DSPIC33EP512MC202-E/MM - 16-bit 60MIPS DSC QFN-28 | Microchip
MPN: DSPIC33EP512MC202-E/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.74 | $4.74 |
| 10 | $4.31 | $43.10 |
| 100 | $3.92 | $392.00 |
| 500 | $3.58 | $1,790.00 |
| 1,000 | $3.25 | $3,250.00 |
DSPIC33EP512MC202-E/MM Overview
A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. In the power-management hierarchy, the dsPIC33EP family sits between general-purpose 16-bit MCUs and dedicated DSPs, making it the standard choice for closed-loop motor control and power conversion where single-cycle MAC/DSP instructions and hardware PWM resolution matter.
Key features include MCPWM (motor control PWM) with complementary outputs and dead-time control, a quadrature encoder interface (QEI) for rotor position feedback, integrated op amps and analog comparators that reduce external component count in current-sense loops, and a Peripheral Trigger Generator (PTG) for autonomous, CPU-independent sequencing. The extended-temperature (-E) grade supports AEC-Q100 automotive-class thermal requirements.
Architecturally, the dsPIC33EP core uses a 24-bit instruction word with a multiple internal bus architecture, single-cycle multiply-accumulate, and dual operand fetch, sustaining up to 60 MIPS operation from a 3V to 3.6V supply. The 170K x 24 Flash organization matches the wide instruction word, and self-programming support enables field firmware updates.
Typical applications include brushless DC and PMSM motor drives, digital power supplies (LLC, PFC, buck converters), UPS inverters, and automotive auxiliary motor control, all of which exploit the high-resolution PWM, QEI feedback, and on-chip analog front end.
Design consideration: supply voltage must stay within 3.0V-3.6V, so a 3.3V LDO or regulator with tight tolerance is recommended; the exposed pad of the QFN must be soldered to a grounded copper pour for thermal and signal-integrity reasons.
This page synthesizes distributor pricing tiers, drop-in alternatives across the dsPIC33EP MC202 family, and practical design notes not found in a single manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512MC202-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 DSPIC33EP512MC202-E/MM (same form factor and footprint) — differing in Package, Operating Temperature, Core, DMA Channels, Supply Voltage Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512MC202-I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP256MC202-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33EP64MC202-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.9 / Unit
View Datasheet →DSPIC33EP32GP502T-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EP512MC202-E/MM Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33EP DSC core |
| CPU Speed | 60 MIPs |
| Program Memory Size | 512 KB (170K x 24) Flash |
| RAM Size | 48 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +125C (extended, E grade) |
| Package | 28-QFN-S exposed pad (6x6 mm) |
| Mounting Type | Surface Mount |
| Special Peripherals | MCPWM, QEI, Op Amps, Comparators, PTG |
| Qualification | Automotive, AEC-Q100 |
| Program Memory Width | 24-bit instruction word |
| Bus Architecture | Multiple internal bus |
| Series | dsPIC 33EP (dsPIC33EP512MC202) |
| RoHS Status | Compliant |
| Encoder Interface | Quadrature Encoder Interface (QEI) |
| PWM Type | Motor Control PWM (MCPWM) |
DSPIC33EP512MC202-E/MM 28-qfn-s exposed pad (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP512MC202-E/MM (28-qfn-s exposed pad (6x6 mm) 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 DSPIC33EP512MC202-E/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512MC202-E/MM is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Motor Drives, Uninterruptible Power Supplies (UPS), Industrial Automation and Robotics, Sensor Signal Conditioning and DSP Systems.
BLDC / PMSM Motor Control
The MCPWM module with complementary outputs and hardware dead-time insertion, combined with the QEI quadrature encoder interface, makes the DSPIC33EP512MC202-E/MM a purpose-built controller for brushless DC and PMSM drives. On-chip op amps amplify shunt current signals and comparators provide cycle-by-cycle overcurrent protection without external analog ICs, shrinking the board. At 60 MIPS with single-cycle MAC instructions, field-oriented control loops execute with headroom; the -40C to +125C grade supports automotive pumps, fans, and industrial servo drives.
Recommended
Digital Power Conversion
For LLC converters, PFC stages, and synchronous buck power supplies, the dsPIC33EP512MC202-E/MM provides high-resolution PWM with phase-shift and complementary modes, plus fast analog comparators for instantaneous overcurrent shutdown. The 60 MIPS DSP core executes control-law compensation with single-cycle multiply-accumulate, achieving loop bandwidths unattainable on general-purpose MCUs. The PTG enables autonomous PWM triggering independent of software jitter, improving transient response and efficiency in telecom rectifiers, server PSUs, and solar micro-inverters.
Recommended
Automotive Auxiliary Motor Drives
With AEC-Q100 qualification and extended -40C to +125C operation, this DSC suits automotive BLDC applications including HVAC blowers, coolant pumps, throttle actuators, and window lifters. The QEI and comparator peripherals implement sensorless or sensored control with hardware-level fault response, while the 512 KB Flash accommodates large firmware including functional-safety diagnostics and LIN/CAN service layers. The exposed-pad QFN-28 withstands underhood thermal cycling when properly soldered to a grounded copper pour.
Recommended
Uninterruptible Power Supplies (UPS)
In offline UPS designs, the DSPIC33EP512MC202-E/MM generates the output inverter waveform with high-resolution complementary PWM, synchronizes to grid via capture inputs, and monitors battery current through its integrated op amps and comparators. The 512 KB Flash hosts anti-islanding algorithms, power-factor correction, and communication stacks concurrently. Extended temperature tolerance suits outdoor and telecom cabinet installations where ambient temperatures exceed standard commercial limits, and hardware dead-time insertion protects the IGBT/MOSFET bridge under all load conditions.
Recommended
Industrial Automation and Robotics
The QEI interface decodes incremental encoder feedback for closed-loop positioning in robotic joints, conveyor axes, and CNC feed drives, while MCPWM drives the power stage. On-chip comparators implement hardware fault zones for overtravel and overcurrent, and the PTG offloads repetitive trigger sequences from the CPU, preserving MIPS for the motion profile planner. The 48 KB RAM buffers trajectory data and multi-axis state, and the -E temperature grade survives factory-floor enclosures without forced cooling in most installations.
Recommended
Sensor Signal Conditioning and DSP Systems
With integrated op amps, a 10/12-bit ADC, and a 60 MIPS DSP core with single-cycle MAC, this DSC processes sensor signals end-to-end on one chip: amplifying strain-gauge, thermocouple, or current-sensor inputs through the on-chip analog front end and applying digital filtering in firmware. The 512 KB Flash accommodates lookup tables, calibration data, and multi-protocol logging. Extended temperature operation suits industrial transmitters, battery-management sensing boards, and automotive sensor modules where a separate AFE would otherwise be required.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MC202-E/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512MC202-I/MM | DSPIC33EP256MC202-E/MM | DSPIC33EP64MC202-E/MM | DSPIC33EP32GP502T-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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 512 KB (170K x 24) | 512 KB (170K x 24) | 256 KB | 64 KB | 32 KB |
| CPU Speed | 60 MIPs | 70 MIPs (per DigiKey listing) | 60 MIPs | 60 MIPs | 60 MIPs |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C | -40C to +125C | -40C to +125C |
| MCPWM / QEI / Op Amps (MC peripherals) | Yes (MC family) | Yes | Yes | Yes | No (GP family) |
| AEC-Q100 / Automotive | Qualified (E grade) | Industrial grade (not E) | Yes | Yes | Yes (E grade) |
Key Differentiators
- Extended temperature range with full memory (vs DSPIC33EP512MC202-I/MM)
- Maximum program memory in the MC202 28-pin family (vs DSPIC33EP256MC202-E/MM)
- Motor-control analog and PWM peripheral set (vs DSPIC33EP32GP502T-E/MM)
Design Notes
The exposed pad on the 28-QFN-S 6x6 mm package must be soldered to a grounded copper pour - it is the primary ground return and thermal path. Estimated: a 20x20 mm pour of 1 oz copper yields roughly 40-50 C/W theta-JA, adequate for the ~0.1-0.15 W typical dissipation at 60 MIPS. Avoid routing signals under the pad area, and use a pin-1 dot marker matching the datasheet orientation to prevent rotated assembly on this fine-pitch QFN.
Supply must remain within 3.0V-3.6V; use a precision 3.3V regulator with tight tolerance and low transient droop. Estimated: at 60 MIPS the core draws tens of mA, so a 100-150 mA LDO such as the MCP1700 family provides margin. Place 0.1 uF ceramic decoupling at each VDD pin within 2 mm of the pin plus 4.7-10 uF bulk. When switching loads share the rail, isolate the controller supply or use an LC filter to prevent PWM-induced brownouts.
Two recurring mistakes in dsPIC33EP designs: first, remappable peripheral pins (RPx) must be explicitly configured in software before use - assuming a default UART or PWM pinout leads to silent failures. Second, when substituting flash-size variants (e.g., 256MC202 for 512MC202), verify that the linker addresses and any data-EE emulation regions fit the smaller memory; the pin map is identical but program space is not. Always check the family errata sheet on the Microchip product page for the silicon revision in hand.
Compliance Information
RoHS compliant and AEC-Q100 automotive qualified per DigiKey and Hotenda listings; REACH, halogen-free, and conflict-minerals status not stated in provided data.
