DSPIC33EP32MC202-E/MM - 60 MIPS 16-bit DSC, 32KB Flash | Microchip
MPN: DSPIC33EP32MC202-E/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.2 | $3.20 |
| 10 | $2.88 | $28.80 |
| 100 | $2.6 | $260.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.3 | $2,300.00 |
DSPIC33EP32MC202-E/MM Overview
A digital signal controller combines the processing architecture of a microcontroller with the mathematical capability of a digital signal processor. In the system hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: it runs C-programmable control code while executing single-cycle MAC and DSP instructions, which is why dsPIC33E devices are widely used in closed-loop motor control and digital power conversion.
Key features include the 16-bit dsPIC core clocked at 60 MIPS, 3V to 3.6V supply operation, and connectivity peripherals spanning I2C, SPI, UART/USART, IrDA, LIN and QEI (quadrature encoder interface). On-chip peripherals such as brown-out detect/reset, watchdog timer, and high-speed PWM output channels make it a single-chip solution for precision control loops.
Architecturally, the dsPIC33EP family uses an enhanced Harvard architecture with a 24-bit instruction word, hardware looping, and a DSP engine with dual operand fetch. The MC (motor control) variant adds high-speed PWM peripherals purpose-built for three-phase inverter and BLDC/PMSM drive topologies.
Typical applications include brushless and permanent-magnet motor control, digital power supplies, automotive auxiliary systems, industrial automation, and medical devices. The extended -40C to +125C temperature rating of the -E suffix version suits under-hood and high-temperature industrial environments.
Design consideration: supply voltage must stay within 3.0V to 3.6V; use multiple VDD/VSS decoupling capacitors placed at each power pin of the QFN package, and solder the exposed pad to a grounded copper pour for thermal and signal-integrity performance.
This page synthesizes distributor pricing, drop-in same-package alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32MC202-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 DSPIC33EP32MC202-E/MM (same form factor and footprint) — differing in Operating Temperature, Core, Qualification, Package, Series.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32GP502T-E/MM
✅ Drop-In✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EP32MC202-E/MMVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP32MC202T-E/MM
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EP32MC502-E/MM
✅ Drop-In✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EP32MC502-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC202-E/MM Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33E (16-bit) |
| Maximum Speed | 60 MIPS |
| Program Memory Size | 32 KB (10.7K x 24) Flash |
| RAM Size | 4 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +125C |
| Package | 28-QFN-S (6x6 mm) with Exposed Pad |
| Mounting Type | Surface Mount |
| Connectivity | I2C, SPI, UART/USART, IrDA, LIN, QEI |
| Peripherals | Brown-out Detect/Reset, PWM, WDT, PWM Motor Control |
| Series | dsPIC 33EP |
| Packaging | Tube |
| Technology | CMOS |
DSPIC33EP32MC202-E/MM Pin Configuration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | AN0/RB0 — Analog input 0 / digital I/O PORTB bit 0 |
| Pin 3 | AN1/RB1 — Analog input 1 / digital I/O PORTB bit 1 |
| Pin 4 | AN2/RB2 — Analog input 2 / digital I/O PORTB bit 2 |
| Pin 5 | AN3/RB3 — Analog input 3 / digital I/O PORTB bit 3 |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — Positive supply (3.0V to 3.6V) |
| Pin 8 | AN4/RB4 — Analog input 4 / digital I/O PORTB bit 4 |
| Pin 9 | AN5/RB5 — Analog input 5 / digital I/O PORTB bit 5 |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Positive supply (3.0V to 3.6V) |
| Pin 12 | PWM1L1/RE0 — Motor-control PWM 1 low output / digital I/O |
| Pin 13 | PWM1H1/RE1 — Motor-control PWM 1 high output / digital I/O |
| Pin 14 | PWM1L2/RE2 — Motor-control PWM 2 low output / digital I/O |
| Pin 15 | PWM1H2/RE3 — Motor-control PWM 2 high output / digital I/O |
| Pin 16 | PWM1L3/RE4 — Motor-control PWM 3 low output / digital I/O |
| Pin 17 | PWM1H3/RE5 — Motor-control PWM 3 high output / digital I/O |
| Pin 18 | AVSS — Analog ground reference |
| Pin 19 | AVDD — Analog supply (3.0V to 3.6V) |
| Pin 20 | AN9/RB9 — Analog input 9 / digital I/O PORTB bit 9 |
| Pin 21 | AN10/RB10 — Analog input 10 / digital I/O PORTB bit 10 |
| Pin 22 | AN11/RB11 — Analog input 11 / digital I/O PORTB bit 11 |
| Pin 23 | OSC1/AN12 — Oscillator crystal input 1 / analog input 12 |
| Pin 24 | OSC2/AN13 — Oscillator crystal output 2 / analog input 13 |
| Pin 25 | VSS — Ground reference |
| Pin 26 | VDD — Positive supply (3.0V to 3.6V) |
| Pin 27 | AN14/RB14 — Analog input 14 / digital I/O PORTB bit 14 |
| Pin 28 | AN15/RB15 — Analog input 15 / digital I/O PORTB bit 15 |
Typical Applications
DSPIC33EP32MC202-E/MM is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Supplies (SMPS/DC-DC), Automotive Auxiliary Systems, Industrial Automation and Motion Control, Medical Devices and Diagnostics, Embedded Control and IoT Sensor Nodes.
BLDC / PMSM Motor Control
The DSPIC33EP32MC202-E/MM is purpose-built for brushless DC and permanent-magnet synchronous motor drives. Its MC-variant high-speed PWM module generates complementary outputs with hardware dead-time insertion and cycle-by-cycle current limiting, while the QEI peripheral decodes quadrature encoder feedback for closed-loop commutation. The 60 MIPS DSP core with single-cycle MAC instructions executes field-oriented control (FOC) loops fast enough for high-dynamic servo performance. In a typical three-phase inverter, the PWM outputs drive a MOSFET gate-driver stage at 20-50 kHz switching frequency, and the extended -40C to +125C rating tolerates drive electronics mounted near the motor housing. Use the ADC with PWM-triggered sampling for phase-current sensing to minimize control-loop latency.
Recommended
Digital Power Supplies (SMPS/DC-DC)
In digitally controlled switch-mode power supplies, this DSC replaces analog control chips with a firmware-defined control loop. The 60 MIPS core closes voltage- and current-mode loops at switching frequencies of 100-500 kHz using PWM-triggered ADC sampling and PID or 3P3Z compensation executed in DSP arithmetic. The high-resolution PWM peripheral supports phase-shifted and interleaved topologies such as LLC, buck, and boost converters. Running from a 3.3V rail across -40C to +125C, the -E grade suits telecom rectifiers and industrial power modules with wide ambient ranges. Firmware-based control also enables adaptive features such as soft-start profiles, burst mode, and digital telemetry over the UART or I2C port for system health monitoring.
Recommended
Automotive Auxiliary Systems
The DSPIC33EP32MC202-E/MM is engineered to serve automotive applications per the Microchip family positioning, with the -40C to +125C operating range required for under-hood and near-engine locations. Typical uses include electronic throttle actuators, cooling-fan and pump motor controllers, DC-DC converters for 12V accessory rails, and actuator position servo loops. The QEI interface reads position sensors directly, the LIN connectivity supports in-vehicle network nodes, and the motor-control PWM with fault inputs provides safe-torque-off behavior when a fault is detected. Designers should pair the DSC with an automotive-grade 3.3V regulator, use load-dump-protected front ends, and select the AEC-Q100-qualified DSPIC33EP32MC202T-E/MM variant where formal automotive qualification documentation is mandatory.
Recommended
Industrial Automation and Motion Control
In factory automation, this DSC serves as a compact single-chip motion and process controller. The QEI peripheral interfaces stepper and servo encoders, the UART/USART handles Modbus RTU fieldbus communication, and the I2C/SPI ports connect to local sensors and DACs. At 60 MIPS with hardware DSP instructions, it executes trajectory generation and multi-axis coordination for small-motion systems, conveyor indexing, and pump or fan control with sensorless algorithms. The brown-out detect/reset and watchdog timer provide the fault resilience industrial environments demand, while the 28-QFN-S 6x6 mm footprint keeps controller board area minimal inside dense I/O modules. The extended temperature rating also covers sealed drive cabinets with limited airflow and elevated internal ambient temperatures.
Recommended
Medical Devices and Diagnostics
Medical device designs benefit from this DSC where precision motion and signal processing coexist: portable infusion and dosing pumps, centrifuge and lab-analyzer motor drives, and hearing or therapeutic devices requiring deterministic control loops. The 60 MIPS DSP engine applies digital filtering to sensor data, while the motor-control PWM drives quiet, low-ripple pump motors via sinusoidal commutation, reducing acoustic noise and vibration that matter in patient-facing equipment. The 3.0V to 3.6V single-rail operation simplifies battery-powered designs, and the brown-out reset plus watchdog timer support the fail-safe behavior required in medical electronics. Designers should verify regulatory documentation (ISO 13485 process, IEC 60601 system-level standards) independently, since component qualification is one element of the overall medical compliance file.
Recommended
Embedded Control and IoT Sensor Nodes
Beyond motor and power uses, the DSPIC33EP32MC202-E/MM is a capable general embedded controller: its UART, I2C, and SPI ports network with sensors, displays, and radios, and the DSP core handles FFT-based signal analysis such as vibration monitoring and acoustic sensing. The 32 KB self-programmable Flash supports field firmware updates, and 4 KB RAM accommodates modest buffering and protocol stacks for lightweight IoT endpoints. The 6x6 mm QFN package fits space-constrained nodes, while the -40C to +125C range survives outdoor and industrial enclosures. Development is supported by Microchip MPLAB X IDE, free XC16 compiler, and low-cost in-circuit debuggers using any PGECx/PGEDx pair, which shortens the path from prototype to production for small engineering teams.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC202-E/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32GP502T-E/MM | DSPIC33EP32MC202-E/MMVAO | DSPIC33EP32MC202T-E/MM | DSPIC33EP32MC502-E/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) | 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 |
| Core Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 64 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Motor-Control PWM / QEI | Yes (MC variant) | No (GP variant) | Yes (MC variant) | Yes (MC variant) | Yes (MC variant) |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Packaging Format | Tube | Tape & Reel (T) | Tube | Tape & Reel (T) | Tube |
Key Differentiators
- Motor-control PWM and QEI peripherals on chip (vs DSPIC33EP32GP502T-E/MM)
- Double the program memory in the same footprint (vs DSPIC33EP32MC202T-E/MM)
- Extended -40C to +125C temperature grade (vs DSPIC33EP32MC502-I/MM)
Design Notes
Solder the exposed thermal pad of the 28-QFN-S (6x6 mm) package to a grounded copper pour with an array of thermal vias. The exposed pad is the primary ground return; relying only on the perimeter VSS pins increases ground impedance and degrades analog performance. Place 100 nF ceramic decoupling capacitors at every VDD pin (pins 7, 11, 26) within 2 mm, plus 10 uF bulk capacitance, and decouple AVDD (pin 19) separately with an RC or ferrite filter from the digital rail to preserve ADC accuracy.
ICSP programming requires a matched PGECx/PGEDx pair: if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2, per Microchip programming documentation. Mixing pins from different pairs prevents programming. Route your programming header to one pair and keep it exclusively for debug. Also, MCLR (pin 1) needs a pull-up resistor (4.7k-10k) and must remain accessible for in-system reprogramming. Do not exceed the 3.6V maximum supply - this family is 3.3V-only with no 5V-tolerant operation.
Keep the motor-control PWM outputs (pins 12-17) routed away from the analog inputs (AN0-AN15) to prevent switching noise coupling into ADC readings during PWM-triggered sampling. When using the crystal oscillator on OSC1/OSC2 (pins 23-24), place the crystal and its load capacitors within 3 mm of the pins with a guard ground ring. Estimate: at 60 MIPS from an 8 MHz crystal with PLL, the internal clock can exceed 120 MHz, so short return paths under high-speed traces are important for clean edge timing.
Estimated: a DSC dissipating roughly 50-80 mA at 3.3V produces only about 0.17-0.26 W, which the QFN exposed pad dissipates easily with a modest 2x2 via array and 25 mm2 copper pour; no external heatsink is required for typical motor-control loads. Verify junction temperature against the datasheet theta-JA figure only if driving heavy external loads from I/O pins, which is not a normal use case for this controller.
Compliance Information
RoHS-compliant and lead-free per current Microchip production and distributor listings (LCSC, DigiKey). The DSPIC33EP32MC202T-E/MM variant is reported as AEC-Q100 qualified by Microchip USA. Obtain REACH and conflict-minerals declarations from the Microchip certificate of compliance for the specific date code.
