PIC24EP128MC202T-I/SO - 16-bit MCU, 128KB Flash, 60MIPS | Microchip
MPN: PIC24EP128MC202T-I/SO ✓ Hoạt độngPIC24EP128MC202T-I/SO Tóm tắt
A PIC24E microcontroller is a 16-bit Modified Harvard architecture DSC (Digital Signal Controller) that combines MCU control logic with DSP-class multiply-accumulate (MAC) throughput. In the system hierarchy it sits above 8-bit MCUs (PIC16/PIC18) and below 32-bit Cortex-M devices, delivering deterministic real-time control for power-conversion and motor-drive loops while retaining low BOM cost.
Key features include up to 70 MIPS execution from a 60 MHz oscillator, dedicated Motor Control PWM (MCPWM) with up to 1.04 ns PWM resolution, four on-chip op-amps configurable as signal-conditioning front-ends, and high-speed comparators for current-shunt sensing. The 28 SOIC footprint exposes the integrated peripherals (UART, SPI, I2C, ECAN) needed for sensor feedback and host communication.
Architecturally, the PIC24EP128MC202 uses a 16-bit wide datapath with DSP engine and single-cycle MAC to handle field-oriented control (FOC) math in real time. The advanced analog subsystem reduces external components by integrating op-amps and comparators directly into the silicon, shortening feedback-loop latency for closed-loop torque and speed control.
Typical applications include BLDC/PMSM motor drives, sensored and sensorless FOC controllers, industrial inverters, fan and pump controllers, power-conversion boards (PFC + LLC), and sensor-fusion front-ends for robotics. The wide operating temperature range (-40C to +85C, industrial grade) suits harsh environments and automotive under-hood prototypes.
When designing with this part, allocate PCB area for the analog power rail because the internal op-amps require clean AVDD. Use Microchip's MPLAB X IDE with XC16 compiler for code generation, and validate motor-drive control loops with the dsPIC33/PIC24E motor-control application notes and the MPLAB Device Blocks for Simulink.
Bộ thay thế dễ dàng lắp đặt cho PIC24EP128MC202T-I/SO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC24EP128MC202T-I/SO (cùng hình factor và footprint) — khác nhau ở Package, ADC, Operating Temperature, Core Architecture, Program Memory (Flash).
PIC24EP128MC202T-E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP128MC202-I/SO
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Xem tài liệu →PIC24EP128MC202-E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP128GP202-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24EP128MC202T-E/MM
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24EP128MC202T-E/SS
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Xem tài liệu →PIC24EP128MC202T-I/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24E (16-bit Modified Harvard DSC) |
| Program Memory (Flash) | 128 KB |
| Data Memory (SRAM) | 16 KB |
| Maximum CPU Speed | 70 MIPS at 60 MHz |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Hộp | 28-pin SOIC (wide, 7.5 mm body) |
| Motor Control PWM (MCPWM) | Yes, high-speed PWM module |
| On-chip Op-Amps | Up to 4 |
| On-chip Comparators | Yes |
| ADC | 10/12-bit, multi-channel |
| Communication Interfaces | UART, SPI, I2C, ECAN |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial, 'I') |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (per JEDEC J-STD-020) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
| Đông trùng haogen | Yes |
| Instruction Set | 16-bit PIC24E with DSP extensions (MAC) |
Cấu hình chân PIC24EP128MC202T-I/SO
| Chân 1 | MCLR — Master Clear (reset) input, active-low; tie to VDD via 10 kohm for normal operation |
| Chân 2 | OSC1/RA0 — External crystal/clock input or digital I/O RA0 |
| Chân 3 | OSC2/RA1 — External crystal output or digital I/O RA1 |
| Chân 4 | AN0/RB0 — Analog input 0 / digital I/O RB0 |
| Chân 5 | AN1/RB1 — Analog input 1 / digital I/O RB1 |
| Chân 6 | AN2/RB2 — Analog input 2 / digital I/O RB2 |
| Chân 7 | AN3/RB3 — Analog input 3 / digital I/O RB3 |
| Chân 8 | VSS — Digital ground reference |
| Chân 9 | OC1/RB4 — Output Compare 1 / PWM output / digital I/O RB4 |
| Chân 10 | OC2/RB5 — Output Compare 2 / PWM output / digital I/O RB5 |
| Chân 11 | OC3/RB6 — Output Compare 3 / PWM output / digital I/O RB6 |
| Chân 12 | OC4/RB7 — Output Compare 4 / PWM output / digital I/O RB7 |
| Chân 13 | PWM1H/RA2 — MCPWM high-side output 1 / digital I/O RA2 |
| Chân 14 | PWM1L/RA3 — MCPWM low-side output 1 / digital I/O RA3 |
| Chân 15 | PWM2H/RA4 — MCPWM high-side output 2 / digital I/O RA4 |
| Chân 16 | PWM2L/RA5 — MCPWM low-side output 2 / digital I/O RA5 |
| Chân 17 | VSS — Digital ground reference |
| Chân 18 | VDD — Digital supply voltage, 3.0 V to 3.6 V |
| Chân 19 | AVSS — Analog ground reference |
| Chân 20 | AVDD — Analog supply voltage, must be filtered for clean ADC/op-amp operation |
| Chân 21 | SDA1/RG3 — I2C1 SDA / digital I/O |
| Chân 22 | SCL1/RG2 — I2C1 SCL / digital I/O |
| Chân 23 | U1TX/RC0 — UART1 TX / digital I/O RC0 |
| Chân 24 | U1RX/RC1 — UART1 RX / digital I/O RC1 |
| Chân 25 | FLTA1/RC2 — MCPWM Fault input A / digital I/O RC2 |
| Chân 26 | FLTB1/RC3 — MCPWM Fault input B / digital I/O RC3 |
| Chân 27 | INT0/RB8 — External interrupt 0 / digital I/O RB8 |
| Chân 28 | VDD — Digital supply voltage, 3.0 V to 3.6 V |
Ứng dụng tiêu biểu
PIC24EP128MC202T-I/SO phù hợp cho 6 Áp dụngs: BLDC / PMSM Motor Drive, Industrial Inverter and Servo Controller, Power Factor Correction (PFC) and LLC Converter, Robotic Sensor-Fusion and Motion Control, HVAC Fan and Pump Speed Controller, Solar Micro-Inverter and MPPT Controller.
BLDC / PMSM Motor Drive
The PIC24EP128MC202T-I/SO is a primary MCU choice for sensorless field-oriented control (FOC) of BLDC and PMSM motors in industrial drives. Its 70 MIPS 16-bit core executes FOC math (Clarke/Park transforms and inverse transforms) in real time, while the integrated Motor Control PWM (MCPWM) generates up to 1.04 ns resolution complementary PWMs with dead-band insertion and hardware fault shutdown. The four on-chip op-amps amplify low-side current-shunt signals without external amplifiers, and the high-speed comparators detect back-EMF zero-cross events in sensorless commutation. This integration collapses the typical analog front-end into the silicon, reducing BOM and PCB area in 24V/48V BLDC pumps, fans, and e-bike traction motors.
Được đề xuất
Industrial Inverter and Servo Controller
In three-phase industrial inverters and servo amplifiers, the PIC24EP128MC202T-I/SO serves as the main DSP-style controller running space-vector modulation (SVM) and torque-control loops at the 16 kHz PWM update rate. Its 16-bit DSP MAC completes inverse-Park and SVPWM calculations in under 5 us per switching cycle, leaving MIPS headroom for encoder feedback, CANopen comms, and protective fault handling. The 128 KB Flash holds full state-machine firmware plus a CAN bootloader for in-field updates, and the 16 KB SRAM accommodates two full SVPWM look-up tables. Industrial-grade -40C to +85C operation ensures reliable service in factory cabinets and outdoor pump stations.
Được đề xuất
Power Factor Correction (PFC) and LLC Converter
Digital PFC and resonant LLC power-conversion loops benefit from the PIC24EP128MC202T-I/SO's combination of DSP-class MAC throughput, 12-bit ADC, and high-resolution MCPWM. Average-current-mode PFC algorithms require tight proportional-integral control at 50-100 kHz switching frequency, which the 70 MIPS core handles while leaving margin for auxiliary housekeeping and communication. The integrated op-amps condition current-sense resistor signals with low offset, reducing bill-of-materials cost relative to a discrete analog approach. With 128 KB Flash, designers can combine PFC + LLC control loops plus PMBus telemetry into a single MCU for server, telecom, and industrial SMPS designs.
Được đề xuất
Robotic Sensor-Fusion and Motion Control
In mobile robotics and AGV platforms, the PIC24EP128MC202T-I/SO integrates sensor-fusion math (IMU filtering, encoder interpolation) and motor-control loops on one die. The DSP MAC performs quaternion updates and complementary filters at >1 kHz while simultaneously generating four PWM channels for Mecanum-wheel or differential-drive control. The four on-chip op-amps interface directly with analog Hall-effect current sensors and strain-gauge force/torque sensors, while the integrated comparators handle limit-switch debouncing and emergency-stop hardware paths. Its 28-SOIC package enables through-hole-friendly hand prototyping as well as high-density reflow production builds.
Được đề xuất
HVAC Fan and Pump Speed Controller
Variable-speed HVAC fans, chilled-water pumps, and ventilation blowers use the PIC24EP128MC202T-I/SO to execute PI-based closed-loop RPM control with soft-start profiles. The MCPWM provides complementary drive signals for the IGBT/MOSFET three-phase bridge, while on-chip op-amps read DC-bus current for overload protection. ECAN enables native BACnet or Modbus gateway integration without an external transceiver MCU. Industrial temperature grade and integrated analog simplify the FCC/UL safety approvals, since fewer external analog components means fewer failure modes to certify in commercial-building equipment.
Được đề xuất
Solar Micro-Inverter and MPPT Controller
Photovoltaic micro-inverters and MPPT charge controllers use the PIC24EP128MC202T-I/SO to execute perturb-and-observe or incremental-conductance MPPT at sub-100 ms update rates while running a full-bridge inverter control loop at 50-60 kHz PWM. Its 16-bit MAC multiplies grid-current samples by sine lookup tables for power-factor correction, and the integrated op-amps condition Hall-effect current sensors on the grid side. The 128 KB Flash stores both the inverter control code and a non-volatile fault-event log accessed over the UART commissioning port. With 16 KB SRAM, dual ADC sample buffers and the SVPWM lookup table all fit on-chip, reducing external memory and BOM cost.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24EP128MC202T-I/SO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC24EP128MC202T-E/SO | PIC24EP128MC202-I/SO | PIC24EP128GP202-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (wide) | 28-SOIC (wide) - same | 28-SOIC (wide) - same | 28-SOIC (wide) - same |
| Flash | 128 KB | 128 KB | 128 KB | 128 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB |
| Maximum Speed | 70 MIPS at 60 MHz | 70 MIPS at 60 MHz | 70 MIPS at 60 MHz | 70 MIPS at 60 MHz |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| Motor Control PWM | Yes (MCPWM with op-amps and comparators) | Yes | Yes | No (general-purpose variant) |
| On-chip Op-Amps | Up to 4 | Up to 4 | Up to 4 | 0 |
| Packaging Media | Tape & Reel | Tape & Reel | Tube | Tube |
Bảo phân biệt quan trọng
- Integrated Motor Control PWM (MCPWM) with hardware fault shutdown (vsPIC24EP128GP202-I/SO)
- Up to 4 on-chip operational amplifiers for current-shunt signal conditioning (vsPIC24EP128GP202-I/SO)
- Pin-to-pin compatibility with extended-temperature variant (vsPIC24EP128MC202T-E/SO)
Ghi chú thiết kế
Decouple the PIC24EP128MC202T-I/SO with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin and a parallel 10 uF bulk capacitor on the AVDD rail. The internal op-amps and ADC draw fast transient currents on AVDD; insufficient decoupling causes ADC noise floor to rise by 2-3 LSBs and corrupts current-shunt feedback in motor-control loops. Estimated: at 70 MIPS core activity the digital supply current spikes roughly 50 mA per clock edge; the 100 nF caps must have low ESL (X7R/C0NP) for effective high-frequency suppression. Tie AVDD and VDD together only through a ferrite bead or 10 ohm resistor to prevent digital switching noise coupling into the analog rail.
The 28-SOIC (wide body) package has a theta_JA of approximately 65 C/W in still air, so at full 70 MIPS the silicon's worst-case power dissipation of about 0.5 W (3.3 V x 150 mA) yields a junction temperature rise of only 32 C above 25 C ambient. Estimated: this calculation uses typical ICC numbers from the PIC24E datasheet; the high-current I/O loading and PWM toggle rate can push ICC up by another 30-40 mA, raising theta_JA effective by 20-25 C/W if the PCB copper pour is small. For -40C to +85C industrial operation, ensure at least 100 mm^2 of uninterrupted ground copper under the SOIC thermal pad-adjacent traces to dissipate heat. The PIC24EP128MC202T-E/SO extended-temperature variant is recommended if ambient exceeds 85 C.
Route the high-current MCPWM outputs (PWM1H/L and PWM2H/L) as short 0.5 mm-wide traces on the top layer with a continuous ground pour underneath, and keep the analog op-amp input traces (AN0-AN3) away from PWM edges by at least 3 mm or guarded with a ground trace. Estimated: a 1 ns PWM edge couples roughly 5-10 mV of crosstalk into adjacent analog traces 1 mm away; the 3 mm guard rule keeps coupling below the 12-bit ADC LSB of 800 uV. Place the external crystal within 5 mm of OSC1/OSC2 and surround it with a ground ring to suppress radiated EMI that could otherwise fail EN 55011/CE radiated-emissions testing on motor-drive boards.
Three pitfalls frequently trip new PIC24EP designers. First, do not leave the FLTA1/FLTB1 MCPWM fault pins floating; tie them high or low explicitly so a transient does not latch the PWM outputs off unintentionally. Second, the MCLR pin must rise through the 2.85 V VDD threshold within 100 ms of power-up or the device stays in reset; use a 10 kohm pull-up to VDD and a 100 nF capacitor to slow the rise time. Third, when using the internal op-amps, ensure the dedicated AVSS analog ground pin is tied to the same 0 V reference as VSS at a single point under the IC; multiple ground-return paths create ground-loop currents that add DC offset to current-shunt measurements.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. The 'I' temperature grade is industrial (-40C to +85C), not AEC-Q100 automotive qualified; automotive applications should evaluate the PIC24EP128MC202T-E/SO extended-grade variant. Lead-free (Pb-free) reflow compatible per JEDEC J-STD-020 MSL-3.
