DSPIC33EP128MC206-E/MR - 16-bit 70 MIPS DSC 128KB | Microchip
MPN: DSPIC33EP128MC206-E/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.11 | $4.11 |
| 10 | $3.9 | $39.00 |
| 100 | $3.61 | $361.00 |
| 500 | $3.42 | $1,710.00 |
| 1,000 | $3.28 | $3,280.00 |
DSPIC33EP128MC206-E/MR Overview
A digital signal controller combines the compute architecture of a microcontroller with the math capability of a DSP. In the semiconductor hierarchy, a DSC sits above a general-purpose MCU and complements DSPs: it executes single-cycle MAC and DSP instructions while retaining MCU-style peripherals, interrupt latency, and flash self-programming. Microchip's dsPIC33E family targets real-time control loops where both fast arithmetic and rich peripherals are mandatory.
Key features include the 16-bit dsPIC33E CPU core running at up to 70 MIPS, on-chip MCPWM (motor control PWM) modules, integrated operational amplifiers and analog comparators, and 128 KB of self-programmable Flash. The extended-temperature -E variant operates from -40C to +125C ambient, and the exposed-pad VQFN improves thermal dissipation for motor-drive environments.
Technically, the MC-series dsPIC33E peripherals are tailored to field-oriented control (FOC) of PMSM and BLDC motors: complementary PWM outputs with dead-time insertion, high-speed 12-bit ADC sampling synchronized to PWM, and on-board op amps that condition current-shunt signals without external amplifiers. The DSP engine provides 40-bit accumulators, single-cycle MAC, and hardware divide support for control mathematics.
Typical applications include precision motor control (BLDC, PMSM, stepper), automotive auxiliary drives, digital power supplies such as PFC and LLC converters, and industrial automation nodes requiring deterministic real-time response.
For design, supply the core at 3.3V, connect all VDD/VSS pairs and the exposed pad to ground for thermal and EMI performance, and use any PGECx/PGEDx pair (matched, not mixed) for ICSP programming and debugging.
This page synthesizes verified distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EP128MC206-E/MR — 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/MR (same form factor and footprint) — differing in Package, Core, Operating Temperature, Qualification, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MC206-I/MR
✅ Drop-In✓ In Stock
$0.13 / Unit
View Datasheet →DSPIC33EP256MC206-E/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$23.15 / Unit
View Datasheet →DSPIC33EP64MC206-E/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.2 / Unit
View Datasheet →DSPIC33EP256MC206-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC206-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC204T-E/ML
✅ Drop-In✓ In Stock
$3.8 / Unit
View Datasheet →DSPIC33EP128MC206-E/MR Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E, 16-bit DSC |
| Maximum CPU Speed | 70 MIPS |
| Clock Frequency | 60 MHz |
| Flash Program Memory | 128 KB (43K x 24) |
| RAM | 16 KB |
| Supply Voltage | 3.3 V |
| Package | 64-VQFN (9x9 mm), exposed pad |
| Operating Temperature | -40C to +125C |
| Qualification | AEC-Q100 qualified |
| Peripherals | MCPWM, op amps, comparators |
| Series | dsPIC 33EP |
| Mounting Type | Surface Mount |
| Application Segment | Automotive, precision motor control |
DSPIC33EP128MC206-E/MR 64-vqfn (9x9 mm), exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP128MC206-E/MR (64-vqfn (9x9 mm), exposed pad 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/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC206-E/MR is suitable for 6 applications: BLDC Motor Control, PMSM Field-Oriented Control Drives, Digital Power Supplies (PFC/LLC), Automotive Auxiliary Actuators, Industrial Automation and Robotics, Embedded Sensor and Signal Processing Nodes.
BLDC Motor Control
The DSPIC33EP128MC206-E/MR fits brushless DC motor control because its MCPWM module generates complementary PWM outputs with hardware dead-time insertion, while the 70 MIPS DSP core with single-cycle MAC executes commutation and FOC algorithms in real time. On-chip op amps and comparators condition shunt-resistor current feedback without external amplifiers, reducing BOM cost. In a typical three-phase inverter, the ADC is synchronized to the PWM center to sample phase currents at ripple minima, improving measurement accuracy. The 128 KB Flash holds the control firmware plus startup and protection routines, and hardware fault inputs can gate PWM outputs within nanoseconds for overcurrent events.
Recommended
PMSM Field-Oriented Control Drives
For permanent-magnet synchronous motor drives, the DSPIC33EP128MC206-E/MR provides the deterministic compute pipeline FOC demands: Clarke/Park transforms, PI current loops, and SVPWM generation all execute in the 70 MIPS core with 40-bit accumulators preserving numeric headroom. The integrated MCPWM, high-speed ADC, and on-chip op amps form a complete current-loop front end, while encoder or resolver interface peripherals close the position loop. Per Microchip, the dsPIC33E family is explicitly targeted at high-performance precision motor-control systems. The -E/AEC-Q100 grade allows use in automotive traction-adjacent and under-hood auxiliary PMSM applications up to +125C ambient.
Recommended
Digital Power Supplies (PFC/LLC)
Digital power conversion benefits from the DSPIC33EP128MC206-E/MR's fast ADC triggering synchronized to the PWM modules, enabling average-current-mode PFC and phase-shifted LLC control entirely in firmware. The 16-bit DSP engine computes the control-loop compensation each switching cycle; at typical 100-300 kHz power-stage frequencies the 70 MIPS core sustains multiple control loops with margin. Comparators support hardware cycle-by-cycle overcurrent protection independent of software latency. The 64-pin VQFN 9x9 footprint gives enough I/O for telemetry, fan control, and PMBus-style communication, while the exposed pad conducts gate-driver and controller heat into the ground plane.
Recommended
Automotive Auxiliary Actuators
Because the DSPIC33EP128MC206-E/MR is AEC-Q100 qualified and rated -40C to +125C (per distributor listings describing the -E variant as Automotive grade), it suits automotive auxiliary drives: electronic water pumps, turbo actuators, throttle bodies, and HVAC blowers. The MCPWM and current-sensing op amps drive the motor stage, while communication peripherals link to the vehicle body network. The 128 KB Flash supports functional-safety monitoring code alongside the control algorithm, and the 64-VQFN package withstands the vibration and thermal cycling typical of under-hood electronics when properly soldered to a robust thermal pad.
Recommended
Industrial Automation and Robotics
In factory automation, the DSPIC33EP128MC206-E/MR serves as a real-time motion controller for stepper and servo axes, conveyor drives, and robotic joint motors. The 70 MIPS core runs trajectory generation and current loops concurrently, while its MCU-style interrupt structure handles communication, limit switches, and sequencing tasks without a second processor. The 16 KB RAM buffers motion profiles, and 128 KB Flash supports field firmware updates for changing production requirements. Industrial environments rarely exceed +85C, so the pin-compatible -I/MR grade can be substituted to reduce cost while retaining the identical PCB footprint and firmware compatibility.
Recommended
Embedded Sensor and Signal Processing Nodes
The DSP engine of the DSPIC33EP128MC206-E/MR makes it effective as a smart sensor node performing on-chip filtering, FFT analysis, or predictive maintenance analytics close to the transducer. Integrated op amps and comparators directly condition analog sensor outputs, and the high-speed 16-bit ADC pipeline digitizes waveforms for DSP processing. The 16 KB RAM holds sample buffers; 128 KB Flash stores both processing firmware and calibration tables. Nodes deployed on machinery or vehicles benefit from the -E temperature rating of -40C to +125C and AEC-Q100 qualification, ensuring reliable operation where consumer-grade microcontrollers would drift out of specification.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC206-E/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC206-I/MR | DSPIC33EP256MC206-E/MR | DSPIC33EP64MC206-E/MR |
|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm), exposed pad | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | dsPIC33E 16-bit, 70 MIPS | dsPIC33E 16-bit, 70 MIPS | dsPIC33E 16-bit, 70 MIPS | dsPIC33E 16-bit, 70 MIPS |
| Flash Memory | 128 KB (43K x 24) | 128 KB (43K x 24) | 256 KB | 64 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Motor-Control Peripherals | MCPWM, op amps, comparators | MCPWM, op amps, comparators | MCPWM, op amps, comparators | MCPWM, op amps, comparators |
Key Differentiators
- Extended temperature and AEC-Q100 automotive qualification (vs DSPIC33EP128MC206-I/MR)
- Balanced 128 KB Flash optimizes cost for typical FOC firmware (vs DSPIC33EP256MC206-E/MR)
- Full code headroom for growth versus the reduced-memory sibling (vs DSPIC33EP64MC206-E/MR)
Design Notes
Solder the exposed pad of the 64-VQFN (9x9) to a grounded copper pour with an array of 4x4 (or denser) thermal vias down to internal ground planes. The pad is both the primary thermal path and the main low-inductance ground return for the switching-sensitive MCPWM and ADC domains. Follow the Microchip VQFN land-pattern recommendation for stencil apertures (typically ~50-70% pad coverage) to avoid voiding under the pad, which degrades thermal and ground performance.
Connect all VDD and VSS pins as specified in the datasheet - do not leave supply pins unconnected even if a design appears functional in bench testing, since internal current paths assume all bonds. For ICSP programming, use one matched PGECx/PGEDx pair (for example PGEC2 + PGED2 for ICSPCLK and ICSPDAT); never mix pins from different pairs, per Microchip ICSP connection guidance. Keep crystal/oscillator traces short and guard them from PWM outputs.
Run the dsPIC33E core from a clean 3.3 V rail. Estimated: each VDD/VSS pair should have a 100 nF ceramic decoupling capacitor placed within 2 mm of the pins, plus one bulk 4.7-10 uF capacitor near the device. Separating AVDD with an RC or ferrite filter from digital VDD measurably improves ADC accuracy in motor-control designs where PWM switching injects noise into the analog domain.
Do not exceed +125C ambient on the -E grade; derate for self-heating from gate-driver load current on PWM-adjacent I/O. Verify the silicon revision against the latest Microchip errata before freezing hardware, and confirm the -E/AEC-Q100 ordering code on purchase documents: the -I/MR grade shares the same footprint but lacks the extended-temperature rating required for automotive deployments.
Compliance Information
AEC-Q100 automotive qualification confirmed via Hotenda product listing ('Automotive, AEC-Q100, dsPIC 33EP Series'). RoHS/REACH/lead-free status for this exact ordering code not explicitly stated in verified data - confirm on Microchip product page.
