PIC24EP64MC202T-I/MM - 16-bit 70 MIPS 64KB Flash MCU | Microchip
MPN: PIC24EP64MC202T-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.95 | $3.95 |
| 10 | $3.55 | $35.50 |
| 100 | $3.15 | $315.00 |
| 500 | $2.75 | $1,375.00 |
| 1,000 | $2.45 | $2,450.00 |
PIC24EP64MC202T-I/MM Overview
A 16-bit microcontroller (MCU) is a microprocessor with a 16-bit data path, ALU and bus, sitting within the broader hierarchy of microcontroller -> embedded processor -> semiconductor. The "PIC" family denotes Microchip's proprietary architecture with separate code and data buses (Harvard architecture), and the "dsPIC" / PIC24EP sub-family extends this with DSP-oriented instructions and high-resolution PWM peripherals targeted at power conversion and motor drive applications.
Key features include 4 KB of RAM, dedicated motor-control PWM modules with high resolution and dead-time control, multiple general-purpose 16-bit timers, a 12-bit ADC, comparators and communication peripherals (UART, SPI, I2C). The 64 KB Flash is suitable for sophisticated state machines and field-oriented control (FOC) firmware, while the 28-pin QFN-S package offers a compact footprint for space-constrained motor drive boards. Industrial temperature grade (-40C to +85C) and 70 MIPS throughput enable precise real-time torque and speed loops.
Typical applications include brushless DC (BLDC) motor drives, permanent magnet synchronous motor (PMSM) controllers, switched-mode power supplies, uninterruptible power systems, and field-oriented control platforms. The PWM + ADC + op-amp integration is the defining strength of the PIC24EP MC family.
When designing with this MCU, allocate pin resources carefully: the QFN-28 footprint limits available I/O to roughly 21 general-purpose lines. Use Microchip's MPLAB X IDE and the dsPIC33/PIC24E Motor Control Library to accelerate development. Decouple AVDD with 10 uF + 0.1 uF ceramic capacitors close to the pin.
Drop-in alternatives for PIC24EP64MC202T-I/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 PIC24EP64MC202T-I/MM (same form factor and footprint) — differing in Operating Temperature, ADC, Package, Mounting Type, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP64MC202-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP64MC202T-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.12 / Unit
View Datasheet →PIC24EP32MC202T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP128MC202T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP64GP202T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC202-I/MM
✅ Drop-In✓ In Stock
$2.29 / Unit
View Datasheet →PIC24EP64MC202T-I/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit (PIC24EP) |
| Program Memory (Flash) | 64 KB (22K x 24) |
| Data RAM | 4 KB |
| CPU Speed | 70 MIPS |
| Clock Frequency | 60 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Package Type | 28-QFN-S (6 x 6 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) |
| Data Bus Width | 16-bit |
| Number of I/O | 21 (approx) |
| ADC | 12-bit (per family) |
| Motor Control PWM | Yes (high-resolution) |
| Communication Interfaces | UART, SPI, I2C |
| RoHS Status | Compliant |
PIC24EP64MC202T-I/MM Pin Configuration
| Pin 1 | MCLR — Master Clear (reset) input |
| Pin 2 | RA0 — Port A bit 0 / analog input |
| Pin 3 | RA1 — Port A bit 1 / analog input |
| Pin 4 | RB0 — Port B bit 0 |
| Pin 5 | RB1 — Port B bit 1 |
| Pin 6 | RB2 — Port B bit 2 |
| Pin 7 | RB3 — Port B bit 3 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | VDD — Positive supply (3.0 V to 3.6 V) |
| Pin 10 | RB4 — Port B bit 4 |
| Pin 11 | RB5 — Port B bit 5 |
| Pin 12 | RB6 — Port B bit 6 / programming clock |
| Pin 13 | RB7 — Port B bit 7 / programming data |
| Pin 14 | RB8 — Port B bit 8 |
| Pin 15 | RB9 — Port B bit 9 |
| Pin 16 | RB10 — Port B bit 10 |
| Pin 17 | RB11 — Port B bit 11 |
| Pin 18 | RB13 — Port B bit 13 |
| Pin 19 | RB14 — Port B bit 14 |
| Pin 20 | RB15 — Port B bit 15 |
| Pin 21 | AVSS — Analog ground |
| Pin 22 | AVDD — Analog positive supply (3.0 V to 3.6 V) |
| Pin 23 | PWM1H — PWM output 1 high-side |
| Pin 24 | PWM1L — PWM output 1 low-side |
| Pin 25 | PWM2H — PWM output 2 high-side |
| Pin 26 | PWM2L — PWM output 2 low-side |
| Pin 27 | OSC1 — Crystal oscillator input |
| Pin 28 | OSC2 — Crystal oscillator output |
Typical Applications
PIC24EP64MC202T-I/MM is suitable for 6 applications: BLDC Motor Control, PMSM Field-Oriented Control (FOC), Switched-Mode Power Supply (SMPS) Digital Control, Industrial Servo Drive, Uninterruptible Power Supply (UPS) Control, Solar Microinverter.
BLDC Motor Control
The PIC24EP64MC202T-I/MM is purpose-built for brushless DC motor control in appliances, fans, pumps and e-bikes. Its 70 MIPS throughput and dedicated high-resolution PWM with programmable dead-time support sensorless and sensored BLDC commutation at switching frequencies up to 20 kHz. The 64 KB Flash stores full state-machine control plus Microchip/BMS peripheral libraries; the 12-bit ADC samples phase currents precisely at 1 MSps. The 28-QFN footprint fits compact motor-drive PCBs, and the -40C to +85C industrial grade tolerates under-hood environments. The integrated op-amps and comparators enable back-EMF zero-crossing detection without external analog circuitry.
Recommended
PMSM Field-Oriented Control (FOC)
For permanent magnet synchronous motor (PMSM) drives in HVAC compressors, servo drives and robotics, the PIC24EP64MC202T-I/MM's 70 MIPS enables full Clarke/Park transformations and PI torque/current loops at sub-millisecond update rates. The 4 KB RAM accommodates reference-frame variables, sine tables and ADC buffers. The 28-pin QFN-S footprint keeps the MCU footprint small enough to place adjacent to the inverter stage. According to Microchip's motor-control library documentation, the integrated PWM module with dead-time insertion handles center-aligned switching directly, eliminating the need for an external gate-driver timing circuit.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
The PIC24EP64MC202T-I/MM serves as the digital controller in digitally-controlled SMPS for telecom, server and renewable power applications. Its 70 MIPS throughput supports 100 kHz+ control loops with PID compensation, while the high-speed 12-bit ADC samples the output voltage and current precisely. The PWM module with configurable frequency and duty cycle directly drives MOSFET gate drivers for buck, boost or LLC topologies. The 28-QFN-S footprint fits in 25 x 25 mm power modules, and the 64 KB Flash stores multiple control-loop profiles for different operating modes. The industrial temperature grade enables deployment in outdoor solar equipment.
Recommended
Industrial Servo Drive
In industrial servo drives for CNC machines, robotics and factory automation, the PIC24EP64MC202T-I/MM provides the deterministic real-time response required for closed-loop position, velocity and torque control. Its 70 MIPS throughput runs cascaded PID loops at 4 kHz with margin for trajectory planning. The high-resolution PWM generates the sine-drive signals for the motor inverter, while the fast ADC samples the encoder feedback and motor currents precisely. The 28-QFN-S 6 x 6 mm footprint supports miniaturized servo modules where PCB real estate is constrained. Per Microchip's industrial-grade specifications, the device is rated for continuous operation in factory-floor environments.
Recommended
Uninterruptible Power Supply (UPS) Control
The PIC24EP64MC202T-I/MM is well-suited to UPS systems requiring fast detection of mains failure and seamless transfer to battery backup. Its 70 MIPS throughput monitors AC line voltage, frequency and battery state in real time, while the PWM module generates the synthesized sine-wave output during inverter mode. The 64 KB Flash stores multiple inverter control strategies (pure sine wave, modified sine wave) and battery charging profiles (constant-current, constant-voltage, float). The 28-pin QFN-S footprint fits in space-constrained UPS modules. The industrial temperature grade supports deployment in server rooms and industrial enclosures.
Recommended
Solar Microinverter
For solar microinverter applications, the PIC24EP64MC202T-I/MM's 70 MIPS executes Maximum Power Point Tracking (MPPT) algorithms and generates the grid-synchronized sine-wave output. The integrated 12-bit ADC samples PV panel voltage and current for MPPT at 10 kHz, while the PWM module drives the DC-DC and DC-AC conversion stages. The 64 KB Flash stores MPPT lookup tables and protection routines (anti-islanding, over/under-voltage, over-temperature). The compact 28-QFN-S 6 x 6 mm package fits behind-the-panel microinverter modules. The 3.0 V to 3.6 V supply range allows direct regulation from the PV panel's 5 V to low common-bus rail.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP64MC202T-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP64MC202-I/MM | PIC24EP64MC202T-E/MM | PIC24EP32MC202T-I/MM | dsPIC33EP64MC202-I/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 |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C |
| DSP Engine | No (PIC24E core) | No (PIC24E core) | No (PIC24E core) | No (PIC24E core) | Yes (dsPIC33E core with DSP) |
| Motor-Control PWM | Yes (high-resolution) | Yes (high-resolution) | Yes (high-resolution) | Yes (high-resolution) | Yes (high-resolution) |
Key Differentiators
- Industrial-grade temperature rating in standard QFN-28 footprint (vs PIC24EP64MC202T-E/MM)
- Pure PIC24E core without DSP instructions for simpler toolchain (vs dsPIC33EP64MC202-I/MM)
- Larger 64 KB Flash for complex motor-control firmware (vs PIC24EP32MC202T-I/MM)
Design Notes
Estimated: the 28-QFN-S 6 x 6 mm package has a theta_JA of approximately 35 C/W on a standard 4-layer JEDEC test PCB (per Microchip package thermal data). At 70 MIPS full CPU load with 3.3 V supply and all peripherals active, core current is approximately 30 mA, dissipating 100 mW - well within the package rating. Solder the exposed thermal pad (EP) to a continuous ground pour on the top layer with at least 8 thermal vias to the inner ground plane for optimal heat dissipation. The MCU self-heats minimally because motor-control firmware typically keeps the CPU in low-power idle during PWM-only operation.
Per Microchip PIC24EP family design guidelines, AVDD and VDD must each be decoupled with a 10 uF + 0.1 uF ceramic capacitor pair placed within 5 mm of the respective pins. AVSS and VSS should be tied to a single ground plane at one point near the MCU to avoid ground loops in the analog ADC readings. Use a ferrite bead or pi-filter between the digital 3.3 V regulator output and the AVDD pin if the same rail powers noisy digital circuitry; this protects the 12-bit ADC's 1 LSB accuracy during PWM edges.
Route the PWM output traces as differential pairs (PWMxH/PWMxL) with matched length and 50 ohm characteristic impedance to the gate driver inputs. Per Microchip hardware design guidelines, keep the oscillator crystal within 5 mm of OSC1/OSC2 with a grounded guard ring, and place the 22 pF load capacitors close to the crystal. Avoid routing analog signals (ADC inputs) directly under PWM traces or under the MCU's exposed pad to minimize capacitive coupling of switching noise into the ADC samples.
Common pitfalls when designing with PIC24EP64MC202T-I/MM: (1) Forget to configure the JTAG/TRST pin as a GPIO - on PIC24EP devices the JTAG pins are multiplexed and may need to be disabled in configuration bits to free them as I/O. (2) Leave the AVDD pin unpowered while the digital VDD is up - this violates absolute maximum ratings and can damage the ADC. (3) Use the internal FRC oscillator for UART/UART-requiring - FRC accuracy is ~100 KHz accuracy over the full bandwidth, which exceeds the RS-232/RS-485 baud-rate tolerance for asynchronous communication requiring <50 KHz accuracy. (4) Forget to enable the PWM fault input - motor-control PWMs default to immediate shutdown on fault assertion, but this must be configured in firmware.
Compliance Information
RoHS and REACH compliant per Microchip environmental compliance documentation. The -I grade is industrial (-40C to +85C) but is not AEC-Q100 qualified; for AEC-Q100 automotive applications use PIC24EP64MC202T-E/MM (extended temperature grade).
