DSPIC33EP32MC202T-E/MM - 16-bit 60MIPS DSC 32KB QFN-28 | Microchip
MPN: DSPIC33EP32MC202T-E/MM ✓ 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 | $3.05 | $3,050.00 |
DSPIC33EP32MC202T-E/MM Overview
A digital signal controller combines the deterministic control flow of a microcontroller with the math throughput of a DSP. In the power-management hierarchy, the dsPIC33EP family sits between general-purpose MCUs and dedicated DSPs, offering a Harvard-architecture 16-bit core with DSP multiply-accumulate instructions, making it a strong fit for closed-loop control systems such as field-oriented motor control, digital power conversion, and sensor fusion.
Key features include the 16-bit dsPIC33E core executing at up to 60 MIPS from internal FLASH, an extended-temperature (-40C to +125C) rating suitable for automotive and harsh industrial environments, and AEC-Q100 qualification. The MC-class variants integrate high-speed PWM peripherals and advanced analog blocks that Microchip designed specifically for precision motor control applications. The device operates from a single 3.0V to 3.6V supply.
Technically, the core integrates DSP engine features (single-cycle MAC, dual operand fetch) with the dsPIC instruction set, and the E-generation adds a more capable interrupt architecture and enhanced peripherals versus the older dsPIC33F series. The QFN-28 package with exposed pad provides good thermal performance for a small 6x6 mm footprint.
Typical applications include BLDC/PMSM motor drives, digital power supplies (LLC, totem-pole PFC), automotive auxiliary actuators, and industrial sensor interfaces where deterministic 60 MIPS compute is required.
Design consideration: decouple VDD with a low-ESR ceramic capacitor close to the pins and always fit the VCAP/VDDCORE capacitor specified in the family datasheet - omitting it prevents core regulation and the device will not start.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32MC202T-E/MM — 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 DSPIC33EP32MC202T-E/MM (same form factor and footprint) — differing in Operating Temperature, Package, Core, Qualification, Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC202T-E/MMVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP32MC202T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC202T-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.64 / Unit
View Datasheet →DSPIC33EP32GP502T-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EP16MC202T-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC202T-E/MM Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC DSC (Harvard) |
| Maximum CPU Speed | 60 MIPS |
| Program Memory (FLASH) | 32 KB (10.7K x 24) |
| RAM | 4 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +125C |
| Package | 28-QFN-S (6x6 mm), Exposed Pad |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100 qualified |
| Program Memory Type | FLASH |
| Data Bus Width | 16 bit |
| Clock Frequency | 60 MHz |
| Packaging | Tape & Reel (T) |
| RoHS Status | Compliant |
| Family Series | dsPIC 33EP (dsPIC33EP32MC202) |
DSPIC33EP32MC202T-E/MM Pin Configuration
| Pin 1 | MCLR — Master clear reset input (active low) |
| Pin 2 | AN0/CN2/RB0 — Analog input 0 / change notification / port B bit 0 |
| Pin 3 | AN1/CN3/RB1 — Analog input 1 / change notification / port B bit 1 |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / port B bit 2 |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / encoder index / port B bit 3 |
| Pin 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / encoder phase A / input capture 7 |
| Pin 7 | VDD — Positive supply |
| Pin 8 | VSS — Ground |
| Pin 9 | OSC1/CLKI/CN7/RA2 — Crystal oscillator input / external clock input |
| Pin 10 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output |
| Pin 11 | SOSCI/CN1/RA4 — Secondary oscillator input / change notification / port A bit 4 |
| Pin 12 | SOSCO/T1CK/CN0/RA3 — Secondary oscillator output / Timer1 clock input |
| Pin 13 | VDD — Positive supply |
| Pin 14 | VSS — Ground |
| Pin 15 | VCAP/VDDCORE — Core voltage regulator capacitor connection (external capacitor required) |
| Pin 16 | AN5/QEB/IC8/RB5 — Analog input 5 / encoder phase B / input capture 8 |
| Pin 17 | AN6/OCFA/RB6 — Analog input 6 / output compare fault A / port B bit 6 |
| Pin 18 | AN7/RB7 — Analog input 7 / port B bit 7 |
| Pin 19 | AN8/RB8 — Analog input 8 / port B bit 8 |
| Pin 20 | AN9/RB9 — Analog input 9 / port B bit 9 |
| Pin 21 | AN10/CVREF/RTCC/RB10 — Analog input 10 / comparator reference / RTCC / port B bit 10 |
| Pin 22 | AN11/RB11 — Analog input 11 / port B bit 11 |
| Pin 23 | AN12/RB12 — Analog input 12 / port B bit 12 |
| Pin 24 | AN13/RB13 — Analog input 13 / port B bit 13 |
| Pin 25 | AN14/CN11/RB14 — Analog input 14 / change notification / port B bit 14 |
| Pin 26 | AN15/RB15 — Analog input 15 / port B bit 15 |
| Pin 27 | AVDD — Analog positive supply |
| Pin 28 | AVSS — Analog ground |
Typical Applications
DSPIC33EP32MC202T-E/MM is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Actuators, Industrial Sensor Interfaces, Embedded Digital Audio and Signal Processing, Robotics and Automation Subsystems.
BLDC/PMSM Motor Control
The DSPIC33EP32MC202T-E/MM is purpose-built for precision motor control: its 60 MIPS dsPIC33E core executes field-oriented control (FOC) current loops at PWM frequencies of 20 kHz or more with deterministic latency, while the MC-class high-speed PWM peripheral generates complementary outputs with dead-time control. The 32KB FLASH accommodates a complete FOC stack including current-sampling routines, speed loops, and protection logic within the 4KB RAM budget. Used as the sole controller between current-sense amplifiers and the gate-driver stage, it removes switching-noise concerns inherent to mixed MCU/DSP two-chip solutions; the trade-off is that LDO-style headroom does not apply - ensure the 3.3V rail is generated by a clean buck regulator to keep ADC reference noise low.
Recommended
Digital Power Conversion
In digitally controlled power supplies such as LLC converters, buck stages, or power-factor-correction front ends, the 60 MIPS throughput of this DSC supports per-cycle current-mode control with single-cycle DSP multiply-accumulate operations for the compensator math. The MC-class PWM peripheral supports complementary, phase-shifted, and center-aligned modes required by half-bridge and full-bridge topologies, with fast analog comparators available for cycle-by-cycle current limiting. With 32KB of FLASH, the control firmware, soft-start state machines, and PMBus/UART telemetry coexist comfortably. Unlike analog-only controllers, firmware-based control enables adaptive compensation and in-field updates, at the cost of requiring careful ADC sampling-point synchronization with the PWM carrier.
Recommended
Automotive Auxiliary Actuators
With AEC-Q100 qualification and a -40C to +125C operating range, the DSPIC33EP32MC202T-E/MM targets automotive environments such as HVAC damper actuators, headlamp leveling motors, pump control, and throttle-position drivers. The extended temperature rating means junction conditions in under-hood or dashboard-enclosed locations remain within datasheet limits, and the 28-QFN-S 6x6 mm exposed-pad package provides the thermal path needed for continuous operation at elevated ambient. The 3.0V-3.6V supply range tolerates regulated automotive 3.3V rails with load-dump-constrained front-end regulation. When replacing this part in automotive builds, the DSPIC33EP32MC202T-E/MMVAO channel variant shares the identical die and qualification flow.
Recommended
Industrial Sensor Interfaces
For industrial nodes that digitize and process sensor signals - load cells, pressure sensors, encoders - the 16-bit core with DSP MAC instructions performs filtering (IIR/FIR), zero/gain calibration, and linearization at 60 MIPS, well above the compute demand of typical 1-10 kHz sensor sampling. The MC-class analog blocks and general-purpose I/O support signal conditioning front ends, while UART/SPI/I2C links publish processed values to PLC or SCADA systems. The 32KB FLASH leaves headroom for protocol stacks plus calibration tables stored in nonvolatile memory. Its AEC-Q100 pedigree and -40C to +125C rating provide margin in unconditioned factory-floor cabinets, and the 6x6 mm QFN keeps dense multi-channel I/O boards compact.
Recommended
Embedded Digital Audio and Signal Processing
The dsPIC33E core's single-cycle MAC and dual-operand fetch make this DSC effective for moderate-rate audio and signal processing: active filtering, distortion compensation, envelope detection, and simple codecs at sampling rates up to tens of kHz. The deterministic 16-bit Harvard architecture avoids cache-related jitter, so interrupt-driven sample processing runs with consistent timing - a genuine advantage over cached 32-bit MCUs in real-time audio paths. With 32KB FLASH and 4KB RAM, coefficient tables and double-buffered sample frames fit on-chip, eliminating external memory. Design consideration: clock the device from a crystal source (OSC1/OSC2) rather than the internal FRC oscillator when low sample-clock jitter matters.
Recommended
Robotics and Automation Subsystems
In robotics, this DSC drives joint servos, gimbal motors, and conveyor actuators where closed-loop control must respond within microseconds. The 60 MIPS core closes FOC or trapezoidal commutation loops in hardware-timed PWM cycles, quadrature encoder inputs (QEA/QEB pins) feed the position estimator, and the DSP engine handles plant-model compensation math each cycle. The -40C to +125C range tolerates motor-adjacent mounting where waste heat raises local ambient, and the 28-pin QFN footprint suits compact actuator driver boards. With 32KB FLASH, motion profiles plus CAN or RS-485 fieldbus firmware coexist on-chip, removing external memory from the bill of materials.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC202T-E/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC202T-E/MMVAO | DSPIC33EP32MC202T-I/MM | DSPIC33EP64MC202T-E/MM | DSPIC33EP32GP502T-E/MM | DSPIC33EP16MC202T-E/MM |
|---|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm, exposed pad) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS / 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| FLASH Program Memory | 32 KB (10.7K x 24) | 32 KB | 32 KB | 64 KB (2x) | 32 KB | 16 KB (0.5x) |
| Operating Temperature | -40C to +125C (extended, E-grade) | -40C to +125C | -40C to +85C (industrial) | -40C to +125C | -40C to +125C | -40C to +125C |
| AEC-Q100 Qualification | Qualified (automotive) | Qualified | Industrial grade (check datasheet) | Extended-temp E-grade | Extended-temp E-grade | Extended-temp E-grade |
| Peripheral Class | MC (motor control: high-speed PWM, advanced analog) | MC class | MC class | MC class | GP class (general purpose) | MC class |
| Pin Compatibility | dsPIC33EP 28-QFN-S baseline pinout | Identical (same die) | Identical pinout | Identical pinout | Identical pinout | Identical pinout |
Key Differentiators
- Extended temperature and AEC-Q100 at standard price point (vs DSPIC33EP32MC202T-I/MM)
- Same footprint with 2x program memory upgrade path (vs DSPIC33EP64MC202T-E/MM)
- Motor-control peripheral class (vs DSPIC33EP32GP502T-E/MM)
Design Notes
The VCAP/VDDCORE pin (pin 15) connects to the internal core regulator and requires a low-ESR ceramic capacitor of the value specified in the family datasheet (DS70000657J). Omitting it or using a wrong dielectric prevents core regulation and the device will fail to start or reset randomly. Decouple each VDD pair (pins 7/8 and 13/14) with 0.1 uF ceramic placed within 2-3 mm of the pin, plus one bulk 4.7-10 uF capacitor near the package.
The exposed pad on the 28-QFN-S (6x6) is the primary ground and thermal path; solder it to a solid grounded copper area with an array of thermal vias. Keep the analog supply pins AVDD/AVSS (pins 27/28) on a filtered analog supply island - typically a ferrite bead plus 1 uF and 0.1 uF capacitors - especially when the ADC is used for current sampling in motor control where reference noise directly affects torque-loop accuracy.
Configuration-bit mismatches are the most frequent bring-up failure on dsPIC33EP parts: verify OSC configuration (primary crystal vs internal FRC), watch-dog, and PWM pin-mapping (PPS, peripheral pin select) before debugging symptoms elsewhere. The -E extended temperature grade must not be substituted by -I industrial grade in designs validated above +85C. For legacy code migration from dsPIC33F, note the interrupt controller and some SFR addresses changed in the E generation.
When using the high-speed PWM for motor drive, route PWM outputs away from analog inputs AN0-AN15 and keep the gate-driver return current loop small. Sample ADC at the PWM center (center-aligned trigger) to avoid switching-noise capture; this synchronization is supported by the MC-class PWM module and dramatically reduces current-measurement ripple without added filtering latency.
Compliance Information
AEC-Q100 automotive qualification confirmed by Microchip USA and Hotenda listings; RoHS compliance per Microchip standard product policy. REACH/halogen-free status not stated in provided data.
