DSPIC33EP64MC206T-I/PT - 70 MIPS 64KB DSC 64-TQFP | Microchip
MPN: DSPIC33EP64MC206T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.31 | $3.31 |
| 10 | $3.05 | $30.50 |
| 100 | $2.8 | $280.00 |
| 500 | $2.62 | $1,310.00 |
| 1,000 | $2.45 | $2,450.00 |
DSPIC33EP64MC206T-I/PT Overview
A digital signal controller combines the computational power of a digital signal processor (DSP) with the peripheral set and deterministic interrupt architecture of a microcontroller (MCU). In the power-management hierarchy, the dsPIC33EP family sits above general-purpose 16-bit MCUs and is optimized for closed-loop, math-intensive real-time control such as field-oriented motor control, digital power conversion and sensor signal processing.
Key features include the 70 MIPS dsPIC DSC core with DSP instruction set (single-cycle MAC, 40-bit accumulator), 64 KB self-programmable Flash with ECC-class endurance, and 53 general-purpose I/O lines on this 64-pin device. The motor-control peripheral set delivers complementary or independent PWM outputs with dead-time insertion, quadrature encoder interfaces, and integrated analog comprising op-amps and comparators that reduce external BOM count in power stages.
Architecturally, the dsPIC33EP core supports C and inline assembly development in Microchip MPLAB X IDE with the XC16 compiler, and is code-compatible within the dsPIC33E family, simplifying migration to larger Flash variants. The device offers 27 general-purpose timers grouped into several 16-bit timer blocks, multiple UART/SPI/I2C serial channels, DMA, and a watchdog with its own dedicated RC oscillator for fail-safe operation.
Typical applications include brushless DC and PMSM motor drives, digital LED lighting power supplies, UPS and solar inverter control, and automotive/industrial sensor conditioning. The high-speed PWM resolution supports frequency and duty-cycle granularity required by peak-current-mode converters.
Design consideration: the supply must be held within 3.0 V to 3.6 V, so regulate from 5 V rails with an LDO and place 0.1 uF decoupling at every VDD/VSS pair; the /MCLR pin requires a pull-up and RC for reliable programming.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP64MC206T-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 DSPIC33EP64MC206T-I/PT (same form factor and footprint) — differing in Package, Core, Packaging, Operating Temperature, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64MC206-I/PT
✅ Drop-In✓ In Stock
$3.38 / Unit
View Datasheet →DSPIC33EP64MC206T-E/PT
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33EP64MC206-H/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP128MC206-I/PT
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP256MC206-I/PT
✅ Drop-In✓ In Stock
$4.65 / Unit
View Datasheet →DSPIC33EP64MC206T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC core |
| Max CPU Speed | 70 MIPS |
| Clock Frequency | 60 MHz |
| Program Memory Size | 64 KB (22K x 24) Flash |
| RAM Size | 8 KB |
| Supply Voltage | 3 V to 3.6 V |
| I/O Count | 51 |
| General Purpose Timers | 27 |
| Motor Control Peripherals | MCPWM, QEI, PTG |
| Analog Peripherals | 3 op-amps, 4 comparators |
| Package | 64-TQFP (10x10 mm), 0.90 mm height |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Packaging | Tape & Reel (T suffix) |
| Lifecycle Status | Active |
DSPIC33EP64MC206T-I/PT 64-tqfp (10x10 mm), 0.90 mm height Pin Configuration Guide
Pin configuration for DSPIC33EP64MC206T-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 DSPIC33EP64MC206T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP64MC206T-I/PT is suitable for 6 applications: Brushless DC / PMSM Motor Drives, Digital Power Conversion, Industrial Automation and Sensing, LED Lighting and Electronic Ballasts, Automotive Sensor and Control Units, Portable Instrumentation and Embedded Control.
Brushless DC / PMSM Motor Drives
The DSPIC33EP64MC206T-I/PT fits BLDC and PMSM drives because its 70 MIPS dsPIC33E core executes field-oriented control (FOC) current loops at 10-20 kHz with margin, while the MCPWM module generates complementary PWM pairs with hardware dead-time insertion (down to sub-ns resolution via the PTG and PWM scaling). The QEI module connects directly to incremental encoders for position feedback, and three on-chip op-amps amplify shunt current signals for the ADC. Typical usage: 3-phase inverter with 15-20 kHz PWM, cycle-by-cycle current limiting via comparators, and speed-loop closure in software - eliminating external current-sense amplifiers and reducing BOM cost in drives from tens of watts to several kilowatts.
Recommended
Digital Power Conversion
For digital SMPS, UPS and solar micro-inverter control, the DSPIC33EP64MC206T-I/PT provides the high-resolution PWM and fast analog needed for peak-current-mode and voltage-mode converters. The 70 MIPS core supports multi-loop control (inner current loop plus outer voltage loop) with single-cycle MAC for PI/PID compensation, while four on-chip comparators implement hardware cycle-by-cycle overcurrent protection faster than any software interrupt. The 64 KB Flash holds compensation tables, fault logs and a bootloader. Use the device with its internal op-amps for shunt sensing and configure the MCPWM in push-pull or complementary mode with dead-time for half-bridge and full-bridge topologies at switching frequencies up to several hundred kHz.
Recommended
Industrial Automation and Sensing
In factory automation nodes, the DSPIC33EP64MC206T-I/PT combines 51 I/O, multiple UART/SPI/I2C channels and 27 timers to aggregate sensors, drive actuators and communicate with PLC backbones. The DSP engine accelerates FFT-based vibration analysis and digital filtering of noisy sensor signals - single-cycle MAC at 70 MIPS yields roughly 70 million multiply-accumulates per second for real-time condition monitoring. The -40C to +85C industrial rating covers uncontrolled cabinet environments. Typical usage: SPI-linked ADC front ends, I2C sensor polling, and UART/RS-485 field-bus reporting, with the PTG (Pulse Train Generator) automating simple sequencing tasks without CPU intervention to free headroom for the main control loop.
Recommended
LED Lighting and Electronic Ballasts
High-power LED drivers and HID ballasts benefit from the DSPIC33EP64MC206T-I/PT's high-resolution PWM for precise dimming and current regulation. The MCPWM module produces phase-shifted or complementary outputs with hardware dead-time, enabling buck, boost, LLC and resonant topologies at 100-500 kHz switching frequencies. The four comparators provide fast overcurrent latch-off without CPU latency, protecting LED strings during fault events, and the on-chip op-amps sense output current for closed-loop constant-current regulation at better than 1% accuracy. The 64 KB Flash stores dimming curves, DMX/UART communication stacks and fault diagnostics, while the -I temperature grade suits enclosed luminaires with elevated ambient temperatures.
Recommended
Automotive Sensor and Control Units
The extended-temperature family members (DSPIC33EP64MC206T-E/PT, MR variants noted as AEC-Q100 qualified in distributor data) make this die suitable for automotive body-control, sensor-conditioning and small actuator modules. The 70 MIPS core handles sensor fusion and filtering math, QEI reads rotary position sensors, and the integrated op-amps/comparators condition ratiometric sensors (throttle, pedal, position) without external amplifiers. On the standard -I grade, the same circuit applies to off-highway and agricultural equipment. Designers should implement CAN via an external transceiver, use the watchdog with its independent RC oscillator for fail-safe reset, and verify the specific suffix's qualification level against the Microchip qualification data sheet before use in safety-related functions.
Recommended
Portable Instrumentation and Embedded Control
For handheld and bench instruments, the DSPIC33EP64MC206T-I/PT provides a single-chip solution combining measurement math, user interface and control outputs. The DSP engine performs RMS, power and harmonic calculations on sampled waveforms at 70 MIPS, the ADC plus three op-amps form the analog front end, and UART/SPI/I2C drive displays, storage and PC connectivity. The 3.0-3.6 V single supply and 64-TQFP 10x10 mm footprint fit compact two-layer and four-layer boards. A typical usage pattern: ADC sampling at 10-100 ksps, DSP filtering in a timer interrupt, results formatted over UART to a display, with the PTG automating trigger pulses for stimulus-response measurements without loading the CPU.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64MC206T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC206-I/PT | DSPIC33EP64MC206T-E/PT | DSPIC33EP128MC206-I/PT | DSPIC33EP256MC206-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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Program Memory | 64 KB (22K x 24) | 64 KB | 64 KB | 128 KB | 256 KB |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | Extended (-E grade) | -40C to +85C | -40C to +85C |
| Packaging | Tape & Reel (T) | Tray/Tube (non-T) | Tape & Reel (T) | Tray/Tube (non-T) | Tray/Tube (non-T) |
Key Differentiators
- Cost-optimized 64 KB Flash point in the MC206 family (vs DSPIC33EP128MC206-I/PT)
- Industrial temperature grade with tape-and-reel for production (vs DSPIC33EP64MC206T-E/PT)
- Integrated analog reduces external BOM vs discrete-sense designs (vs DSPIC33EP64MC206-I/PT (tray pack))
Design Notes
The dsPIC33EP supply must stay within 3.0 V to 3.6 V. Regulate a 5 V or 12 V system rail down with a low-noise LDO and decouple every VDD pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus one bulk 10 uF per rail. The internal core regulator requires the specified external VCAP capacitor (per the datasheet low-voltage-detect/regulator section) - do not omit it or the core will be unstable. Tie AVDD/AVSS to clean analog supply, ideally via an RC or ferrite filter from the digital rail to preserve op-amp and ADC accuracy.
For motor-control use, route PWM outputs away from analog sense traces and keep the current-shunt to op-amp input path as short as possible with Kelvin connection at the shunt. Use ground pours on both layers with a single star point at the power-ground return. The 64-TQFP 0.5 mm pitch land pattern per IPC-7351 should include thermal relief-free connections for VSS pads. Leave the /MCLR pin with a 10 k pull-up and programming header (PGD/PGC, VDD, VSS, /MCLR) accessible for MPLAB ICD/Snap debugging in production boards.
The -I grade is rated -40C to +85C only; do not substitute it where the -E (extended) grade is required, even though the parts are pin-identical. Configure peripheral Pin Select (PPS) before assuming default pin mappings - several digital functions on the MC206 are remappable, and unconfigured PPS is the most common first-silicon failure. Also note conflicting published clock figures (60 MHz vs 70 MIPS): the 70 MIPS figure corresponds to operation with the PLL in the permitted overspeed range; design to 60 MHz nominal unless you have validated the exact FRC/PLL configuration per the Microchip oscillator section.
Compliance Information
Compliance status not stated in the provided web data; verify on the Microchip product page. Note: the MR-variant distributor data mentions AEC-Q100 qualification for the extended-temperature TQFN variant only.
