DSPIC33EP512MC504T-I/MV - 16-bit 70 MIPS DSC 512KB | Microchip
MPN: DSPIC33EP512MC504T-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.55 | $65.50 |
| 100 | $5.9 | $590.00 |
| 500 | $5.35 | $2,675.00 |
| 1,000 | $4.85 | $4,850.00 |
DSPIC33EP512MC504T-I/MV Overview
A digital signal controller combines the compute throughput of a DSP with the control peripherals and interrupt responsiveness of a microcontroller. Within the semiconductor hierarchy, the dsPIC33EP sits under the broader categories of 16-bit microcontrollers, embedded processors, and power management/motion control silicon, bridging the gap between general-purpose MCUs and dedicated DSPs for closed-loop control systems.
Key differentiating features include the 70 MIPS dsPIC core with integrated DSP engine (single-cycle MAC, barrel shifter, dual operand fetch), up to 49152 words of instruction Flash, 4 DMA channels, 5 general-purpose timers, and communication interfaces spanning CAN 2.0B, I2C, SPI, UART, and IrDA. Roughly 35 programmable I/O are available in the 48-pin package. Motor-control-focused peripherals such as the high-speed PWM with complementary outputs and dead-time insertion, plus dual QEI modules, allow direct interfacing with rotary encoders for servo and BLDC/PMSM field-oriented control.
Architecturally, the device uses a modified Harvard bus with separate program and data paths, enabling deterministic single-cycle instruction execution at its full 60 MHz maximum clock frequency. The CMOS process, boundary-scan (JTAG) support, and internal fast RC oscillators with PLL simplify clocking and test strategies.
Typical applications include brushless DC and permanent-magnet synchronous motor drives, digital power supplies (PFC, LLC), industrial automation nodes on CAN networks, and embedded sensing systems requiring DSP filtering alongside hard real-time control.
Design-wise, keep the 3.0-3.6 V rail well decoupled at the exposed pad and VDD pins, and budget PCB thermal relief for the UQFN exposed pad to serve as the primary ground and heat path.
This page synthesizes distributor pricing context, drop-in family alternatives, pinout and compliance notes, and practical design guidance not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512MC504T-I/MV — 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 DSPIC33EP512MC504T-I/MV (same form factor and footprint) — differing in Communication Interfaces, Core, Package, Timers.
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No drop-in alternatives available for this product.
Request AlternativesDSPIC33EP512MC504T-I/MV Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E, 16-bit |
| Core Architecture | Modified Harvard, DSP-enhanced |
| Maximum CPU Speed | 70 MIPS |
| Maximum Clock Frequency | 60 MHz |
| Program Memory Size | 512 KB (170K x 24) Flash |
| Program Memory Words | 49152 words |
| Data RAM Size | 48 KB |
| Operating Supply Voltage | 3 V to 3.6 V |
| DMA Channels | 4 |
| Timers | 5 |
| Communication Interfaces | CAN, I2C, SPI, UART, IrDA |
| Special Peripherals | QEI, High-Speed PWM, DSP engine |
| Number of I/Os | 35 |
| Package | 48-UQFN (6x6 mm), exposed pad |
| Mounting Style | SMD/SMT |
| Minimum Operating Temperature | -40 C |
| Maximum Operating Temperature | +85 C |
| Number of Cores | 1 |
| Boundary Scan / JTAG | Supported |
| RoHS Status | Compliant |
DSPIC33EP512MC504T-I/MV 48-uqfn (6x6 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP512MC504T-I/MV (48-uqfn (6x6 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 DSPIC33EP512MC504T-I/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512MC504T-I/MV is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Supplies, Industrial Automation and CAN Networks, Robotics and Servo Drives, Sensor Signal Processing and Embedded DSP, Automotive-adjacent and Harsh-Environment Control.
BLDC/PMSM Motor Control
The DSPIC33EP512MC504T-I/MV is purpose-built for precision motor control: its 70 MIPS DSP-enhanced core executes single-cycle MAC instructions needed for field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors, while high-speed PWM peripherals generate complementary outputs with programmable dead-time for three-phase inverter bridges. Dual QEI modules interface directly with rotary encoders for closed-loop position and speed feedback, and CAN enables networked drive communication. Placed as the main controller with gate drivers between the MCU PWM outputs and the power stage, the device provides deterministic loop rates well above typical current-loop bandwidths. The 512 KB Flash accommodates full sensorless observer algorithms plus communication stacks with headroom for firmware field updates.
Recommended
Digital Power Supplies
In digitally controlled AC-DC and DC-DC converters (PFC, LLC, half-bridge), the DSPIC33EP512MC504T-I/MV provides the high-speed PWM resolution and 70 MIPS loop throughput needed for voltage-mode and current-mode control at hundreds of kilohertz. The DSP engine accelerates compensator calculations (PI/PID with anti-windup) within each switching period, while 4 DMA channels stream ADC results without CPU intervention, reducing loop jitter. The 3.0-3.6 V supply and 3.3 V logic levels interface cleanly with isolated feedback and gate-driver circuitry. With 512 KB of Flash, the same controller can host multiple power-conversion profiles, startup/soft-start sequencing, and PMBus-style communication over UART or CAN for intelligent power supplies in servers and telecom rectifiers.
Recommended
Industrial Automation and CAN Networks
For factory automation nodes, the integrated CAN 2.0B controller, multiple UARTs with IrDA support, SPI, and I2C let the DSPIC33EP512MC504T-I/MV act as a networked sensor or actuator controller on CANopen-based industrial buses. The 70 MIPS core handles protocol stacks, local control loops, and signal conditioning DSP filters concurrently, while 5 timers and 35 I/O lines drive relays, read encoders, and monitor safety inputs. The -40 C to +85 C industrial temperature range covers unconditioned cabinet environments, and the 6x6 mm UQFN keeps node PCB area compact. The 512 KB Flash supports full field-updatable firmware with dual-bank bootloader strategies for remote maintenance across deployed installations.
Recommended
Robotics and Servo Drives
Robotic joint and servo-axis controllers benefit from the DSPIC33EP512MC504T-I/MV combination of quadrature encoder interfaces, high-resolution PWM, and DSP math: each joint controller runs cascaded position/velocity/current loops at kilohertz rates with deterministic latency. The single-cycle 16x16 MAC and barrel shifter accelerate Clarke/Park transforms and filter updates, while the QEI modules decode two encoder channels directly without external counting logic. CAN networking ties multiple axis controllers to a central trajectory planner, and the -40 C to +85 C rating suits the thermally constrained joints of mobile robots and cobots. The exposed-pad UQFN package conducts heat into the PCB for reliable operation at sustained control-loop loading.
Recommended
Sensor Signal Processing and Embedded DSP
Applications that digitize analog sensors - vibration, acoustic, current-sense, or biomedical signals - can use the DSPIC33EP512MC504T-I/MV's DSP engine to run FIR/IIR filters, FFTs, and RMS calculations on-chip before forwarding condensed results over UART, SPI, I2C, or CAN. The 70 MIPS core sustains thousands of 256-point filter taps per millisecond, and 4 DMA channels move ADC samples into 48 KB of RAM without CPU cycles, preserving deterministic response. The 512 KB Flash stores calibration tables, multi-sensor firmware, and data logging. The 3.3 V domain simplifies interfacing with modern ADCs and digital sensors, and the compact 6x6 mm UQFN suits dense multi-channel sensor boards in condition-monitoring and portable instrumentation.
Recommended
Automotive-adjacent and Harsh-Environment Control
While the -I grade is specified to +85 C, the same-footprint DSPIC33EP512MC504T-E/MV extends to +125 C, letting one PCB design serve underhood pumps, electric-thermal-valve controllers, and high-temperature industrial drives by swapping the die grade without layout changes. The integrated CAN controller aligns with vehicle and machinery network standards, and QEI modules read position feedback from throttle, valve, or actuator encoders. The 70 MIPS DSP throughput supports sensorless control where harness weight and reliability preclude encoders. Designers should derate flash endurance and refresh timing parameters at the +125 C extreme per the manufacturer datasheet, and confirm EMI/EMC compliance at the system level for automotive deployments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MC504T-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512MC504T-E/MV | DSPIC33EP512MC504T-H/MV | DSPIC33EP256MC504T-I/MV | DSPIC33EP32MC504-E/MV |
|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 512 KB (170K x 24) | 512 KB | 512 KB | 256 KB | 32 KB |
| Data RAM | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| CPU Performance | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Motor-Control Peripherals (PWM, QEI, CAN) | Yes (HS PWM, QEI, CAN) | Yes - identical | Yes - identical | Yes - identical | Yes - identical |
| Drop-in Fit for Same PCB Footprint | Reference | Yes - pin-to-pin | Yes - pin-to-pin | Yes - pin-to-pin | Yes - pin-to-pin |
Key Differentiators
- Largest Flash in the same 48-UQFN MC504 footprint (vs DSPIC33EP32MC504-E/MV)
- Extended temperature option on identical footprint (vs DSPIC33EP512MC504T-E/MV)
- Integrated motor-control peripheral set (vs General-purpose PIC24/dsPIC GP variants (e.g., DSPIC33EP512GP504))
- Trade-off: industrial-only temperature grade (vs DSPIC33EP512MC504T-E/MV)
Design Notes
The 48-UQFN (6x6 mm) exposed pad is the primary ground return and thermal path. Define a via-stitched ground array under the exposed pad (typically a 3x3 or 4x4 via pattern) connecting to the ground plane. The fine 0.5 mm pin pitch requires careful solder-mask-defined pad design; follow Microchip's package outline drawing for pad geometry to avoid solder bridging. Review the dsPIC33EP family reference manual layout guidance before finalizing the footprint.
The device operates from 3.0 V to 3.6 V; brownouts below the minimum will reset the core. Place 100 nF ceramic decoupling on each VDD/AVDD pin pair plus a 4.7-10 uF bulk capacitor, and connect the exposed pad solidly to ground. If the 3.3 V rail derives from a buck converter, verify ripple stays within the 3.6 V absolute operating window under all load transients. Estimated power consumption at 70 MIPS is in the tens-of-mA range per Microchip family typical curves - verify against the current datasheet for your clock configuration.
The /MV (48-UQFN) and /ML (44-QFN) variants are NOT interchangeable despite similar part numbers - verify the package suffix before ordering. Peripheral pin selection (PPS) must be configured in software before UART/SPI functions appear on physical pins; an unconfigured PPS is a frequent bring-up failure. The 'T' suffix denotes tape-and-reel packaging, not a functional difference. Also confirm temperature-grade suffix (-I vs -E) matches your environment's worst-case ambient near the device.
For PWM outputs driving long traces to gate drivers, add small series resistors (10-33 ohm) at the MCU pins to control ringing and reduce EMI from fast edges. Keep encoder (QEI) inputs away from PWM/inverter switching nodes and use differential receivers if encoder cables exceed ~30 cm. Route the CAN bus as a controlled-impedance differential pair with a 120-ohm termination at both ends of the trunk; keep the CAN transceiver close to the MCU pins.
Compliance Information
RoHS compliance explicitly stated in JLCPCB distributor listing for DSPIC33EP512MC504T-I/MV. REACH and conflict-minerals declarations should be confirmed via Microchip's official compliance portal. This is a standard industrial part, not an AEC-Q100 automotive-qualified device.
