DSPIC33EP64MC506-E/PT - 16-bit DSC 64KB Flash 60MHz | Microchip
MPN: DSPIC33EP64MC506-E/PT ✓ 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 |
DSPIC33EP64MC506-E/PT Overview
A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and deterministic control flow of a microcontroller. Within the power management hierarchy of embedded systems, a DSC sits between a general-purpose MCU and a dedicated DSP, making the dsPIC33E family a leading choice for closed-loop motor control, digital power conversion, and sensor signal processing where a single chip must execute control loops, filtering mathematics, and communication tasks simultaneously.
Key features include motor-control PWM (MCPWM) outputs with complementary modes and dead-time insertion, a quadrature encoder interface (QEI) for position feedback, a CAN 2.0B controller for industrial networking, three on-chip operational amplifiers, and four comparators. The 16-channel 10/12-bit ADC supports high-speed sampling of phase currents and bus voltages for field-oriented control (FOC) algorithms.
The dsPIC33E core implements an enhanced Harvard architecture with DSP instructions (MAC, DSP multiply-accumulate), a 16x16 multiplier, and 40-bit accumulators, enabling single-cycle MAC operations critical for real-time current-loop bandwidth. The CMOS process delivers low active power with 3.0V to 3.6V supply operation.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, servo amplifiers, AC-DC and DC-DC digital power supplies, and industrial automation nodes using CAN bus. The 53 general-purpose I/O pins and 16-channel ADC make it well matched to multi-motor boards and sensor-dense systems.
Design consideration: budget the VCAP core-regulator capacitor exactly per the manufacturer datasheet; omitting or misplacing it is the most common cause of startup instability on the dsPIC33E family.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP64MC506-E/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 DSPIC33EP64MC506-E/PT (same form factor and footprint) — differing in Timers, Operating Temperature, Package, Core, Max CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64MC506-I/PT
✅ Drop-In✓ In Stock
$4.11 / Unit
View Datasheet →DSPIC33EP256MC506-I/PT
✅ Drop-In✓ In Stock
$4.65 / Unit
View Datasheet →DSPIC33EP128MC506-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC506-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64GS506-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP64MC506-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E, 16-bit DSC |
| Core Clock Speed | 60 MHz |
| Flash Program Memory | 64 KB (22K x 24) |
| SRAM Data Memory | 8 KB |
| Supply Voltage | 3 V to 3.6 V |
| I/O Pins | 53 general-purpose I/O |
| ADC | 16-channel, 10/12-bit |
| Op Amps | 3 on-chip |
| Comparators | 4 |
| PWM | Motor Control PWM (MCPWM) |
| Quadrature Encoder Interface | Yes (QEI) |
| CAN | CAN 2.0B controller |
| Timers | 5 timers |
| Operating Temperature | -40C to +125C (E, extended) |
| Package | 64-pin TQFP (10x10 mm), 0.5 mm pitch (PT) |
| Mounting Type | Surface Mount |
| Process Technology | CMOS |
| Life Cycle Stage | Active |
DSPIC33EP64MC506-E/PT 64-pin tqfp (10x10 mm), 0.5 mm pitch (pt) Pin Configuration Guide
Pin configuration for DSPIC33EP64MC506-E/PT (64-pin tqfp (10x10 mm), 0.5 mm pitch (pt) 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 DSPIC33EP64MC506-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP64MC506-E/PT is suitable for 6 applications: BLDC / PMSM Motor Drives, Digital Power Conversion (SMPS), Industrial Automation / CAN Nodes, Servo Amplifiers and Motion Control, Sensor Signal Processing, Automotive-Adjacent and Heavy Equipment Controllers.
BLDC / PMSM Motor Drives
The DSPIC33EP64MC506-E/PT is purpose-built for field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors. Its motor-control PWM module generates complementary outputs with programmable dead-time for three-phase bridges, the QEI decodes encoder position feedback directly, and the 16-channel 10/12-bit ADC synchronously samples phase currents and DC bus voltage. With the 60 MHz DSP core executing single-cycle MAC operations, current loops can close at PWM frequency while maintaining sensorless or sensited algorithms. The three on-chip op amps amplify low-side shunt signals, reducing external BOM cost. Extended -40C to +125C operation suits drive units in industrial cabinets and outdoor equipment.
Recommended
Digital Power Conversion (SMPS)
For digital switch-mode power supplies - AC-DC front ends, LLC converters, and high-density DC-DC bricks - the dsPIC33EP64MC506 executes voltage- and current-loop compensation digitally at 60 MHz. Although the GS506 variant is the SMPS-specialized sibling, the MC506's MCPWM module with high-resolution duty control and its fast comparators support peak-current-mode and burst-mode schemes. The 12-bit ADC monitors output voltage and input conditions for power-good sequencing and fault shutdown via hardware limits. The CAN interface enables PMBus-style supervisory control in rack power systems. For a pure digital-power BOM consolidation, designers may cross-consider DSPIC33EP64GS506-I/PT on the same 64-TQFP footprint.
Recommended
Industrial Automation / CAN Nodes
In factory automation, the DSPIC33EP64MC506-E/PT serves as an intelligent actuator or sensor node: the CAN 2.0B controller handles deterministic industrial networking at up to 1 Mbps, while 53 general-purpose I/O with peripheral remapping lets one chip drive relays, read quadrature encoders, and sequence I/O without external glue logic. The extended temperature rating permits mounting inside motor housings and switchgear. The DSP engine filters analog signals (vibration, current signatures) for predictive maintenance analytics at the edge, reducing upward bandwidth demands on the CAN backbone.
Recommended
Servo Amplifiers and Motion Control
Servo drives require tight coordination of position, velocity, and current cascades; the DSPIC33EP64MC506-E/PT closes these cascades on one die. The QEI module interfaces with incremental encoders for high-resolution position feedback, while the MCPWM module drives the power stage with dead-time-protected complementary outputs. The 60 MHz core's DSP instruction set implements PI/PID and notch filters for mechanical resonance suppression in software. With 3 op amps and 4 comparators on-chip, analog front-end count is minimized, and the extended -40C to +125C rating covers drive enclosures without forced-air cooling assumptions.
Recommended
Sensor Signal Processing
The DSPIC33EP64MC506-E/PT excels as an embedded DSP front end for analog sensors. Its 16-channel 10/12-bit ADC with simultaneous multi-channel scanning captures arrays of strain, pressure, or current sensors, while the on-chip op amps provide programmable-gain amplification ahead of conversion. The 40-bit accumulator DSP engine executes FIR/IIR filtering, RMS computation, and FFT windows in real time at 60 MHz, enabling condition monitoring and measurement products without a separate DSP. The 64-pin TQFP provides 53 I/O, ample for multiplexed sensor banks, and the 8KB SRAM buffers waveform captures for CAN or UART upload.
Recommended
Automotive-Adjacent and Heavy Equipment Controllers
Heavy equipment and off-highway subsystem controllers benefit from the E-grade (-40C to +125C) temperature rating of the DSPIC33EP64MC506-E/PT, tolerating engine-bay and hydraulic-compartment temperatures that defeat industrial-grade parts. The CAN 2.0B interface integrates with vehicle J1939-style networks, the MCPWM drives hydraulic valves and DC motors, and the 12-bit ADC reads pressure and temperature transducers. Robust 5V-tolerant-style I/O design practices with external conditioning let the 3.3V DSC bridge legacy 24V industrial signaling through optocouplers or level shifters on a single-controller PCB.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64MC506-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC506-I/PT | DSPIC33EP256MC506-I/PT | DSPIC33EP128MC506-I/PT | DSPIC33EP32MC506-I/PT | DSPIC33EP64GS506-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 256 KB | 128 KB | 32 KB | 64 KB |
| Core Speed | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Temperature Range | -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) | -40C to +85C (I grade) |
| Peripheral Focus | MCPWM + QEI, motor control, 3 op amps, 4 comparators, CAN | MCPWM + QEI, motor control, CAN - identical | MCPWM + QEI, motor control, CAN - identical | MCPWM + QEI, motor control, CAN - identical | MCPWM + QEI, motor control, CAN - identical | SMPS/digital-power PWM set (differs) |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
Key Differentiators
- Extended temperature rating for harsh enclosures (vs DSPIC33EP64MC506-I/PT)
- Right-sized 64KB Flash minimizes cost (vs DSPIC33EP256MC506-I/PT)
- Motor-control peripheral integration reduces BOM (vs DSPIC33EP64GS506-I/PT)
Design Notes
The dsPIC33EP64MC506 requires a 3.0V-3.6V supply with an on-chip core regulator decoupled at the VCAP pin. Estimated: a typical 3.3V rail with 100 mA average controller current implies ~0.33W device dissipation - modest, but supply ripple should be kept low for ADC accuracy. Use a dedicated 3.3V LDO or filtered buck output for the analog supply (AVDD) with an RC or ferrite filter from the digital rail to preserve the 12-bit ADC effective number of bits.
For motor-control layouts on the 64-TQFP, keep the MCPWM gate-driver traces short and routed away from the QEI encoder inputs to prevent PWM switching edges from corrupting position counts. Place 0.1uF decoupling capacitors at every VDD pin within 2-3 mm, and one bulk 10uF near the controller. Tie AVSS to a quiet analog ground island connected to the digital ground at a single point under the ADC.
The most common dsPIC33E startup failure is omitting or undersizing the VCAP core-regulator capacitor specified in the Microchip datasheet - symptoms include intermittent resets at high temperature. Also note that MCLR requires a proper pull-up and programmer connector for in-circuit debugging with PICkit/ICD tools; omitting this access forces socketed production programming.
Compliance Information
RoHS compliant and lead-free per Mouser/DigiKey distributor listings for the /PT TQFP tray package. REACH and halogen-free status should be confirmed against Microchip product compliance documentation. Not AEC-Q100 automotive qualified (note: Octopart comparison lists the dsPIC33EP series as carrying AEC-Q100-related automotive references for some variants - verify with Microchip for automotive builds).
