PWM, encoder input, amplifiers, and four comparators on one chip reduces BOM count and loop latency versus a generic MCU plus external analog front end, improving torque ripple and efficiency in servo, e-bike, pump, and fan applications.
Recommended
Digital Power Supplies
In digitally controlled power converters such as PFC stages, LLC resonant converters, and bidirectional DC-DC modules, the DSPIC33EP64MC504T-I/PT provides the high-resolution MCPWM needed for phase-shifted and interleaved topologies. The four on-chip comparators implement cycle-by-cycle overcurrent protection in hardware, reacting faster than any software loop and protecting power stages during faults. The 60 MHz DSP core closes voltage and current loops with sampling rates in the tens of kilohertz while executing control-law math with DSP instructions. Operating from a 3.0 V to 3.6 V rail keeps the controller compatible with standard low-voltage analog sensing circuits, and the 44-pin TQFP offers enough I/O for housekeeping, telemetry, and PMBus-style communication.
Recommended
Industrial Automation and CAN Networking
The integrated CAN 2.0B controller makes the DSPIC33EP64MC504T-I/PT a strong fit for industrial automation nodes, motor-control networks, and building equipment that communicate over CAN bus. Combined with an external CAN transceiver, the controller handles message filtering and arbitration in hardware, offloading the CPU for control and application tasks. With 51 I/O lines and 27 general-purpose timers available in the family, the 44-pin TQFP device can drive relays, read sensors, and sequence machinery while simultaneously running closed-loop control. The industrial -40C to +85C rating of the -I variant covers typical factory-floor ambient conditions, and the 64 KB Flash accommodates protocol stacks plus control firmware in a single chip.
Recommended
Robotics and Servo Drives
Robotic joint and servo drive designs benefit directly from the DSPIC33EP64MC504T-I/PT integration level. The QEI reads incremental encoder feedback to compute position and velocity, the MCPWM drives H-bridge or three-phase stages with precise dead time, and the on-chip op-amps and comparators form the current-sensing front end for torque control - all without external amplifier ICs. The 70 MIPS-class DSP core executes cascaded position/velocity/current loops at multi-kilohertz rates with deterministic latency, which is essential for smooth, responsive motion. The 3.0 V to 3.6 V supply and industrial temperature range suit battery-powered and shop-floor robots alike, while the 44-pin TQFP footprint keeps the controller compact on dense drive boards.
Recommended
Solar Inverters and Renewable Energy Conversion
Grid-tied and off-grid solar inverter designs use the DSPIC33EP64MC504T-I/PT for maximum power point tracking and inverter modulation. The DSP core runs MPPT algorithms alongside the inverter control loop, the high-resolution MCPWM generates the PWM patterns for the power stage, and the fast comparators provide hardware overcurrent protection for switching devices during grid transients. The three on-chip op-amps can scale panel voltage, current, and grid feedback signals into the ADC range, reducing external component count. Its 3.0 V to 3.6 V operation and 16-bit architecture give deterministic control behavior that is harder to achieve with general-purpose MCUs, while 64 KB Flash holds MPPT, grid-monitoring, and protection firmware together.
Recommended
E-mobility and Battery-Powered Equipment
Electric bikes, scooters, power tools, and light electric vehicles use the DSPIC33EP64MC504T-I/PT as the main motor controller. The combination of MCPWM, QEI or sensorless control via the on-chip comparators, and fast DSP math delivers efficient field-oriented or sensorless trapezoidal drive in a single 44-pin TQFP. The CAN interface links the controller to battery management systems and vehicle displays, and the industrial temperature rating covers typical operating environments. Running from a 3.0 V to 3.6 V rail regulated from the battery pack keeps the digital domain isolated from power-stage transients. The 64 KB Flash and 8 KB RAM provide adequate headroom for control, protection, diagnostics, and communication firmware.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64MC504T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC504-I/PT | DSPIC33EP64MC504-E/PT | DSPIC33EP64MC504-H/PT | DSPIC33EP64MC504-E/PTVAO |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP - same | 44-TQFP - same | 44-TQFP - same | 44-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash / RAM | 64 KB / 8 KB | 64 KB / 8 KB | 64 KB / 8 KB | 64 KB / 8 KB | 64 KB / 8 KB |
| Max Clock | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| MCPWM / QEI / CAN | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
| On-chip Op-Amps / Comparators | 3 / 4 | 3 / 4 | 3 / 4 | 3 / 4 | 3 / 4 |
Key Differentiators
- Extended temperature availability (vs DSPIC33EP64MC504-I/PT)
- Tape-and-reel delivery for automated assembly (vs DSPIC33EP64MC504-I/PT)
- Integrated analog front end (vs Generic 16-bit MCUs in TQFP-44)
Design Notes
The DSPIC33EP64MC504T-I/PT requires a regulated 3.0 V to 3.6 V supply. Use a low-noise LDO (for example an MCP1702-3302) fed from a 5 V rail, and decouple every VDD pin with a 0.1 uF ceramic placed within 2-3 mm of the pin, plus one bulk 4.7-10 uF capacitor per device. All VDD and all VSS pins must be connected - omitting a pair can cause erratic Flash execution and programming failures. Estimated: at 60 MHz with typical peripherals, supply current is on the order of tens of mA; verify against the datasheet electrical characteristics table for your exact configuration.
For motor-control designs, route the MCPWM outputs to gate drivers with short traces and ground returns to limit ringing. Keep the analog op-amp input traces away from PWM switching nodes and place a solid ground plane under the analog section of the 44-TQFP. Expose and solder the TQFP center thermal pad area to ground vias for signal integrity even though this is not a thermally critical die. Follow Microchip's ICSP guidance: bring out at least one PGECx/PGEDx pair (e.g., PGEC2/PGED2) to a programming header, keeping the chosen pair consistent.
Two frequent mistakes with dsPIC33EP64MC504 designs: (1) using 5 V logic on I/O pins - the controller operates at 3.0 V to 3.6 V and 5 V signaling can exceed absolute maximum ratings; use level shifters or 3.3 V-compatible transceivers. (2) Mismatching the ICSP pair - PGECx and PGEDx must be used as a matched pair (PGEC2 with PGED2, etc.); mixing pairs from different pairs prevents programming. Also configure configuration words (oscillator, watchdog, PWM pin mapping) correctly, as incorrect oscillator settings can render the device unresponsive until reprogrammed.
Compliance Information
RoHS/REACH/lead-free status not present in the verified web data for this record. As a current active Microchip product it is expected to be RoHS compliant; confirm on the official Microchip product page before compliance documentation.
