DSPIC33EP256MC504-E/MV - 16-bit 60 MIPS DSC 256KB | Microchip
MPN: DSPIC33EP256MC504-E/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.06 | $50.60 |
| 100 | $4.55 | $455.00 |
| 500 | $4.1 | $2,050.00 |
| 1,000 | $3.69 | $3,690.00 |
DSPIC33EP256MC504-E/MV Overview
A digital signal controller combines the computational architecture of a microcontroller with the math-acceleration of a digital signal processor. In the power-management IC hierarchy, a DSC such as the dsPIC33EP family sits at the center of embedded motor control systems, executing a real-time control loop (PID, field-oriented control) alongside general firmware tasks. The dsPIC33EP family is Microchip's 16-bit flash-based DSC line, part of the broader 16-bit MCU portfolio.
Key features include DSP engine instructions (MAC, DSP multiply-accumulate), a high-speed PWM module with complementary outputs and dead-time control, dual CAN 2.0B modules, Peripheral Trigger Generator (PTG), 4 DMA channels, and 5 timers. On-chip analog integration includes high-speed ADC, comparators, and op amps per the family datasheet title: '16-Bit Microcontrollers and Digital Signal Controllers with High-Speed PWM, Op Amps and Advanced Analog.'
Architecturally, the dsPIC core uses a modified Harvard pipeline with separate program and data buses, allowing single-cycle instruction execution at 60 MIPS and deterministic interrupt latency essential for tight current-loop control in motor drives and digital power conversion.
Typical applications include brushless DC (BLDC) and PMSM motor control, digital power supplies (PFC, LLC), automotive and industrial sensor interfaces with CAN connectivity, and embedded control systems requiring the extended -40C to +125C temperature range of the E-suffix grade.
Design consideration: use the internal voltage regulator output capacitor (VCAP) per datasheet recommendations and ensure the 3.0V-3.6V supply rail is well decoupled at each VDD pin for clean ADC and PWM performance.
This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EP256MC504-E/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 DSPIC33EP256MC504-E/MV (same form factor and footprint) — differing in Operating Temperature, Package, RAM, Timers, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP256MC504-I/MV
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256MC204T-I/MV
✅ Drop-In✓ In Stock
$3.34 / Unit
View Datasheet →DSPIC33EP128MC204T-I/MV
✅ Drop-In✓ In Stock
$3.65 / Unit
View Datasheet →DSPIC33EP512MC504-I/MV
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256MC504-E/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC core |
| Maximum CPU Speed | 60 MIPS |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| RAM | 32 KB |
| Package | 48-UQFN (6x6 mm) |
| Operating Temperature | -40C to +125C (E suffix, extended) |
| CAN Modules | 2 x CAN 2.0B |
| DMA Channels | 4 |
| Timers | 5 |
| Peripheral Trigger Generator (PTG) | Yes |
| PWM Module | High-Speed PWM with MCPWM |
| Quadrature Encoder Interface (QEI) | Yes |
| On-chip Op Amps | Yes (per family datasheet) |
| Comparators | Yes (per family datasheet) |
| Device Type | CMOS 16-bit DSC, Digital Signal Processors & Controllers |
| Mounting Type | Surface Mount |
DSPIC33EP256MC504-E/MV 48-uqfn (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP256MC504-E/MV (48-uqfn (6x6 mm) 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 DSPIC33EP256MC504-E/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP256MC504-E/MV is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Industrial CAN Networking Nodes, Automotive Auxiliary Systems, Embedded Analog Sensing, Test & Measurement Instruments.
BLDC/PMSM Motor Control
The DSPIC33EP256MC504-E/MV is purpose-built for precision motor control: its 60 MIPS 16-bit DSP core executes field-oriented control (FOC) current loops at switching frequencies well above audibility, while the high-speed PWM module provides complementary outputs with hardware dead-time insertion for three-phase inverter bridges. The Quadrature Encoder Interface decodes encoder feedback without CPU intervention, and on-chip comparators plus op amps support inline over-current protection and phase-current amplification. The extended -40C to +125C temperature range allows mounting near power stages in industrial drives. Per Microchip, the dsPIC33EP family enables high-performance precision motor control systems in a single device, reducing bill-of-materials versus discrete MCU-plus-DSP solutions.
Recommended
Digital Power Conversion
In switch-mode power supplies such as PFC stages, LLC converters, and solar micro-inverters, the DSPIC33EP256MC504-E/MV provides the deterministic 60 MIPS core needed for voltage-mode and current-mode digital control loops at tens of kHz to hundreds of kHz. The high-speed PWM module supports complementary outputs, phase-shifted topologies, and fault shutdown inputs, while the 4 DMA channels stream ADC results to RAM without CPU loading. On-chip comparators implement cycle-by-cycle current limiting in hardware for fast fault response. The 256KB Flash accommodates compensation algorithms, communication protocols, and diagnostic firmware simultaneously, and the PTG module offloads deterministic PWM-trigger sequences from software.
Recommended
Industrial CAN Networking Nodes
With two integrated CAN 2.0B modules, the DSPIC33EP256MC504-E/MV acts as a dual-bus gateway or node in industrial automation and vehicle networks, bridging a machine-level CAN bus to a control-plane bus without external CAN controllers. Each CAN module has dedicated hardware message buffering, and DMA offloads buffer transfers. The 60 MIPS core simultaneously runs the application firmware, CAN stack, and real-time control tasks. The extended -40C to +125C operating range of the E-grade suits factory-floor and automotive-adjacent installations where ambient temperatures exceed commercial limits. The 256KB Flash stores two protocol stacks plus OTA-updatable application images.
Recommended
Automotive Auxiliary Systems
The extended -40C to +125C temperature grade makes the DSPIC33EP256MC504-E/MV appropriate for automotive auxiliary electronic systems such as pump control, fan control, actuator drivers, and body electronics where under-hood or engine-bay temperatures occur. The CAN 2.0B interface integrates with vehicle networks, the high-speed PWM drives DC or BLDC actuators with dead-time protection, and QEI handles position sensors. While this part itself is the extended-grade commercial-family device rather than a separate AEC-qualified automotive line, its temperature range and dual CAN make it a practical fit for non-safety-critical vehicle functions. On-chip analog reduces external component count in cost-sensitive modules.
Recommended
Embedded Analog Sensing
The dsPIC33EP MC family integrates advanced analog, including high-speed ADC, op amps, and comparators per the family datasheet, so the DSPIC33EP256MC504-E/MV can amplify, filter, and digitize sensor signals entirely on-chip. The op amps buffer sensor outputs before the ADC, the comparators create threshold alarms without CPU latency, and DMA streams converted data for FFT or averaging in RAM. The 60 MIPS DSP instruction set accelerates digital filtering. The PTG module sequences ADC sampling deterministically for coherent multi-channel capture. This makes the device well suited for industrial sensor transmitters, battery monitors, and instrumentation front ends in the extended -40C to +125C range.
Recommended
Test & Measurement Instruments
Handheld and bench instruments benefit from the DSPIC33EP256MC504-E/MV's combination of 60 MIPS DSP throughput, 256KB Flash for calibration tables and USB/UART command stacks, and deterministic PWM generation for stimulus signals. The high-speed ADC with DMA capture enables waveform logging, while the PTG automates time-critical measurement sequences independent of software jitter. On-chip comparators support limit-checking in hardware. The 48-pin UQFN (6x6 mm) keeps the controller section compact in portable enclosures, and the E-grade temperature range tolerates battery-compartment heating. Dual CAN also allows the instrument to interface with industrial test buses.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP256MC504-E/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP256MC504-I/MV | DSPIC33EP256MC204T-I/MV | DSPIC33EP128MC204T-I/MV | DSPIC33EP512MC504-I/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 |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Memory | 256 KB | 256 KB | 128 KB | 128 KB | 512 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| CAN Modules | 2 x CAN 2.0B | 2 x CAN 2.0B | 2 x CAN 2.0B | 2 x CAN 2.0B | 2 x CAN 2.0B |
| PTG Peripheral | Yes | Yes | Yes | Yes | Yes |
| Extended Temp Grade (125C) | Yes | No | No | No | No |
Key Differentiators
- Extended -40C to +125C temperature grade in UQFN-48 (vs DSPIC33EP256MC504-I/MV)
- 2x the Flash of same-footprint MC204 parts (vs DSPIC33EP256MC204T-I/MV)
- Trade-off: higher temperature grade costs premium over I-grade (vs DSPIC33EP512MC504-I/MV)
Design Notes
The dsPIC33EP family includes an internal voltage regulator that generates the core supply; the VCAP pin requires a low-ESR capacitor (typically ~10 uF ceramic, value per datasheet) placed as close to the pin as possible. The 3.0V-3.6V VDD rail must be decoupled at each VDD pin with 0.1 uF ceramics plus bulk capacitance. Do not drive the regulator output externally. Verify the exact VCAP capacitor value and all supply decoupling requirements against family datasheet DS70000657J before layout sign-off.
The 48-UQFN 6x6 mm package has an exposed thermal pad that should be soldered to a ground plane array of thermal vias for reliable grounding and heat dissipation, especially at 60 MIPS operation across -40C to +125C. Place the MCLR programming circuitry, ICSP header (PGD/PGC), and crystal within short trace lengths. Keep PWM output traces routed away from analog inputs feeding the on-chip ADC and op amps to preserve signal integrity in motor-control layouts.
Do not use this E-grade part interchangeably with the I-grade (DSPIC33EP256MC504-I/MV) in designs that can exceed +85C ambient - the I-grade will run outside its ratings. Also remember that configuration bits (oscillator source, watchdog, PWM pin mapping) live in Flash and must be programmed correctly or the device may not start; always verify clock configuration with the family datasheet register descriptions before first power-up.
Compliance Information
RoHS/REACH/lead-free status not explicitly stated in the provided verified web data; confirm on the Microchip product page or distributor compliance documents before procurement.
