DSPIC33EP512MC806-I/PT - 16-bit 70 MIPS DSC, 512KB Flash | Microchip
MPN: DSPIC33EP512MC806-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.9 | $12.90 |
| 10 | $11.61 | $116.10 |
| 100 | $10.45 | $1,045.00 |
| 500 | $9.42 | $4,710.00 |
| 1,000 | $8.48 | $8,480.00 |
DSPIC33EP512MC806-I/PT Overview
A digital signal controller combines the computational power of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33E family sits between general-purpose 16-bit MCUs and dedicated DSPs, offering a single-cycle MAC, barrel shifter, and modulo and bit-reversed addressing modes that accelerate real-time control loops such as field-oriented motor control and digital power conversion.
Key features include the 70 MIPS dsPIC33E core with integrated DSP engine, dual motor-control peripherals with high-speed PWM, dual CAN 2.0B modules, and a rich serial mix of I2C, I2S, SPI, and UART interfaces. According to the verified distributor data, the device exposes 53 general-purpose I/O pins and carries the -I (industrial) temperature grade.
Architecturally, the dsPIC33EP core uses an enhanced Harvard bus structure with 24-bit instruction words, allowing program memory up to 512 KB to be fetched every cycle. The high-speed PWM modules support complementary outputs, dead-time insertion, and fault inputs, which are essential for half-bridge and three-phase inverter topologies. Multiple internal voltage regulators and an on-chip oscillator with PLL reduce external component count.
Typical applications include precision motor control (BLDC, PMSM, ACIM), digital power supplies and solar inverters, industrial automation nodes using dual CAN buses, and general embedded control requiring DSP-class math such as sensor filtering. The dual CAN modules make the part especially suitable for automotive-adjacent and industrial networked systems.
Design consideration: all VDD and VSS pins must be connected for reliable operation, and when using ICSP programming, the PGECx/PGEDx pins must be used as a matched pair; the -/PT TQFP package also requires attention to the VCAP pin for the internal core regulator.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet, giving engineers a single citable reference for the DSPIC33EP512MC806-I/PT.
Drop-in alternatives for DSPIC33EP512MC806-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 DSPIC33EP512MC806-I/PT (same form factor and footprint) — differing in Operating Temperature Range, RoHS Status, CAN Modules, Core Architecture, Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP256MC806-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC806-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512MC804-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GM806-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GP806T-E/PT
✅ Drop-In✓ In Stock
$8.62 / Unit
View Datasheet →DSPIC33EP512MC806-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum CPU Speed | 70 MIPS (up to 60 MHz instruction clock) |
| Program Memory (Flash) | 512 KB |
| Data RAM | 52 KB |
| Supply Voltage | 3.3 V |
| Operating Temperature Range | -40C to +85C (industrial, -I grade) |
| Package | 64-TQFP (10x10 mm), /PT suffix |
| Mounting Type | Surface Mount |
| General-Purpose I/O | 53 I/O |
| CAN Modules | 2x CAN 2.0B |
| Serial Interfaces | I2C, I2S, SPI, UART |
| Motor Control Peripherals | Dual motor control with high-speed PWM |
| Core Peripherals | DSP engine, MAC, barrel shifter, boundary scan |
| Programming | ICSP (PGECx/PGEDx pairs), multiple debugger pin pairs |
| RoHS Status | Compliant |
| Product Family | dsPIC33EP512MC806 (dsPIC33EP MC series) |
DSPIC33EP512MC806-I/PT 64-tqfp (10x10 mm), /pt suffix Pin Configuration Guide
Pin configuration for DSPIC33EP512MC806-I/PT (64-tqfp (10x10 mm), /pt suffix 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 DSPIC33EP512MC806-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512MC806-I/PT is suitable for 6 applications: Precision Motor Control (BLDC/PMSM/ACIM), Industrial Automation with Dual CAN Networking, Digital Power Conversion and Solar Inverters, Sensor Signal Processing and DSP Filtering, Embedded Control Nodes and Robotics, Automotive-Adjacent and Networked Subsystems.
Precision Motor Control (BLDC/PMSM/ACIM)
The DSPIC33EP512MC806-I/PT is purpose-built for precision motor control: its 70 MIPS dsPIC33E core with single-cycle MAC executes field-oriented control (FOC) loops at PWM frequencies high enough for low-torque-ripple PMSM and BLDC drives, while the dual motor-control peripheral set with high-speed PWM provides complementary outputs, dead-time insertion, and fault shutdown required by three-phase inverters. In a typical topology, the PWM modules drive a gate-driver stage, and the on-chip ADC samples phase currents at the PWM center for cycle-by-cycle current control. The 512 KB Flash holds sensorless observer algorithms, and the -40C to +85C industrial grade suits factory floor drives. Quantified benefit: deterministic single-cycle DSP math eliminates software overhead in the inner current loop.
Recommended
Industrial Automation with Dual CAN Networking
With dual CAN 2.0B modules, the DSPIC33EP512MC806-I/PT bridges two independent CAN networks - for example, a machine-level control bus and a cell-level diagnostics bus - inside one controller, eliminating an external CAN gateway chip. The 70 MIPS core simultaneously runs the application state machine, CAN stack layers, and sensor filtering, while 53 I/O lines handle interlocks, limit switches, and indicator outputs. The 512 KB Flash accommodates protocol stacks plus OTA-update headroom, and the industrial -40C to +85C rating matches cabinet-mounted automation hardware. Using a transceiver such as the MCP2551 per bus gives a complete two-channel node; the second CAN channel also enables redundant-bus safety architectures common in material-handling and process equipment.
Recommended
Digital Power Conversion and Solar Inverters
Digital power supplies, PFC stages, and solar micro-inverters demand deterministic control loops; the DSPIC33EP512MC806-I/PT delivers with its high-speed PWM supporting complementary outputs, programmable dead time, and fault trip inputs, plus an ADC synchronized to the PWM period for distortion-free current sampling. The 70 MIPS core computes PI and resonant compensators every switching cycle, and the DSP MAC accelerates harmonic analysis for grid-code compliance. The 3.3V industrial-grade device monitors voltages and temperatures across the -40C to +85C ambient range required by outdoor power electronics. The dual CAN interface reports status to system supervisory controllers in distributed energy architectures, while the 512 KB Flash stores multiple firmware profiles for different grid standards.
Recommended
Sensor Signal Processing and DSP Filtering
Applications such as vibration monitoring, weigh scales, and acoustic analysis benefit from the DSP engine of the DSPIC33EP512MC806-I/PT: the single-cycle MAC, dual operand fetch, and modulo/bit-reversed addressing run FIR and IIR filters and FFTs far faster than a general MCU core at the same clock. I2S and SPI interfaces stream data from audio codecs and high-resolution ADCs, while 52 KB of RAM buffers records for block processing. The 70 MIPS instruction rate supports real-time spectral analysis into the tens-of-kilohertz band, and the 512 KB Flash retains coefficient tables and calibration data. The -40C to +85C grade permits deployment in unconditioned industrial environments alongside the sensors being monitored.
Recommended
Embedded Control Nodes and Robotics
Robot joint controllers, gantries, and mobile-robot drive nodes need a controller that closes current loops, sequences motion profiles, and talks to a host network simultaneously; the DSPIC33EP512MC806-I/PT covers all three. Its 70 MIPS core runs trajectory generation while dual motor-control PWM handles the power stage, UART/SPI links command sensors, and one CAN bus joins the robot network with the second CAN bus reserved for diagnostics. The 53 I/O lines interface encoders, limit switches, and safety chains across the -40C to +85C industrial range. ICSP programming through any PGECx/PGEDx pair allows field firmware updates with standard Microchip tools, and the 512 KB Flash retains multiple motion profiles.
Recommended
Automotive-Adjacent and Networked Subsystems
Although the -I grade part is not AEC-Q100 qualified, the DSPIC33EP512MC806-I/PT is widely used in automotive-adjacent equipment - test benches, charging-station auxiliaries, fleet tooling, and industrial vehicles - where dual CAN 2.0B is the connectivity backbone. Each CAN module handles 2.0B frames independently, letting one DSC serve both a vehicle-style bus and a machine bus. The 70 MIPS core filters messages, executes pump/fan motor control via the high-speed PWM, and logs to the 512 KB Flash. Operating from 3.3V across -40C to +85C, it fits engine-bay-adjacent enclosures and unheated depots. For full automotive qualification, migrate to Microchip's automotive-qualified dsPIC variants with the same architecture.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MC806-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP256MC806-I/PT | DSPIC33EP128MC806-I/PT | DSPIC33EP512MC804-I/PT | DSPIC33EP512GP806T-E/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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / MIPS | 16-bit dsPIC33E, 70 MIPS | 16-bit dsPIC33E, 70 MIPS | 16-bit dsPIC33E, 70 MIPS | 16-bit dsPIC33E, 70 MIPS | 16-bit dsPIC33E, 70 MIPS |
| Flash | 512 KB | 256 KB | 128 KB | 512 KB | 512 KB |
| CAN Modules | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B |
| Motor-Control Peripherals | Dual motor control, high-speed PWM | Dual motor control (same MC family) | Dual motor control (same MC family) | Motor control (MC family, reduced I/O) | General-purpose peripheral set (GP family) |
| Temperature Grade | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | Extended (E) grade |
| Drop-in Compatibility | Reference part | Pin-identical, same footprint | Pin-identical, same footprint | Same 64-pin footprint, reduced port allocation | Same 64-pin footprint, different peripheral map |
Key Differentiators
- Dual CAN 2.0B in a single DSC (vs DSPIC33EP512MC804-I/PT)
- Maximum family memory in the 64-pin MC family (vs DSPIC33EP256MC806-I/PT)
- Dedicated dual motor-control PWM set (vs DSPIC33EP512GP806T-E/PT)
Design Notes
Connect ALL VDD and VSS pins on the 64-TQFP package. Per Microchip documentation, if even one supply pin is left unconnected, ICSP programming may fail. Place a 100 nF ceramic decoupling capacitor at every VDD/VSS pair as close to the pins as possible, plus bulk capacitance near the regulator. The VCAP pin requires the datasheet-specified capacitor to stabilize the internal core regulator - do not load it externally.
The DSPIC33EP512MC806 exposes multiple PGECx/PGEDx pairs for ICSP. You may use any pair, but the two pins of a pair must be used together (PGEC2 with PGED2, never mixed). Microchip notes this device is sensitive to cross-talk between PGEC and PGED lines: keep each programming pair on short, separated traces, avoid routing them parallel to switching PWM nets, and reserve the chosen pair exclusively for the programmer connector.
Run the part at a clean 3.3V rail. When sharing a supply with motor-drive gate drivers or CAN transceivers, separate the DSC analog supply path with an LC or ferrite filter to keep PWM switching noise out of the ADC reference; use the dedicated VREF+ pin with a precision reference for ratiometric-critical current sensing. Estimated: a three-phase drive switching 20 V/10 A edges can couple hundreds of millivolts of ripple into an unfiltered 3.3V rail, well above ADC noise targets.
For motor-control use, route the current-sense ADC inputs differentially and short, and synchronize ADC sampling to the PWM center via the peripheral trigger rather than software - this cancels switching-edge noise inherently. Keep the crystal or internal-FSO oscillator traces away from PWM outputs, and provide ground pours under the CAN bus pair with 120-ohm termination at the physical bus, not at the DSC pins.
Compliance Information
RoHS compliant per verified distributor listings (onlinecomponents: 'RoHS Compliant'). Industrial temperature grade (-I); the standard part is not AEC-Q100 qualified - see Microchip automotive product lines for qualified alternatives.
