DSPIC33EP128MC202T-E/SO - 16-bit 60 MIPs DSC, 128KB Flash | Microchip
MPN: DSPIC33EP128MC202T-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.16 | $41.60 |
| 100 | $3.71 | $371.00 |
| 500 | $3.34 | $1,670.00 |
| 1,000 | $2.97 | $2,970.00 |
DSPIC33EP128MC202T-E/SO Overview
A digital signal controller combines the peripheral set and ease of use of a microcontroller with the mathematical throughput of a DSP core. Within the power-management hierarchy, DSCs occupy the space between general-purpose MCUs and dedicated DSPs, making them the preferred choice for closed-loop control loops such as field-oriented motor control, digital power conversion, and embedded sensing where fast multiply-accumulate operations and deterministic interrupt latency are required.
Key features include the AEC-Q100 qualification that makes this E-grade part suitable for automotive environments, a 3.3 V supply rail, and integrated DSP engine instructions that accelerate control algorithms. The wide temperature rating (E suffix, -40C to +125C) distinguishes it from the standard I-grade (-40C to +85C) variant in the same package.
Architecturally, the dsPIC33EP core pairs a pipelined 16-bit CPU with hardware DSP MAC instructions, and the MC (motor control) variant adds peripheral sets oriented toward PWM generation and analog feedback acquisition, enabling single-chip control of brushless DC (BLDC), permanent-magnet synchronous (PMSM), and AC induction motors.
Typical applications include precision BLDC and PMSM motor drives, automotive auxiliary motor and actuator control, solar micro-inverters and digital power supplies, and industrial automation nodes requiring both signal processing and real-time control.
Design consideration: at 60 MIPs the core requires a 3.3 V rail within tolerance; verify decoupling on all VDD/VSS pin pairs and confirm the exact RAM size against the current revision of the manufacturer datasheet before finalizing linker scripts.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP128MC202T-E/SO — 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 DSPIC33EP128MC202T-E/SO (same form factor and footprint) — differing in Package, Operating Temperature, Product Family, Core Architecture, Qualification.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MC202T-I/SO
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP128GP502-H/SO
✅ Drop-In✓ In Stock
$3.36 / Unit
View Datasheet →DSPIC33EP256MC202T-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.42 / Unit
View Datasheet →DSPIC33EP64MC202T-I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.34 / Unit
View Datasheet →DSPIC33EP32MC202T-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GP202T-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC202T-E/SO Maximum Ratings & Electrical Characteristics
| Core | dsPIC 33EP 16-bit DSC |
| Performance | 60 MIPs |
| Core Frequency | 70 MHz |
| Flash Program Memory | 128 KB (43K x 24) |
| RAM | 16 KB |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 28-SOIC (0.295 in, 7.50 mm width) |
| Pin Count | 28 |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100 qualified, Automotive |
| Product Family | dsPIC33EP 33EP Motor Control (MC) series |
| In-Circuit Programming | In-Circuit and In-Application Programming supported |
| Debug Support | Two program and two complex data breakpoints; IEEE 1149.2 compatible (JTAG) boundary scan |
| Packaging | Tape & Reel (T suffix) |
DSPIC33EP128MC202T-E/SO 28-soic (0.295 in, 7.50 mm width) Pin Configuration Guide
Pin configuration for DSPIC33EP128MC202T-E/SO (28-soic (0.295 in, 7.50 mm width) 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 DSPIC33EP128MC202T-E/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC202T-E/SO is suitable for 6 applications: BLDC and PMSM Precision Motor Control, Automotive Motor and Actuator Control, Digital Power Conversion and Solar Micro-Inverters, Industrial Automation and Sensor Nodes, Appliance and HVAC Fan Control, Embedded Signal Processing and Data Acquisition.
BLDC and PMSM Precision Motor Control
The DSPIC33EP128MC202T-E/SO is purpose-built for closed-loop control of brushless DC and permanent-magnet synchronous motors: its 60 MIPs dsPIC33EP core with DSP multiply-accumulate instructions executes field-oriented control (FOC) algorithms with deterministic latency, while the MC-variant peripherals handle PWM generation and analog feedback in one chip. In a typical FOC drive, the DSC reads phase currents, computes the Park/Clarke transforms in firmware, and updates the PWM duty cycles each control cycle, enabling quieter, more energy-efficient operation than trapezoidal schemes. Microchip positions this exact family for BLDC, PMSM, and AC induction control, so reference code and application notes are readily available.
Recommended
Automotive Motor and Actuator Control
With AEC-Q100 qualification and a -40C to +125C operating range, the E-grade DSPIC33EP128MC202T-E/SO targets automotive auxiliary drives such as HVAC blowers, pumps, cooling fans, throttle and flap actuators. The 3.3 V rail integrates cleanly into automotive ECU power trees through a local regulator, and the 28-SOIC package survives the vibration and thermal-cycling profiles typical of under-hood and in-cabin modules. According to Microchip USA and Hotenda listings, this exact MPN is classified for automotive use, and using the qualified E-grade part avoids requalification when the design later enters vehicle production programs.
Recommended
Digital Power Conversion and Solar Micro-Inverters
Digital power supplies, PFC stages, and solar micro-inverter converters need a controller that can run current-mode control loops at switching frequency. The DSPIC33EP128MC202T-E/SO's 60 MIPs throughput and DSP engine execute PI and resonant compensator updates every PWM period, while its analog peripherals digitize voltage and current feedback on-chip, removing external ADCs from the power stage. The 128KB flash accommodates multiple control schemes plus communication and protection firmware in one image. Because the control loop runs in the same silicon as the supervisory logic, fault responses are faster and more deterministic than split MCU-plus-DSP designs.
Recommended
Industrial Automation and Sensor Nodes
In factory automation, the DSPIC33EP128MC202T-E/SO serves as a compact edge controller that conditions sensor signals with DSP filtering and drives actuators or communicates results over industrial links. Its 16-bit core at 60 MIPs handles FIR/IIR filtering, FFT-based vibration analysis, and protocol stacks simultaneously, while the 128KB flash leaves room for field firmware updates. The extended E temperature rating suits control cabinets and machinery mounted near heat sources. Jotrin lists the part as a 16-bit DSC in the motor-control/peripheral-controller class, and the shared dsPIC33EP toolchain lets teams reuse code across the factory's controller fleet.
Recommended
Appliance and HVAC Fan Control
Modern appliances and HVAC equipment replace shaded-pole motors with electronically commutated fans to meet energy regulations, and the DSPIC33EP128MC202T-E/SO provides the single-chip control they need: sensorless BLDC algorithms, speed-profile scheduling, and fault handling fit comfortably in 128KB flash at 60 MIPs. Microchip explicitly promotes the dsPIC33E family for quieter, more energy-efficient, longer-life motor systems - exactly the marketing requirements of appliance makers. The 28-SOIC surface-mount package keeps driver-board size small, and the 3.3 V logic pairs with standard isolated gate-driver front ends for inverter stages driving the fan windings.
Recommended
Embedded Signal Processing and Data Acquisition
Beyond motor control, the DSP engine of the DSPIC33EP128MC202T-E/SO makes it a practical embedded DSP for sensor conditioning: weighting-scale filtering, ultrasonic flow measurement, and audio-band analysis all map well to its hardware MAC instructions. The on-chip flash stores calibration tables and coefficient sets, and In-Application Programming lets the unit re-flash itself in the field per the datasheet's IAP support, enabling feature updates without a production recall. With 60 MIPs and deterministic interrupt behavior, sample-rate-critical routines meet timing without an external DSP, reducing the bill of materials for compact measurement instruments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC202T-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC202T-I/SO | DSPIC33EP128GP502-H/SO | DSPIC33EP256MC202T-I/SO | DSPIC33EP64MC202T-I/SO | DSPIC33EP32MC202T-I/SO | DSPIC33EP128GP202T-I/SO |
|---|---|---|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 60 MIPs | 16-bit, 60 MIPs | 16-bit, 60 MIPs | 16-bit, 60 MIPs | 16-bit, 60 MIPs | 16-bit, 60 MIPs | 16-bit, 60 MIPs |
| Flash Program Memory | 128 KB (43K x 24) | 128 KB | 128 KB | 256 KB | 64 KB | 32 KB | 128 KB |
| Peripheral Family | MC (motor control) | MC (motor control) | GP (general purpose) | MC (motor control) | MC (motor control) | MC (motor control) | GP (general purpose) |
Key Differentiators
- AEC-Q100 automotive qualification with -40C to +125C range (vs DSPIC33EP128MC202T-I/SO)
- Motor-control peripheral set (MC variant) (vs DSPIC33EP128GP502-H/SO)
- Balanced 128KB flash cost point (vs DSPIC33EP256MC202T-I/SO)
Design Notes
The DSPIC33EP128MC202T-E/SO runs from a single 3.3 V rail. Place a 0.1 uF ceramic capacitor at every VDD/VSS pin pair within 2 mm of the package, plus a bulk 4.7 uF to 10 uF capacitor near the device. Flash write operations cause transient current spikes on top of the 60 MIPs core load, so keep the regulator's transient response adequate and verify the rail stays within the datasheet VDD tolerance during erase/write cycles. Avoid routing noisy motor-phase currents under the DSC ground return.
On a 28-SOIC (7.50 mm) footprint, allocate a solid ground plane on layer 2 and connect VSS pins directly to it with short thermal-relief-free traces. Keep the crystal/oscillator traces short and guarded by ground if an external clock is used. For motor-control layouts, group the PWM output pins toward the gate-driver side of the board and the analog feedback traces toward the sensing side to minimize digital-to-analog crosstalk on the shared 28-pin package.
Do not confuse part suffixes: the T denotes Tape & Reel and E denotes the -40C to +125C automotive/AEC-Q100 grade - ordering DSPIC33EP128MC202T-I/SO by mistake delivers an industrial-temperature part in the same package. Also, the MC202 (motor control) and GP202/GP502 (general purpose) variants are pin-compatible but have different peripheral sets; firmware written against MC peripherals will not run unchanged on GP parts. Verify flash usage against the family memory map before selecting the 32KB/64KB cost-down alternatives.
Compliance Information
AEC-Q100 qualification and automotive classification confirmed by Microchip USA and Hotenda distributor listings. RoHS/REACH/lead-free status not stated in the provided data - confirm on the official Microchip product page.
