DSPIC33EP64MC206-I/PT - 16-bit DSC 60MHz 64KB Flash | Microchip
MPN: DSPIC33EP64MC206-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.79 | $379.00 |
| 500 | $3.55 | $1,775.00 |
| 1,000 | $3.38 | $3,380.00 |
DSPIC33EP64MC206-I/PT Overview
A digital signal controller combines the computational architecture of a microcontroller with the math acceleration of a DSP. In the embedded systems hierarchy, the dsPIC33EP family sits between general-purpose 16-bit MCUs and dedicated DSPs: it offers deterministic single-cycle MAC and DSP instructions for control loops, while retaining the peripherals, flash self-programming, and development ecosystem of an MCU. The dsPIC33EP MC-series specifically targets digital power and motor control.
Key features include four DMA channels for moving ADC results without CPU intervention, five 16-bit timers, four external interrupt sources, high-speed PWM modules with complementary outputs and dead-time control, and a barrel shifter for fast bit manipulation. The 16-bit fixed-point architecture with DSP multiply-accumulate instructions executes typical current-loop control code in a few microseconds.
Technical highlights of the dsPIC33EP core include an enhanced pipelined architecture, multiple internal bus structure, boundary-scan (JTAG) support for board test, and in-circuit serial programming (ICSP) via any PGECx/PGEDx pin pair. Flash is rated for reprogramming over the product lifecycle, and an internal fast RC oscillator allows operation without an external crystal in cost-sensitive designs.
Typical applications include brushless DC (BLDC) and PMSM motor drives, switching power supplies and power factor correction stages, digital solar inverters, and sensor signal conditioning requiring fast filtering. Microchip reference designs such as the Low Power High Voltage Motor Control Board are built around this exact device.
When designing with this DSC, use a pair of PGECx/PGEDx pins together for ICSP, decouple every VDD pin, and budget SRAM carefully since 8KB fills quickly with large control-loop buffers.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP64MC206-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 DSPIC33EP64MC206-I/PT (same form factor and footprint) — differing in Package, Core, Operating Temperature, RAM, Supply Voltage.
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Request AlternativesDSPIC33EP64MC206-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC core |
| Max Clock Frequency | 60 MHz |
| Performance | up to 70 MIPS |
| Flash Program Memory | 64 KB |
| SRAM | 8 KB |
| DMA Channels | 4 |
| Timers | 5 x 16-bit |
| External Interrupts | 4 |
| DSP Features | Single-cycle MAC, barrel shifter |
| Debug / Programming | ICSP via PGECx/PGEDx pairs, JTAG boundary scan |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 64-lead TQFP (10x10 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Reel Designator | /PT = TQFP tray; T suffix variants tape and reel |
DSPIC33EP64MC206-I/PT Pin Configuration
| Pin 1 | MCLR — Master clear reset (active low), programming voltage input |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference |
| Pin 4 | PGED1/AN2/C1IN-/RP1/RB2 — Debug data channel 1 / analog input 2 |
| Pin 5 | PGEC1/AN3/C1IN+/RP2/RB3 — Debug clock channel 1 / analog input 3 |
| Pin 6 | AN4/C1IN-/RP3/RB4 — Analog input 4 / comparator input |
| Pin 7 | AN5/C1IN+/RP4/RB5 — Analog input 5 / comparator input |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/RC12 — Crystal oscillator input / external clock input |
| Pin 10 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output |
| Pin 11 | VDD — Positive supply |
| Pin 12 | RP5/RB6 — Remappable peripheral pin |
| Pin 13 | RP6/RB7 — Remappable peripheral pin |
| Pin 14 | PGED3/AN8/RP7/RB8 — Debug data channel 3 / analog input 8 |
| Pin 15 | PGEC3/AN9/RP8/RB9 — Debug clock channel 3 / analog input 9 |
| Pin 16 | PGED2/T5CK/AN10/RP9/RB10 — Debug data channel 2 / timer5 clock / analog input 10 |
| Pin 17 | PGEC2/T4CK/AN11/RP10/RB11 — Debug clock channel 2 / timer4 clock / analog input 11 |
| Pin 18 | AN12/RP11/RB12 — Analog input 12 / remappable pin |
| Pin 19 | AN13/RP12/RB13 — Analog input 13 / remappable pin |
| Pin 20 | VSS — Ground reference |
| Pin 21 | AN14/RP13/RB14 — Analog input 14 / remappable pin |
| Pin 22 | AN15/RP14/RB15 — Analog input 15 / remappable pin |
| Pin 23 | VDD — Positive supply |
| Pin 24 | T2CK/RC1 — Timer2 external clock / port C |
| Pin 25 | T3CK/RC2 — Timer3 external clock / port C |
| Pin 26 | RP15/RC3 — Remappable peripheral pin / port C |
| Pin 27 | RP16/RC4 — Remappable peripheral pin / port C |
| Pin 28 | RP17/RC5 — Remappable peripheral pin / port C |
| Pin 29 | VSS — Ground reference |
| Pin 30 | RP18/RC6 — Remappable peripheral pin / port C |
| Pin 31 | RP19/RC7 — Remappable peripheral pin / port C |
| Pin 32 | RP20/RC8 — Remappable peripheral pin / port C |
| Pin 33 | RP21/RC9 — Remappable peripheral pin / port C |
| Pin 34 | VDD — Positive supply |
| Pin 35 | RP22/RD0 — Remappable peripheral pin / port D |
| Pin 36 | RP23/RD1 — Remappable peripheral pin / port D |
| Pin 37 | RP24/RD2 — Remappable peripheral pin / port D |
| Pin 38 | RP25/RD3 — Remappable peripheral pin / port D |
| Pin 39 | RP26/RD4 — Remappable peripheral pin / port D |
| Pin 40 | RP27/RD5 — Remappable peripheral pin / port D |
| Pin 41 | VSS — Ground reference |
| Pin 42 | RP28/RD6 — Remappable peripheral pin / port D |
| Pin 43 | RP29/RD7 — Remappable peripheral pin / port D |
| Pin 44 | RP30/RD8 — Remappable peripheral pin / port D |
| Pin 45 | RP31/RD9 — Remappable peripheral pin / port D |
| Pin 46 | RP32/RD10 — Remappable peripheral pin / port D |
| Pin 47 | RP33/RD11 — Remappable peripheral pin / port D |
| Pin 48 | RP34/RD12 — Remappable peripheral pin / port D |
| Pin 49 | RP35/RD13 — Remappable peripheral pin / port D |
| Pin 50 | VDD — Positive supply |
| Pin 51 | AVDD — Analog positive supply |
| Pin 52 | AVSS — Analog ground |
| Pin 53 | RP36/RF0 — Remappable peripheral pin / port F |
| Pin 54 | RP37/RF1 — Remappable peripheral pin / port F |
| Pin 55 | RP38/RF2 — Remappable peripheral pin / port F (U1RX default) |
| Pin 56 | RP39/RF3 — Remappable peripheral pin / port F (U1TX default) |
| Pin 57 | VSS — Ground reference |
| Pin 58 | RP40/RF4 — Remappable peripheral pin / port F |
| Pin 59 | RP41/RF5 — Remappable peripheral pin / port F |
| Pin 60 | RP42/RF6 — Remappable peripheral pin / port F |
| Pin 61 | RP43/RF7 — Remappable peripheral pin / port F |
| Pin 62 | VDD — Positive supply |
| Pin 63 | RP44/RG0 — Remappable peripheral pin / port G |
| Pin 64 | RP45/RG1 — Remappable peripheral pin / port G |
Typical Applications
DSPIC33EP64MC206-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Supplies and PFC, Solar Inverters and Renewable Energy, Industrial Automation and Sensing, Battery Chargers and BMS Nodes, Audio Signal Processing and DSP Nodes.
BLDC / PMSM Motor Control
The DSPIC33EP64MC206-I/PT is a natural fit for brushless DC and permanent magnet synchronous motor drives because its MC-series high-speed PWM module generates complementary outputs with programmable dead time, while four DMA channels stream ADC current samples into SRAM without CPU cycles. At 60 MHz, the single-cycle MAC executes Clarke/Park transforms and PI current loops in a few microseconds per phase. Typical usage places the DSC between shunt or in-line current sensors and a three-phase gate driver; synchronized ADC sampling at PWM boundaries minimizes switching noise in measurements. Microchip's LPHV Motor Control Board validates this exact device in high-voltage BLDC designs, so reference firmware and motor-control libraries port directly, reducing software risk in new drive projects.
Recommended
Digital Power Supplies and PFC
Switching power supplies, LLC converters, and power factor correction stages benefit from the DSC's DSP engine and tightly coupled PWM/ADC. The 60 MHz core runs voltage- and current-mode control loops with compensation at loop rates up to hundreds of kHz, and the high-resolution PWM capability supports the fine duty-cycle resolution LLC resonant converters demand. DMA moves ADC results to memory so interrupt latency never disturbs the control loop timing. In a typical PFC implementation the DSC samples input voltage and inductor current each switching cycle and adjusts duty via the control law, achieving power factors above 0.99. The 64KB Flash holds the control firmware plus communication and housekeeping code with margin for most compact digital power designs.
Recommended
Solar Inverters and Renewable Energy
Grid-tied solar micro-inverters and MPPT charge controllers combine a switching power stage with maximum-power-point tracking algorithms, a workload the DSPIC33EP64MC206-I/PT handles well. The four DMA channels and five timers allow simultaneous sampling of PV voltage, PV current, and grid feedback signals, while the 60 MHz DSP core runs MPPT perturb-and-observe or incremental-conductance algorithms alongside the inverter control loop. Complementary PWM outputs with dead time directly drive the power stage gate drivers. The 8KB SRAM accommodates control state, filtering histories, and a small communication buffer. Because the same family scales from 64KB to 256KB Flash in the identical TQFP-64 pinout, designers can upgrade firmware complexity later without a PCB respin.
Recommended
Industrial Automation and Sensing
Factory sensors, actuators, and small motion subsystems need deterministic real-time behavior plus robust serial connectivity, both supplied by the DSPIC33EP64MC206-I/PT. Its four external interrupt pins respond to encoder or limit-switch events, five 16-bit timers generate measurement windows and timeouts, and the DSP instruction set applies fast IIR/FIR filtering to noisy sensor channels. The 64-lead TQFP exposes enough I/O to interface UART, SPI, and I2C networks simultaneously, letting the DSC bridge field devices to a supervisory PLC bus. Boundary-scan JTAG support simplifies production board test. Operating from -40C to +85C, the industrial temperature grade covers unconditioned factory floors, and the same footprint scales to extended-temperature variants if the end environment demands it.
Recommended
Battery Chargers and BMS Nodes
Smart battery chargers require synchronized charging-current regulation, safety monitoring, and charge-profile state machines - a combination the DSPIC33EP64MC206-I/PT serves with its CC/CV-oriented MC-series peripherals. The PWM module implements a buck or multi-phase charging stage, the ADC samples battery voltage and current each cycle through DMA, and the 60 MHz core manages temperature-compensated charge curves and fault handling in real time. The 64KB Flash stores multiple chemistry profiles (Li-ion, lead-acid, NiMH) with room for logging and host communication. Four DMA channels keep measurement pipelines running even during communication interrupts. Designers commonly add the device to e-bike chargers, portable power stations, and telecom rectifier front ends where firmware-defined charging flexibility matters.
Recommended
Audio Signal Processing and DSP Nodes
Embedded audio paths such as active crossovers, mixer subsystems, and industrial acoustic monitors exploit the DSC's single-cycle MAC and barrel shifter to execute fixed-point FIR/IIR filtering at audio sample rates with large timing margin. The four DMA channels can service codec interfaces continuously, moving samples between an external audio codec and processing buffers without CPU intervention, while the 60 MHz core performs equalization, dynamic range compression, or acoustic echo tasks. The 64-lead TQFP provides the I/O count to attach I2S codecs, control surfaces, and a host link simultaneously. For products needing heavier floating-point or higher channel counts, the pin-compatible 128KB/256KB family members provide upgrade headroom without changing the PCB.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64MC206-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC206-E/PT | DSPIC33EP128MC206-I/PT | DSPIC33EP256MC206-I/PT | DSPIC33EP64MC206-E/MR |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-QFN (9x9) - different land pattern |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB | 64 KB | 128 KB | 256 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 16 KB | 16 KB | 8 KB |
| Core Speed | 60 MHz (up to 70 MIPS) | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C |
| DMA Channels | 4 | 4 | 4 | 4 | 4 |
Key Differentiators
- Industrial temperature grade at standard price (vs DSPIC33EP64MC206-E/PT)
- Lowest-cost entry in the 64-pin MC206 family (vs DSPIC33EP128MC206-I/PT)
- Balanced 64KB Flash / 8KB SRAM for control apps (vs DSPIC33EP256MC206-I/PT)
- Standard TQFP land pattern for easy assembly (vs DSPIC33EP64MC206-E/MR)
Design Notes
Decouple every VDD pin individually with a 100 nF ceramic placed within 3-5 mm of the pin, plus one bulk 10 uF per supply rail. AVDD should be filtered from VDD through a ferrite bead with its own 1 uF capacitor to keep ADC noise low. The 64-TQFP has a 0.5 mm pitch - use a solder-mask-defined land pattern per Microchip's packaging datasheet and inspect with X-ray or AOI on first articles to catch bridging on the dense outer rows.
ICSP requires a matched PGECx/PGEDx pair: if ICSPCLK is routed to PGEC2, ICSPDAT must go to PGED2 - mixing pair numbers is the most common unbrickleable programming failure. Route your chosen pair (typically PGEC1/PGED1 or PGEC2/PGED2) to a standard 5-pin header with MCLR, VDD, VSS. Also, MCLR needs a 10K pull-up to VDD; never leave it floating, or spurious resets will occur in noisy motor-drive environments.
Use the Peripheral Pin Select (RPx) mapping to keep high-speed PWM outputs and encoder inputs away from the oscillator pins. Keep crystal traces under 15 mm with guard ground. For motor control, synchronize ADC sampling to PWM boundaries in software (delayed trigger from the PWM module) rather than free-running the ADC; this co-sampling approach with DMA dramatically reduces measurement noise from gate-driver switching transients. Estimated: loop-bandwidth margins improve measurably when sampling occurs in the PWM dead-time window.
The DSC operates from a single 3.3V rail; budget the core current per the family datasheet electrical specifications for your clock configuration. Estimated: at 60 MHz with peripherals active, expect tens of milliamps - a 100 mA LDO such as the MCP1700-class parts provides comfortable headroom for the controller alone, but gate-driver and sensor supplies should be separated to prevent ground-bounce coupling into ADC readings. Star-ground the analog shunt sense network for best current-measurement accuracy.
Compliance Information
RoHS compliant and lead free per DigiKey/Mouser listings. AEC-Q100 qualification not indicated for the standard /I grade in provided data.
