PIC24EP256MC202-I/SO - 70 MIPS 256KB Flash MCU | Microchip
부품 번호: PIC24EP256MC202-I/SO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.5 | $65.00 |
| 100 | $5.75 | $575.00 |
| 500 | $5.1 | $2,550.00 |
| 1,000 | $4.55 | $4,550.00 |
PIC24EP256MC202-I/SO 개요
A 16-bit microcontroller (MCU) is a single-chip processor with on-chip Flash program memory, SRAM, and peripherals designed for embedded real-time control. The PIC24EP family belongs to the broader dsPIC/PIC24 16-bit MCU family using a Modified Harvard architecture with a 16-bit datapath and DSP-friendly instructions. Compared with 8-bit MCUs, PIC24EP parts deliver higher throughput for closed-loop control loops; compared with 32-bit Cortex-M parts, they offer a deterministic instruction set with smaller code footprints for many real-time motor-control algorithms.
Key features of the PIC24EP256MC202-I/SO include 256 KB Flash (85.5K x 24), 32 KB SRAM, 70 MIPS at 60 MHz CPU clock, integrated dual 10-bit op-amps with programmable gain, two analog comparators, a 6-channel high-speed PWM (Motor Control PWM, MCPWM) module with up to 1 ns edge resolution, quadrature encoder interface (QEI), and a Peripheral Trigger Generator (PTG). Communication peripherals include SPI, I2C, UART, and ECAN. The 28-SOIC package exposes 21 GPIO and supports 5 V tolerant inputs on many pins.
Architecturally, the device uses a Modified Harvard core with hardware multiply/divide and DSP instructions, achieving 70 MIPS at 60 MHz. On-chip analog (op-amps and comparators) eliminates external signal-conditioning components for current sensing in field-oriented control (FOC) loops, reducing BOM and PCB area in motor drives.
Typical applications include brushless DC (BLDC) motor control, permanent magnet synchronous motor (PMSM) drives, servo control, industrial fans and pumps, and low-end variable-frequency drives (VFDs). When designing, route analog op-amp inputs with short traces and a guard ring; place the MCPWM outputs away from analog inputs to minimize switching noise coupling into current-sense channels.
드롭인 대체품: PIC24EP256MC202-I/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC24EP256MC202-I/SO (동일 폼 팩터 및 풋프린트) — 차이점: Package, Operating Temperature, Core Architecture, ADC, Program Memory (Flash).
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC24EP256MC202-H/SO
✅ 드롭인✓ 재고 있음
$5.34 / 개
데이터시트 보기 →PIC24EP128MC202T-I/SO
✅ 드롭인✓ 재고 있음
$4.05 / 개
데이터시트 보기 →DSPIC33EP256MC202-I/SO
✅ 드롭인✓ 재고 있음
$3.48 / 개
데이터시트 보기 →PIC24EP256MC202-I/SO 최대 정격 & 전기적 특성
| Core Architecture | PIC24E (16-bit Modified Harvard) |
| CPU Speed | 70 MIPS at 60 MHz |
| Program Memory | 256 KB Flash (85.5K x 24) |
| Data Memory | 32 KB SRAM |
| Operating Voltage | 3.0 V to 3.6 V |
| 동작 온도 | -40C to +85C (Industrial) |
| 패키지 | 28-pin SOIC (SO) |
| GPIO | 21 |
| PWM Channels | 6 (Motor Control PWM, MCPWM) |
| Analog Comparators | 2 |
| On-chip Op-Amps | 2 (programmable gain) |
| Quadrature Encoder Interface | Yes (QEI) |
| Peripheral Trigger Generator | Yes (PTG) |
| Communication | SPI, I2C, UART, ECAN |
| ADC | 10-bit (per datasheet family) |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
| Lead-Free | Yes |
PIC24EP256MC202-I/SO 28-pin soic (so) 핀 구성 가이드
PIC24EP256MC202-I/SO(28-pin soic (so) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: PIC24EP256MC202-I/SO.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
PIC24EP256MC202-I/SO 적합 용도: 6 애플리케이션s: BLDC Motor Field-Oriented Control (FOC), Permanent Magnet Synchronous Motor (PMSM) Drive, Industrial Fans and Pumps Variable-Speed Drives, Servo Control and Robotics, Low-Power Inverter for Solar and Battery Systems, HVAC and White Goods Compressor Drives.
BLDC Motor Field-Oriented Control (FOC)
The PIC24EP256MC202-I/SO is purpose-built for BLDC and PMSM motor drives using field-oriented control. Its 70 MIPS core runs a 10-20 kHz FOC control loop with Park/Clarke transforms and PI regulators, while the 6-channel MCPWM with 1 ns edge resolution drives the three-phase inverter. The dual integrated op-amps amplify shunt-resistor current signals directly on-chip, removing external signal conditioning. The QEI accepts incremental encoder A/B/index signals up to several MHz. This integration enables a complete sensorless or sensored FOC BLDC drive on a single MCU, with PCB area below 25 x 25 mm.
추천
Permanent Magnet Synchronous Motor (PMSM) Drive
For PMSM servo and industrial drives, the PIC24EP256MC202-I/SO combines enough MIPS to run a vector-control loop and supports sinusoidal commutation with torque-per-amp optimization. The on-chip op-amps and comparators handle current sensing and over-current protection in real time, enabling 50-100 us response time. The QEI and PTG (Peripheral Trigger Generator) reduce CPU load by offloading timing-critical ADC triggering and PWM sequencing. Industrial drives up to 1-2 kW can be controlled directly from this MCU with an external gate driver and power stage.
추천
Industrial Fans and Pumps Variable-Speed Drives
Variable-speed fans and pumps benefit from the PIC24EP256MC202-I/SO's MCPWM, op-amps, and low BOM count. A typical V/Hz or sensorless FOC implementation fits within 64-128 KB of the available 256 KB Flash. The integrated op-amps measure DC bus current and temperature, while the ECAN interface enables Modbus or CANopen fieldbus connectivity. The 28-SOIC industrial-grade operating range (-40C to +85C) suits fan/pump installations in enclosures. A complete 100 W sensorless fan drive can be implemented with one MCU, one gate driver, and one inverter stage.
추천
Servo Control and Robotics
Robotic servo and CNC axis controllers use the PIC24EP256MC202-I/SO to handle multiple motor axes via the MCPWM and QEI. Each axis typically consumes 4 PWM channels and 3 QEI signals; the MCU can drive 1-2 axes independently with cascade position/velocity/torque loops. The PTG module enables synchronized multi-axis timing without CPU intervention. With 70 MIPS of headroom, a single MCU can run 4 kHz current loops for two axes plus a host-side EtherCAT or CAN command interface, reducing the bill of materials for small robotic arm controllers.
추천
Low-Power Inverter for Solar and Battery Systems
Low-end solar micro-inverters and battery-powered motor controllers benefit from the PIC24EP256MC202-I/SO's 3.3 V supply and 16-bit ADC. The MCU can implement MPPT or battery current regulation alongside a single motor or PV stage. The integrated op-amps condition current and voltage sensors, and the ECAN port enables connection to a system-level energy-management bus. The 256 KB Flash supports safety-state machines and grid-tie firmware updates where applicable, while the 28-SOIC package enables compact PCB layouts in portable enclosures.
추천
HVAC and White Goods Compressor Drives
Compressor drives in HVAC and white-goods appliances use the PIC24EP256MC202-I/SO for sensorless or sensored FOC of the compressor motor. The integrated MCPWM drives the three-phase IPM (Intelligent Power Module), and the on-chip comparators provide fast hardware over-current protection independent of CPU latency. The 32 KB SRAM accommodates adaptive-control and self-tuning loops. Combined with the 28-SOIC footprint, this MCU enables compact inverter boards for refrigerator compressors, air-conditioner outdoor units, and heat-pump drives up to 1.5 kW.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC24EP256MC202-I/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC24EP256MC202-H/SO | PIC24EP128MC202T-I/SO | dsPIC33EP256MC202-I/SO |
|---|---|---|---|---|
| Package | 28-SOIC (SO) | 28-SOIC (SO) | 28-SOIC (SO) | 28-SOIC (SO) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 128 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB |
| CPU Speed | 70 MIPS (60 MHz) | 70 MIPS (60 MHz) | 70 MIPS (60 MHz) | 70 MIPS (60 MHz) |
| DSP Engine | No (PIC24 base) | No | No | Yes |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +150C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| On-chip Op-Amps | 2 | 2 | 2 | 2 |
주요 차별점
- Integrated dual op-amps and dual comparators reduce external analog BOM (vs PIC24EP256GP202-I/SO)
- Motor-control-optimized PWM with 1 ns edge resolution (vs PIC24EP128GP202-I/SO)
- 256 KB Flash provides headroom for full FOC with adaptive control loops (vs PIC24EP128MC202T-I/SO)
설계 노트
Power the PIC24EP256MC202-I/SO from a regulated 3.3 V rail capable of at least 100 mA continuous current for the MCU core plus GPIO drive. A low-noise LDO (MCP1700 or equivalent) with 1 uF + 0.1 uF decoupling on VDD/VSS pin pairs is recommended. Place the 0.1 uF capacitor within 2-3 mm of each VDD pin to suppress switching transients from the MCPWM outputs, which can corrupt ADC readings if not bypassed.
At 60 MHz full activity, the PIC24EP256MC202-I/SO dissipates roughly 30-50 mW internally. In the 28-SOIC package (theta_JA approximately 70-80 C/W), this is well within the industrial -40C to +85C envelope without heatsinking. However, in enclosed designs with limited airflow or extended-temperature environments, derate by reducing CPU clock or enabling idle modes. Estimated: thermal resistance based on standard SOIC-28 JEDEC EIA/JESD51 layout.
Route analog op-amp inputs and current-sense traces as short differential pairs with a ground guard ring to avoid digital switching noise coupling into the ADC. Place the MCPWM outputs and their gate-driver traces on a different PCB layer from the analog inputs. Keep ADC reference decoupling (1 uF + 0.1 uF) within 5 mm of the AVSS pin. A four-layer PCB with a dedicated ground plane is recommended for high-side gate-drive switching currents above 10 A.
Do not connect MCLR (pin 1) directly to VDD without a 10 kohm pull-up resistor; leaving it floating may cause unintended resets. Ensure the oscillator crystal load capacitors match the crystal manufacturer's specification - typically 15-22 pF for 8 MHz fundamental mode crystals used with the PLL to synthesize 60 MHz. Finally, configure unused GPIO pins as outputs driven low rather than inputs to reduce current consumption and EMI.
규정 준수 정보
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (I) covers -40C to +85C; -H grade is required for AEC-Q100-style automotive usage.
