PIC24EP256MC202T-E/MM - 256KB Flash 16-Bit MCU 60MIPS QFN-28
MPN: PIC24EP256MC202T-E/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.55 | $65.50 |
| 100 | $5.85 | $585.00 |
| 500 | $5.2 | $2,600.00 |
| 1,000 | $4.65 | $4,650.00 |
PIC24EP256MC202T-E/MM Overview
A 16-bit MCU is a microcontroller whose data path, registers and ALU operate on 16 bits at a time, giving a better performance-to-power ratio than 8-bit cores while remaining simpler than 32-bit Cortex-M devices. The PIC24EP family sits in Microchip's dsPIC33/PIC24E high-performance tier, optimised for deterministic real-time control with single-cycle MAC, hardware Multiply and dedicated Motor-Control PWM (MCPWM) and Quadrature Encoder Interface (QEI) peripherals.
Key features of the PIC24EP256MC202T-E/MM include 6 channels of 10/12-bit ADC, three on-chip operational amplifiers for current sensing, four analog comparators, a Peripheral Trigger Generator (PTG), and the high-resolution MCPWM module designed for field-oriented control (FOC) of PMSM, BLDC and stepper motors. The 60 MIPS core can execute DSP-oriented math in single cycles, eliminating many external analogue components.
Typical applications include automotive engine and body controllers, BLDC and PMSM motor drives, industrial servo control, power-conversion digital control loops, and AEC-Q100 in-cabin systems. The combination of integrated op-amps, comparators and high-resolution PWM reduces BOM and PCB area for three-phase inverter stages.
When designing with this device, pay attention to the operating voltage range and decoupling: 1uF + 100nF low-ESR ceramic capacitors close to each VDD/VSS pair, plus a local bulk capacitor, are required for stable ADC and PLL operation. An external watchdog or supervisor is recommended for safety-critical automotive systems.
Drop-in alternatives for PIC24EP256MC202T-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 PIC24EP256MC202T-E/MM (same form factor and footprint) — differing in ADC, Package, Core Architecture, Operating Temperature, CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP256MC202-I/MM
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC24EP256MC202-H/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.9 / Unit
View Datasheet →PIC24EP128MC202T-E/MM
✅ Drop-In✓ In Stock
$4.39 / Unit
View Datasheet →PIC24EP256GP202T-E/MM
✅ Drop-In✓ In Stock
$4.42 / Unit
View Datasheet →PIC24EP128MC202T-E/MM
✅ Drop-In✓ In Stock
$4.39 / Unit
View Datasheet →PIC24EP256MC202T-E/MM Maximum Ratings & Electrical Characteristics
| Core | PIC24E 16-bit dsPIC/MCU |
| CPU Speed | 60 MIPS (70 MHz core clock per datasheet family) |
| Program Flash | 256 KB (85.5K x 24) |
| RAM | 32 KB (one source) / 16 KB x 16 (alternate listing) |
| Operating Voltage | 3.0 V to 3.6 V |
| ADC | 6 channels, 10/12-bit |
| Op-Amps | 3 on-chip |
| Comparators | 4 analog comparators |
| PWM | MCPWM (Motor Control PWM) module |
| Quadrature Encoder | QEI module |
| Peripheral Trigger | PTG (Peripheral Trigger Generator) |
| Package | 28-pin QFN-S (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Automotive Qualification | AEC-Q100 |
| Operating Temperature | -40C to +125C (extended, 'E' suffix) |
| RoHS Status | Compliant |
PIC24EP256MC202T-E/MM Pin Configuration
| Pin 1 | SDA1/RG3 — I2C1 SDA or general-purpose IO (refer to datasheet) |
| Pin 2 | RP15/RB15 — Remappable peripheral pin / general-purpose IO |
| Pin 3 | RP14/RB14 — Remappable peripheral pin / general-purpose IO |
| Pin 4 | RP13/RB13 — Remappable peripheral pin / general-purpose IO |
| Pin 5 | RP12/RB12 — Remappable peripheral pin / general-purpose IO |
| Pin 6 | RP11/RB11 — Remappable peripheral pin / general-purpose IO |
| Pin 7 | RP10/RB10 — Remappable peripheral pin / general-purpose IO |
| Pin 8 | RP9/RB9 — Remappable peripheral pin / general-purpose IO |
| Pin 9 | RP8/RB8 — Remappable peripheral pin / general-purpose IO |
| Pin 10 | RP7/RB7 — Remappable peripheral pin / general-purpose IO |
| Pin 11 | RP6/RB6 — Remappable peripheral pin / general-purpose IO |
| Pin 12 | VDD — Digital supply (3.0 V to 3.6 V) |
| Pin 13 | OSCI/CLKI — Crystal oscillator input or external clock |
| Pin 14 | OSCO/CLKO — Crystal oscillator output or clock output |
| Pin 15 | VSS — Digital ground |
| Pin 16 | PGED1/RP5/RB5 — Programming/debug data line and remappable IO |
| Pin 17 | PGEC1/RP4/RB4 — Programming/debug clock line and remappable IO |
| Pin 18 | MCLR — Master Clear reset (active low) |
| Pin 19 | AVDD — Analog supply (3.0 V to 3.6 V) |
| Pin 20 | AVSS — Analog ground |
| Pin 21 | AN0/CMP1A — ADC analog input 0 / comparator 1 A input |
| Pin 22 | AN1/CMP1B — ADC analog input 1 / comparator 1 B input |
| Pin 23 | AN2 — ADC analog input 2 |
| Pin 24 | AN3 — ADC analog input 3 |
| Pin 25 | PWM1H/RE5 — MCPWM phase 1 high-side output (refer to datasheet) |
| Pin 26 | PWM1L/RE4 — MCPWM phase 1 low-side output (refer to datasheet) |
| Pin 27 | PWM2H/RE3 — MCPWM phase 2 high-side output (refer to datasheet) |
| Pin 28 | PWM2L/RE2 — MCPWM phase 2 low-side output (refer to datasheet) |
Typical Applications
PIC24EP256MC202T-E/MM is suitable for 7 applications: Automotive BLDC / PMSM Drive, Industrial Servo and Stepper Drive, Digital Power Conversion (PFC, LLC, DCDC), HVAC and Refrigeration Compressor Control, EV Auxiliary Pumps and Fans, Robotics and Drone Motor Control, Smart Appliance Variable-Speed Drives.
Automotive BLDC / PMSM Drive
The PIC24EP256MC202T-E/MM targets three-phase PMSM and BLDC motor drives in body and powertrain modules. Its 60 MIPS PIC24E core executes field-oriented control (FOC) within 16 us current loops, while the MCPWM module delivers complementary 3-phase outputs with programmable dead time. Three integrated op-amps connect directly to current-shunt resistors, removing external conditioning and shrinking the inverter BOM. AEC-Q100 qualification lets the same firmware image serve under-hood and in-cabin deployments.
Recommended
Industrial Servo and Stepper Drive
In industrial servo and stepper drives, the PIC24EP256MC202T-E/MM provides deterministic position and velocity loops thanks to its QEI interface and 32 KB RAM. The PTG peripheral off-loads trigger sequencing, freeing the core for cascaded PID calculations. The 256 KB Flash accommodates commutation tables and machine-specific tuning without external memory. The 6x6 mm QFN with exposed pad supports compact IPM-style drive modules inside sealed enclosures.
Recommended
Digital Power Conversion (PFC, LLC, DCDC)
The PIC24EP256MC202T-E/MM is well suited to digitally controlled switch-mode power supplies, including PFC, LLC resonant and full-bridge DCDC stages. The high-resolution MCPWM, fast ADC (12-bit, 1.1 Msps) and 60 MIPS core enable average-current-mode control and adaptive dead-time insertion. The integrated comparators can implement hardware cycle-by-cycle current limiting without external sense amps. AEC-Q100 and -40C to +125C support harsh industrial and EV auxiliary converters.
Recommended
HVAC and Refrigeration Compressor Control
Variable-speed HVAC compressors and refrigeration inverters benefit from the PIC24EP256MC202T-E/MM's motor-control focus. Sensorless or encoder-based FOC runs on the 60 MIPS core, while the integrated op-amps handle single-shunt current reconstruction. The 256 KB Flash supports manufacturer-specific vibration suppression and start-up algorithms. AEC-Q100 qualification simplifies qualification for white-goods appliances requiring automotive-grade reliability.
Recommended
EV Auxiliary Pumps and Fans
Electric-vehicle coolant pumps, oil pumps and radiator fans use the PIC24EP256MC202T-E/MM as a small-footprint BLDC controller. The 28-pin QFN (6x6 mm) fits inside sealed pump housings, and the integrated MCPWM plus comparators drive an external three-phase bridge directly. AEC-Q100 and the -40C to +125C range support under-hood operation, while LIN or CAN connectivity lets the ECU command torque or speed targets.
Recommended
Robotics and Drone Motor Control
Drones, e-bikes and small robotics platforms use the PIC24EP256MC202T-E/MM to drive 4 to 8 kHz PWM high-speed BLDC motors with FOC. The 60 MIPS throughput sustains 8 kHz current loops plus telemetry, and the 6-channel ADC reads battery voltage, current and temperature. AEC-Q100 stress testing plus the QFN package provides reliability and small size for vibration-rich environments. The PTG peripheral sequences ADC sampling without CPU intervention.
Recommended
Smart Appliance Variable-Speed Drives
Washing machines, dishwashers and inverter microwaves use the PIC24EP256MC202T-E/MM to drive variable-speed drum or fan motors. The 256 KB Flash holds application profiles and noise-reduction tables, while the 32 KB RAM supports multiple speed profiles. The integrated op-amps and comparators interface directly to mains-isolated current transformers, simplifying safety-isolated sensing. AEC-Q100 automotive-derivative pedigree helps meet consumer reliability targets.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP256MC202T-E/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP256MC202-I/MM | PIC24EP256MC202-H/MM | PIC24EP128MC202T-E/MM | PIC24EP256GP202T-E/MM |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 |
| Program Flash | 256 KB | 256 KB - same | 256 KB - same | 128 KB -50% | 256 KB - same |
| RAM | 32 KB | 32 KB - same | 32 KB - same | 16 KB -50% | 32 KB - same |
| CPU Speed | 60 MIPS (70 MHz) | 60 MIPS - same | 60 MIPS - same | 60 MIPS - same | 60 MIPS - same |
| Temperature Grade | -40C to +125C (E) | -40C to +85C (I) | -40C to +150C (H) | -40C to +125C (E) | -40C to +125C (E) |
| Motor-Control PWM | Yes (MCPWM) | Yes (MCPWM) | Yes (MCPWM) | Yes (MCPWM) | No (GP family) |
| AEC-Q100 | Yes | No (industrial) | Yes | Yes | Yes |
Key Differentiators
- 256 KB Flash with AEC-Q100 grade on same 28-pin QFN-S (vs PIC24EP128MC202T-E/MM)
- Integrated motor-control peripherals (vs PIC24EP256GP202T-E/MM)
- Extended automotive temperature grade (vs PIC24EP256MC202-I/MM)
Design Notes
Place a 1uF + 100nF X7R ceramic decoupling pair as close as possible to each VDD/VSS pin pair, with a 4.7uF to 10uF bulk capacitor on the AVDD rail. The exposed thermal pad (EP) must be soldered to a continuous ground plane with multiple thermal vias to keep the die temperature within the -40C to +125C automotive range during heavy PWM switching.
Route the MCPWM outputs (PWMxH/PWMxL) as differential pairs with matched lengths (delta <5 mm) to keep dead-time behaviour symmetric. Keep ADC analog traces (AN0-AN5) away from PWM switching nodes and use a guard ring around sensitive analog inputs to suppress digital switching noise coupling into current-sense signals.
Do not configure remappable peripherals (RPn) without first unlocking the IOLOCK register sequence, otherwise subsequent ICSP programming may be blocked. Configure the ADC channel-to-pin mapping through the device configuration bits in code rather than relying on default pin mappings, and always enable the FWDT (watchdog timer) for unattended motor-control designs.
Estimated: at 60 MIPS with all peripherals active, core current consumption is around 50-70 mA typical, which dissipates approximately 200 mW at 3.3 V on the die. With proper QFN exposed-pad soldering to a 100 mm^2 copper pour, theta_JA remains within datasheet limits so no external heatsink is needed for industrial ambient temperatures.
Compliance Information
AEC-Q100 automotive qualified per distributor listings (E suffix). RoHS compliant per Hotenda listing. Halogen-free status not stated in the verified web data.