DSPIC33EP128MC204T-E/PT - 16-bit 60MIPS DSC 128KB Flash | Microchip
MPN: DSPIC33EP128MC204T-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.6 | $5.60 |
| 10 | $5.15 | $51.50 |
| 100 | $4.7 | $470.00 |
| 500 | $4.35 | $2,175.00 |
| 1,000 | $4.05 | $4,050.00 |
DSPIC33EP128MC204T-E/PT Overview
A digital signal controller combines the computational architecture of a microcontroller with DSP-grade math capability in a single chip. Within the power-management hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs, executing control loops and signal-processing algorithms (filters, transforms) on one device. The dsPIC33E family is Microchip's high-performance 16-bit DSC line, designed specifically for precision motor control, digital power conversion, and embedded sensing systems that require deterministic real-time behavior.
Key features include the enhanced dsPIC33E core with DSP engine and single-cycle MAC, integrated motor-control PWM peripherals, multiple UART/SPI/I2C communication modules, DMA channels, and a rich analog front end with a high-speed 10/12-bit ADC suited to current-loop sampling in motor drives. Flash program memory of 128KB supports complex FOC (field-oriented control) firmware with headroom for bootloader and diagnostics.
Architecturally, the dsPIC33EP core pairs a 16-bit MCU pipeline with zero-overhead loop and hardware divide support, while peripheral Pin Mapping (PPS) allows flexible routing of digital peripherals to I/O pins, easing PCB layout trade-offs in dense 44-pin designs.
Typical applications include brushless DC (BLDC) and PMSM motor control, digital SMPS and power-factor-correction converters, automotive body and powertrain ancillary control, and industrial sensing nodes where the -40C to +125C operating range is mandatory.
Design consideration: at 60 MIPS the core draws its maximum current, so budget the 3.3V rail accordingly and follow Microchip's decoupling guidance for the VDD/VSS pairs in the TQFP footprint.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP128MC204T-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 DSPIC33EP128MC204T-E/PT (same form factor and footprint) — differing in Operating Temperature, Packaging, Core Architecture, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MC204T-I/PT
✅ Drop-In✓ In Stock
$4.4 / Unit
View Datasheet →DSPIC33EP256MC204T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GM304T-I/PT
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP64MC204T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128MC204T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC204T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.62 / Unit
View Datasheet →DSPIC33EP128MC204T-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33EP DSC |
| Max CPU Speed | 60 MIPS (70 MHz) |
| Program Memory | 128KB (43K x 24) Flash |
| RAM | 16KB |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Series | dsPIC 33EP (dsPIC33EP128MC204) |
| Qualification | Automotive, AEC-Q100, TS 16949 |
| DMA Channels | 4 |
| Timers | 5 |
| Packaging | Tape and Reel (T) |
| Technology | CMOS |
| Peripheral Pin Select (PPS) | Yes |
| RoHS Status | Compliant |
DSPIC33EP128MC204T-E/PT Pin Configuration
| Pin 1 | MCLR — Master clear reset input (active low) |
| 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 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index input |
| Pin 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A |
| Pin 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEI phase B |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/CN30/RA2 — Oscillator crystal input / external clock input |
| Pin 10 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output |
| Pin 11 | VDD — Power supply (3.3 V) |
| Pin 12 | RP15/RF8/SDO2 — Remappable digital I/O / SPI2 data out |
| Pin 13 | RP14/RF7/SOSCI/CN14 — Remappable I/O / secondary oscillator input |
| Pin 14 | RP13/RF6/SOSCO/T1CK/CN15 — Remappable I/O / secondary oscillator output / Timer1 clock |
| Pin 15 | RP12/RF5/AN6/OC1 — Remappable I/O / analog input 6 / PWM output compare 1 |
| Pin 16 | RP11/RF4/AN7/OC2 — Remappable I/O / analog input 7 / PWM output compare 2 |
| Pin 17 | RP10/RF3/AN8 — Remappable I/O / analog input 8 |
| Pin 18 | RP9/RF2/AN9 — Remappable I/O / analog input 9 |
| Pin 19 | VDD — Power supply (3.3 V) |
| Pin 20 | VSS — Ground reference |
| Pin 21 | RP8/RF1/AN10 — Remappable I/O / analog input 10 |
| Pin 22 | RP7/RF0/AN11 — Remappable I/O / analog input 11 |
| Pin 23 | RP6/RB12/AN12 — Remappable I/O / analog input 12 |
| Pin 24 | RP5/RB13/AN13 — Remappable I/O / analog input 13 |
| Pin 25 | RP4/RB14/AN14 — Remappable I/O / analog input 14 |
| Pin 26 | RP3/RB15/AN15 — Remappable I/O / analog input 15 |
| Pin 27 | RP2/RB10/AVSS — Remappable I/O / analog ground reference |
| Pin 28 | RP1/RB9/AVDD — Remappable I/O / analog power reference |
| Pin 29 | RP0/RB8/T2CK — Remappable I/O / Timer2 external clock |
| Pin 30 | RC13/T1CK/SCL1/RG2 — I2C1 clock / Timer1 clock / remappable I/O |
| Pin 31 | RC14/SDA1/RG3 — I2C1 data / remappable I/O |
| Pin 32 | RD8/RP20/T5CK — Remappable I/O / Timer5 external clock |
| Pin 33 | RD9/RP21/IC4 — Remappable I/O / input capture 4 |
| Pin 34 | RD10/RP22/IC5 — Remappable I/O / input capture 5 |
| Pin 35 | RD11/RP23/U1CTS — Remappable I/O / UART1 clear-to-send |
| Pin 36 | PGEC3/RD12/RP24 — Programming clock channel 3 / remappable I/O |
| Pin 37 | PGED3/RD13/RP25 — Programming data channel 3 / remappable I/O |
| Pin 38 | PGEC2/RD14/RP26 — Programming clock channel 2 / remappable I/O |
| Pin 39 | PGED2/RD15/RP27 — Programming data channel 2 / remappable I/O |
| Pin 40 | PGEC1/RE8/RP28 — Programming clock channel 1 / remappable I/O |
| Pin 41 | PGED1/RE9/RP29 — Programming data channel 1 / remappable I/O |
| Pin 42 | RG0/U1TX/SDO1 — UART1 transmit / SPI1 data out (remappable) |
| Pin 43 | RG1/U1RX/SDI1 — UART1 receive / SPI1 data in (remappable) |
| Pin 44 | VSS — Ground reference |
Typical Applications
DSPIC33EP128MC204T-E/PT is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Automotive Body and Ancillary Control, Industrial Sensing and IoT Nodes, Audio and Signal Processing, Robotics and Embedded Motion Systems.
BLDC/PMSM Motor Control
The DSPIC33EP128MC204T-E/PT is purpose-built for precision motor control: its 60 MIPS dsPIC33EP core with single-cycle DSP MAC executes field-oriented control (FOC) loops for BLDC and PMSM motors at switching frequencies of 20 kHz and above with ample cycle margin. The MC-series motor-control PWM module generates complementary or independent PWM pairs with dead-time insertion, while the high-speed ADC samples phase currents synchronously to the PWM carrier via trigger alignment. With 128KB Flash, the device holds FOC firmware, position-observer code, and a bootloader simultaneously. The -40C to +125C range suits under-hood actuator drives and sealed industrial motors where ambient temperatures routinely exceed +85C. Using DMA offloads ADC result transfer so the CPU stays dedicated to the control loop, improving deterministic latency.
Recommended
Digital Power Conversion
In digital SMPS, LLC converters, and power-factor-correction stages, the DSPIC33EP128MC204T-E/PT closes high-bandwidth control loops using its 60 MIPS core, fast ADC, and PWM peripherals with precise duty resolution. The 4-channel DMA moves ADC results to memory without CPU intervention, keeping loop latency low and jitter minimal, which directly improves output ripple and transient response. The 128KB Flash accommodates compensation firmware plus PMBus-style communication and fault logging. The extended -40C to +125C rating allows the controller to sit on hot power boards near magnetics, where the ambient around the TQFP can reach +105C with margin. Hardware DSP multiply-accumulate support accelerates digital filtering of sensed current and voltage channels at no clock-cost penalty versus software-only MCUs.
Recommended
Automotive Body and Ancillary Control
The /E temperature grade with AEC-Q100 and TS 16949 qualification makes the DSPIC33EP128MC204T-E/PT appropriate for automotive body electronics: pump and fan control, window and seat actuators, lighting modules, and sensor acquisition nodes in zones rated -40C to +125C. The 16-bit DSC runs diagnostics, LIN/CAN gateway firmware, and motor start sequences concurrently at 60 MIPS, while 128KB Flash reserves room for ISO-style software structure with bootloader and calibration data. Peripheral Pin Select lets the PCB reuse the same code base across hardware variants by remapping UART and PWM pins in firmware rather than respinning the board. Tape-and-reel packaging supports high-volume automotive SMT assembly lines directly.
Recommended
Industrial Sensing and IoT Nodes
Industrial sensing nodes benefit from the DSC's blend of low-level control and DSP signal conditioning. The 60 MIPS core applies digital filters, RMS computation, and FFT windows to sensor streams from current transformers, vibration pickups, and pressure transducers, while standard serial peripherals (UART, SPI, I2C) report results to SCADA or cloud gateways. 16KB RAM buffers multi-channel acquisition windows, and the 4-channel DMA keeps sampling continuous during communication. The -40C to +125C operating range covers unconditioned cabinets, rooftop enclosures, and machinery interiors that exceed industrial-grade +85C parts. PPS pin mapping lets one PCB design serve multiple sensor variants by reallocating peripheral pins in firmware, trimming SKU count and inventory.
Recommended
Audio and Signal Processing
The single-cycle DSP multiply-accumulate unit and hardware addressing modes of the dsPIC33EP core make the DSPIC33EP128MC204T-E/PT effective for embedded audio processing: active crossover filters, echo cancellation, tone control, and sensor-signal spectral analysis at moderate sample rates. At 60 MIPS the core sustains tens of biquad filter stages at 48 kHz sampling within budget. The ADC captures line-level inputs, and PWM or SPI-DAC outputs drive the reconstruction path. 128KB Flash stores filter coefficient tables and configuration presets alongside the processing kernel. In cost-sensitive appliances and communication headsets, this single 3.3V 44-TQFP device replaces separate MCU-plus-DSP chip pairs, reducing BOM count while the -40C to +125C grade covers outdoor and vehicle-audio enclosures.
Recommended
Robotics and Embedded Motion Systems
Robot joints, gantries, and AGV wheel drives need coordinated multi-axis control with fast current loops, which the DSPIC33EP128MC204T-E/PT delivers at 60 MIPS with synchronized PWM and ADC triggering across its motor-control peripheral set. Quadrature encoder interfaces and capture inputs close position and velocity loops, while the DSP engine runs feed-forward and observer math per axis. 128KB Flash supports trajectory planning profiles and safety-limit firmware in one image, and 16KB RAM holds multi-axis state variables. The AEC-Q100 qualified, -40C to +125C rating tolerates hot drive enclosures and outdoor mobile robots. Remappable pins via PPS let a common controller PCB serve axis variants with different driver interfaces without hardware changes.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC204T-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC204T-I/PT | DSPIC33EP256MC204T-I/PT | DSPIC33EP128GM304T-I/PT | DSPIC33EP64MC204T-I/PT | DSPIC33FJ128MC204T-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 60 MIPS (70 MHz) | 16-bit, 60 MIPS | 16-bit, 60 MIPS | 16-bit, 60 MIPS class (GM series) | 16-bit, 60 MIPS | 16-bit, 40 MIPS |
| Flash Program Memory | 128KB (43K x 24) | 128KB | 256KB | 128KB | 64KB | 128KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| AEC-Q100 Automotive Qualification | Qualified (E grade, TS 16949) | No (industrial grade) | No (industrial grade) | No (industrial grade) | No (industrial grade) | No (industrial grade) |
| Series / Peripheral Set | dsPIC33EP MC (motor control) | dsPIC33EP MC - identical | dsPIC33EP MC - identical | dsPIC33EP GM - newer peripherals | dsPIC33EP MC - identical | dsPIC33FJ MC - legacy peripherals |
| Pin-to-Pin Compatibility | Reference | 100% pin-to-pin | 100% pin-to-pin | Pin-compatible family footprint | 100% pin-to-pin | Same TQFP-44 land pattern |
Key Differentiators
- Extended -40C to +125C automotive temperature range (vs DSPIC33EP128MC204T-I/PT)
- Full 128KB Flash at lowest family cost point (vs DSPIC33EP256MC204T-I/PT)
- Newer-generation core versus legacy FJ family (vs DSPIC33FJ128MC204T-I/PT)
Design Notes
The dsPIC33EP core at 60 MIPS draws peak current on the 3.3V rail; size the local regulator for the worst-case active operating current plus peripheral loads (per the manufacturer datasheet electrical tables). Decouple every VDD/VSS pair on the 44-TQFP with a 100nF X7R capacitor placed within 2 mm of the pins, plus one 4.7uF-10uF bulk capacitor near the package. Keep AVDD supplied through an RC filter or ferrite bead from the digital rail to preserve ADC accuracy on the analog inputs used for current sensing.
Place the crystal (if using the primary oscillator) within 5 mm of OSC1/OSC2 with short ground returns to reduce jitter on the PLL-fed 70 MHz clock. Route motor-control PWM outputs away from the ADC input traces (AN0-AN15) to prevent switching transients from coupling into current-sense channels; use ground guarding between the ADC traces and PWM nets. On 4-layer boards, reserve layer 2 as an unbroken ground plane under the TQFP footprint - this improves both signal integrity and EMC in automotive modules.
The /E grade is required whenever ambient can exceed +85C - do not substitute the /I industrial part in -40C to +125C designs even though it is pin-identical. Also note: dsPIC33E I/O is 3.3V only and not 5V tolerant; level-shift 5V sensors or CAN/LIN transceiver logic lines. Finally, when migrating code to the GM-series pin-compatible parts, recompile and re-verify peripheral register maps - the GM series is not firmware-binary compatible with the EP series despite the same footprint.
Estimated: the 44-TQFP (10x10 mm) theta_JA is typically on the order of 40-50 C/W on a standard JEDEC 4-layer test board (verify against the manufacturer datasheet thermal table). At an estimated worst-case active current in the tens of milliamps range on 3.3V, internal power dissipation stays well below 0.5W, yielding a junction rise under ~25C - adequate at +125C ambient only if the junction limit and datasheet derating are confirmed. In sealed automotive enclosures, estimate ambient from worst-case solar/heating load before finalizing the temperature-grade choice.
Compliance Information
Automotive AEC-Q100 and TS 16949 qualification per Hotenda and Microchip USA data. RoHS compliance indicated by distributor listings; REACH, halogen-free, and conflict-minerals status not stated in provided data.
