DSPIC33EP64MC506T-I/PT - 16-bit DSC 64KB Flash 60MIPS | Microchip
MPN: DSPIC33EP64MC506T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.65 | $3.65 |
| 10 | $3.5 | $35.00 |
| 100 | $3.25 | $325.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.85 | $2,850.00 |
DSPIC33EP64MC506T-I/PT Overview
A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. Within the power management hierarchy, the dsPIC33E family sits between general-purpose MCUs and dedicated DSPs, making it the standard choice for closed-loop motor control, digital power conversion, and embedded sensing where both fast math and rich peripherals are required in a single chip.
Key features include a high-speed 16-bit DSP core with single-cycle MAC and 40-bit accumulator, motor-control PWM peripherals with complementary outputs and dead-time insertion, quadrature encoder interface (QEI) inputs for position feedback, a 10-bit/12-bit ADC, and multiple UART, SPI, and I2C serial ports. These peripherals are purpose-built for field-oriented control (FOC) of BLDC and PMSM motors.
The dsPIC33EP architecture is based on an enhanced flash process with in-circuit serial programming (ICSP) via the MPLAB SNAP or PICkit programmers, allowing firmware updates on the production line without socketing the device. Clock speeds reach 60 MHz with a PLL from an external crystal or internal FRC oscillator.
Typical applications include precision motor drives (BLDC, PMSM, ACIM), digital power supplies and solar inverters, industrial automation nodes, and power-factor-correction converters.
Design consideration: keep the 3.0V to 3.6V supply rail within tolerance and place a 0.1uF decoupling capacitor at each VDD/VSS pin pair; motor-control PWM edges demand careful ground-plane discipline.
This page synthesizes distributor pricing, drop-in alternatives across the dsPIC33EP family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP64MC506T-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 DSPIC33EP64MC506T-I/PT (same form factor and footprint) — differing in Max CPU Speed, Program Memory, Timers, Operating Temperature, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64MC506T-E/PT
✅ Drop-In✓ In Stock
$4.65 / Unit
View Datasheet →DSPIC33EP64MC506T-E/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP128MC506T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.35 / Unit
View Datasheet →DSPIC33EP256MC506T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64GS506
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP64MC506T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC core |
| Max CPU Speed | 60 MIPS (70 MIPS family max) |
| Clock Speed | 60 MHz |
| Program Memory | 64KB Flash |
| Data RAM | 8KB |
| Supply Voltage | 3 V to 3.6 V |
| I/O Ports | 51 |
| Timers | 27 general purpose timers |
| ADC Resolution | 10-bit / 12-bit |
| PWM | Motor Control PWM (MCPWM) with QEI |
| Data Bus | 16-bit |
| Package | 64-TQFP (10x10 mm), 0.90 mm height |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Packaging | Tape & Reel (TR) |
| RoHS Status | RoHS3 Compliant |
| Programming | ICSP via MPLAB SNAP / PICkit |
DSPIC33EP64MC506T-I/PT 64-tqfp (10x10 mm), 0.90 mm height Pin Configuration Guide
Pin configuration for DSPIC33EP64MC506T-I/PT (64-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 DSPIC33EP64MC506T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP64MC506T-I/PT is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Industrial Automation Nodes, Solar Inverters, Embedded Sensing & Data Acquisition, Robotics & Motion Platforms.
BLDC/PMSM Motor Control
The DSPIC33EP64MC506T-I/PT is purpose-built for precision motor control. Its motor-control PWM peripheral generates complementary outputs with hardware dead-time insertion for three-phase bridges, while the quadrature encoder interface reads rotor position at full 60 MIPS throughput without software overhead. The 12-bit ADC samples phase currents with PWM-triggered synchronization, enabling field-oriented control loops running at 10-20 kHz bandwidth. In a typical FOC drive, the DSC executes Clarke/Park transforms and PI current loops with single-cycle MAC operations, delivering torque ripple below what 8-bit MCUs can achieve. Placing the device between the encoder inputs and gate-driver outputs keeps the entire sensor-to-PWM latency deterministic, a critical requirement for servo and robotics drives.
Recommended
Digital Power Conversion
For digitally controlled AC-DC and DC-DC converters, the dsPIC33EP64MC506 provides the ADC-PWM control loop backbone. The 12-bit ADC samples output voltage and inductor current, and the MCPWM module drives half-bridge or full-bridge stages with complementary PWM and programmable dead time. Its 60 MIPS core implements average-current-mode control and power-factor-correction algorithms with predictable loop latency. Because the family page highlights advanced analog integration, engineers can often eliminate a separate analog controller, consolidating PFC and main conversion into one DSC. Typical designs run switching frequencies of 100-500 kHz with PWM resolution adequate for peak-current-mode control; a standalone DSP or dedicated power controller is then unnecessary, reducing BOM cost and board area.
Recommended
Industrial Automation Nodes
In factory automation, the DSPIC33EP64MC506T-I/PT serves as an intelligent actuator or sensor node. Its 51 I/O pins interface limit switches, relays, and encoders directly, while multiple UART, SPI, and I2C ports connect to HMI displays and industrial transceivers. The 27 general-purpose timers support simultaneous task scheduling for step-pulse generation, watchdog supervision, and communications timing. Operating from a 3.0V to 3.6V rail with -40C to +85C industrial temperature rating, the device tolerates control-cabinet environments. In-circuit serial programming allows firmware field updates over the production line without desoldering, so deployed machines can receive control-algorithm revisions during scheduled maintenance windows, extending product lifetime value.
Recommended
Solar Inverters
Grid-tied and off-grid solar inverters require simultaneous maximum-power-point tracking, DC-DC boost control, and DC-AC modulation - a workload the dsPIC33EP64MC506 handles with its DSP MAC engine and multiple PWM channels. The 12-bit ADC digitizes panel voltage/current and grid waveforms, while complementary PWM outputs drive the boost stage and H-bridge inverter. Its 60 MIPS throughput keeps the MPPT algorithm (perturb-and-observe or incremental conductance) executing at hundreds of hertz update rates while inner current loops run at switching frequency. Using one DSC instead of a separate MPPT controller plus inverter controller reduces communication latency between control loops, improving transient response during cloud-shadow events and panel partial shading.
Recommended
Embedded Sensing & Data Acquisition
The DSPIC33EP64MC506T-I/PT works well as the processing core of multi-channel data-acquisition systems. Its integrated 10-bit/12-bit ADC with multiple sample-and-hold channels converts sensor inputs such as pressure, temperature, and vibration, while the DSP engine applies digital filtering (FIR/IIR) using single-cycle multiply-accumulate instructions. The 64KB Flash stores calibration tables and filtering coefficients, and 8KB SRAM buffers sample streams for UART or SPI transfer to a host controller. The 60 MHz clock gives deterministic conversion-to-filter latency, important for condition-monitoring systems detecting bearing faults or pump cavitation. QEI inputs also let the same chip track rotational speed sensors, consolidating analog and encoder acquisition in a single 64-TQFP device.
Recommended
Robotics & Motion Platforms
Robot joints and mobile-platform drives benefit from the DSPIC33EP64MC506T-I/PT combination of QEI position feedback, MCPWM motor drive, and serial communications in one controller. Each joint controller reads encoder counts at hardware speed, executes PID position/velocity loops at 60 MIPS, and reports telemetry over UART or CAN (via external transceiver) to a main robot computer. The 51 I/O pins support limit switches, brake control, and safety interlocks alongside the motor drive signals. Deterministic interrupt latency makes multi-axis synchronization feasible: a shared SYNC signal or timestamped command packets keep joint loops phase-aligned. The -40C to +85C rating covers outdoor mobile robots and unheated warehouse AGVs, and ICSP allows per-robot firmware personalization during final assembly.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64MC506T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC506T-E/PT | DSPIC33EP128MC506T-I/PT | DSPIC33EP256MC506T-I/PT | DSPIC33EP64GS506 |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64KB | 64KB | 128KB | 256KB | 64KB |
| Data RAM | 8KB | 8KB | 16KB | 32KB | 8KB |
| CPU Performance | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| PWM Peripheral | Motor Control PWM (MCPWM) | MCPWM | MCPWM | MCPWM | High-resolution power PWM |
Key Differentiators
- Lowest-cost 64KB grade in the 64-pin MC family (vs DSPIC33EP128MC506T-I/PT)
- Industrial temperature rating at standard cost (vs DSPIC33EP64MC506T-E/PT)
- Motor-control PWM + QEI peripheral set (vs DSPIC33EP64GS506)
Design Notes
The dsPIC33EP64MC506 requires a tightly regulated 3.0V to 3.6V supply. Provide a 0.1uF ceramic decoupling capacitor at every VDD/VSS pin pair, placed within 2 mm of the pins, plus bulk 10uF near the device. The internal regulator requires the specified external VCAP capacitor on the VCAP pin - omitting it or using the wrong value causes erratic operation and brown-out resets. Route VDD/VSS as a power pair with minimum loop area.
Use a solid ground plane under the 64-TQFP. Motor-control PWM edges switching several hundred milliamps into gate drivers will couple into ADC readings unless the analog ground for ADC reference is star-connected back to the main ground at one point. Keep the QEI encoder traces short and, if crossing noisy PWM regions, use differential line drivers. Reserve the PGD/PGC programming pads as test points for production ICSP flashing.
Do not exceed 3.6V on any VDD pin - the dsPIC33EP family has no 5V tolerance on its I/O. Level-shift any 5V sensor or RS-232 signals before connecting them to the 51 I/O pins. Also note the MCLR pin must be pulled up to VDD through a 10k resistor and can be driven by the programmer; leaving it floating causes sporadic resets. Verify oscillator configuration fuses before first flash, since wrong PLL settings can leave the core clocked too fast.
Compliance Information
ROHS3 Compliant per Microchip USA distributor listing. Packaging: Tape & Reel (TR). Manufacturer lead time: 6 weeks.
