DSPIC33EP128MC206-E/PT - 16-bit 60 MIPS DSC 128KB | Microchip
MPN: DSPIC33EP128MC206-E/PT ✓ Active| Qty | Unit Price | Extended |
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| 1 | $1 | $1.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33EP128MC206-E/PT Overview
A digital signal controller combines the computational architecture of a microcontroller with the DSP engine of a digital signal processor. Within the power-management hierarchy, a DSC such as this dsPIC33E device sits between general-purpose MCUs and dedicated DSPs, offering deterministic interrupt handling plus single-cycle MAC and multiply instructions for control-loop mathematics, making it the standard choice for high-performance motor control and digital power conversion.
Key features include the 16-bit dsPIC DSC core with integrated DSP, high-speed PWM peripherals for motor drive, on-chip op amps and advanced analog for current sensing, and multiple DMA channels that offload data movement from the CPU. The E-suffix grade extends operation to -40C to +125C ambient, supporting under-hood and industrial environments.
Architecturally, the device provides pipelined instruction execution with dual data fetch, enabling the deterministic execution of PID and field-oriented-control inner loops at rates unattainable by conventional 8- and 16-bit MCUs without external DSP coprocessing.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) control, digital power supplies such as PFC and LLC converters, automotive auxiliary systems, and industrial automation drives.
Design consideration: the part operates from a 3.3V supply and requires all VDD/VSS pairs and the ICSP PGEC/PGED pair to be correctly wired for programming and debugging.
This page adds distributor-sourced alternatives, comparison tables, and engineering design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP128MC206-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 DSPIC33EP128MC206-E/PT (same form factor and footprint) — differing in Operating Temperature, Core, Supply Voltage, Package, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MC206-I/PT
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP256MC506-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP256GP506-E/PT
✅ Drop-In✓ In Stock
$4.21 / Unit
View Datasheet →DSPIC33EP128GM306-E/PT
✅ Drop-In✓ In Stock
$6.15 / Unit
View Datasheet →DSPIC33EP128MC206-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EP 16-bit DSC |
| Max CPU Speed | 60 MIPs |
| Max Clock Frequency | 60 MHz |
| Flash Program Memory | 128KB (43K x 24) |
| RAM | 16KB |
| Supply Voltage | 3.3 V |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (extended, E grade) |
| Qualification | AEC-Q100 (Automotive) |
| DMA Channels | 4 |
| Timers | 5 |
| Peripherals | High-speed PWM, op amps, advanced analog |
| Programming/Debug | ICSP (multiple PGECx/PGEDx pairs) |
| Family | dsPIC33E Digital Signal Controllers |
| RoHS Status | Compliant |
DSPIC33EP128MC206-E/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP128MC206-E/PT (64-tqfp (10x10 mm) 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 DSPIC33EP128MC206-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC206-E/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Systems, Industrial Drives and Automation, Power Inverters and UPS, Embedded Sensing and Control Nodes.
BLDC / PMSM Motor Control
The DSPIC33EP128MC206-E/PT is purpose-built for precision motor control: its 60 MIPS dsPIC core executes field-oriented-control (FOC) inner loops deterministically, while high-speed PWM peripherals generate complementary outputs with hardware dead-time insertion. On-chip op amps condition low-side shunt current feedback directly, removing external amplifier stages and cutting BOM cost. In a typical 3-phase PMSM drive, the DSC samples phase currents each PWM cycle via high-speed ADCs, runs Park/Clarke transforms using single-cycle MAC instructions, and updates duty cycle within the PWM period - achieving control bandwidths impossible for standard 8-bit MCUs. Designers should budget flash carefully, as sensorless FOC plus communication stacks typically consume a substantial share of the 128KB program space.
Recommended
Digital Power Conversion
Digital power supplies such as PFC stages, LLC resonant converters, and DC-DC modules benefit from the dsPIC33EP's deterministic 60 MIPS loop timing and advanced analog integration. The high-speed PWM module supports complementary, push-pull, and phase-shifted topologies with adaptive dead time, while on-chip comparators provide hardware overcurrent trip without CPU intervention - essential fault response measured in nanoseconds. The 4-channel DMA moves ADC results to RAM without stealing cycles, keeping the voltage-loop ISR lightweight. Using this AEC-Q100, -40C to +125C E-grade part in AC-DC front ends ensures reliable operation inside sealed industrial enclosures where ambient temperatures approach automotive levels. Verify ADC/PWM peripheral mapping against the family datasheet Table 2 when porting firmware.
Recommended
Automotive Auxiliary Systems
With AEC-Q100 qualification and -40C to +125C extended range, the DSPIC33EP128MC206-E/PT targets automotive auxiliary motor loads: radiator/condenser fans, fuel pumps, wiper systems, and electronic water pumps. These applications need deterministic sensorless motor control plus robust CAN communication - the E-grade die meets OEM environmental requirements while the 60 MIPS core handles FOC loops even at high under-hood ambient temperatures. The 64-TQFP (10x10 mm) footprint offers generous pin count for multiple PWM channels, encoder inputs, and analog sensing in a cost-effective leaded package. When designing automotive variants, select the E suffix explicitly; the industrial I-grade part must not be substituted in qualified vehicle programs.
Recommended
Industrial Drives and Automation
Industrial servo drives, conveyor motors, and pump inverters rely on the dsPIC33EP MC family's blend of DSP math and MCU peripherals. The device's single-cycle multiply-accumulate accelerates PID and observer-based sensorless algorithms, while five timers and multiple UART/SPI/I2C ports coordinate with PLC-level networks and HMI panels. Extended temperature qualification tolerates hot control cabinets, and the 128KB flash accommodates bootloader plus Modbus/ EtherCAT-adjacent stacks. Multiple PGECx/PGEDx pairs simplify production programming fixtures - any matched pair works for ICSP, per Microchip's programming guidelines. Engineers porting from smaller dsPIC33EP parts retain pin discipline while gaining the MC family's motor-control peripheral complement for incremental performance upgrades.
Recommended
Power Inverters and UPS
Single- and three-phase DC-AC inverters, solar micro-inverters, and uninterruptible power supplies exploit the dsPIC33EP's SPWM generation capability: high-resolution PWM produces low-distortion sine modulation while the 60 MIPS DSP engine runs grid-synchronization PLLs and reactive-power control in real time. Hardware comparators provide cycle-by-cycle overcurrent protection critical for IGBT and SiC stage reliability, and the extended -40C to +125C E-grade rating suits outdoor inverter enclosures. The 16KB RAM supports concurrent waveform logging and communication buffering via the 4-channel DMA. This AEC-Q100 part bridges industrial and automotive inverter programs, allowing one firmware base and one PCB design across product tiers.
Recommended
Embedded Sensing and Control Nodes
Beyond motion and power, the on-chip op amps and advanced analog make this DSC a strong fit for smart sensing nodes: condition monitoring, weigh scales, and process instrumentation that need DSP filtering (FIR/IIR) on raw sensor streams before transmission. The 60 MIPS core runs FFT-based vibration analysis locally, the 4 DMA channels stream ADC data continuously, and standard UART/SPI/I2C links feed results to gateways. The 128KB flash retains calibration tables and logging. Its extended temperature and AEC-Q100 pedigree allow deployment in unconditioned environments, from cold-chain logistics to outdoor industrial assets, where commercial-grade MCUs would exceed their -40C to +85C comfort zone.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC206-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC206-I/PT | DSPIC33EP256MC506-E/PT | DSPIC33EP256GP506-E/PT | DSPIC33EP128GM306-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 |
| CPU Speed | 60 MIPs | 60 MIPs | 60 MIPs | 60 MIPs | 60 MIPs |
| Flash Memory | 128KB (43K x 24) | 128KB (43K x 24) | 256KB (86K x 24) | 256KB (86K x 24) | 128KB |
| Temperature Grade | -40C to +125C (E, extended) | -40C to +85C (I, industrial) | -40C to +125C (E, extended) | -40C to +125C (E, extended) | -40C to +125C (E, extended) |
| AEC-Q100 Automotive Qualification | Yes | No (industrial grade) | Yes | Yes | Yes |
| Family / Peripheral Focus | MC (motor control: high-speed PWM, op amps) | MC - identical peripherals | MC - motor control peripherals | GP - general purpose peripherals | GM - general purpose with dual partition |
Key Differentiators
- Extended automotive temperature grade on a budget-priced 128KB DSC (vs DSPIC33EP128MC206-I/PT)
- Motor-control peripheral set (high-speed PWM + op amps) in the same pinout as GP variants (vs DSPIC33EP256GP506-E/PT)
- Lower cost point than higher-memory siblings (vs DSPIC33EP256MC506-E/PT)
Design Notes
Connect every VDD and VSS pair on the 64-TQFP and decouple each with a 0.1uF ceramic placed within 2 mm of the pin. Microchip's programming documentation explicitly requires all VSS/VDD pins connected - floating a power pair is a common cause of erratic ICSP behavior and brownout resets in the dsPIC33EP family.
The device has multiple PGECx/PGEDx pairs for ICSP. You must use a matched pair: if PGEC2 is wired to ICSPCLK, PGED2 must go to ICSPDAT. Mixing pairs from different channel numbers prevents programming. Route one pair to a standard header (MCLR, VDD, VSS, ICSPCLK, ICSPDAT) for production programming with PICkit/ICSP/REAL ICE tools.
The dsPIC33EP core is supplied internally from 3.3V VDD; check the family datasheet electrical characteristics section for allowable VDD range and maximum current draw at 60 MIPS before sizing the 3.3V regulator. For motor-control boards sharing a supply with power stages, isolate analog sensing grounds and route PWM outputs away from current-loop traces to protect ADC accuracy.
When using the high-speed PWM module for motor drive or digital power, keep gate-driver routing short and twisted/ground-guarded to limit dv/dt coupling into the on-chip op-amp inputs used for current sensing. Use the on-chip hardware comparators for cycle-by-cycle overcurrent trip rather than software checks so fault response does not depend on ISR latency at 60 MIPS.
Compliance Information
Automotive AEC-Q100 qualified per datasheets.com and globalspec listings. RoHS/lead-free status per distributor records for the /PT (lead-free, RoHS) suffix.
