PIC24EP32MC202-I/MM - 70 MIPS 16-bit Motor Control MCU | Microchip
N.º da peça: PIC24EP32MC202-I/MM ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.2 | $4,20 |
| 10 | $3.78 | $37,80 |
| 100 | $3.36 | $336,00 |
| 500 | $2.99 | $1.495,00 |
| 1.000 | $2.65 | $2.650,00 |
PIC24EP32MC202-I/MM Visão geral
A 16-bit microcontroller is a single-chip computer with a 16-bit data path, register file and ALU that offers a strong middle ground between 8-bit MCUs (cost-effective, simple) and 32-bit MCUs (highest performance). Within the embedded taxonomy, the PIC24EP32MC202 belongs to the PIC24E family -> dsPIC33/PIC24 16-bit MCU class -> 16-bit microcontrollers -> microcontrollers (MCU) -> embedded microcontrollers -> semiconductor ICs. It uses a Harvard architecture with separate program and data buses, allowing simultaneous fetch and operand access for deterministic real-time control.
Key features of this part include an integrated 70 MIPS core (60 MHz FCY per industry listings), dedicated Motor Control PWM (MCPWM) with high-resolution edge placement, QEI for direct encoder feedback, on-chip op-amps for current sensing, comparators for back-EMF detection, and a flexible Peripheral Trigger Generator (PTG) for hardware state-machine driven sequencing. The 28-QFN package provides a low thermal resistance pad for high-current drive stages and supports operation over the -40C to +85C industrial range.
The PIC24E core uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, allowing most instructions to execute in a single cycle. On-chip peripherals are mapped through a Peripheral Pin Select (PPS) scheme, simplifying PCB routing by allowing digital function remapping. Internal oscillators and a PLL reduce external component count.
Typical applications include sensorless and sensored BLDC motor drives, PMSM field-oriented control (FOC), industrial servo drives, drone ESC controllers and automotive HVAC blowers. The integrated op-amps and comparators reduce the external analog front-end, while the PTG offloads timing-critical sequencing from the CPU.
When designing with this part, ensure the exposed pad (EP) is soldered to a sufficient copper pour to meet thermal and electrical performance. Use Microchip's MPLAB X IDE and MPLAB XC16 compiler for development. The 'I' suffix indicates the -40C to +85C industrial temperature grade.
This page synthesizes distributor stock, parametric specifications, drop-in alternatives and practical design notes that complement - and where useful extend - the official Microchip datasheet.
Alternativas drop-in para PIC24EP32MC202-I/MM — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC24EP32MC202-I/MM (mesmo formato e footprint) — diferindo em Package, Operating Temperature, ADC, Mounting Type, RAM.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC24EP32MC202-E/MM
✅ Drop-In✓ Em estoque
$2.78 / unidade
Ver ficha técnica →PIC24EP32MC202-I/SP
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.34 / unidade
Ver ficha técnica →PIC24EP32MC202-E/SP
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.38 / unidade
Ver ficha técnica →DSPIC33EP32MC202-I/MM
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.25 / unidade
Ver ficha técnica →DSPIC33EP32MC202-E/MM
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.3 / unidade
Ver ficha técnica →PIC24EP32MC202-I/MM Classificações máximas e características elétricas
| Architecture | PIC24E (16-bit MCU) |
| Core MIPS | 70 MIPS |
| CPU Speed (MIPS) | 70 MIPS |
| Program Memory (Flash) | 32 KB (10.7K x 24) |
| RAM | 4 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Frequency | 70 MHz (max) |
| Motor Control PWM (MCPWM) | Yes (high-speed) |
| Quadrature Encoder Interface (QEI) | Yes |
| Operational Amplifiers | 2 internal |
| Analog Comparators | 3 |
| Peripheral Trigger Generator (PTG) | Yes |
| Temperatura de operação | -40C to +85C (industrial, 'I' grade) |
| Encapsulamento | 28-QFN-S (MM) 6x6 mm with exposed pad |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do PIC24EP32MC202-I/MM
| Pino 1 | SDA1/RG3 — I2C data / port pin (PPS remappable) |
| Pino 2 | SCL1/RG2 — I2C clock / port pin (PPS remappable) |
| Pino 3 | RP15/RB15 — Remappable peripheral / port pin RB15 |
| Pino 4 | RP14/RB14 — Remappable peripheral / port pin RB14 |
| Pino 5 | RP13/RB13 — Remappable peripheral / port pin RB13 |
| Pino 6 | RP12/RB12 — Remappable peripheral / port pin RB12 |
| Pino 7 | VDD — Positive supply (3.0 V to 3.6 V) |
| Pino 8 | VSS — Ground reference |
| Pino 9 | OSCI/RC12 — Crystal oscillator input / port pin |
| Pino 10 | OSCO/RC15 — Crystal oscillator output / port pin |
| Pino 11 | RP11/RB11 — Remappable peripheral / port pin RB11 |
| Pino 12 | RP10/RB10 — Remappable peripheral / port pin RB10 |
| Pino 13 | RP9/RB9 — Remappable peripheral / port pin RB9 |
| Pino 14 | RP8/RB8 — Remappable peripheral / port pin RB8 |
| Pino 15 | PGED1/RP7/RB7 — Programming data / remappable peripheral / port pin |
| Pino 16 | PGEC1/RP6/RB6 — Programming clock / remappable peripheral / port pin |
| Pino 17 | RP5/RB5 — Remappable peripheral / port pin RB5 |
| Pino 18 | RP4/RB4 — Remappable peripheral / port pin RB4 |
| Pino 19 | AN17/C1INA/RP3/RB3 — Analog input / comparator input / remappable pin |
| Pino 20 | AN18/C1INB/RP2/RB2 — Analog input / comparator input / remappable pin |
| Pino 21 | AN19/C2INA/RP1/RB1 — Analog input / comparator input / remappable pin |
| Pino 22 | AVSS — Analog ground |
| Pino 23 | AVDD — Analog supply (3.0 V to 3.6 V) |
| Pino 24 | RP0/RB0 — Remappable peripheral / port pin RB0 |
| Pino 25 | PWM1L/RE0 — PWM output 1 low / port pin RE0 |
| Pino 26 | PWM1H/RE1 — PWM output 1 high / port pin RE1 |
| Pino 27 | PWM2L/RE2 — PWM output 2 low / port pin RE2 |
| Pino 28 | PWM2H/RE3 — PWM output 2 high / port pin RE3 |
Aplicações típicas
PIC24EP32MC202-I/MM é adequado para 8 aplicaçãos: Sensorless BLDC Motor Drive, PMSM Field-Oriented Control (FOC), Industrial Servo Drive, Drone ESC (Electronic Speed Controller), Automotive HVAC Blower and Pump Control, Home Appliance Variable-Speed Motor, Industrial Fan and Pump Controller, Power Tool Brushless Motor Drive.
Sensorless BLDC Motor Drive
The PIC24EP32MC202-I/MM is well-matched to sensorless BLDC motor drives thanks to its 70 MIPS throughput, integrated MCPWM with high-resolution edge placement and three on-chip comparators for back-EMF zero-crossing detection. The 32 KB Flash is sufficient for sensorless startup algorithms, BEMF commutation tables and PI speed-loop state machines. The QEI peripheral supports optional sensored fallback. Two integrated op-amps can be configured as transimpedance amplifiers for low-side shunt current sensing, removing external analog stages. Compared with an 8-bit MCU solution, the PIC24E's 70 MIPS enables 50 us current loops at 20 kHz PWM, while the 28-QFN (MM) 6x6 mm footprint fits inside compact inline ESC modules for fans, pumps and small appliances.
Recomendado
PMSM Field-Oriented Control (FOC)
The PIC24EP32MC202-I/MM supports PMSM FOC applications where Clarke/Park transforms, inverse transforms, space-vector modulation and PI current loops must execute in real time. The 70 MIPS core runs FOC at 10-20 kHz control rates with comfortable headroom for speed/torque outer loops. The on-chip op-amps interface directly to phase-current shunts, and the MCPWM outputs drive a 3-phase inverter through gate drivers. The 28-QFN exposed pad provides thermal relief for hot-running FOC boards. The 4 KB RAM is sufficient for FOC working variables (Ialpha/Ibeta, Id/Iq, sin/cos LUT entries). For higher-performance FOC designs with encoder feedback, upgrade to PIC24EP256MC206-I/PT from the same family with more Flash and I/O.
Recomendado
Industrial Servo Drive
The PIC24EP32MC202-I/MM fits compact industrial servo drives where the 28-QFN (MM) footprint, 70 MIPS and QEI combine into a tight motion-control loop. QEI reads incremental encoder feedback directly, MCPWM generates high-resolution PWM for the power stage, and the integrated op-amps handle analog current sensing. Industrial servo performance benefits from the device's deterministic single-cycle instruction execution. The industrial temperature grade (-40C to +85C, 'I' suffix) supports factory-floor environments. Compare with PIC24EP32GP202-I/MM (no motor peripherals) when only digital I/O control is needed, or upgrade to PIC24EP128MC202-I/SO for additional Flash/RAM.
Recomendado
Drone ESC (Electronic Speed Controller)
The PIC24EP32MC202-I/MM is widely adopted in drone and multirotor ESC applications where 32 KB Flash, 70 MIPS and integrated MCPWM satisfy fast throttle-to-PWM latency. The 28-QFN-S (MM) package's 6x6 mm footprint allows high-density ESC PCB designs, while the exposed pad dissipates heat from nearby MOSFETs. The Peripheral Trigger Generator (PTG) offloads timing-critical ADC-PWM sync from the CPU, enabling consistent commutation timing even at high PWM rates. Drone ESC firmware from Microchip's application library (AN1078 sensorless FOC, AN1160 sensorless BLDC) targets exactly this part. The QEI peripheral supports optional optical encoder feedback for advanced gimbal motor control.
Recomendado
Automotive HVAC Blower and Pump Control
The PIC24EP32MC202-I/MM can drive small automotive HVAC blower motors and water/oil pumps where sensorless or sensored BLDC control reduces weight, noise and energy consumption versus brushed DC. The 32 KB Flash and 70 MIPS enable closed-loop speed control with soft-start, stall detection and fault handling. Note that the standard 'I' (industrial) grade targets -40C to +85C; for under-hood automotive environments at +125C, step up to PIC24EP32MC202-E/MM or an AEC-Q100 qualified variant. The 28-QFN (MM) package supports the small PCB footprints common in body-control modules and electric water pumps. The integrated comparators detect back-EMF for sensorless commutation, eliminating Hall sensors.
Recomendado
Home Appliance Variable-Speed Motor
The PIC24EP32MC202-I/MM is well-suited to home appliances such as washing-machine drum motors, dishwasher pumps, refrigerator compressors and range-hood fans. The integrated MCPWM, op-amps and comparators deliver a complete single-chip variable-frequency drive. Sensorless operation reduces Hall-sensor wiring and improves reliability. 32 KB Flash supports appliance-specific feature sets (load detection, dry-level sensing, automatic door interlock). The industrial -40C to +85C temperature grade handles under-counter appliance environments. The 28-QFN (MM) 6x6 mm exposed-pad package is compatible with conformal coating and high-humidity PCB finishes. Designers can use Microchip's AN1160 sensorless BLDC reference firmware as a starting point.
Recomendado
Industrial Fan and Pump Controller
The PIC24EP32MC202-I/MM is a strong match for industrial fan and pump controllers where energy-efficient variable-speed operation reduces operating cost. The MCPWM drives the three-phase bridge at adjustable switching frequency, the integrated op-amps sense current, and the QEI supports optional tachometer feedback for closed-loop speed control. The 32 KB Flash is sufficient for PID tuning menus, ramp profiles and fault diagnostics. The 28-QFN (MM) exposed-pad package allows a compact IPM-style layout where the MCU sits adjacent to the gate driver. Use the PTG to synchronize ADC sampling with PWM center, reducing current-sense noise. For higher-power three-phase PFC + inverter systems, consider PIC24EP256GP206-I/PT.
Recomendado
Power Tool Brushless Motor Drive
The PIC24EP32MC202-I/MM is a strong fit for cordless drill, impact driver and brushless saw controllers where 70 MIPS executes sensorless or sensored FOC algorithms at 20-40 kHz loop rates. The integrated MCPWM provides the high-resolution PWM required for low-speed torque ripple control, and the 2 internal op-amps interface directly to phase shunts. The QEI accepts Hall sensor or encoder signals. Industrial temperature grade suits workshop environments. The 32 KB Flash is enough for trigger-response curves, multi-mode operation (drill/driver) and battery-management state machines. Designers can pair the MCU with a 3-phase gate driver such as the MCP8025 family for a complete cordless tool controller reference design.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC24EP32MC202-I/MM — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC24EP32MC202-E/MM | PIC24EP32MC202-I/SP | dsPIC33EP32MC202-I/MM |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN-S (MM) 6x6 mm | 28-QFN-S (MM) 6x6 mm - same | 28-SPDIP (SP) - same family, THT | 28-QFN-S (MM) 6x6 mm - same |
| Architecture | PIC24E (16-bit MCU) | PIC24E (16-bit MCU) | PIC24E (16-bit MCU) | dsPIC33EP (16-bit MCU + DSP) |
| Core Speed | 70 MIPS / 70 MHz | 70 MIPS / 70 MHz | 70 MIPS / 70 MHz | 70 MIPS / 70 MHz |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB |
| Operating Temperature | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| DSP Engine | No (PIC24E MCU only) | No | No | Yes (dsPIC33EP adds DSP MAC instructions) |
| Integrated Op-Amps | 2 | 2 | 2 | 2 |
| QEI / MCPWM / PTG | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
Principais diferenciais
- Integrated analog front-end eliminates external op-amps (vs PIC24EP32GP202-I/MM)
- MCPWM with high-resolution edge placement (vs dsPIC30F family legacy MCUs)
- Peripheral Trigger Generator (PTG) offloads CPU (vs PIC24EP32GP202-I/MM)
- Same footprint between industrial and extended temp grades (vs PIC24EP32MC202-E/SP (THT variant))
Notas de projeto
The 28-QFN-S (MM) 6x6 mm package uses an exposed thermal pad that MUST be soldered to a copper pour on the PCB to meet the datasheet's thermal resistance specifications. For motor-control designs with high switching currents, use at least 1 square inch of 2 oz copper on the top layer connected to the EP. Without proper EP soldering, junction temperature can exceed +85C in industrial enclosures when driving continuous motor loads. Refer to Microchip's QFN package PCB layout guidelines in the package outline drawings.
Decouple the PIC24EP32MC202-I/MM with a 10 uF bulk capacitor and a 0.1 uF high-frequency ceramic on each VDD/AVDD pin pair. Place ceramic capacitors within 3 mm of the supply pins with wide, short traces. For motor-control designs, add a ferrite bead or small inductor between the digital VDD and analog AVDD to isolate switching-noise injection from the ADC reference. Connect VSS and AVSS at a single star point to avoid digital return currents flowing through the analog ground.
Route PWM signals (PWM1H/L, PWM2H/L, etc.) as short, matched-length traces to avoid timing skew between high-side and low-side FET turn-on. Keep analog current-sense traces (from shunt resistors through op-amp inputs) short and guarded by ground planes to minimize noise pickup. The PGED1/PGEC1 pins (15/16) used for ICSP programming must be accessible on the PCB via test points or a header for in-circuit programming and debug. Peripheral Pin Select (PPS) lets you remap digital peripherals, simplifying PCB routing - but configure PPS only once at startup.
Common pitfalls with PIC24EP32MC202-I/MM designs include: (1) Forgetting to solder the EP pad, leading to thermal failure; (2) Confusing 'I' (industrial -40C to +85C) with 'E' (extended -40C to +125C) for under-hood automotive use; (3) Omitting the configuration bits setting in code, causing the device to start with default oscillator that may not match the crystal; (4) Using incorrect ADC sampling relative to PWM center, leading to noisy current-sense readings - use the PTG to synchronize ADC with PWM; (5) Over-driving the I/O pins beyond the 25 mA source/sink limit per pin.
For QEI inputs on the PIC24EP32MC202-I/MM, use the internal pull-ups if mechanical encoders are connected with long cables, or external 4.7 kohm pull-ups for high-noise industrial environments. Apply input filtering in software (digital glitch filter on QEI inputs) to suppress contact bounce and EMI. The MCPWM dead-time generator should be configured with at least 200 ns of dead time to prevent shoot-through in the half-bridge when using fast MOSFETs. For three-phase inverters, use the MCPWM's complementary mode with hardware dead-time insertion for safety-critical switching.
Informações de conformidade
RoHS and lead-free status per Microchip product page; halogen-free status not confirmed in available web data. The standard I grade is not AEC-Q100 qualified - for automotive applications requiring AEC-Q100, contact Microchip for automotive-grade part numbers.
