DSPIC33EP128MC204T-I/MV - 16-bit 70 MIPS DSC 128KB Flash | Microchip
MPN: DSPIC33EP128MC204T-I/MV β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.08 | $50.80 |
| 100 | $4.45 | $445.00 |
| 500 | $4.02 | $2,010.00 |
| 1,000 | $3.65 | $3,650.00 |
DSPIC33EP128MC204T-I/MV Overview
A digital signal controller combines the computational architecture of a microcontroller with the DSP engine of a digital signal processor. In the embedded systems hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP: it executes real-time control loops (PID, field-oriented control) while managing communication, state machines, and housekeeping tasks on a single chip. The dsPIC33EP family is Microchip's high-performance 16-bit DSC generation purpose-built for precision digital power and motor control.
Key features of this device include the Motor Control PWM (MCPWM) peripheral for multi-phase inverter drive, integrated operational amplifiers and comparators that reduce external analog component count, a Peripheral Trigger Generator (PTG) for hardware-sequenced autonomous operation, and a 4-channel DMA controller that offloads data movement from the CPU. Five 16-bit timers and four external interrupt sources support complex sequencing and measurement tasks.
Architecturally, the dsPIC33EP core pairs a 16-bit modified Harvard pipeline with a DSP engine providing single-cycle MAC, barrel shifter, and dual operand fetch, sustaining up to 70 MIPS from a 60 MHz clock. The Flash is ECC-enabled for functional safety-oriented designs.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (LLC, totem-pole PFC), solar inverters, and industrial automation sensors. The MCPWM plus on-chip op-amps make it especially efficient for sensorless FOC implementations.
Design consideration: the UQFN-48 exposed pad must be soldered to a grounded copper pour for both thermal dissipation and signal integrity; plan programming access via ICSP (PGD/PGC) pins early in layout.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the standard Microchip datasheet.
Drop-in alternatives for DSPIC33EP128MC204T-I/MV β 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 DSPIC33EP128MC204T-I/MV (same form factor and footprint) β differing in Operating Temperature, Package, Series.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DSPIC33EP128MC204T-E/MV
β Drop-Inπ Reference alternative (not in catalog)
DSPIC33EP128MC204T-H/MV
β Drop-Inπ Reference alternative (not in catalog)
DSPIC33EP256MC204T-I/MV
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC33EP64MC204T-I/MV
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC33EP32MC204T-I/MV
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC33EP128MC204T-E/ML
β Drop-Inβ In Stock
$3.8 / Unit
View Datasheet βDSPIC33EP128MC204T-I/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33EP DSC core |
| Maximum MIPS | 70 MIPS |
| Core Clock | 60 MHz |
| Flash Program Memory | 128 KB (43K x 24) |
| RAM | 16 KB |
| DMA Channels | 4 |
| Timers | 5 x 16-bit |
| External Interrupt Sources | 4 |
| Motor Control PWM (MCPWM) | Yes |
| Integrated Op-Amps | Yes |
| Integrated Comparators | Yes |
| Peripheral Trigger Generator (PTG) | Yes |
| Package | 48-UQFN (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Series | dsPIC33EP128MC204 |
| Packaging | Tape & Reel (T suffix) |
DSPIC33EP128MC204T-I/MV 48-uqfn (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP128MC204T-I/MV (48-uqfn (6x6 mm) with 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 DSPIC33EP128MC204T-I/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC204T-I/MV is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Supplies (LLC / Totem-Pole PFC), Solar Inverters & Microinverters, Industrial Automation & Sensing, Embedded Audio & Signal Processing, Battery-Powered Portable Instruments.
BLDC / PMSM Motor Control
The DSPIC33EP128MC204T-I/MV is purpose-built for precision motor control: its Motor Control PWM peripheral generates complementary, dead-time-controlled outputs for three-phase inverters, while the integrated op-amps and comparators condition shunt-resistor current feedback for sensorless field-oriented control (FOC). At 70 MIPS with single-cycle DSP MAC instructions, the core executes Clarke/Park transforms and PI current loops well within 20 kHz PWM periods. The 4-channel DMA streams ADC results without CPU intervention, reducing jitter in the control loop. Typical designs place the DSC between a gate-driver IC and a three-phase MOSFET bridge, achieving energy-efficient, low-acoustic-noise drives for appliances, power tools, and HVAC blowers.
Recommended
Digital Power Supplies (LLC / Totem-Pole PFC)
Digital power conversion demands fast, deterministic control loops, and the DSPIC33EP128MC204T-I/MV delivers with its high-resolution MCPWM, analog comparators supporting cycle-by-cycle current limiting, and DSP engine for compensator math. For LLC converters, the DSC adjusts switching frequency each cycle based on output voltage error; for totem-pole PFC, it synchronizes fast-leg and line-frequency switching with adaptive dead time. The 16KB RAM accommodates multiple PI/PID state variables and telemetry buffers, while the PTG automates ADC triggering to minimize software latency. Integrated op-amps amplify current-shunt signals directly, eliminating external amplifier ICs and reducing BOM count in compact AC-DC and DC-DC stages.
Recommended
Solar Inverters & Microinverters
Grid-tied solar microinverters require simultaneous MPPT tracking, DC-AC synthesis, and grid synchronization - workloads the DSPIC33EP128MC204T-I/MV handles with its 70 MIPS DSP core and rich analog peripherals. The MCPWM drives the power stage while ADC results are DMA-transferred into control-loop buffers with sub-microsecond latency. On-chip comparators provide hardware overcurrent protection independent of software, a safety requirement for grid-connected equipment. The 128KB Flash stores MPPT algorithms, grid-code compliance tables, and communication stacks (e.g., powerline or UART telemetry). The 48-UQFN 6x6 mm package with exposed pad fits the thermally constrained, high-density layouts typical of microinverter PCBs mounted behind panels.
Recommended
Industrial Automation & Sensing
In factory automation nodes, the DSPIC33EP128MC204T-I/MV combines real-time control with communication and diagnostics on one chip. Its DSP instructions accelerate FFT-based vibration analysis and digital filtering of sensor streams, while the Peripheral Trigger Generator sequences ADC sampling autonomously - useful for predictive-maintenance edge nodes. Four DMA channels move UART/SPI data without CPU load, supporting Modbus or CAN gateways built on UART peripherals with PPS routing. The -40C to +85C industrial temperature rating suits control cabinets and motor-junction environments. Integrated comparators implement watchdog-style analog supervision of supply rails, and the 128KB Flash retains parameter tables, calibration data, and firmware-update slots in a single, low-cost 48-UQFN package.
Recommended
Embedded Audio & Signal Processing
The DSP engine of the DSPIC33EP128MC204T-I/MV - single-cycle MAC, dual operand fetch, and barrel shifter - makes it a cost-effective host for embedded audio processing such as active noise cancellation, tone generation, and acoustic feedback suppression in appliances and industrial equipment. The 16KB RAM buffers audio frames, while the 4-channel DMA streams I2S/codec data through remappable SPI/UART pins without CPU intervention. The 128KB Flash holds filter coefficient tables and multiple presets. Although not targeted at hi-fi consumer audio, its 40+ DMIPS of effective DSP throughput handles control-rate audio algorithms reliably at 3.3V, with the industrial temperature range extending applicability to outdoor and automotive-adjacent products.
Recommended
Battery-Powered Portable Instruments
Handheld and portable test instruments benefit from the DSPIC33EP128MC204T-I/MV's balance of compute and efficiency: the 60 MHz core sleeps between measurements with low-power idle and doze modes, while the PTG can wake peripherals for periodic acquisition. The integrated op-amps buffer sensor signals (pressure, current, pH) directly, and the ADC plus DMA pipeline logs data into the 16KB RAM between host uploads. The 128KB Flash stores calibration constants, display graphics, and USB/UART communication firmware. Its 6x6 mm UQFN footprint and 3.0-3.6V operation fit compact battery-operated layouts, and the -40C to +85C rating supports field instruments used outdoors across seasons without derating.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC204T-I/MV β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC204T-E/MV | DSPIC33EP128MC204T-H/MV | DSPIC33EP256MC204T-I/MV | DSPIC33EP64MC204T-I/MV |
|---|---|---|---|---|---|
| Package | 48-UQFN (6x6) | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB (43K x 24) | 128 KB | 128 KB | 256 KB | 64 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Max Performance | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Operating Temperature | -40C to +85C (I) | -40C to +125C (E, AEC-Q100) | H grade | -40C to +85C (I) | -40C to +85C (I) |
| MCPWM / Op-Amps / Comparators | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
| DMA Channels | 4 | 4 | 4 | 4 | 4 |
Key Differentiators
- Extended-temperature AEC-Q100 sibling available on the same footprint (vs DSPIC33EP128MC204T-E/MV)
- Flash memory scalability without PCB redesign (vs DSPIC33EP256MC204T-I/MV)
- Cost-optimized family downgrade path (vs DSPIC33EP64MC204T-I/MV)
- Integrated analog (op-amps + comparators) reduces BOM (vs Generic 16-bit MCUs without on-chip amplifiers)
Design Notes
The 48-UQFN (MV) package has an exposed die pad that must be soldered to a grounded copper pour - it is the primary ground return and thermal path. Use a via array (typically 4-9 vias) under the pad to tie into internal ground planes. For QFN reflow, specify a stencil aperture design with ~50-70% pad coverage to prevent solder voiding and floating. Follow Microchip's QFN layout application notes for the 0.5 mm pitch land pattern and solder-mask expansion rules.
Decouple each VDD/VSS pair with a 0.1 uF ceramic capacitor placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the device. When running the internal PLL at 60 MHz/70 MIPS, core noise couples into the analog peripherals - route AVDD through an RC or ferrite filter if using the integrated op-amps and ADC for current sensing. Keep high dV/dt MCPWM output traces away from analog inputs to preserve ADC accuracy in motor-control and digital-power layouts.
Reserve ICSP programming pins (PGD/PGC) access on the PCB - retrofitting test points on a 6x6 mm UQFN board after layout is painful. Remember that many dsPIC33EP pins are remappable through Peripheral Pin Select: verify the PPS mapping table before finalizing schematic net assignments, since some pins (analog, oscillator, ICSP) are fixed. Also confirm code size headroom: 43K x 24 words fills quickly with a bootloader plus FOC library, so consider DSPIC33EP256MC204T-I/MV if dual-image OTA is planned.
Compliance Information
I-grade part (-40C to +85C); not AEC-Q100 qualified. The -E/MV variant per Microchip USA adheres to AEC-Q100 and TS 16949. RoHS/REACH status to be confirmed on the official Microchip product page.
