DSPIC33EP32MC202-E/SS - 16-bit 60 MIPS DSC | Microchip | Motor Control
MPN: DSPIC33EP32MC202-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.04 | $4.04 |
| 10 | $3.85 | $38.50 |
| 100 | $3.45 | $345.00 |
| 500 | $3.1 | $1,550.00 |
| 1,000 | $2.85 | $2,850.00 |
DSPIC33EP32MC202-E/SS Overview
A digital signal controller combines the computational capabilities of a 16-bit microcontroller with DSP-grade math acceleration in a single chip. In the power-management hierarchy of an embedded system, a DSC sits between a general-purpose MCU and a dedicated DSP, offering deterministic interrupt latency plus hardware multiply-accumulate - ideal for closed-loop control loops running at tens of kilohertz.
Key features of this MC (Motor Control) variant include a 6-channel 10/12-bit ADC with simultaneous sampling capability, 4 DMA channels that offload data movement from the CPU, 5 timers, 3 external interrupt sources, and 21 general-purpose I/O pins. The MC family integrates a high-speed PWM module purpose-built for motor drive topologies, enabling center-aligned, complementary outputs with dead-time insertion.
Technically, the dsPIC33E core executes a modified Harvard architecture with a 24-bit instruction word and hardware DSP engine, supporting single-cycle MAC and dual operand fetch. Supply voltage spans 3.0V to 3.6V (nominal 3.3V), and low-power modes support battery-aware and energy-conscious designs. In-circuit serial programming (ICSP) via the MCLR/PGC/PGD pins simplifies production flashing.
Typical applications include precision BLDC and PMSM motor control (Field-Oriented Control), digital power supplies such as LLC and PFC stages, robotics actuators, and industrial automation equipment requiring deterministic 16-bit control with DSP math.
Design consideration: budget for the VCAP/VDDCORE pin capacitor exactly as specified in the manufacturer datasheet, and keep the analog supply (AVDD/AVSS) clean for ADC accuracy.
This page synthesizes distributor pricing from LCSC, DigiKey and Mouser, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing as of 2026-09-25.
Drop-in alternatives for DSPIC33EP32MC202-E/SS — 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 DSPIC33EP32MC202-E/SS (same form factor and footprint) — differing in Package, Operating Temperature, Core, RAM, ADC Resolution.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC202-I/SS
✅ Drop-In✓ In Stock
$2.68 / Unit
View Datasheet →DSPIC33EP64MC202-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC202-E/SS
✅ Drop-In✓ In Stock
$4.18 / Unit
View Datasheet →DSPIC33EP256MC202T-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.38 / Unit
View Datasheet →DSPIC33EP16GS202-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.79 / Unit
View Datasheet →DSPIC33EP16GS202T-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EP32MC202-E/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Maximum CPU Speed | 60 MIPS (60 MHz core clock) |
| Flash Program Memory | 32 KB (10.7K x 24) |
| RAM | 4 KB (2K x 16) |
| Operating Voltage Range | 3.0 V to 3.6 V (nominal 3.3 V) |
| General-Purpose I/O Pins | 21 |
| ADC Resolution | 10/12-bit |
| ADC Channels | 6 |
| DMA Channels | 4 |
| Timers | 5 |
| External Interrupt Sources | 3 |
| Operating Temperature Range | -40C to +125C (Extended, E grade) |
| Package | 28-SSOP (SS) |
| Mounting Type | Surface Mount |
| Supply Architecture | Single 3.3V supply with VCAP/VDDCORE pin |
DSPIC33EP32MC202-E/SS 28-ssop (ss) Pin Configuration Guide
Pin configuration for DSPIC33EP32MC202-E/SS (28-ssop (ss) 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 DSPIC33EP32MC202-E/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC202-E/SS is suitable for 6 applications: PMSM / BLDC Motor Control (FOC), Digital Power Supplies (LLC, PFC), Robotics Actuators and Servo Drives, Industrial Automation and Process Control, Appliances and HVAC Systems, Battery-Powered Portable Equipment.
PMSM / BLDC Motor Control (FOC)
The DSPIC33EP32MC202-E/SS is purpose-built for Field-Oriented Control of PMSM and BLDC motors. Its 60 MIPS DSP core with single-cycle MAC executes the Clarke and Park transforms plus nested PI current loops well within 10-20 kHz PWM switching periods. The MC-family high-speed PWM module delivers center-aligned complementary outputs with programmable dead-time insertion, while the 6-channel 10/12-bit ADC with 4 DMA channels supports simultaneous dual-shunt current sensing without CPU overhead. The extended -40C to +125C E-grade temperature rating suits drives mounted near power stages. The typical trade-off is modest 32 KB flash, so keep FOC code lean or move to the pin-compatible 64/128 KB family members.
Recommended
Digital Power Supplies (LLC, PFC)
Digital switching power supplies benefit directly from this DSC's deterministic control loop: the 60 MIPS core closes voltage and current loops at sampling rates unattainable with general-purpose MCUs, and hardware DSP math handles nonlinear control laws with predictable latency. The ADC can synchronize sampling directly to the PWM module to sample mid-ramp at the quietest switching instant, improving measurement accuracy in LLC and PFC stages. The 4 DMA channels offload ADC FIFOs, and the 3 external interrupts support fast fault shutdown. At 3.0-3.6V single-supply, the controller interfaces cleanly with isolated gate-driver logic. Budget flash carefully - digital power firmware plus compensators typically fits within 32 KB but leaves little headroom for field upgrades.
Recommended
Robotics Actuators and Servo Drives
Compact robotic joints and servo actuators need simultaneous high-rate current control, position sensing and communication - a fit for the DSPIC33EP32MC202-E/SS. The 60 MIPS core time-slices a 20 kHz FOC current loop with encoder processing and a control-protocol state machine, while Peripheral Pin Select (PPS) lets engineers map QEI, UART and PWM functions to the 21 GPIO as the mechanical layout demands. The 5-timer suite handles PWM generation, encoder counting and system timing without external logic. Extended -40C to +125C operation tolerates enclosed actuators with limited airflow. With 4 KB RAM, keep the communication stacks (e.g., simple UART/CAN-adjacent protocols) minimal, or select the pin-compatible higher-flash family members for growth.
Recommended
Industrial Automation and Process Control
In factory automation nodes - motorized valves, conveyor drives, pump controllers - the DSPIC33EP32MC202-E/SS provides deterministic 16-bit control with DSP capability in an inexpensive 28-pin package. The 6-channel 10/12-bit ADC digitizes pressure, current and position feedback; 21 GPIO with PPS mapping adapts to legacy sensor wiring; and the extended temperature grade suits control cabinets near heat-generating drives. Low-power idle and sleep modes reduce consumption in standby-heavy duty cycles. DMA-driven ADC sampling keeps the 60 MIPS core free for supervisory logic and HMI interfaces. The 3.0-3.6V nominal rail integrates with standard industrial 3.3V logic domains, and ICSP supports field firmware updates through a production header.
Recommended
Appliances and HVAC Systems
Appliance-class motor drives - fans, compressors, wash pumps - are a natural fit for the DSPIC33EP32MC202-E/SS. Sensorless BLDC control relies on the ADC's synchronized BEMF sampling and the fast external interrupts for zero-cross detection, while the high-speed PWM module scales its outputs to single-shunt or three-phase inverter topologies. The -40C to +125C Extended grade survives compressor compartments and outdoor condenser units. The 3.0-3.6V supply supports low-power standby circuits required by modern energy regulations, and sleep-mode current suits always-on controllers. The 32 KB flash comfortably holds sensorless commutation plus housekeeping firmware; the 21 GPIO cover buttons, LEDs and relay feedback in a single compact 28-SSOP footprint.
Recommended
Battery-Powered Portable Equipment
Portable and battery-operated tools with motor-driven mechanisms exploit this DSC's low-power architecture: sleep and idle modes cut average current while the 60 MIPS active core delivers burst performance for drive events. The 3.0V supply floor matches the usable range of single-cell Li-Ion packs through an LDO, and the integrated 10/12-bit ADC monitors pack voltage and current without external converters. The 5-timer suite generates PWM and supervises wake sources, and 4 DMA channels reduce CPU wake-ups for data logging. Because RAM is limited to 4 KB, log-to-memory schemes should stream through UART/SPI DMA rather than buffer internally. The 28-SSOP package is small enough for handheld form factors yet reworkable during prototyping.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC202-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC202-I/SS | DSPIC33EP64MC202-E/SS | DSPIC33EP128MC202-E/SS | DSPIC33EP256MC202T-I/SS | DSPIC33EP16GS202-I/SS |
|---|---|---|---|---|---|---|
| Package | 28-SSOP (SS) | 28-SSOP (SS) - same | 28-SSOP (SS) - same | 28-SSOP (SS) - same | 28-SSOP (SS) - same | 28-SSOP (SS) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MIPS (60 MHz) | 60 MIPS (60 MHz) | 60 MIPS (60 MHz) | 60 MIPS (60 MHz) | 60 MIPS (60 MHz) | 60 MIPS (60 MHz) |
| Flash Program Memory | 32 KB | 32 KB | 64 KB | 128 KB | 256 KB | 16 KB |
| Temperature Range | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- Extended temperature rating for hot environments (vs DSPIC33EP32MC202-I/SS)
- Lowest-cost entry into the 32 KB MC family (vs DSPIC33EP64MC202-E/SS)
- Motor-control (MC) peripheral set vs GS-series parts (vs DSPIC33EP16GS202-I/SS)
Design Notes
Fit the VCAP/VDDCORE pin (pin 14) with the exact stabilizing capacitor value specified in the manufacturer datasheet - this regulates the internal 1.8V core LDO and a wrong or missing capacitor is the most common cause of erratic reset behavior on dsPIC33EP parts. Decouple each VDD pin with 0.1 uF ceramic placed within a few millimeters, and add 4.7-10 uF bulk at the board entry point. Keep AVDD fed through an RC or ferrite filter from VDD so switching noise from the motor inverter does not corrupt ADC readings.
Place the 28-SSOP controller away from the power stage: route PWM gate-drive traces with a nearby ground return, and keep ADC sense lines (current-shunt and BEMF inputs) as short as possible, guarding them with ground. Use Peripheral Pin Select (PPS) to move digital functions onto pins adjacent to their nets rather than crossing analog regions. Provide a standard 6-pin ICSP header (MCLR, VDD, GND, PGC, PGD, aux) so MPLAB ICD/REAL ICE can flash in-circuit during production and field service.
Two frequent mistakes: first, forgetting that the E grade is needed above +85C ambient - the cheaper I/SS variant will fail the same design in a hot enclosure; verify worst-case junction temperature, not just ambient. Second, overflow of the 32 KB flash: FOC plus communication stacks grow quickly - if flash exceeds about 80% utilization, migrate to the pin-compatible DSPIC33EP64MC202/128MC202 SSOP parts early rather than optimizing firmware mid-project. Also configure brown-out reset; the default programming settings leave it disabled.
Compliance Information
Compliance certificates were not present in the provided verified web data. Microchip catalog parts are typically RoHS-compliant/lead-free, but per anti-fabrication policy this is not asserted; request the manufacturer's material declaration for this exact MPN before production release.
