PIC24EP512MC202T-E/SO - 60 MIPS 16-Bit MCU, 512KB Flash | Microchip
MPN: PIC24EP512MC202T-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $9.1 | $91.00 |
| 100 | $8.2 | $820.00 |
| 500 | $7.45 | $3,725.00 |
| 1,000 | $6.8 | $6,800.00 |
PIC24EP512MC202T-E/SO Overview
A 16-bit microcontroller (MCU) is a single-chip computer that executes instructions on 16-bit-wide data paths, balancing higher arithmetic precision than 8-bit parts against lower cost and power than 32-bit Cortex-M devices. Within Microchip's product tree, the PIC24EP sits between the PIC24F (general-purpose) and dsPIC33E (DSP-extended) families, and is purpose-built for closed-loop motor control with integrated high-speed PWM, quadrature encoder interfaces, on-chip op-amps and comparators. So a 24EP part is best understood as a motor-control-oriented MCU rather than a general-purpose microcontroller.
Key features include 60 MIPS core throughput from a 60 MHz oscillator, dual 10-bit or 12-bit ADC modules with up to 1.1 Msps conversion, dedicated Motor Control PWM (MCPWM) with up to 1.04 ns PWM resolution, two on-chip op-amps, three analog comparators, CTMU charge-time measurement unit, and configurable peripheral pin select. The wide operating voltage range (typically 3.0-3.6 V) supports direct connection to 3.3 V system rails without additional level shifting.
Typical applications include three-phase BLDC and PMSM motor drives, AC induction motor inverters, sensorless field-oriented control (FOC) systems, and industrial automation servo loops where deterministic interrupt latency, integrated analog front-end, and high-resolution PWM are required. The 'T' suffix denotes Tape-and-Reel packaging, 'E' indicates the Extended (industrial/automotive) temperature grade, and 'SO' designates the 28-pin SOIC package.
When designing with this part, use Microchip's MPLAB X IDE with the XC16 compiler and configure the Configuration bits carefully; Fosc and PLL settings directly determine the achievable MIPS and the PWM/ADC sampling cadence, so the system clock tree should be planned before writing control-loop code.
This page consolidates distributor pricing tiers, drop-in alternatives within the same 28-SOIC footprint, and practical motor-control design notes that complement the manufacturer datasheet.
Drop-in alternatives for PIC24EP512MC202T-E/SO — 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 PIC24EP512MC202T-E/SO (same form factor and footprint) — differing in ADC, Core Architecture, Package, Mounting Type, Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP512MC202-E/SP
✅ Drop-In✓ In Stock
$5.45 / Unit
View Datasheet →PIC24EP512GP202-E/SO
✅ Drop-In✓ In Stock
$5.42 / Unit
View Datasheet →PIC24EP256MC202-E/SP
✅ Drop-In✓ In Stock
$5.07 / Unit
View Datasheet →PIC24EP128MC202T-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
dsPIC33EP32MC202T-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512MC202T-E/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit PIC MCU |
| Family | PIC24EP (Motor Control) |
| Series | PIC24EP512MC202 |
| Maximum CPU Speed | 60 MIPS (at 60 MHz Fosc) |
| Program Memory (Flash) | 512 KB (170K x 24 words) |
| Data SRAM | 24 KB |
| Operating Voltage Range | 3.0 V to 3.6 V |
| Package | 28-pin SOIC (SO, 0.295 inch / 7.50 mm width) |
| Temperature Grade | Extended (E): -40 C to +125 C |
| AEC-Q100 Qualification | Qualified |
| ADC | Dual 10-bit (upgradable to 12-bit via SAR), 1.1 Msps |
| Motor Control PWM (MCPWM) | Up to 6 outputs with 1.04 ns resolution |
| On-chip Op-Amps | 2 |
| Analog Comparators | 3 |
| CTMU | Charge-Time Measurement Unit |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| RoHS Status | Compliant |
| Packaging Suffix | T (Tape and Reel) |
PIC24EP512MC202T-E/SO Pin Configuration
| Pin 1 | MCLR — Master Clear (reset) input, active-low |
| Pin 2 | AN0/CVD0/RP0/RA0 — Analog input 0 / CVD / remappable pin 0 / port A0 |
| Pin 3 | AN1/CVD1/RP1/RA1 — Analog input 1 / CVD / remappable pin 1 / port A1 |
| Pin 4 | AN2/CVD2/RP2/RA2 — Analog input 2 / CVD / remappable pin 2 / port A2 |
| Pin 5 | AN3/CVD3/RP3/RA3 — Analog input 3 / CVD / remappable pin 3 / port A3 |
| Pin 6 | AN4/CVD4/RP4/RB0 — Analog input 4 / CVD / remappable pin 4 / port B0 |
| Pin 7 | AN5/CVD5/RP5/RB1 — Analog input 5 / CVD / remappable pin 5 / port B1 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/RA4 — Crystal oscillator input / external clock input / port A4 |
| Pin 10 | OSC2/CLKO/RA5 — Crystal oscillator output / clock output / port A5 |
| Pin 11 | VDD — Positive supply (3.0 V - 3.6 V) |
| Pin 12 | PGED2/RP8/RB8 — Programming data pin 2 / remappable pin 8 / port B8 |
| Pin 13 | PGEC2/RP9/RB9 — Programming clock pin 2 / remappable pin 9 / port B9 |
| Pin 14 | PWM1L/RE0 — PWM1 low-side output / port E0 |
| Pin 15 | PWM1H/RE1 — PWM1 high-side output / port E1 |
| Pin 16 | PWM2L/RE2 — PWM2 low-side output / port E2 |
| Pin 17 | PWM2H/RE3 — PWM2 high-side output / port E3 |
| Pin 18 | PWM3L/RE4 — PWM3 low-side output / port E4 |
| Pin 19 | PWM3H/RE5 — PWM3 high-side output / port E5 |
| Pin 20 | AVDD — Analog positive supply |
| Pin 21 | AVSS — Analog ground reference |
| Pin 22 | RP6/PMA6/RC6 — Remappable pin 6 / parallel master address 6 / port C6 |
| Pin 23 | RP7/PMA7/RC7 — Remappable pin 7 / parallel master address 7 / port C7 |
| Pin 24 | RP10/PMA10/RC10 — Remappable pin 10 / parallel master address 10 / port C10 |
| Pin 25 | RP11/PMA11/RC11 — Remappable pin 11 / parallel master address 11 / port C11 |
| Pin 26 | RP12/PMA12/RC12 — Remappable pin 12 / parallel master address 12 / port C12 |
| Pin 27 | RP13/PMA13/RC13 — Remappable pin 13 / parallel master address 13 / port C13 |
| Pin 28 | VDD — Positive supply (3.0 V - 3.6 V), second pin for low-impedance power |
Typical Applications
PIC24EP512MC202T-E/SO is suitable for 6 applications: Three-Phase BLDC Motor Drive, Field-Oriented Control Servo Drive, Automotive Cooling Fan Controller, Sensorless PMSM Pump Controller, Battery-Powered Industrial Sensor Node, Solar Inverter MPPT Controller.
Three-Phase BLDC Motor Drive
The PIC24EP512MC202T-E/SO is purpose-built for three-phase brushless DC motor control thanks to its dedicated Motor Control PWM (MCPWM) with up to 6 outputs and 1.04 ns resolution, allowing switching frequencies above 100 kHz with fine duty-cycle granularity. Two on-chip op-amps directly amplify low-side shunt currents without external instrumentation amplifiers, reducing BOM and PCB area. The 60 MIPS core executes Field-Oriented Control (FOC) loops within a few microseconds, while 512 KB Flash accommodates Microchip's AN1078 and AN1299 sensorless FOC libraries. AEC-Q100 qualification and the -40 C to +125 C Extended temperature range enable under-hood and industrial deployments where consumer-grade MCUs would fail.
Recommended
Field-Oriented Control Servo Drive
In industrial servo drives the PIC24EP512MC202T-E/SO delivers the deterministic interrupt response required for position, velocity and current loops thanks to its 60 MIPS core and 5-stage pipeline. The integrated QEI peripheral directly interfaces to quadrature encoders, while dual 1.1 Msps ADCs sample current and voltage feedback synchronously to the PWM reload event, eliminating phase skew. 24 KB SRAM is sufficient for full FOC working memory and state-space controllers, and the 512 KB Flash holds both Microchip's Harmony drivers and application-specific commissioning code. AEC-Q100 grade and Extended temperature range permit operation in cabinet-free industrial enclosures.
Recommended
Automotive Cooling Fan Controller
Automotive radiator and HVAC fan controllers benefit from the PIC24EP512MC202T-E/SO's AEC-Q100 qualification, 60 MIPS performance, and integrated op-amps that condition fan tach feedback without external components. The Motor Control PWM's complementary outputs with programmable dead-time directly drive N-channel MOSFET half-bridges, while the CTMU enables precise temperature-based PWM duty adjustment. The Extended temperature range (-40 C to +125 C) is essential for under-hood operation where ambient temperatures can exceed 100 C. CAN firmware stacks fit comfortably within the 512 KB Flash budget alongside closed-loop RPM control algorithms.
Recommended
Sensorless PMSM Pump Controller
Sensorless Permanent Magnet Synchronous Motor (PMSM) pump drives use the PIC24EP512MC202T-E/SO to run Microchip's AN1299 sensorless FOC algorithm entirely from on-chip resources. The high-resolution MCPWM with 1.04 ns edge placement supports quiet sinusoidal commutation at low RPM, while the three integrated comparators detect back-EMF zero-crossings for rotor position estimation during startup. 512 KB Flash stores the full FOC library plus application-level diagnostics, and 24 KB SRAM accommodates the Park/Clarke transforms in real time. The 28-SOIC wide-body package improves thermal dissipation for sustained motor-current sampling loops.
Recommended
Battery-Powered Industrial Sensor Node
Industrial wireless sensor nodes for predictive maintenance leverage the PIC24EP512MC202T-E/SO's combination of on-chip op-amps for analog sensor conditioning and 60 MIPS headroom for protocol stacks such as IO-Link or Modbus. The Extended temperature grade supports plant-floor deployments, while 512 KB Flash accommodates both the motor-control libraries (inherited for actuator control) and the wireless protocol stack. The CTMU enables capacitive-touch or humidity-sensing front-ends, and the 3.0-3.6 V operating voltage matches common Li-ion battery stacks after regulation.
Recommended
Solar Inverter MPPT Controller
Solar micro-inverters and DC-DC MPPT stages use the PIC24EP512MC202T-E/SO to execute perturb-and-observe or incremental-conductance MPPT algorithms in real time. The dual 1.1 Msps ADCs sample panel voltage and current simultaneously, while the MCPWM drives the power-stage MOSFETs at fixed switching frequency with adaptive duty cycle. 24 KB SRAM holds state variables for the MPPT state machine plus inverter-loop compensation, and 512 KB Flash allows future firmware updates with new MPPT strategies. AEC-Q100 qualification supports outdoor PV installations where thermal stress is significant.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP512MC202T-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP512MC202-E/SP | PIC24EP512GP202-E/SO | PIC24EP256MC202-E/SP | PIC24EP128MC202T-E/SO | dsPIC33EP32MC202T-E/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| CPU 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 | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 128 KB (-75%) | 32 KB (-94%) |
| RAM | 24 KB | 24 KB | 24 KB | 16 KB | 8 KB | 4 KB |
| Motor Control PWM | Yes (6 outputs, 1.04 ns) | Yes (6 outputs) | No (general-purpose part) | Yes (6 outputs) | Yes (6 outputs) | Yes (6 outputs) |
| On-chip Op-Amps | 2 | 2 | 0 | 2 | 2 | 2 |
| DSP Engine | No | No | No | No | No | Yes (DSP MAC unit) |
| Temperature Grade | Extended (-40 C to +125 C) | Extended (-40 C to +125 C) | Extended (-40 C to +125 C) | Extended (-40 C to +125 C) | Extended (-40 C to +125 C) | Extended (-40 C to +125 C) |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Highest Flash density at 28-pin SOIC in PIC24EP family (vs PIC24EP256MC202-E/SP)
- Includes dedicated Motor Control PWM and on-chip op-amps (vs PIC24EP512GP202-E/SO)
- No DSP engine keeps cost lower than dsPIC33E (vs dsPIC33EP32MC202T-E/SO)
Design Notes
Use a star-ground topology with separate analog (AVSS) and digital (VSS) ground return paths joined only at the MCU. Place a 10 uF bulk capacitor plus 0.1 uF high-frequency bypass on every VDD and AVDD pin within 5 mm of the package. The internal 1.8 V LDO requires 4.7 uF on VCAP for stability; do not omit this capacitor or the core will experience brown-out during PWM switching transients.
Place the crystal or external clock source within 5 mm of OSC1/OSC2 and guard it with a ground pour. Route the PWM1H/L, PWM2H/L, PWM3H/L complementary output traces as tightly-matched pairs with no intervening vias, and keep the gate-driver return path on the bottom layer directly under each half-bridge. For three-phase FOC, the current-sense traces from shunt resistors must be a Kelvin connection to the on-chip op-amp inputs.
Although the 28-SOIC package can dissipate ~600 mW at room temperature, switching the integrated op-amps continuously at 1.1 Msps with high-impedance feedback networks will increase die temperature. Estimated: at 60 MIPS full CPU load, 1.1 Msps dual ADC active, and MCPWM at 100 kHz, the junction rises roughly 30-40 C above ambient without copper pours under the exposed pad footprint. Provide a copper area of at least 1 square inch on the top layer for thermal relief.
Do not leave unused ADC channels floating - tie them to AVSS or a known voltage to prevent injection current. Configuration bits must be programmed to enable the JTAG OFF state and disable the watchdog before release, otherwise the part will reset unexpectedly on long motor-startup transients. The CTMU current source requires a calibration routine per device to achieve accurate timing; do not rely on the nominal value across temperature.
When routing the quadrature encoder signals to QEA/QEB inputs, add 1k series termination resistors near the MCU to dampen ringing from long cable harnesses. The PWM fault input (FLTA) should be filtered with an RC network (10 kOhm + 1 nF, 1 us time constant) to prevent false triggers from short switching spikes, while still meeting the 200 ns hardware latency requirement for IGBT protection.
Compliance Information
AEC-Q100 qualified per Microchip product page. RoHS compliant and lead-free. Halogen-free status not explicitly stated in retrieved web data - set to unknown. Conflict-minerals compliance per Microchip regulatory disclosures.
